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Add linux zpios support 

Linux kernel implementation of PIOS test app.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2010-08-26 11:58:00 -07:00
parent 9b020fd97a
commit 302ef1517e
33 changed files with 4702 additions and 1 deletions
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2
cmd/Makefile.am
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SUBDIRS = zfs zpool zpool_id zpool_layout zdb zinject ztest
SUBDIRS = zfs zpool zpool_id zpool_layout zdb zinject ztest zpios

1
cmd/zpios/.gitignore vendored Normal file
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/zpios

12
cmd/zpios/Makefile.am Normal file
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include $(top_srcdir)/config/Rules.am
DEFAULT_INCLUDES += \
-I${top_srcdir}/module/zpios/include
sbin_PROGRAMS = zpios
zpios_SOURCES = \
$(top_srcdir)/cmd/zpios/zpios_main.c \
$(top_srcdir)/cmd/zpios/zpios_util.c \
$(top_srcdir)/cmd/zpios/zpios.h

121
cmd/zpios/zpios.h Normal file
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/*****************************************************************************\
* ZPIOS is a heavily modified version of the original PIOS test code.
* It is designed to have the test code running in the Linux kernel
* against ZFS while still being flexibly controled from user space.
*
* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* LLNL-CODE-403049
*
* Original PIOS Test Code
* Copyright (C) 2004 Cluster File Systems, Inc.
* Written by Peter Braam <braam@clusterfs.com>
* Atul Vidwansa <atul@clusterfs.com>
* Milind Dumbare <milind@clusterfs.com>
*
* This file is part of ZFS on Linux.
* For details, see <http://github.com/behlendorf/zfs/>.
*
* ZPIOS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#ifndef _ZPIOS_H
#define _ZPIOS_H
#include <zpios-ctl.h>
#define VERSION_SIZE 64
/* Regular expressions */
#define REGEX_NUMBERS "^[0-9]*[0-9]$"
#define REGEX_NUMBERS_COMMA "^([0-9]+,)*[0-9]+$"
#define REGEX_SIZE "^[0-9][0-9]*[kmgt]$"
#define REGEX_SIZE_COMMA "^([0-9][0-9]*[kmgt]+,)*[0-9][0-9]*[kmgt]$"
/* Flags for low, high, incr */
#define FLAG_SET 0x01
#define FLAG_LOW 0x02
#define FLAG_HIGH 0x04
#define FLAG_INCR 0x08
#define TRUE 1
#define FALSE 0
#define KB (1024)
#define MB (KB * 1024)
#define GB (MB * 1024)
#define TB (GB * 1024)
#define KMGT_SIZE 16
/* All offsets, sizes and counts can be passed to the application in
* multiple ways.
* 1. a value (stored in val[0], val_count will be 1)
* 2. a comma separated list of values (stored in val[], using val_count)
* 3. a range and block sizes, low, high, factor (val_count must be 0)
*/
typedef struct pios_range_repeat {
uint64_t val[32]; /* Comma sep array, or low, high, inc */
uint64_t val_count; /* Num of values */
uint64_t val_low;
uint64_t val_high;
uint64_t val_inc_perc;
uint64_t next_val; /* Used for multiple runs in get_next() */
} range_repeat_t;
typedef struct cmd_args {
range_repeat_t T; /* Thread count */
range_repeat_t N; /* Region count */
range_repeat_t O; /* Offset count */
range_repeat_t C; /* Chunksize */
range_repeat_t S; /* Regionsize */
const char *pool; /* Pool */
const char *name; /* Name */
uint32_t flags; /* Flags */
uint32_t io_type; /* DMUIO only */
uint32_t verbose; /* Verbose */
uint32_t human_readable; /* Human readable output */
uint64_t regionnoise; /* Region noise */
uint64_t chunknoise; /* Chunk noise */
uint64_t thread_delay; /* Thread delay */
char pre[ZPIOS_PATH_SIZE]; /* Pre-exec hook */
char post[ZPIOS_PATH_SIZE]; /* Post-exec hook */
char log[ZPIOS_PATH_SIZE]; /* Requested log dir */
/* Control */
int current_id;
uint64_t current_T;
uint64_t current_N;
uint64_t current_C;
uint64_t current_S;
uint64_t current_O;
uint32_t rc;
} cmd_args_t;
int set_count(char *pattern1, char *pattern2, range_repeat_t *range,
char *optarg, uint32_t *flags, char *arg);
int set_lhi(char *pattern, range_repeat_t *range, char *optarg,
int flag, uint32_t *flag_thread, char *arg);
int set_noise(uint64_t *noise, char *optarg, char *arg);
int set_load_params(cmd_args_t *args, char *optarg);
int check_mutual_exclusive_command_lines(uint32_t flag, char *arg);
void print_stats_header(cmd_args_t *args);
void print_stats(cmd_args_t *args, zpios_cmd_t *cmd);
#endif /* _ZPIOS_H */

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cmd/zpios/zpios_main.c Normal file
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/*****************************************************************************\
* ZPIOS is a heavily modified version of the original PIOS test code.
* It is designed to have the test code running in the Linux kernel
* against ZFS while still being flexibly controled from user space.
*
* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* LLNL-CODE-403049
*
* Original PIOS Test Code
* Copyright (C) 2004 Cluster File Systems, Inc.
* Written by Peter Braam <braam@clusterfs.com>
* Atul Vidwansa <atul@clusterfs.com>
* Milind Dumbare <milind@clusterfs.com>
*
* This file is part of ZFS on Linux.
* For details, see <http://github.com/behlendorf/zfs/>.
*
* ZPIOS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <assert.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include "zpios.h"
static const char short_opt[] = "t:l:h:e:n:i:j:k:o:m:q:r:c:a:b:g:s:A:B:C:"
"L:p:M:xP:R:G:I:N:T:VzOfHv?";
static const struct option long_opt[] = {
{"threadcount", required_argument, 0, 't' },
{"threadcount_low", required_argument, 0, 'l' },
{"threadcount_high", required_argument, 0, 'h' },
{"threadcount_incr", required_argument, 0, 'e' },
{"regioncount", required_argument, 0, 'n' },
{"regioncount_low", required_argument, 0, 'i' },
{"regioncount_high", required_argument, 0, 'j' },
{"regioncount_incr", required_argument, 0, 'k' },
{"offset", required_argument, 0, 'o' },
{"offset_low", required_argument, 0, 'm' },
{"offset_high", required_argument, 0, 'q' },
{"offset_incr", required_argument, 0, 'r' },
{"chunksize", required_argument, 0, 'c' },
{"chunksize_low", required_argument, 0, 'a' },
{"chunksize_high", required_argument, 0, 'b' },
{"chunksize_incr", required_argument, 0, 'g' },
{"regionsize", required_argument, 0, 's' },
{"regionsize_low", required_argument, 0, 'A' },
{"regionsize_high", required_argument, 0, 'B' },
{"regionsize_incr", required_argument, 0, 'C' },
{"load", required_argument, 0, 'L' },
{"pool", required_argument, 0, 'p' },
{"name", required_argument, 0, 'M' },
{"cleanup", no_argument, 0, 'x' },
{"prerun", required_argument, 0, 'P' },
{"postrun", required_argument, 0, 'R' },
{"log", required_argument, 0, 'G' },
{"regionnoise", required_argument, 0, 'I' },
{"chunknoise", required_argument, 0, 'N' },
{"threaddelay", required_argument, 0, 'T' },
{"verify", no_argument, 0, 'V' },
{"zerocopy", no_argument, 0, 'z' },
{"nowait", no_argument, 0, 'O' },
{"noprefetch", no_argument, 0, 'f' },
{"human-readable", no_argument, 0, 'H' },
{"verbose", no_argument, 0, 'v' },
{"help", no_argument, 0, '?' },
{ 0, 0, 0, 0 },
};
static int zpiosctl_fd; /* Control file descriptor */
static char zpios_version[VERSION_SIZE]; /* Kernel version string */
static char *zpios_buffer = NULL; /* Scratch space area */
static int zpios_buffer_size = 0; /* Scratch space size */
static int
usage(void)
{
fprintf(stderr, "Usage: zpios\n");
fprintf(stderr,
" --threadcount -t =values\n"
" --threadcount_low -l =value\n"
" --threadcount_high -h =value\n"
" --threadcount_incr -e =value\n"
" --regioncount -n =values\n"
" --regioncount_low -i =value\n"
" --regioncount_high -j =value\n"
" --regioncount_incr -k =value\n"
" --offset -o =values\n"
" --offset_low -m =value\n"
" --offset_high -q =value\n"
" --offset_incr -r =value\n"
" --chunksize -c =values\n"
" --chunksize_low -a =value\n"
" --chunksize_high -b =value\n"
" --chunksize_incr -g =value\n"
" --regionsize -s =values\n"
" --regionsize_low -A =value\n"
" --regionsize_high -B =value\n"
" --regionsize_incr -C =value\n"
" --load -L =dmuio|ssf|fpp\n"
" --pool -p =pool name\n"
" --name -M =test name\n"
" --cleanup -x\n"
" --prerun -P =pre-command\n"
" --postrun -R =post-command\n"
" --log -G =log directory\n"
" --regionnoise -I =shift\n"
" --chunknoise -N =bytes\n"
" --threaddelay -T =jiffies\n"
" --verify -V\n"
" --zerocopy -z\n"
" --nowait -O\n"
" --noprefetch -f\n"
" --human-readable -H\n"
" --verbose -v =increase verbosity\n"
" --help -? =this help\n\n");
return 0;
}
static void args_fini(cmd_args_t *args)
{
assert(args != NULL);
free(args);
}
static cmd_args_t *
args_init(int argc, char **argv)
{
cmd_args_t *args;
uint32_t fl_th = 0;
uint32_t fl_rc = 0;
uint32_t fl_of = 0;
uint32_t fl_rs = 0;
uint32_t fl_cs = 0;
int c, rc;
if (argc == 1) {
usage();
return (cmd_args_t *)NULL;
}
/* Configure and populate the args structures */
args = malloc(sizeof(*args));
if (args == NULL)
return NULL;
memset(args, 0, sizeof(*args));
while ((c=getopt_long(argc, argv, short_opt, long_opt, NULL)) != -1) {
rc = 0;
switch (c) {
case 't': /* --thread count */
rc = set_count(REGEX_NUMBERS, REGEX_NUMBERS_COMMA,
&args->T, optarg, &fl_th, "threadcount");
break;
case 'l': /* --threadcount_low */
rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
FLAG_LOW, &fl_th, "threadcount_low");
break;
case 'h': /* --threadcount_high */
rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
FLAG_HIGH, &fl_th, "threadcount_high");
break;
case 'e': /* --threadcount_inc */
rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
FLAG_INCR, &fl_th, "threadcount_incr");
break;
case 'n': /* --regioncount */
rc = set_count(REGEX_NUMBERS, REGEX_NUMBERS_COMMA,
&args->N, optarg, &fl_rc, "regioncount");
break;
case 'i': /* --regioncount_low */
rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
FLAG_LOW, &fl_rc, "regioncount_low");
break;
case 'j': /* --regioncount_high */
rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
FLAG_HIGH, &fl_rc, "regioncount_high");
break;
case 'k': /* --regioncount_inc */
rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
FLAG_INCR, &fl_rc, "regioncount_incr");
break;
case 'o': /* --offset */
rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
&args->O, optarg, &fl_of, "offset");
break;
case 'm': /* --offset_low */
rc = set_lhi(REGEX_SIZE, &args->O, optarg,
FLAG_LOW, &fl_of, "offset_low");
break;
case 'q': /* --offset_high */
rc = set_lhi(REGEX_SIZE, &args->O, optarg,
FLAG_HIGH, &fl_of, "offset_high");
break;
case 'r': /* --offset_inc */
rc = set_lhi(REGEX_NUMBERS, &args->O, optarg,
FLAG_INCR, &fl_of, "offset_incr");
break;
case 'c': /* --chunksize */
rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
&args->C, optarg, &fl_cs, "chunksize");
break;
case 'a': /* --chunksize_low */
rc = set_lhi(REGEX_SIZE, &args->C, optarg,
FLAG_LOW, &fl_cs, "chunksize_low");
break;
case 'b': /* --chunksize_high */
rc = set_lhi(REGEX_SIZE, &args->C, optarg,
FLAG_HIGH, &fl_cs, "chunksize_high");
break;
case 'g': /* --chunksize_inc */
rc = set_lhi(REGEX_NUMBERS, &args->C, optarg,
FLAG_INCR, &fl_cs, "chunksize_incr");
break;
case 's': /* --regionsize */
rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
&args->S, optarg, &fl_rs, "regionsize");
break;
case 'A': /* --regionsize_low */
rc = set_lhi(REGEX_SIZE, &args->S, optarg,
FLAG_LOW, &fl_rs, "regionsize_low");
break;
case 'B': /* --regionsize_high */
rc = set_lhi(REGEX_SIZE, &args->S, optarg,
FLAG_HIGH, &fl_rs, "regionsize_high");
break;
case 'C': /* --regionsize_inc */
rc = set_lhi(REGEX_NUMBERS, &args->S, optarg,
FLAG_INCR, &fl_rs, "regionsize_incr");
break;
case 'L': /* --load */
rc = set_load_params(args, optarg);
break;
case 'p': /* --pool */
args->pool = optarg;
break;
case 'M':
args->name = optarg;
break;
case 'x': /* --cleanup */
args->flags |= DMU_REMOVE;
break;
case 'P': /* --prerun */
strncpy(args->pre, optarg, ZPIOS_PATH_SIZE - 1);
break;
case 'R': /* --postrun */
strncpy(args->post, optarg, ZPIOS_PATH_SIZE - 1);
break;
case 'G': /* --log */
strncpy(args->log, optarg, ZPIOS_PATH_SIZE - 1);
break;
case 'I': /* --regionnoise */
rc = set_noise(&args->regionnoise, optarg, "regionnoise");
break;
case 'N': /* --chunknoise */
rc = set_noise(&args->chunknoise, optarg, "chunknoise");
break;
case 'T': /* --threaddelay */
rc = set_noise(&args->thread_delay, optarg, "threaddelay");
break;
case 'V': /* --verify */
args->flags |= DMU_VERIFY;
break;
case 'z': /* --zerocopy */
args->flags |= (DMU_WRITE_ZC | DMU_READ_ZC);
break;
case 'O': /* --nowait */
args->flags |= DMU_WRITE_NOWAIT;
break;
case 'f': /* --noprefetch */
args->flags |= DMU_READ_NOPF;
break;
case 'H': /* --human-readable */
args->human_readable = 1;
break;
case 'v': /* --verbose */
args->verbose++;
break;
case '?':
rc = 1;
break;
default:
fprintf(stderr,"Unknown option '%s'\n",argv[optind-1]);
rc = EINVAL;
break;
}
if (rc) {
usage();
args_fini(args);
return NULL;
}
}
check_mutual_exclusive_command_lines(fl_th, "threadcount");
check_mutual_exclusive_command_lines(fl_rc, "regioncount");
check_mutual_exclusive_command_lines(fl_of, "offset");
check_mutual_exclusive_command_lines(fl_rs, "regionsize");
check_mutual_exclusive_command_lines(fl_cs, "chunksize");
if (args->pool == NULL) {
fprintf(stderr, "Error: Pool not specificed\n");
usage();
args_fini(args);
return NULL;
}
if ((args->flags & (DMU_WRITE_ZC | DMU_READ_ZC)) &&
(args->flags & DMU_VERIFY)) {
fprintf(stderr, "Error, --zerocopy incompatible --verify, "
"used for performance analysis only\n");
usage();
args_fini(args);
return NULL;
}
return args;
}
static int
dev_clear(void)
{
zpios_cfg_t cfg;
int rc;
memset(&cfg, 0, sizeof(cfg));
cfg.cfg_magic = ZPIOS_CFG_MAGIC;
cfg.cfg_cmd = ZPIOS_CFG_BUFFER_CLEAR;
cfg.cfg_arg1 = 0;
rc = ioctl(zpiosctl_fd, ZPIOS_CFG, &cfg);
if (rc)
fprintf(stderr, "Ioctl() error %lu / %d: %d\n",
(unsigned long) ZPIOS_CFG, cfg.cfg_cmd, errno);
lseek(zpiosctl_fd, 0, SEEK_SET);
return rc;
}
/* Passing a size of zero simply results in querying the current size */
static int
dev_size(int size)
{
zpios_cfg_t cfg;
int rc;
memset(&cfg, 0, sizeof(cfg));
cfg.cfg_magic = ZPIOS_CFG_MAGIC;
cfg.cfg_cmd = ZPIOS_CFG_BUFFER_SIZE;
cfg.cfg_arg1 = size;
rc = ioctl(zpiosctl_fd, ZPIOS_CFG, &cfg);
if (rc) {
fprintf(stderr, "Ioctl() error %lu / %d: %d\n",
(unsigned long) ZPIOS_CFG, cfg.cfg_cmd, errno);
return rc;
}
return cfg.cfg_rc1;
}
static void
dev_fini(void)
{
if (zpios_buffer)
free(zpios_buffer);
if (zpiosctl_fd != -1) {
if (close(zpiosctl_fd) == -1) {
fprintf(stderr, "Unable to close %s: %d\n",
ZPIOS_DEV, errno);
}
}
}
static int
dev_init(void)
{
int rc;
zpiosctl_fd = open(ZPIOS_DEV, O_RDONLY);
if (zpiosctl_fd == -1) {
fprintf(stderr, "Unable to open %s: %d\n"
"Is the zpios module loaded?\n", ZPIOS_DEV, errno);
rc = errno;
goto error;
}
if ((rc = dev_clear()))
goto error;
if ((rc = dev_size(0)) < 0)
goto error;
zpios_buffer_size = rc;
zpios_buffer = (char *)malloc(zpios_buffer_size);
if (zpios_buffer == NULL) {
rc = ENOMEM;
goto error;
}
memset(zpios_buffer, 0, zpios_buffer_size);
return 0;
error:
if (zpiosctl_fd != -1) {
if (close(zpiosctl_fd) == -1) {
fprintf(stderr, "Unable to close %s: %d\n",
ZPIOS_DEV, errno);
}
}
return rc;
}
static int
get_next(uint64_t *val, range_repeat_t *range)
{
/* if low, incr, high is given */
if (range->val_count == 0) {
*val = (range->val_low) +
(range->val_low * range->next_val / 100);
if (*val > range->val_high)
return 0; /* No more values, limit exceeded */
if (!range->next_val)
range->next_val = range->val_inc_perc;
else
range->next_val = range->next_val+range->val_inc_perc;
return 1; /* more values to come */
/* if only one val is given */
} else if (range->val_count == 1) {
if (range->next_val)
return 0; /* No more values, we only have one */
*val = range->val[0];
range->next_val = 1;
return 1; /* more values to come */
/* if comma separated values are given */
} else if (range->val_count > 1) {
if (range->next_val > range->val_count - 1)
return 0; /* No more values, limit exceeded */
*val = range->val[range->next_val];
range->next_val++;
return 1; /* more values to come */
}
return 0;
}
static int
run_one(cmd_args_t *args, uint32_t id, uint32_t T, uint32_t N,
uint64_t C, uint64_t S, uint64_t O)
{
zpios_cmd_t *cmd;
int rc, rc2, cmd_size;
dev_clear();
cmd_size = sizeof(zpios_cmd_t) + ((T + N + 1) * sizeof(zpios_stats_t));
cmd = (zpios_cmd_t *)malloc(cmd_size);
if (cmd == NULL)
return ENOMEM;
memset(cmd, 0, cmd_size);
cmd->cmd_magic = ZPIOS_CMD_MAGIC;
strncpy(cmd->cmd_pool, args->pool, ZPIOS_NAME_SIZE - 1);
strncpy(cmd->cmd_pre, args->pre, ZPIOS_PATH_SIZE - 1);
strncpy(cmd->cmd_post, args->post, ZPIOS_PATH_SIZE - 1);
strncpy(cmd->cmd_log, args->log, ZPIOS_PATH_SIZE - 1);
cmd->cmd_id = id;
cmd->cmd_chunk_size = C;
cmd->cmd_thread_count = T;
cmd->cmd_region_count = N;
cmd->cmd_region_size = S;
cmd->cmd_offset = O;
cmd->cmd_region_noise = args->regionnoise;
cmd->cmd_chunk_noise = args->chunknoise;
cmd->cmd_thread_delay = args->thread_delay;
cmd->cmd_flags = args->flags;
cmd->cmd_data_size = (T + N + 1) * sizeof(zpios_stats_t);
rc = ioctl(zpiosctl_fd, ZPIOS_CMD, cmd);
if (rc)
args->rc = errno;
print_stats(args, cmd);
if (args->verbose) {
rc2 = read(zpiosctl_fd, zpios_buffer, zpios_buffer_size - 1);
if (rc2 < 0) {
fprintf(stdout, "Error reading results: %d\n", rc2);
} else if ((rc2 > 0) && (strlen(zpios_buffer) > 0)) {
fprintf(stdout, "\n%s\n", zpios_buffer);
fflush(stdout);
}
}
free(cmd);
return rc;
}
static int
run_offsets(cmd_args_t *args)
{
int rc = 0;
while (rc == 0 && get_next(&args->current_O, &args->O)) {
rc = run_one(args, args->current_id,
args->current_T, args->current_N, args->current_C,
args->current_S, args->current_O);
args->current_id++;
}
args->O.next_val = 0;
return rc;
}
static int
run_region_counts(cmd_args_t *args)
{
int rc = 0;
while (rc == 0 && get_next((uint64_t *)&args->current_N, &args->N))
rc = run_offsets(args);
args->N.next_val = 0;
return rc;
}
static int
run_region_sizes(cmd_args_t *args)
{
int rc = 0;
while (rc == 0 && get_next(&args->current_S, &args->S)) {
if (args->current_S < args->current_C) {
fprintf(stderr, "Error: in any run chunksize can "
"not be smaller than regionsize.\n");
return EINVAL;
}
rc = run_region_counts(args);
}
args->S.next_val = 0;
return rc;
}
static int
run_chunk_sizes(cmd_args_t *args)
{
int rc = 0;
while (rc == 0 && get_next(&args->current_C, &args->C)) {
rc = run_region_sizes(args);
}
args->C.next_val = 0;
return rc;
}
static int
run_thread_counts(cmd_args_t *args)
{
int rc = 0;
while (rc == 0 && get_next((uint64_t *)&args->current_T, &args->T))
rc = run_chunk_sizes(args);
return rc;
}
int
main(int argc, char **argv)
{
cmd_args_t *args;
int rc = 0;
/* Argument init and parsing */
if ((args = args_init(argc, argv)) == NULL) {
rc = -1;
goto out;
}
/* Device specific init */
if ((rc = dev_init()))
goto out;
/* Generic kernel version string */
if (args->verbose)
fprintf(stdout, "%s", zpios_version);
print_stats_header(args);
rc = run_thread_counts(args);
out:
if (args != NULL)
args_fini(args);
dev_fini();
return rc;
}

454
cmd/zpios/zpios_util.c Normal file
View File

@ -0,0 +1,454 @@
/*****************************************************************************\
* ZPIOS is a heavily modified version of the original PIOS test code.
* It is designed to have the test code running in the Linux kernel
* against ZFS while still being flexibly controled from user space.
*
* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* LLNL-CODE-403049
*
* Original PIOS Test Code
* Copyright (C) 2004 Cluster File Systems, Inc.
* Written by Peter Braam <braam@clusterfs.com>
* Atul Vidwansa <atul@clusterfs.com>
* Milind Dumbare <milind@clusterfs.com>
*
* This file is part of ZFS on Linux.
* For details, see <http://github.com/behlendorf/zfs/>.
*
* ZPIOS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <regex.h>
#include "zpios.h"
/* extracts an unsigned int (64) and K,M,G,T from the string */
/* and returns a 64 bit value converted to the proper units */
static int
kmgt_to_uint64(const char *str, uint64_t *val)
{
char *endptr;
int rc = 0;
*val = strtoll(str, &endptr, 0);
if ((str == endptr) && (*val == 0))
return EINVAL;
switch (endptr[0]) {
case 'k': case 'K':
*val = (*val) << 10;
break;
case 'm': case 'M':
*val = (*val) << 20;
break;
case 'g': case 'G':
*val = (*val) << 30;
break;
case 't': case 'T':
*val = (*val) << 40;
break;
case '\0':
break;
default:
rc = EINVAL;
}
return rc;
}
static char *
uint64_to_kmgt(char *str, uint64_t val)
{
char postfix[] = "kmgt";
int i = -1;
while ((val >= KB) && (i < 4)) {
val = (val >> 10);
i++;
}
if (i >= 4)
(void)snprintf(str, KMGT_SIZE-1, "inf");
else
(void)snprintf(str, KMGT_SIZE-1, "%lu%c", (unsigned long)val,
(i == -1) ? '\0' : postfix[i]);
return str;
}
static char *
kmgt_per_sec(char *str, uint64_t v, double t)
{
char postfix[] = "kmgt";
double val = ((double)v) / t;
int i = -1;
while ((val >= (double)KB) && (i < 4)) {
val /= (double)KB;
i++;
}
if (i >= 4)
(void)snprintf(str, KMGT_SIZE-1, "inf");
else
(void)snprintf(str, KMGT_SIZE-1, "%.2f%c", val,
(i == -1) ? '\0' : postfix[i]);
return str;
}
static char *
print_flags(char *str, uint32_t flags)
{
str[0] = (flags & DMU_WRITE) ? 'w' : '-';
str[1] = (flags & DMU_READ) ? 'r' : '-';
str[2] = (flags & DMU_VERIFY) ? 'v' : '-';
str[3] = (flags & DMU_REMOVE) ? 'c' : '-';
str[4] = (flags & DMU_FPP) ? 'p' : 's';
str[5] = (flags & (DMU_WRITE_ZC | DMU_READ_ZC)) ? 'z' : '-';
str[6] = (flags & DMU_WRITE_NOWAIT) ? 'O' : '-';
str[7] = '\0';
return str;
}
static int
regex_match(const char *string, char *pattern)
{
regex_t re = { 0 };
int rc;
rc = regcomp(&re, pattern, REG_EXTENDED | REG_NOSUB | REG_ICASE);
if (rc) {
fprintf(stderr, "Error: Couldn't do regcomp, %d\n", rc);
return rc;
}
rc = regexec(&re, string, (size_t) 0, NULL, 0);
regfree(&re);
return rc;
}
/* fills the pios_range_repeat structure of comma separated values */
static int
split_string(const char *optarg, char *pattern, range_repeat_t *range)
{
const char comma[] = ",";
char *cp, *token[32];
int rc, i = 0;
if ((rc = regex_match(optarg, pattern)))
return rc;
cp = strdup(optarg);
if (cp == NULL)
return ENOMEM;
do {
/* STRTOK(3) Each subsequent call, with a null pointer as the
* value of the * first argument, starts searching from the
* saved pointer and behaves as described above.
*/
token[i] = strtok(cp, comma);
cp = NULL;
} while ((token[i++] != NULL) && (i < 32));
range->val_count = i - 1;
for (i = 0; i < range->val_count; i++)
kmgt_to_uint64(token[i], &range->val[i]);
free(cp);
return 0;
}
int
set_count(char *pattern1, char *pattern2, range_repeat_t *range,
char *optarg, uint32_t *flags, char *arg)
{
if (flags)
*flags |= FLAG_SET;
range->next_val = 0;
if (regex_match(optarg, pattern1) == 0) {
kmgt_to_uint64(optarg, &range->val[0]);
range->val_count = 1;
} else if (split_string(optarg, pattern2, range) < 0) {
fprintf(stderr, "Error: Incorrect pattern for %s, '%s'\n",
arg, optarg);
return EINVAL;
}
return 0;
}
/* validates the value with regular expression and sets low, high, incr
* according to value at which flag will be set. Sets the flag after. */
int
set_lhi(char *pattern, range_repeat_t *range, char *optarg,
int flag, uint32_t *flag_thread, char *arg)
{
int rc;
if ((rc = regex_match(optarg, pattern))) {
fprintf(stderr, "Error: Wrong pattern in %s, '%s'\n",
arg, optarg);
return rc;
}
switch (flag) {
case FLAG_LOW:
kmgt_to_uint64(optarg, &range->val_low);
break;
case FLAG_HIGH:
kmgt_to_uint64(optarg, &range->val_high);
break;
case FLAG_INCR:
kmgt_to_uint64(optarg, &range->val_inc_perc);
break;
default:
assert(0);
}
*flag_thread |= flag;
return 0;
}
int
set_noise(uint64_t *noise, char *optarg, char *arg)
{
if (regex_match(optarg, REGEX_NUMBERS) == 0) {
kmgt_to_uint64(optarg, noise);
} else {
fprintf(stderr, "Error: Incorrect pattern for %s\n", arg);
return EINVAL;
}
return 0;
}
int
set_load_params(cmd_args_t *args, char *optarg)
{
char *param, *search, comma[] = ",";
int rc = 0;
search = strdup(optarg);
if (search == NULL)
return ENOMEM;
while ((param = strtok(search, comma)) != NULL) {
search = NULL;
if (strcmp("fpp", param) == 0) {
args->flags |= DMU_FPP; /* File Per Process/Thread */
} else if (strcmp("ssf", param) == 0) {
args->flags &= ~DMU_FPP; /* Single Shared File */
} else if (strcmp("dmuio", param) == 0) {
args->io_type |= DMU_IO;
args->flags |= (DMU_WRITE | DMU_READ);
} else {
fprintf(stderr, "Invalid load: %s\n", param);
rc = EINVAL;
}
}
free(search);
return rc;
}
/* checks the low, high, increment values against the single value for
* mutual exclusion, for e.g threadcount is mutually exclusive to
* threadcount_low, ..._high, ..._incr */
int
check_mutual_exclusive_command_lines(uint32_t flag, char *arg)
{
if ((flag & FLAG_SET) && (flag & (FLAG_LOW | FLAG_HIGH | FLAG_INCR))) {
fprintf(stderr, "Error: --%s can not be given with --%s_low, "
"--%s_high or --%s_incr.\n", arg, arg, arg, arg);
return 0;
}
if ((flag & (FLAG_LOW | FLAG_HIGH | FLAG_INCR)) && !(flag & FLAG_SET)){
if (flag != (FLAG_LOW | FLAG_HIGH | FLAG_INCR)) {
fprintf(stderr, "Error: One or more values missing "
"from --%s_low, --%s_high, --%s_incr.\n",
arg, arg, arg);
return 0;
}
}
return 1;
}
void
print_stats_header(cmd_args_t *args)
{
if (args->verbose) {
printf("status name id\tth-cnt\trg-cnt\trg-sz\t"
"ch-sz\toffset\trg-no\tch-no\tth-dly\tflags\ttime\t"
"cr-time\trm-time\twr-time\trd-time\twr-data\twr-ch\t"
"wr-bw\trd-data\trd-ch\trd-bw\n");
printf("------------------------------------------------"
"------------------------------------------------"
"------------------------------------------------"
"----------------------------------------------\n");
} else {
printf("status name id\t"
"wr-data\twr-ch\twr-bw\t"
"rd-data\trd-ch\trd-bw\n");
printf("-----------------------------------------"
"--------------------------------------\n");
}
}
static void
print_stats_human_readable(cmd_args_t *args, zpios_cmd_t *cmd)
{
zpios_stats_t *summary_stats;
double t_time, wr_time, rd_time, cr_time, rm_time;
char str[KMGT_SIZE];
if (args->rc)
printf("FAIL: %3d ", args->rc);
else
printf("PASS: ");
printf("%-12s", args->name ? args->name : ZPIOS_NAME);
printf("%2u\t", cmd->cmd_id);
if (args->verbose) {
printf("%u\t", cmd->cmd_thread_count);
printf("%u\t", cmd->cmd_region_count);
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_region_size));
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_chunk_size));
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_offset));
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_region_noise));
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_chunk_noise));
printf("%s\t", uint64_to_kmgt(str, cmd->cmd_thread_delay));
printf("%s\t", print_flags(str, cmd->cmd_flags));
}
if (args->rc) {
printf("\n");
return;
}
summary_stats = (zpios_stats_t *)cmd->cmd_data_str;
t_time = zpios_timespec_to_double(summary_stats->total_time.delta);
wr_time = zpios_timespec_to_double(summary_stats->wr_time.delta);
rd_time = zpios_timespec_to_double(summary_stats->rd_time.delta);
cr_time = zpios_timespec_to_double(summary_stats->cr_time.delta);
rm_time = zpios_timespec_to_double(summary_stats->rm_time.delta);
if (args->verbose) {
printf("%.2f\t", t_time);
printf("%.3f\t", cr_time);
printf("%.3f\t", rm_time);
printf("%.2f\t", wr_time);
printf("%.2f\t", rd_time);
}
printf("%s\t", uint64_to_kmgt(str, summary_stats->wr_data));
printf("%s\t", uint64_to_kmgt(str, summary_stats->wr_chunks));
printf("%s\t", kmgt_per_sec(str, summary_stats->wr_data, wr_time));
printf("%s\t", uint64_to_kmgt(str, summary_stats->rd_data));
printf("%s\t", uint64_to_kmgt(str, summary_stats->rd_chunks));
printf("%s\n", kmgt_per_sec(str, summary_stats->rd_data, rd_time));
fflush(stdout);
}
static void
print_stats_table(cmd_args_t *args, zpios_cmd_t *cmd)
{
zpios_stats_t *summary_stats;
double wr_time, rd_time;
if (args->rc)
printf("FAIL: %3d ", args->rc);
else
printf("PASS: ");
printf("%-12s", args->name ? args->name : ZPIOS_NAME);
printf("%2u\t", cmd->cmd_id);
if (args->verbose) {
printf("%u\t", cmd->cmd_thread_count);
printf("%u\t", cmd->cmd_region_count);
printf("%llu\t", (long long unsigned)cmd->cmd_region_size);
printf("%llu\t", (long long unsigned)cmd->cmd_chunk_size);
printf("%llu\t", (long long unsigned)cmd->cmd_offset);
printf("%u\t", cmd->cmd_region_noise);
printf("%u\t", cmd->cmd_chunk_noise);
printf("%u\t", cmd->cmd_thread_delay);
printf("0x%x\t", cmd->cmd_flags);
}
if (args->rc) {
printf("\n");
return;
}
summary_stats = (zpios_stats_t *)cmd->cmd_data_str;
wr_time = zpios_timespec_to_double(summary_stats->wr_time.delta);
rd_time = zpios_timespec_to_double(summary_stats->rd_time.delta);
if (args->verbose) {
printf("%ld.%02ld\t",
(long)summary_stats->total_time.delta.ts_sec,
(long)summary_stats->total_time.delta.ts_nsec);
printf("%ld.%02ld\t",
(long)summary_stats->cr_time.delta.ts_sec,
(long)summary_stats->cr_time.delta.ts_nsec);
printf("%ld.%02ld\t",
(long)summary_stats->rm_time.delta.ts_sec,
(long)summary_stats->rm_time.delta.ts_nsec);
printf("%ld.%02ld\t",
(long)summary_stats->wr_time.delta.ts_sec,
(long)summary_stats->wr_time.delta.ts_nsec);
printf("%ld.%02ld\t",
(long)summary_stats->rd_time.delta.ts_sec,
(long)summary_stats->rd_time.delta.ts_nsec);
}
printf("%lld\t", (long long unsigned)summary_stats->wr_data);
printf("%lld\t", (long long unsigned)summary_stats->wr_chunks);
printf("%.4f\t", (double)summary_stats->wr_data / wr_time);
printf("%lld\t", (long long unsigned)summary_stats->rd_data);
printf("%lld\t", (long long unsigned)summary_stats->rd_chunks);
printf("%.4f\n", (double)summary_stats->rd_data / rd_time);
fflush(stdout);
}
void
print_stats(cmd_args_t *args, zpios_cmd_t *cmd)
{
if (args->human_readable)
print_stats_human_readable(args, cmd);
else
print_stats_table(args, cmd);
}

9
config/zfs-build.m4
View File

@ -53,6 +53,8 @@ SCRIPTDIR=${SCRIPTDIR}
ETCDIR=\${TOPDIR}/etc
DEVDIR=\${TOPDIR}/dev
ZPOOLDIR=\${TOPDIR}/scripts/zpool-config
ZPIOSDIR=\${TOPDIR}/scripts/zpios-test
ZPIOSPROFILEDIR=\${TOPDIR}/scripts/zpios-profile
ZDB=\${CMDDIR}/zdb/zdb
ZFS=\${CMDDIR}/zfs/zfs
@ -60,10 +62,13 @@ ZINJECT=\${CMDDIR}/zinject/zinject
ZPOOL=\${CMDDIR}/zpool/zpool
ZPOOL_ID=\${CMDDIR}/zpool_id/zpool_id
ZTEST=\${CMDDIR}/ztest/ztest
ZPIOS=\${CMDDIR}/zpios/zpios
COMMON_SH=\${SCRIPTDIR}/common.sh
ZFS_SH=\${SCRIPTDIR}/zfs.sh
ZPOOL_CREATE_SH=\${SCRIPTDIR}/zpool-create.sh
ZPIOS_SH=\${SCRIPTDIR}/zpios.sh
ZPIOS_SURVEY_SH=\${SCRIPTDIR}/zpios-survey.sh
INTREE=1
LDMOD=/sbin/insmod
@ -85,6 +90,10 @@ ZFS_MODULES=( \\
\${MODDIR}/zfs/zfs.ko \\
)
ZPIOS_MODULES=( \\
\${MODDIR}/zpios/zpios.ko \\
)
MODULES=( \\
\${KERNEL_MODULES[[*]]} \\
\${SPL_MODULES[[*]]} \\

2
configure.ac
View File

@ -81,12 +81,14 @@ AC_CONFIG_FILES([
cmd/zpool_id/Makefile
cmd/zpool_layout/Makefile
cmd/ztest/Makefile
cmd/zpios/Makefile
module/Makefile
module/avl/Makefile
module/nvpair/Makefile
module/unicode/Makefile
module/zcommon/Makefile
module/zfs/Makefile
module/zpios/Makefile
scripts/Makefile
scripts/common.sh
zfs.spec

1
module/Makefile.in
View File

@ -3,6 +3,7 @@ subdir-m += nvpair
subdir-m += unicode
subdir-m += zcommon
subdir-m += zfs
subdir-m += zpios
modules:
# Make the exported SPL symbols available to these modules.

11
module/zpios/Makefile.in Normal file
View File

@ -0,0 +1,11 @@
MODULE := zpios
EXTRA_CFLAGS = -I@MODDIR@/zfs/include
EXTRA_CFLAGS += -I@MODDIR@/zcommon/include
EXTRA_CFLAGS += -I@MODDIR@/avl/include
EXTRA_CFLAGS += -I@MODDIR@/nvpair/include
EXTRA_CFLAGS += -I@MODDIR@/unicode/include
EXTRA_CFLAGS += -I@MODDIR@/zpios/include
EXTRA_CFLAGS += @KERNELCPPFLAGS@
obj-m := ${MODULE}.o

198
module/zpios/include/zpios-ctl.h Normal file
View File

@ -0,0 +1,198 @@
/*****************************************************************************\
* ZPIOS is a heavily modified version of the original PIOS test code.
* It is designed to have the test code running in the Linux kernel
* against ZFS while still being flexibly controled from user space.
*
* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* LLNL-CODE-403049
*
* Original PIOS Test Code
* Copyright (C) 2004 Cluster File Systems, Inc.
* Written by Peter Braam <braam@clusterfs.com>
* Atul Vidwansa <atul@clusterfs.com>
* Milind Dumbare <milind@clusterfs.com>
*
* This file is part of ZFS on Linux.
* For details, see <http://github.com/behlendorf/zfs/>.
*
* ZPIOS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#ifndef _ZPIOS_CTL_H
#define _ZPIOS_CTL_H
/* Contains shared definitions which both the userspace
* and kernelspace portions of zpios must agree on.
*/
#ifndef _KERNEL
#include <stdint.h>
#endif
#define ZPIOS_MAJOR 232 /* XXX - Arbitrary */
#define ZPIOS_MINORS 1
#define ZPIOS_NAME "zpios"
#define ZPIOS_DEV "/dev/zpios"
#define DMU_IO 0x01
#define DMU_WRITE 0x0001
#define DMU_READ 0x0002
#define DMU_VERIFY 0x0004
#define DMU_REMOVE 0x0008
#define DMU_FPP 0x0010
#define DMU_WRITE_ZC 0x0020 /* Incompatible w/DMU_VERIFY */
#define DMU_READ_ZC 0x0040 /* Incompatible w/DMU_VERIFY */
#define DMU_WRITE_NOWAIT 0x0080
#define DMU_READ_NOPF 0x0100
#define ZPIOS_NAME_SIZE 16
#define ZPIOS_PATH_SIZE 128
#define PHASE_PRE_RUN "pre-run"
#define PHASE_PRE_CREATE "pre-create"
#define PHASE_PRE_WRITE "pre-write"
#define PHASE_PRE_READ "pre-read"
#define PHASE_PRE_REMOVE "pre-remove"
#define PHASE_POST_RUN "post-run"
#define PHASE_POST_CREATE "post-create"
#define PHASE_POST_WRITE "post-write"
#define PHASE_POST_READ "post-read"
#define PHASE_POST_REMOVE "post-remove"
#define ZPIOS_CFG_MAGIC 0x87237190U
typedef struct zpios_cfg {
uint32_t cfg_magic; /* Unique magic */
int32_t cfg_cmd; /* Config command */
int32_t cfg_arg1; /* Config command arg 1 */
int32_t cfg_rc1; /* Config response 1 */
} zpios_cfg_t;
typedef struct zpios_timespec {
uint32_t ts_sec;
uint32_t ts_nsec;
} zpios_timespec_t;
typedef struct zpios_time {
zpios_timespec_t start;
zpios_timespec_t stop;
zpios_timespec_t delta;
} zpios_time_t;
typedef struct zpios_stats {
zpios_time_t total_time;
zpios_time_t cr_time;
zpios_time_t rm_time;
zpios_time_t wr_time;
zpios_time_t rd_time;
uint64_t wr_data;
uint64_t wr_chunks;
uint64_t rd_data;
uint64_t rd_chunks;
} zpios_stats_t;
#define ZPIOS_CMD_MAGIC 0x49715385U
typedef struct zpios_cmd {
uint32_t cmd_magic; /* Unique magic */
uint32_t cmd_id; /* Run ID */
char cmd_pool[ZPIOS_NAME_SIZE]; /* Pool name */
uint64_t cmd_chunk_size; /* Chunk size */
uint32_t cmd_thread_count; /* Thread count */
uint32_t cmd_region_count; /* Region count */
uint64_t cmd_region_size; /* Region size */
uint64_t cmd_offset; /* Region offset */
uint32_t cmd_region_noise; /* Region noise */
uint32_t cmd_chunk_noise; /* Chunk noise */
uint32_t cmd_thread_delay; /* Thread delay */
uint32_t cmd_flags; /* Test flags */
char cmd_pre[ZPIOS_PATH_SIZE]; /* Pre-exec hook */
char cmd_post[ZPIOS_PATH_SIZE]; /* Post-exec hook */
char cmd_log[ZPIOS_PATH_SIZE]; /* Requested log dir */
uint64_t cmd_data_size; /* Opaque data size */
char cmd_data_str[0]; /* Opaque data region */
} zpios_cmd_t;
/* Valid ioctls */
#define ZPIOS_CFG _IOWR('f', 101, zpios_cfg_t)
#define ZPIOS_CMD _IOWR('f', 102, zpios_cmd_t)
/* Valid configuration commands */
#define ZPIOS_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
#define ZPIOS_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
#ifndef NSEC_PER_SEC
#define NSEC_PER_SEC 1000000000L
#endif
static inline
void zpios_timespec_normalize(zpios_timespec_t *ts, uint32_t sec, uint32_t nsec)
{
while (nsec >= NSEC_PER_SEC) {
nsec -= NSEC_PER_SEC;
sec++;
}
while (nsec < 0) {
nsec += NSEC_PER_SEC;
sec--;
}
ts->ts_sec = sec;
ts->ts_nsec = nsec;
}
static inline
zpios_timespec_t zpios_timespec_add(zpios_timespec_t lhs, zpios_timespec_t rhs)
{
zpios_timespec_t ts_delta;
zpios_timespec_normalize(&ts_delta, lhs.ts_sec + rhs.ts_sec,
lhs.ts_nsec + rhs.ts_nsec);
return ts_delta;
}
static inline
zpios_timespec_t zpios_timespec_sub(zpios_timespec_t lhs, zpios_timespec_t rhs)
{
zpios_timespec_t ts_delta;
zpios_timespec_normalize(&ts_delta, lhs.ts_sec - rhs.ts_sec,
lhs.ts_nsec - rhs.ts_nsec);
return ts_delta;
}
#ifdef _KERNEL
static inline
zpios_timespec_t zpios_timespec_now(void)
{
zpios_timespec_t zts_now;
struct timespec ts_now;
ts_now = current_kernel_time();
zts_now.ts_sec = ts_now.tv_sec;
zts_now.ts_nsec = ts_now.tv_nsec;
return zts_now;
}
#else
static inline
double zpios_timespec_to_double(zpios_timespec_t ts)
{
return ((double)(ts.ts_sec) +
((double)(ts.ts_nsec) / (double)(NSEC_PER_SEC)));
}
#endif /* _KERNEL */
#endif /* _ZPIOS_CTL_H */

138
module/zpios/include/zpios-internal.h Normal file
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@ -0,0 +1,138 @@
/*****************************************************************************\
* ZPIOS is a heavily modified version of the original PIOS test code.
* It is designed to have the test code running in the Linux kernel
* against ZFS while still being flexibly controled from user space.
*
* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* LLNL-CODE-403049
*
* Original PIOS Test Code
* Copyright (C) 2004 Cluster File Systems, Inc.
* Written by Peter Braam <braam@clusterfs.com>
* Atul Vidwansa <atul@clusterfs.com>
* Milind Dumbare <milind@clusterfs.com>
*
* This file is part of ZFS on Linux.
* For details, see <http://github.com/behlendorf/zfs/>.
*
* ZPIOS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#ifndef _ZPIOS_INTERNAL_H
#define _ZPIOS_INTERNAL_H
#include "zpios-ctl.h"
#define OBJ_SIZE 64
struct run_args;
typedef struct dmu_obj {
objset_t *os;
uint64_t obj;
} dmu_obj_t;
/* thread doing the IO data */
typedef struct thread_data {
struct run_args *run_args;
int thread_no;
int rc;
zpios_stats_t stats;
kmutex_t lock;
} thread_data_t;
/* region for IO data */
typedef struct zpios_region {
__u64 wr_offset;
__u64 rd_offset;
__u64 init_offset;
__u64 max_offset;
dmu_obj_t obj;
zpios_stats_t stats;
kmutex_t lock;
} zpios_region_t;
/* arguments for one run */
typedef struct run_args {
/* Config args */
int id;
char pool[ZPIOS_NAME_SIZE];
__u64 chunk_size;
__u32 thread_count;
__u32 region_count;
__u64 region_size;
__u64 offset;
__u32 region_noise;
__u32 chunk_noise;
__u32 thread_delay;
__u32 flags;
char pre[ZPIOS_PATH_SIZE];
char post[ZPIOS_PATH_SIZE];
char log[ZPIOS_PATH_SIZE];
/* Control data */
objset_t *os;
wait_queue_head_t waitq;
volatile uint64_t threads_done;
kmutex_t lock_work;
kmutex_t lock_ctl;
__u32 region_next;
/* Results data */
struct file *file;
zpios_stats_t stats;
thread_data_t **threads;
zpios_region_t regions[0]; /* Must be last element */
} run_args_t;
#define ZPIOS_INFO_BUFFER_SIZE 65536
#define ZPIOS_INFO_BUFFER_REDZONE 1024
typedef struct zpios_info {
spinlock_t info_lock;
int info_size;
char *info_buffer;
char *info_head; /* Internal kernel use only */
} zpios_info_t;
#define zpios_print(file, format, args...) \
({ zpios_info_t *_info_ = (zpios_info_t *)file->private_data; \
int _rc_; \
\
ASSERT(_info_); \
ASSERT(_info_->info_buffer); \
\
spin_lock(&_info_->info_lock); \
\
/* Don't allow the kernel to start a write in the red zone */ \
if ((int)(_info_->info_head - _info_->info_buffer) > \
(_info_->info_size - ZPIOS_INFO_BUFFER_REDZONE)) { \
_rc_ = -EOVERFLOW; \
} else { \
_rc_ = sprintf(_info_->info_head, format, args); \
if (_rc_ >= 0) \
_info_->info_head += _rc_; \
} \
\
spin_unlock(&_info_->info_lock); \
_rc_; \
})
#define zpios_vprint(file, test, format, args...) \
zpios_print(file, "%*s: " format, ZPIOS_NAME_SIZE, test, args)
#endif /* _ZPIOS_INTERNAL_H */

1331
module/zpios/zpios.c Normal file
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File diff suppressed because it is too large Load Diff

14
scripts/Makefile.am
View File

@ -4,11 +4,17 @@ nobase_pkglibexec_SCRIPTS += zconfig.sh
nobase_pkglibexec_SCRIPTS += zfs.sh
nobase_pkglibexec_SCRIPTS += zpool-create.sh
nobase_pkglibexec_SCRIPTS += zpool-config/*
nobase_pkglibexec_SCRIPTS += zpios.sh
nobase_pkglibexec_SCRIPTS += zpios-sanity.sh
nobase_pkglibexec_SCRIPTS += zpios-survey.sh
nobase_pkglibexec_SCRIPTS += zpios-test/*
nobase_pkglibexec_SCRIPTS += zpios-profile/*
EXTRA_DIST = zfs-update.sh $(nobase_pkglibexec_SCRIPTS)
ZFS=${top_srcdir}/scripts/zfs.sh
ZCONFIG=${top_srcdir}/scripts/zconfig.sh
ZTEST=${top_builddir}/cmd/ztest/ztest
ZPIOS_SANITY=${top_srcdir}/scripts/zpios-sanity.sh
check:
@echo
@ -27,3 +33,11 @@ check:
@echo
@$(ZCONFIG)
@echo
@echo -n "===================================="
@echo -n " ZPIOS "
@echo "===================================="
@echo
@$(ZFS)
@$(ZPIOS_SANITY)
@$(ZFS) -u
@echo

5
scripts/common.sh.in
View File

@ -39,6 +39,8 @@ sbindir=@sbindir@
ETCDIR=${ETCDIR:-/etc}
DEVDIR=${DEVDIR:-/dev/disk/zpool}
ZPOOLDIR=${ZPOOLDIR:-${pkglibexecdir}/zpool-config}
ZPIOSDIR=${ZPIOSDIR:-${pkglibexecdir}/zpios-test}
ZPIOSPROFILEDIR=${ZPIOSPROFILEDIR:-${pkglibexecdir}/zpios-profile}
ZDB=${ZDB:-${sbindir}/zdb}
ZFS=${ZFS:-${sbindir}/zfs}
@ -46,10 +48,13 @@ ZINJECT=${ZINJECT:-${sbindir}/zinject}
ZPOOL=${ZPOOL:-${sbindir}/zpool}
ZPOOL_ID=${ZPOOL_ID:-${bindir}/zpool_id}
ZTEST=${ZTEST:-${sbindir}/ztest}
ZPIOS=${ZPIOS:-${sbindir}/zpios}
COMMON_SH=${COMMON_SH:-${pkglibexecdir}/common.sh}
ZFS_SH=${ZFS_SH:-${pkglibexecdir}/zfs.sh}
ZPOOL_CREATE_SH=${ZPOOL_CREATE_SH:-${pkglibexecdir}/zpool-create.sh}
ZPIOS_SH=${ZPIOS_SH:-${pkglibexecdir}/zpios.sh}
ZPIOS_SURVEY_SH=${ZPIOS_SURVEY_SH:-${pkglibexecdir}/zpios-survey.sh}
LDMOD=${LDMOD:-/sbin/modprobe}
LSMOD=${LSMOD:-/sbin/lsmod}

129
scripts/zpios-profile/zpios-profile-disk.sh Executable file
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@ -0,0 +1,129 @@
#!/bin/bash
#
# /proc/diskinfo <after skipping major/minor>
# Field 1 -- device name
# Field 2 -- # of reads issued
# Field 3 -- # of reads merged
# Field 4 -- # of sectors read
# Field 5 -- # of milliseconds spent reading
# Field 6 -- # of writes completed
# Field 7 -- # of writes merged
# Field 8 -- # of sectors written
# Field 9 -- # of milliseconds spent writing
# Field 10 -- # of I/Os currently in progress
# Field 11 -- # of milliseconds spent doing I/Os
# Field 12 -- weighted # of milliseconds spent doing I/Os
PROG=zpios-profile-disk.sh
RUN_PIDS=${0}
RUN_LOG_DIR=${1}
RUN_ID=${2}
create_table() {
local FIELD=$1
local ROW_M=()
local ROW_N=()
local HEADER=1
local STEP=1
for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
ROW_M=( ${ROW_N[@]} )
ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
if [ $HEADER -eq 1 ]; then
echo -n "step, "
cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
echo "total"
HEADER=0
fi
if [ ${#ROW_M[@]} -eq 0 ]; then
continue
fi
if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
echo "Badly formatted profile data in ${DISK_FILE}"
break
fi
TOTAL=0
echo -n "${STEP}, "
for (( i=0; i<${#ROW_N[@]}; i++ )); do
DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
let TOTAL=${TOTAL}+${DELTA}
echo -n "${DELTA}, "
done
echo "${TOTAL}, "
let STEP=${STEP}+1
done
}
create_table_mbs() {
local FIELD=$1
local TIME=$2
local ROW_M=()
local ROW_N=()
local HEADER=1
local STEP=1
for DISK_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/disk-[0-9]*`; do
ROW_M=( ${ROW_N[@]} )
ROW_N=( `cat ${DISK_FILE} | grep sd | cut -c11- | cut -f${FIELD} -d' ' | tr "\n" "\t"` )
if [ $HEADER -eq 1 ]; then
echo -n "step, "
cat ${DISK_FILE} | grep sd | cut -c11- | cut -f1 -d' ' | tr "\n" ", "
echo "total"
HEADER=0
fi
if [ ${#ROW_M[@]} -eq 0 ]; then
continue
fi
if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
echo "Badly formatted profile data in ${DISK_FILE}"
break
fi
TOTAL=0
echo -n "${STEP}, "
for (( i=0; i<${#ROW_N[@]}; i++ )); do
DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
MBS=`echo "scale=2; ((${DELTA}*512)/${TIME})/(1024*1024)" | bc`
TOTAL=`echo "scale=2; ${TOTAL}+${MBS}" | bc`
echo -n "${MBS}, "
done
echo "${TOTAL}, "
let STEP=${STEP}+1
done
}
echo
echo "Reads issued per device"
create_table 2
echo
echo "Reads merged per device"
create_table 3
echo
echo "Sectors read per device"
create_table 4
echo "MB/s per device"
create_table_mbs 4 3
echo
echo "Writes issued per device"
create_table 6
echo
echo "Writes merged per device"
create_table 7
echo
echo "Sectors written per device"
create_table 8
echo "MB/s per device"
create_table_mbs 8 3
exit 0

131
scripts/zpios-profile/zpios-profile-pids.sh Executable file
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@ -0,0 +1,131 @@
#!/bin/bash
PROG=zpios-profile-pids.sh
RUN_PIDS=${0}
RUN_LOG_DIR=${1}
RUN_ID=${2}
ROW_M=()
ROW_N=()
ROW_N_SCHED=()
ROW_N_WAIT=()
HEADER=1
STEP=1
for PID_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/pids-[0-9]*`; do
ROW_M=( ${ROW_N[@]} )
ROW_N=( 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 )
ROW_N_SCHED=( `cat ${PID_FILE} | cut -f15 -d' ' | tr "\n" "\t"` )
ROW_N_WAIT=( `cat ${PID_FILE} | cut -f17 -d' ' | tr "\n" "\t"` )
ROW_N_NAMES=( `cat ${PID_FILE} | cut -f2 -d' ' | cut -f2 -d'(' |
cut -f1 -d')' | cut -f1 -d'/' | tr "\n" "\t"` )
for (( i=0; i<${#ROW_N_SCHED[@]}; i++ )); do
SUM=`echo "${ROW_N_WAIT[${i}]}+${ROW_N_SCHED[${i}]}" | bc`
case ${ROW_N_NAMES[${i}]} in
zio_taskq) IDX=0;;
zio_req_nul) IDX=1;;
zio_irq_nul) IDX=2;;
zio_req_rd) IDX=3;;
zio_irq_rd) IDX=4;;
zio_req_wr) IDX=5;;
zio_irq_wr) IDX=6;;
zio_req_fr) IDX=7;;
zio_irq_fr) IDX=8;;
zio_req_cm) IDX=9;;
zio_irq_cm) IDX=10;;
zio_req_ctl) IDX=11;;
zio_irq_ctl) IDX=12;;
txg_quiesce) IDX=13;;
txg_sync) IDX=14;;
txg_timelimit) IDX=15;;
arc_reclaim) IDX=16;;
l2arc_feed) IDX=17;;
zpios_io) IDX=18;;
*) continue;;
esac
let ROW_N[${IDX}]=${ROW_N[${IDX}]}+${SUM}
done
if [ $HEADER -eq 1 ]; then
echo "step, zio_taskq, zio_req_nul, zio_irq_nul, " \
"zio_req_rd, zio_irq_rd, zio_req_wr, zio_irq_wr, " \
"zio_req_fr, zio_irq_fr, zio_req_cm, zio_irq_cm, " \
"zio_req_ctl, zio_irq_ctl, txg_quiesce, txg_sync, " \
"txg_timelimit, arc_reclaim, l2arc_feed, zpios_io, " \
"idle"
HEADER=0
fi
if [ ${#ROW_M[@]} -eq 0 ]; then
continue
fi
if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
echo "Badly formatted profile data in ${PID_FILE}"
break
fi
# Original values are in jiffies and we expect HZ to be 1000
# on most 2.6 systems thus we divide by 10 to get a percentage.
IDLE=1000
echo -n "${STEP}, "
for (( i=0; i<${#ROW_N[@]}; i++ )); do
DELTA=`echo "${ROW_N[${i}]}-${ROW_M[${i}]}" | bc`
DELTA_PERCENT=`echo "scale=1; ${DELTA}/10" | bc`
let IDLE=${IDLE}-${DELTA}
echo -n "${DELTA_PERCENT}, "
done
ILDE_PERCENT=`echo "scale=1; ${IDLE}/10" | bc`
echo "${ILDE_PERCENT}"
let STEP=${STEP}+1
done
exit
echo
echo "Percent of total system time per pid"
for PID_FILE in `ls -r --sort=time --time=ctime ${RUN_LOG_DIR}/${RUN_ID}/pids-[0-9]*`; do
ROW_M=( ${ROW_N[@]} )
ROW_N_SCHED=( `cat ${PID_FILE} | cut -f15 -d' ' | tr "\n" "\t"` )
ROW_N_WAIT=( `cat ${PID_FILE} | cut -f17 -d' ' | tr "\n" "\t"` )
for (( i=0; i<${#ROW_N_SCHED[@]}; i++ )); do
ROW_N[${i}]=`echo "${ROW_N_WAIT[${i}]}+${ROW_N_SCHED[${i}]}" | bc`
done
if [ $HEADER -eq 1 ]; then
echo -n "step, "
cat ${PID_FILE} | cut -f2 -d' ' | tr "\n" ", "
echo
HEADER=0
fi
if [ ${#ROW_M[@]} -eq 0 ]; then
continue
fi
if [ ${#ROW_M[@]} -ne ${#ROW_N[@]} ]; then
echo "Badly formatted profile data in ${PID_FILE}"
break
fi
# Original values are in jiffies and we expect HZ to be 1000
# on most 2.6 systems thus we divide by 10 to get a percentage.
echo -n "${STEP}, "
for (( i=0; i<${#ROW_N[@]}; i++ )); do
DELTA=`echo "scale=1; (${ROW_N[${i}]}-${ROW_M[${i}]})/10" | bc`
echo -n "${DELTA}, "
done
echo
let STEP=${STEP}+1
done
exit 0

129
scripts/zpios-profile/zpios-profile-post.sh Executable file
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@ -0,0 +1,129 @@
#!/bin/bash
PROG=zpios-profile-post.sh
RUN_POST=${0}
RUN_PHASE=${1}
RUN_DIR=${2}
RUN_ID=${3}
RUN_POOL=${4}
RUN_CHUNK_SIZE=${5}
RUN_REGION_SIZE=${6}
RUN_THRD_COUNT=${7}
RUN_REGION_COUNT=${8}
RUN_OFFSET=${9}
RUN_REGION_NOISE=${10}
RUN_CHUNK_NOISE=${11}
RUN_THRD_DELAY=${12}
RUN_FLAGS=${13}
RUN_RESULT=${14}
# Summarize system time per process
zpios_profile_post_pids() {
${PROFILE_PIDS} ${PROFILE_RUN_CR_PIDS_LOG} >${PROFILE_RUN_CR_PIDS_CSV}
${PROFILE_PIDS} ${PROFILE_RUN_WR_PIDS_LOG} >${PROFILE_RUN_WR_PIDS_CSV}
${PROFILE_PIDS} ${PROFILE_RUN_RD_PIDS_LOG} >${PROFILE_RUN_RD_PIDS_CSV}
${PROFILE_PIDS} ${PROFILE_RUN_RM_PIDS_LOG} >${PROFILE_RUN_RM_PIDS_CSV}
}
zpios_profile_post_disk() {
${PROFILE_DISK} ${PROFILE_RUN_CR_DISK_LOG} >${PROFILE_RUN_CR_DISK_CSV}
${PROFILE_DISK} ${PROFILE_RUN_WR_DISK_LOG} >${PROFILE_RUN_WR_DISK_CSV}
${PROFILE_DISK} ${PROFILE_RUN_RD_DISK_LOG} >${PROFILE_RUN_RD_DISK_CSV}
${PROFILE_DISK} ${PROFILE_RUN_RM_DISK_LOG} >${PROFILE_RUN_RM_DISK_CSV}
}
# Summarize per device performance
# Stop a user defined profiling script which is gathering additional data
zpios_profile_post_stop() {
local PROFILE_PID=$1
kill -s SIGHUP `cat ${PROFILE_PID}`
# Sleep waiting for profile script to exit
while [ -f ${PROFILE_PID} ]; do
sleep 0.01
done
}
zpios_profile_post_proc_stop() {
local PROC_DIR=$1
if [ -f ${PROFILE_ARC_PROC} ]; then
cat ${PROFILE_ARC_PROC} >${PROC_DIR}/arcstats.txt
fi
if [ -f ${PROFILE_VDEV_CACHE_PROC} ]; then
cat ${PROFILE_VDEV_CACHE_PROC} >${PROC_DIR}/vdev_cache_stats.txt
fi
}
zpios_profile_post_oprofile_stop() {
local OPROFILE_LOG=$1
local OPROFILE_ARGS="-a -g -l -p ${OPROFILE_KERNEL_DIR},${OPROFILE_SPL_DIR},${OPROFILE_ZFS_DIR}"
/usr/bin/opcontrol --stop >>${OPROFILE_LOG} 2>&1
/usr/bin/opcontrol --dump >>${OPROFILE_LOG} 2>&1
/usr/bin/opreport ${OPROFILE_ARGS} >${OPROFILE_LOG} 2>&1
/usr/bin/oparchive
}
zpios_profile_post_create() {
zpios_profile_post_oprofile_stop ${PROFILE_RUN_CR_OPROFILE_LOG}
zpios_profile_post_proc_stop ${PROFILE_RUN_CR_DIR}
zpios_profile_post_stop ${PROFILE_RUN_CR_PID}
}
zpios_profile_post_write() {
zpios_profile_post_oprofile_stop ${PROFILE_RUN_WR_OPROFILE_LOG}
zpios_profile_post_proc_stop ${PROFILE_RUN_WR_DIR}
zpios_profile_post_stop ${PROFILE_RUN_WR_PID}
}
zpios_profile_post_read() {
zpios_profile_post_oprofile_stop ${PROFILE_RUN_CR_RD_LOG}
zpios_profile_post_proc_stop ${PROFILE_RUN_RD_DIR}
zpios_profile_post_stop ${PROFILE_RUN_RD_PID}
}
zpios_profile_post_remove() {
zpios_profile_post_oprofile_stop ${PROFILE_RUN_RM_OPROFILE_LOG}
zpios_profile_post_proc_stop ${PROFILE_RUN_RM_DIR}
zpios_profile_post_stop ${PROFILE_RUN_RM_PID}
}
# Source global zpios test configuration
if [ -f ${RUN_DIR}/zpios-config.sh ]; then
. ${RUN_DIR}/zpios-config.sh
fi
# Source global per-run test configuration
if [ -f ${RUN_DIR}/${RUN_ID}/zpios-config-run.sh ]; then
. ${RUN_DIR}/${RUN_ID}/zpios-config-run.sh
fi
case "${RUN_PHASE}" in
post-run)
zpios_profile_post_pids
zpios_profile_post_disk
;;
post-create)
zpios_profile_post_create
;;
post-write)
zpios_profile_post_write
;;
post-read)
zpios_profile_post_read
;;
post-remove)
zpios_profile_post_remove
;;
*)
echo "Usage: ${PROG} {post-run|post-create|post-write|post-read|post-remove}"
exit 1
esac
exit 0

184
scripts/zpios-profile/zpios-profile-pre.sh Executable file
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@ -0,0 +1,184 @@
#!/bin/bash
PROG=zpios-profile-pre.sh
PROFILE_RDY=0
trap "PROFILE_RDY=1" SIGHUP
RUN_PRE=${0}
RUN_PHASE=${1}
RUN_DIR=${2}
RUN_ID=${3}
RUN_POOL=${4}
RUN_CHUNK_SIZE=${5}
RUN_REGION_SIZE=${6}
RUN_THRD_COUNT=${7}
RUN_REGION_COUNT=${8}
RUN_OFFSET=${9}
RUN_REGION_NOISE=${10}
RUN_CHUNK_NOISE=${11}
RUN_THRD_DELAY=${12}
RUN_FLAGS=${13}
RUN_RESULT=${14}
zpios_profile_pre_run_cfg() {
cat > ${RUN_DIR}/${RUN_ID}/zpios-config-run.sh << EOF
#
# Zpios Profiling Configuration for Run ${RUN_ID}
#
PROFILE_RUN_DIR=${RUN_DIR}/${RUN_ID}
PROFILE_RUN_CR_DIR=${RUN_DIR}/${RUN_ID}/create
PROFILE_RUN_CR_PID=${RUN_DIR}/${RUN_ID}/create/profile.pid
PROFILE_RUN_CR_OPROFILE_LOG=${RUN_DIR}/${RUN_ID}/create/oprofile.txt
PROFILE_RUN_CR_PIDS_LOG=${RUN_DIR}/${RUN_ID}/create/pids.txt
PROFILE_RUN_CR_PIDS_CSV=${RUN_DIR}/${RUN_ID}/create/pids.csv
PROFILE_RUN_CR_DISK_LOG=${RUN_DIR}/${RUN_ID}/create/disk.txt
PROFILE_RUN_CR_DISK_CSV=${RUN_DIR}/${RUN_ID}/create/disk.csv
PROFILE_RUN_WR_DIR=${RUN_DIR}/${RUN_ID}/write
PROFILE_RUN_WR_PID=${RUN_DIR}/${RUN_ID}/write/profile.pid
PROFILE_RUN_WR_OPROFILE_LOG=${RUN_DIR}/${RUN_ID}/write/oprofile.txt
PROFILE_RUN_WR_PIDS_LOG=${RUN_DIR}/${RUN_ID}/write/pids.txt
PROFILE_RUN_WR_PIDS_CSV=${RUN_DIR}/${RUN_ID}/write/pids.csv
PROFILE_RUN_WR_DISK_LOG=${RUN_DIR}/${RUN_ID}/write/disk.txt
PROFILE_RUN_WR_DISK_CSV=${RUN_DIR}/${RUN_ID}/write/disk.csv
PROFILE_RUN_RD_DIR=${RUN_DIR}/${RUN_ID}/read
PROFILE_RUN_RD_PID=${RUN_DIR}/${RUN_ID}/read/profile.pid
PROFILE_RUN_RD_OPROFILE_LOG=${RUN_DIR}/${RUN_ID}/read/oprofile.txt
PROFILE_RUN_RD_PIDS_LOG=${RUN_DIR}/${RUN_ID}/read/pids.txt
PROFILE_RUN_RD_PIDS_CSV=${RUN_DIR}/${RUN_ID}/read/pids.csv
PROFILE_RUN_RD_DISK_LOG=${RUN_DIR}/${RUN_ID}/read/disk.txt
PROFILE_RUN_RD_DISK_CSV=${RUN_DIR}/${RUN_ID}/read/disk.csv
PROFILE_RUN_RM_DIR=${RUN_DIR}/${RUN_ID}/remove
PROFILE_RUN_RM_PID=${RUN_DIR}/${RUN_ID}/remove/profile.pid
PROFILE_RUN_RM_OPROFILE_LOG=${RUN_DIR}/${RUN_ID}/remove/oprofile.txt
PROFILE_RUN_RM_PIDS_LOG=${RUN_DIR}/${RUN_ID}/remove/pids.txt
PROFILE_RUN_RM_PIDS_CSV=${RUN_DIR}/${RUN_ID}/remove/pids.csv
PROFILE_RUN_RM_DISK_LOG=${RUN_DIR}/${RUN_ID}/remove/disk.txt
PROFILE_RUN_RM_DISK_CSV=${RUN_DIR}/${RUN_ID}/remove/disk.csv
# PROFILE_PIDS_LOG=${RUN_DIR}/${RUN_ID}/pids-summary.csv
# PROFILE_DISK_LOG=${RUN_DIR}/${RUN_ID}/disk-summary.csv
EOF
}
zpios_profile_pre_run_args() {
cat > ${RUN_DIR}/${RUN_ID}/zpios-args.txt << EOF
#
# Zpios Arguments for Run ${RUN_ID}
#
DIR=${RUN_DIR}
ID=${RUN_ID}
POOL=${RUN_POOL}
CHUNK_SIZE=${RUN_CHUNK_SIZE}
REGION_SIZE=${RUN_REGION_SIZE}
THRD_COUNT=${RUN_THRD_COUNT}
REGION_COUNT=${RUN_REGION_COUNT}
OFFSET=${RUN_OFFSET}
REGION_NOISE=${RUN_REGION_NOISE}
CHUNK_NOISE=${RUN_CHUNK_NOISE}
THRD_DELAY=${RUN_THRD_DELAY}
FLAGS=${RUN_FLAGS}
RESULT=${RUN_RESULT}
EOF
}
# Spawn a user defined profiling script to gather additional data
zpios_profile_pre_start() {
local PROFILE_PID=$1
${PROFILE_USER} ${RUN_PHASE} ${RUN_DIR} ${RUN_ID} &
echo "$!" >${PROFILE_PID}
# Sleep waiting for profile script to be ready, it will
# signal us via SIGHUP when it is ready to start profiling.
while [ ${PROFILE_RDY} -eq 0 ]; do
sleep 0.01
done
}
zpios_profile_post_proc_start() {
if [ -f ${PROFILE_ARC_PROC} ]; then
echo 0 >${PROFILE_ARC_PROC}
fi
if [ -f ${PROFILE_VDEV_CACHE_PROC} ]; then
echo 0 >${PROFILE_VDEV_CACHE_PROC}
fi
}
zpios_profile_pre_oprofile_start() {
local OPROFILE_LOG=$1
/usr/bin/opcontrol --reset >>${OPROFILE_LOG} 2>&1
/usr/bin/opcontrol --start >>${OPROFILE_LOG} 2>&1
}
zpios_profile_pre_create() {
mkdir ${PROFILE_RUN_CR_DIR}
zpios_profile_pre_start ${PROFILE_RUN_CR_PID}
zpios_profile_post_proc_start
zpios_profile_pre_oprofile_start ${PROFILE_RUN_CR_OPROFILE_LOG}
}
zpios_profile_pre_write() {
mkdir ${PROFILE_RUN_WR_DIR}
zpios_profile_pre_start ${PROFILE_RUN_WR_PID}
zpios_profile_post_proc_start
zpios_profile_pre_oprofile_start ${PROFILE_RUN_WR_OPROFILE_LOG}
}
zpios_profile_pre_read() {
mkdir ${PROFILE_RUN_RD_DIR}
zpios_profile_pre_start ${PROFILE_RUN_RD_PID}
zpios_profile_post_proc_start
zpios_profile_pre_oprofile_start ${PROFILE_RUN_CR_RD_LOG}
}
zpios_profile_pre_remove() {
mkdir ${PROFILE_RUN_RM_DIR}
zpios_profile_pre_start ${PROFILE_RUN_RM_PID}
zpios_profile_post_proc_start
zpios_profile_pre_oprofile_start ${PROFILE_RUN_RM_OPROFILE_LOG}
}
# Source global zpios test configuration
if [ -f ${RUN_DIR}/zpios-config.sh ]; then
. ${RUN_DIR}/zpios-config.sh
fi
# Source global per-run test configuration
if [ -f ${RUN_DIR}/${RUN_ID}/zpios-config-run.sh ]; then
. ${RUN_DIR}/${RUN_ID}/zpios-config-run.sh
fi
case "${RUN_PHASE}" in
pre-run)
mkdir -p ${RUN_DIR}/${RUN_ID}/
zpios_profile_pre_run_cfg
zpios_profile_pre_run_args
;;
pre-create)
zpios_profile_pre_create
;;
pre-write)
zpios_profile_pre_write
;;
pre-read)
zpios_profile_pre_read
;;
pre-remove)
zpios_profile_pre_remove
;;
*)
echo "Usage: ${PROG} {pre-run|pre-create|pre-write|pre-read|pre-remove}"
exit 1
esac
exit 0

226
scripts/zpios-profile/zpios-profile.sh Executable file
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#!/bin/bash
PROG=zpios-profile.sh
trap "RUN_DONE=1" SIGHUP
RUN_PHASE=${1}
RUN_LOG_DIR=${2}
RUN_ID=${3}
RUN_DONE=0
POLL_INTERVAL=2.99
# Log these pids, the exact pid numbers will vary from system to system
# so I harvest pid for all the following type of processes from /proc/<pid>/
#
# zio_taskq/#
# spa_zio_issue/#
# spa_zio_intr/#
# txg_quiesce_thr
# txg_sync_thread
# txg_timelimit_t
# arc_reclaim_thr
# l2arc_feed_thre
# zpios_io/#
ZIO_TASKQ_PIDS=()
ZIO_REQ_NUL_PIDS=()
ZIO_IRQ_NUL_PIDS=()
ZIO_REQ_RD_PIDS=()
ZIO_IRQ_RD_PIDS=()
ZIO_REQ_WR_PIDS=()
ZIO_IRQ_WR_PIDS=()
ZIO_REQ_FR_PIDS=()
ZIO_IRQ_FR_PIDS=()
ZIO_REQ_CM_PIDS=()
ZIO_IRQ_CM_PIDS=()
ZIO_REQ_CTL_PIDS=()
ZIO_IRQ_CTL_PIDS=()
TXG_QUIESCE_PIDS=()
TXG_SYNC_PIDS=()
TXG_TIMELIMIT_PIDS=()
ARC_RECLAIM_PIDS=()
L2ARC_FEED_PIDS=()
ZPIOS_IO_PIDS=()
show_pids() {
echo "* zio_taskq: { ${ZIO_TASKQ_PIDS[@]} } = ${#ZIO_TASKQ_PIDS[@]}"
echo "* zio_req_nul: { ${ZIO_REQ_NUL_PIDS[@]} } = ${#ZIO_REQ_NUL_PIDS[@]}"
echo "* zio_irq_nul: { ${ZIO_IRQ_NUL_PIDS[@]} } = ${#ZIO_IRQ_NUL_PIDS[@]}"
echo "* zio_req_rd: { ${ZIO_REQ_RD_PIDS[@]} } = ${#ZIO_REQ_RD_PIDS[@]}"
echo "* zio_irq_rd: { ${ZIO_IRQ_RD_PIDS[@]} } = ${#ZIO_IRQ_RD_PIDS[@]}"
echo "* zio_req_wr: { ${ZIO_REQ_WR_PIDS[@]} } = ${#ZIO_REQ_WR_PIDS[@]}"
echo "* zio_irq_wr: { ${ZIO_IRQ_WR_PIDS[@]} } = ${#ZIO_IRQ_WR_PIDS[@]}"
echo "* zio_req_fr: { ${ZIO_REQ_FR_PIDS[@]} } = ${#ZIO_REQ_FR_PIDS[@]}"
echo "* zio_irq_fr: { ${ZIO_IRQ_FR_PIDS[@]} } = ${#ZIO_IRQ_FR_PIDS[@]}"
echo "* zio_req_cm: { ${ZIO_REQ_CM_PIDS[@]} } = ${#ZIO_REQ_CM_PIDS[@]}"
echo "* zio_irq_cm: { ${ZIO_IRQ_CM_PIDS[@]} } = ${#ZIO_IRQ_CM_PIDS[@]}"
echo "* zio_req_ctl: { ${ZIO_REQ_CTL_PIDS[@]} } = ${#ZIO_REQ_CTL_PIDS[@]}"
echo "* zio_irq_ctl: { ${ZIO_IRQ_CTL_PIDS[@]} } = ${#ZIO_IRQ_CTL_PIDS[@]}"
echo "* txg_quiesce: { ${TXG_QUIESCE_PIDS[@]} } = ${#TXG_QUIESCE_PIDS[@]}"
echo "* txg_sync: { ${TXG_SYNC_PIDS[@]} } = ${#TXG_SYNC_PIDS[@]}"
echo "* txg_timelimit: { ${TXG_TIMELIMIT_PIDS[@]} } = ${#TXG_TIMELIMIT_PIDS[@]}"
echo "* arc_reclaim: { ${ARC_RECLAIM_PIDS[@]} } = ${#ARC_RECLAIM_PIDS[@]}"
echo "* l2arc_feed: { ${L2ARC_FEED_PIDS[@]} } = ${#L2ARC_FEED_PIDS[@]}"
echo "* zpios_io: { ${ZPIOS_IO_PIDS[@]} } = ${#ZPIOS_IO_PIDS[@]}"
}
check_pid() {
local PID=$1
local NAME=$2
local TYPE=$3
local PIDS=( "$4" )
local NAME_STRING=`echo ${NAME} | cut -f1 -d'/'`
local NAME_NUMBER=`echo ${NAME} | cut -f2 -d'/'`
if [ "${NAME_STRING}" == "${TYPE}" ]; then
if [ -n "${NAME_NUMBER}" ]; then
PIDS[${NAME_NUMBER}]=${PID}
else
PIDS[${#PIDS[@]}]=${PID}
fi
fi
echo "${PIDS[@]}"
}
# NOTE: This whole process is crazy slow but it will do for now
aquire_pids() {
echo "--- Aquiring ZFS pids ---"
for PID in `ls /proc/ | grep [0-9] | sort -n -u`; do
if [ ! -e /proc/${PID}/status ]; then
continue
fi
NAME=`cat /proc/${PID}/status | head -n1 | cut -f2`
ZIO_TASKQ_PIDS=( `check_pid ${PID} ${NAME} "zio_taskq" \
"$(echo "${ZIO_TASKQ_PIDS[@]}")"` )
ZIO_REQ_NUL_PIDS=( `check_pid ${PID} ${NAME} "zio_req_nul" \
"$(echo "${ZIO_REQ_NUL_PIDS[@]}")"` )
ZIO_IRQ_NUL_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_nul" \
"$(echo "${ZIO_IRQ_NUL_PIDS[@]}")"` )
ZIO_REQ_RD_PIDS=( `check_pid ${PID} ${NAME} "zio_req_rd" \
"$(echo "${ZIO_REQ_RD_PIDS[@]}")"` )
ZIO_IRQ_RD_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_rd" \
"$(echo "${ZIO_IRQ_RD_PIDS[@]}")"` )
ZIO_REQ_WR_PIDS=( `check_pid ${PID} ${NAME} "zio_req_wr" \
"$(echo "${ZIO_REQ_WR_PIDS[@]}")"` )
ZIO_IRQ_WR_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_wr" \
"$(echo "${ZIO_IRQ_WR_PIDS[@]}")"` )
ZIO_REQ_FR_PIDS=( `check_pid ${PID} ${NAME} "zio_req_fr" \
"$(echo "${ZIO_REQ_FR_PIDS[@]}")"` )
ZIO_IRQ_FR_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_fr" \
"$(echo "${ZIO_IRQ_FR_PIDS[@]}")"` )
ZIO_REQ_CM_PIDS=( `check_pid ${PID} ${NAME} "zio_req_cm" \
"$(echo "${ZIO_REQ_CM_PIDS[@]}")"` )
ZIO_IRQ_CM_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_cm" \
"$(echo "${ZIO_IRQ_CM_PIDS[@]}")"` )
ZIO_REQ_CTL_PIDS=( `check_pid ${PID} ${NAME} "zio_req_ctl" \
"$(echo "${ZIO_REQ_CTL_PIDS[@]}")"` )
ZIO_IRQ_CTL_PIDS=( `check_pid ${PID} ${NAME} "zio_irq_ctl" \
"$(echo "${ZIO_IRQ_CTL_PIDS[@]}")"` )
TXG_QUIESCE_PIDS=( `check_pid ${PID} ${NAME} "txg_quiesce" \
"$(echo "${TXG_QUIESCE_PIDS[@]}")"` )
TXG_SYNC_PIDS=( `check_pid ${PID} ${NAME} "txg_sync" \
"$(echo "${TXG_SYNC_PIDS[@]}")"` )
TXG_TIMELIMIT_PIDS=( `check_pid ${PID} ${NAME} "txg_timelimit" \
"$(echo "${TXG_TIMELIMIT_PIDS[@]}")"` )
ARC_RECLAIM_PIDS=( `check_pid ${PID} ${NAME} "arc_reclaim" \
"$(echo "${ARC_RECLAIM_PIDS[@]}")"` )
L2ARC_FEED_PIDS=( `check_pid ${PID} ${NAME} "l2arc_feed" \
"$(echo "${L2ARC_FEED_PIDS[@]}")"` )
done
# Wait for zpios_io threads to start
kill -s SIGHUP ${PPID}
echo "* Waiting for zpios_io threads to start"
while [ ${RUN_DONE} -eq 0 ]; do
ZPIOS_IO_PIDS=( `ps ax | grep zpios_io | grep -v grep | \
sed 's/^ *//g' | cut -f1 -d' '` )
if [ ${#ZPIOS_IO_PIDS[@]} -gt 0 ]; then
break;
fi
sleep 0.1
done
echo "`show_pids`" >${RUN_LOG_DIR}/${RUN_ID}/pids.txt
}
log_pids() {
echo "--- Logging ZFS profile to ${RUN_LOG_DIR}/${RUN_ID}/ ---"
ALL_PIDS=( ${ZIO_TASKQ_PIDS[@]} \
${ZIO_REQ_NUL_PIDS[@]} \
${ZIO_IRQ_NUL_PIDS[@]} \
${ZIO_REQ_RD_PID[@]} \
${ZIO_IRQ_RD_PIDS[@]} \
${ZIO_REQ_WR_PIDS[@]} \
${ZIO_IRQ_WR_PIDS[@]} \
${ZIO_REQ_FR_PIDS[@]} \
${ZIO_IRQ_FR_PIDS[@]} \
${ZIO_REQ_CM_PIDS[@]} \
${ZIO_IRQ_CM_PIDS[@]} \
${ZIO_REQ_CTL_PIDS[@]} \
${ZIO_IRQ_CTL_PIDS[@]} \
${TXG_QUIESCE_PIDS[@]} \
${TXG_SYNC_PIDS[@]} \
${TXG_TIMELIMIT_PIDS[@]} \
${ARC_RECLAIM_PIDS[@]} \
${L2ARC_FEED_PIDS[@]} \
${ZPIOS_IO_PIDS[@]} )
while [ ${RUN_DONE} -eq 0 ]; do
NOW=`date +%s.%N`
LOG_PIDS="${RUN_LOG_DIR}/${RUN_ID}/pids-${NOW}"
LOG_DISK="${RUN_LOG_DIR}/${RUN_ID}/disk-${NOW}"
for PID in "${ALL_PIDS[@]}"; do
if [ -z ${PID} ]; then
continue;
fi
if [ -e /proc/${PID}/stat ]; then
cat /proc/${PID}/stat | head -n1 >>${LOG_PIDS}
else
echo "<${PID} exited>" >>${LOG_PIDS}
fi
done
cat /proc/diskstats >${LOG_DISK}
NOW2=`date +%s.%N`
DELTA=`echo "${POLL_INTERVAL}-(${NOW2}-${NOW})" | bc`
sleep ${DELTA}
done
}
aquire_pids
log_pids
# rm ${PROFILE_PID}
exit 0

158
scripts/zpios-sanity.sh Executable file
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#!/bin/bash
#
# ZFS/ZPOOL configuration test script.
basedir="$(dirname $0)"
SCRIPT_COMMON=common.sh
if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
. "${basedir}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zpios-sanity.sh
HEADER=
usage() {
cat << EOF
USAGE:
$0 [hvxfc]
DESCRIPTION:
ZPIOS sanity tests
OPTIONS:
-h Show this message
-v Verbose
-x Destructive hd/sd/md/dm/ram tests
-f Don't prompt due to -x
-c Cleanup lo+file devices at start
EOF
}
while getopts 'hvxfc?' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE=1
;;
x)
DANGEROUS=1
;;
f)
FORCE=1
;;
c)
CLEANUP=1
;;
?)
usage
exit
;;
esac
done
if [ $(id -u) != 0 ]; then
die "Must run as root"
fi
# Perform pre-cleanup is requested
if [ ${CLEANUP} ]; then
cleanup_loop_devices
rm -f /tmp/zpool.cache.*
fi
zpios_test() {
CONFIG=$1
TEST=$2
LOG=`mktemp`
${ZPIOS_SH} -f -c ${CONFIG} -t ${TEST} &>${LOG}
if [ $? -ne 0 ]; then
if [ ${VERBOSE} ]; then
printf "FAIL: %-13s\n" ${CONFIG}
cat ${LOG}
else
if [ ! ${HEADER} ]; then
head -2 ${LOG}
HEADER=1
fi
printf "FAIL: %-13s" ${CONFIG}
tail -1 ${LOG}
fi
else
if [ ${VERBOSE} ]; then
cat ${LOG}
else
if [ ! ${HEADER} ]; then
head -2 ${LOG}
HEADER=1
fi
tail -1 ${LOG}
fi
fi
rm -f ${LOG}
}
if [ ${DANGEROUS} ] && [ ! ${FORCE} ]; then
cat << EOF
The -x option was passed which will result in UNRECOVERABLE DATA LOSS
on on the following block devices:
/dev/sd[abcd]
/dev/hda
/dev/ram0
/dev/md0
/dev/dm-0
To continue please confirm by entering YES:
EOF
read CONFIRM
if [ ${CONFIRM} != "YES" ] && [ ${CONFIRM} != "yes" ]; then
exit 0;
fi
fi
#
# These configurations are all safe and pose no risk to any data on
# the system which runs them. They will confine all their IO to a
# file in /tmp or a loopback device configured to use a file in /tmp.
#
SAFE_CONFIGS=( \
file-raid0 file-raid10 file-raidz file-raidz2 \
lo-raid0 lo-raid10 lo-raidz lo-raidz2 \
)
#
# These configurations are down right dangerous. They will attempt
# to use various real block devices on your system which may contain
# data you car about. You are STRONGLY advised not to run this unless
# you are certain there is no data on the system you care about.
#
DANGEROUS_CONFIGS=( \
hda-raid0 \
sda-raid0 \
ram0-raid0 \
md0-raid10 md0-raid5 \
dm0-raid0 \
)
for CONFIG in ${SAFE_CONFIGS[*]}; do
zpios_test $CONFIG tiny
done
if [ ${DANGEROUS} ]; then
for CONFIG in ${DANGEROUS_CONFIGS[*]}; do
zpios_test $CONFIG tiny
done
fi
exit 0

215
scripts/zpios-survey.sh Executable file
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#!/bin/bash
#
# Wrapper script for easily running a survey of zpios based tests
#
basedir="$(dirname $0)"
SCRIPT_COMMON=common.sh
if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
. "${basedir}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zpios-survey.sh
usage() {
cat << EOF
USAGE:
$0 [hvp] <-c config> <-t test>
DESCRIPTION:
Helper script for easy zpios survey benchmarking.
OPTIONS:
-h Show this message
-v Verbose
-p Enable profiling
-c Zpool configuration
-t Zpios test
-l Zpios survey log
EOF
}
print_header() {
tee -a ${ZPIOS_SURVEY_LOG} << EOF
================================================================
Test: $1
EOF
}
# Baseline performance for an out of the box config with no manual tuning.
# Ideally, we want everything to be automatically tuned for your system and
# for this to perform reasonably well.
zpios_survey_base() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+baseline"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# Disable ZFS's prefetching. For some reason still not clear to me
# current prefetching policy is quite bad for a random workload.
# Allowing the algorithm to detect a random workload and not do
# anything may be the way to address this issue.
zpios_survey_prefetch() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+prefetch"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} \
-o "--noprefetch" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# Simulating a zerocopy IO path should improve performance by freeing up
# lots of CPU which is wasted move data between buffers.
zpios_survey_zerocopy() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+zerocopy"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} \
-o "--zerocopy" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# Disabling checksumming should show some (if small) improvement
# simply due to freeing up a modest amount of CPU.
zpios_survey_checksum() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+checksum"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} \
-s "set checksum=off" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# Increasing the pending IO depth also seems to improve things likely
# at the expense of latency. This should be explored more because I'm
# seeing a much bigger impact there that I would have expected. There
# may be some low hanging fruit to be found here.
zpios_survey_pending() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+pending"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} \
zfs="zfs_vdev_max_pending=1024" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# To avoid memory fragmentation issues our slab implementation can be
# based on a virtual address space. Interestingly, we take a pretty
# substantial performance penalty for this somewhere in the low level
# IO drivers. If we back the slab with kmem pages we see far better
# read performance numbers at the cost of memory fragmention and general
# system instability due to large allocations. This may be because of
# an optimization in the low level drivers due to the contigeous kmem
# based memory. This needs to be explained. The good news here is that
# with zerocopy interfaces added at the DMU layer we could gaurentee
# kmem based memory for a pool of pages.
#
# 0x100 = KMC_KMEM - Force kmem_* based slab
# 0x200 = KMC_VMEM - Force vmem_* based slab
zpios_survey_kmem() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+kmem"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} \
zfs="zio_bulk_flags=0x100" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
# Apply all possible turning concurrently to get a best case number
zpios_survey_all() {
TEST_NAME="${ZPOOL_CONFIG}+${ZPIOS_TEST}+all"
print_header ${TEST_NAME}
${ZFS_SH} ${VERBOSE_FLAG} \
zfs="zfs_vdev_max_pending=1024" \
zfs="zio_bulk_flags=0x100" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZPIOS_SH} ${VERBOSE_FLAG} -c ${ZPOOL_CONFIG} -t ${ZPIOS_TEST} \
-o "--noprefetch --zerocopy" \
-s "set checksum=off" | \
tee -a ${ZPIOS_SURVEY_LOG}
${ZFS_SH} -u ${VERBOSE_FLAG} | \
tee -a ${ZPIOS_SURVEY_LOG}
}
PROFILE=
ZPOOL_NAME=zpios-survey
ZPOOL_CONFIG=zpool-config.sh
ZPIOS_TEST=zpios-test.sh
ZPIOS_SURVEY_LOG=/dev/null
while getopts 'hvpc:t:l:' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE=1
VERBOSE_FLAG="-v"
;;
p)
PROFILE=1
PROFILE_FLAG="-p"
;;
c)
ZPOOL_CONFIG=${OPTARG}
;;
t)
ZPIOS_TEST=${OPTARG}
;;
l)
ZPIOS_SURVEY_LOG=${OPTARG}
;;
?)
usage
exit
;;
esac
done
if [ $(id -u) != 0 ]; then
die "Must run as root"
fi
zpios_survey_base
zpios_survey_prefetch
zpios_survey_zerocopy
zpios_survey_checksum
zpios_survey_pending
zpios_survey_kmem
zpios_survey_all
exit 0

65
scripts/zpios-test/16th-8192rc-4rs-1cs-4off.sh Executable file
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#!/bin/bash
#
# Usage: zpios
# --threadcount -t =values
# --threadcount_low -l =value
# --threadcount_high -h =value
# --threadcount_incr -e =value
# --regioncount -n =values
# --regioncount_low -i =value
# --regioncount_high -j =value
# --regioncount_incr -k =value
# --offset -o =values
# --offset_low -m =value
# --offset_high -q =value
# --offset_incr -r =value
# --chunksize -c =values
# --chunksize_low -a =value
# --chunksize_high -b =value
# --chunksize_incr -g =value
# --regionsize -s =values
# --regionsize_low -A =value
# --regionsize_high -B =value
# --regionsize_incr -C =value
# --load -L =dmuio|ssf|fpp
# --pool -p =pool name
# --name -M =test name
# --cleanup -x
# --prerun -P =pre-command
# --postrun -R =post-command
# --log -G =log directory
# --regionnoise -I =shift
# --chunknoise -N =bytes
# --threaddelay -T =jiffies
# --verify -V
# --zerocopy -z
# --nowait -O
# --human-readable -H
# --verbose -v =increase verbosity
# --help -? =this help
ZPIOS_CMD="${ZPIOS} \
--load=dmuio \
--pool=${ZPOOL_NAME} \
--name=${ZPOOL_CONFIG} \
--threadcount=16 \
--regioncount=8192 \
--regionsize=4M \
--chunksize=1M \
--offset=4M \
--cleanup \
--human-readable \
${ZPIOS_OPTIONS}"
zpios_start() {
if [ ${VERBOSE} ]; then
ZPIOS_CMD="${ZPIOS_CMD} --verbose"
echo ${ZPIOS_CMD}
fi
${ZPIOS_CMD} || exit 1
}
zpios_stop() {
[ ${VERBOSE} ] && echo
}

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#!/bin/bash
#
# Usage: zpios
# --threadcount -t =values
# --threadcount_low -l =value
# --threadcount_high -h =value
# --threadcount_incr -e =value
# --regioncount -n =values
# --regioncount_low -i =value
# --regioncount_high -j =value
# --regioncount_incr -k =value
# --offset -o =values
# --offset_low -m =value
# --offset_high -q =value
# --offset_incr -r =value
# --chunksize -c =values
# --chunksize_low -a =value
# --chunksize_high -b =value
# --chunksize_incr -g =value
# --regionsize -s =values
# --regionsize_low -A =value
# --regionsize_high -B =value
# --regionsize_incr -C =value
# --load -L =dmuio|ssf|fpp
# --pool -p =pool name
# --name -M =test name
# --cleanup -x
# --prerun -P =pre-command
# --postrun -R =post-command
# --log -G =log directory
# --regionnoise -I =shift
# --chunknoise -N =bytes
# --threaddelay -T =jiffies
# --verify -V
# --zerocopy -z
# --nowait -O
# --human-readable -H
# --verbose -v =increase verbosity
# --help -? =this help
ZPIOS_CMD="${ZPIOS} \
--load=dmuio \
--pool=${ZPOOL_NAME} \
--name=${ZPOOL_CONFIG} \
--threadcount=1 \
--regioncount=16 \
--regionsize=4M \
--chunksize=1M \
--offset=4M \
--cleanup \
--human-readable \
${ZPIOS_OPTIONS}"
zpios_start() {
if [ ${VERBOSE} ]; then
ZPIOS_CMD="${ZPIOS_CMD} --verbose"
echo ${ZPIOS_CMD}
fi
${ZPIOS_CMD} || exit 1
}
zpios_stop() {
[ ${VERBOSE} ] && echo
}

65
scripts/zpios-test/1x256th-65536rc-4rs-1cs-4off.sh Executable file
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#!/bin/bash
#
# Usage: zpios
# --threadcount -t =values
# --threadcount_low -l =value
# --threadcount_high -h =value
# --threadcount_incr -e =value
# --regioncount -n =values
# --regioncount_low -i =value
# --regioncount_high -j =value
# --regioncount_incr -k =value
# --offset -o =values
# --offset_low -m =value
# --offset_high -q =value
# --offset_incr -r =value
# --chunksize -c =values
# --chunksize_low -a =value
# --chunksize_high -b =value
# --chunksize_incr -g =value
# --regionsize -s =values
# --regionsize_low -A =value
# --regionsize_high -B =value
# --regionsize_incr -C =value
# --load -L =dmuio|ssf|fpp
# --pool -p =pool name
# --name -M =test name
# --cleanup -x
# --prerun -P =pre-command
# --postrun -R =post-command
# --log -G =log directory
# --regionnoise -I =shift
# --chunknoise -N =bytes
# --threaddelay -T =jiffies
# --verify -V
# --zerocopy -z
# --nowait -O
# --human-readable -H
# --verbose -v =increase verbosity
# --help -? =this help
ZPIOS_CMD="${ZPIOS} \
--load=dmuio \
--pool=${ZPOOL_NAME} \
--name=${ZPOOL_CONFIG} \
--threadcount=1,2,4,8,16,32,64,128,256 \
--regioncount=65536 \
--regionsize=4M \
--chunksize=1M \
--offset=4M \
--cleanup \
--human-readable \
${ZPIOS_OPTIONS}"
zpios_start() {
if [ ${VERBOSE} ]; then
ZPIOS_CMD="${ZPIOS_CMD} --verbose"
echo ${ZPIOS_CMD}
fi
${ZPIOS_CMD} || exit 1
}
zpios_stop() {
[ ${VERBOSE} ] && echo
}

65
scripts/zpios-test/256th-65536rc-4rs-1cs-4off.sh Executable file
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#!/bin/bash
#
# Usage: zpios
# --threadcount -t =values
# --threadcount_low -l =value
# --threadcount_high -h =value
# --threadcount_incr -e =value
# --regioncount -n =values
# --regioncount_low -i =value
# --regioncount_high -j =value
# --regioncount_incr -k =value
# --offset -o =values
# --offset_low -m =value
# --offset_high -q =value
# --offset_incr -r =value
# --chunksize -c =values
# --chunksize_low -a =value
# --chunksize_high -b =value
# --chunksize_incr -g =value
# --regionsize -s =values
# --regionsize_low -A =value
# --regionsize_high -B =value
# --regionsize_incr -C =value
# --load -L =dmuio|ssf|fpp
# --pool -p =pool name
# --name -M =test name
# --cleanup -x
# --prerun -P =pre-command
# --postrun -R =post-command
# --log -G =log directory
# --regionnoise -I =shift
# --chunknoise -N =bytes
# --threaddelay -T =jiffies
# --verify -V
# --zerocopy -z
# --nowait -O
# --human-readable -H
# --verbose -v =increase verbosity
# --help -? =this help
ZPIOS_CMD="${ZPIOS} \
--load=dmuio \
--pool=${ZPOOL_NAME} \
--name=${ZPOOL_CONFIG} \
--threadcount=256 \
--regioncount=65536 \
--regionsize=4M \
--chunksize=1M \
--offset=4M \
--cleanup \
--human-readable \
${ZPIOS_OPTIONS}"
zpios_start() {
if [ ${VERBOSE} ]; then
ZPIOS_CMD="${ZPIOS_CMD} --verbose"
echo ${ZPIOS_CMD}
fi
${ZPIOS_CMD} || exit 1
}
zpios_stop() {
[ ${VERBOSE} ] && echo
}

65
scripts/zpios-test/4th-1024rc-4rs-1cs-4off.sh Executable file
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#!/bin/bash
#
# Usage: zpios
# --threadcount -t =values
# --threadcount_low -l =value
# --threadcount_high -h =value
# --threadcount_incr -e =value
# --regioncount -n =values
# --regioncount_low -i =value
# --regioncount_high -j =value
# --regioncount_incr -k =value
# --offset -o =values
# --offset_low -m =value
# --offset_high -q =value
# --offset_incr -r =value
# --chunksize -c =values
# --chunksize_low -a =value
# --chunksize_high -b =value
# --chunksize_incr -g =value
# --regionsize -s =values
# --regionsize_low -A =value
# --regionsize_high -B =value
# --regionsize_incr -C =value
# --load -L =dmuio|ssf|fpp
# --pool -p =pool name
# --name -M =test name
# --cleanup -x
# --prerun -P =pre-command
# --postrun -R =post-command
# --log -G =log directory
# --regionnoise -I =shift
# --chunknoise -N =bytes
# --threaddelay -T =jiffies
# --verify -V
# --zerocopy -z
# --nowait -O
# --human-readable -H
# --verbose -v =increase verbosity
# --help -? =this help
ZPIOS_CMD="${ZPIOS} \
--load=dmuio \
--pool=${ZPOOL_NAME} \
--name=${ZPOOL_CONFIG} \
--threadcount=4 \
--regioncount=1024 \
--regionsize=4M \
--chunksize=1M \
--offset=4M \
--cleanup \
--human-readable \
${ZPIOS_OPTIONS}"
zpios_start() {
if [ ${VERBOSE} ]; then
ZPIOS_CMD="${ZPIOS_CMD} --verbose"
echo ${ZPIOS_CMD}
fi
${ZPIOS_CMD} || exit 1
}
zpios_stop() {
[ ${VERBOSE} ] && echo
}

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scripts/zpios-test/large-thread-survey.sh Symbolic link
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1x256th-65536rc-4rs-1cs-4off.sh

1
scripts/zpios-test/large.sh Symbolic link
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256th-65536rc-4rs-1cs-4off.sh

1
scripts/zpios-test/medium.sh Symbolic link
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16th-8192rc-4rs-1cs-4off.sh

1
scripts/zpios-test/small.sh Symbolic link
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4th-1024rc-4rs-1cs-4off.sh

1
scripts/zpios-test/tiny.sh Symbolic link
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1th-16rc-4rs-1cs-4off.sh

272
scripts/zpios.sh Executable file
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#!/bin/bash
#
# Wrapper script for easily running zpios based tests
#
basedir="$(dirname $0)"
SCRIPT_COMMON=common.sh
if [ -f "${basedir}/${SCRIPT_COMMON}" ]; then
. "${basedir}/${SCRIPT_COMMON}"
else
echo "Missing helper script ${SCRIPT_COMMON}" && exit 1
fi
PROG=zpios.sh
DATE=`date +%Y%m%d-%H%M%S`
if [ "${ZPIOS_MODULES}" ]; then
MODULES=(${ZPIOS_MODULES[*]})
else
MODULES=(zpios)
fi
usage() {
cat << EOF
USAGE:
$0 [hvp] <-c config> <-t test>
DESCRIPTION:
Helper script for easy zpios benchmarking.
OPTIONS:
-h Show this message
-v Verbose
-f Force everything
-p Enable profiling
-c Zpool configuration
-t Zpios test
-o Additional zpios options
-l Additional zpool options
-s Additional zfs options
EOF
}
print_header() {
echo --------------------- ZPIOS RESULTS ----------------------------
echo -n "Date: "; date
echo -n "Kernel: "; uname -r
dmesg | grep "Loaded Solaris Porting Layer" | tail -n1
dmesg | grep "Loaded ZFS Filesystem" | tail -n1
echo
}
print_spl_info() {
echo --------------------- SPL Tunings ------------------------------
${SYSCTL} -A | grep spl
if [ -d /sys/module/spl/parameters ]; then
grep [0-9] /sys/module/spl/parameters/*
else
grep [0-9] /sys/module/spl/*
fi
echo
}
print_zfs_info() {
echo --------------------- ZFS Tunings ------------------------------
${SYSCTL} -A | grep zfs
if [ -d /sys/module/zfs/parameters ]; then
grep [0-9] /sys/module/zfs/parameters/*
else
grep [0-9] /sys/module/zfs/*
fi
echo
}
print_stats() {
echo ---------------------- Statistics -------------------------------
${SYSCTL} -A | grep spl | grep stack_max
if [ -d /proc/spl/kstat/ ]; then
if [ -f /proc/spl/kstat/zfs/arcstats ]; then
echo "* ARC"
cat /proc/spl/kstat/zfs/arcstats
echo
fi
if [ -f /proc/spl/kstat/zfs/vdev_cache_stats ]; then
echo "* VDEV Cache"
cat /proc/spl/kstat/zfs/vdev_cache_stats
echo
fi
fi
if [ -f /proc/spl/kmem/slab ]; then
echo "* SPL SLAB"
cat /proc/spl/kmem/slab
echo
fi
echo
}
check_test() {
if [ ! -f ${ZPIOS_TEST} ]; then
local NAME=`basename ${ZPIOS_TEST} .sh`
ERROR="Unknown test '${NAME}', available tests are:\n"
for TST in `ls ${ZPIOSDIR}/ | grep ".sh"`; do
local NAME=`basename ${TST} .sh`
ERROR="${ERROR}${NAME}\n"
done
return 1
fi
return 0
}
zpios_profile_config() {
cat > ${PROFILE_DIR}/zpios-config.sh << EOF
#
# Zpios Profiling Configuration
#
PROFILE_DIR=/tmp/zpios/${ZPOOL_CONFIG}+${ZPIOS_TEST_ARG}+${DATE}
PROFILE_PRE=${ZPIOSPROFILEDIR}/zpios-profile-pre.sh
PROFILE_POST=${ZPIOSPROFILEDIR}/zpios-profile-post.sh
PROFILE_USER=${ZPIOSPROFILEDIR}/zpios-profile.sh
PROFILE_PIDS=${ZPIOSPROFILEDIR}/zpios-profile-pids.sh
PROFILE_DISK=${ZPIOSPROFILEDIR}/zpios-profile-disk.sh
PROFILE_ARC_PROC=/proc/spl/kstat/zfs/arcstats
PROFILE_VDEV_CACHE_PROC=/proc/spl/kstat/zfs/vdev_cache_stats
OPROFILE_KERNEL="/boot/vmlinux-`uname -r`"
OPROFILE_KERNEL_DIR="/lib/modules/`uname -r`/kernel/"
OPROFILE_SPL_DIR=${SPLBUILD}/module/
OPROFILE_ZFS_DIR=${MODDIR}
EOF
}
zpios_profile_start() {
PROFILE_DIR=/tmp/zpios/${ZPOOL_CONFIG}+${ZPIOS_TEST_ARG}+${DATE}
mkdir -p ${PROFILE_DIR}
zpios_profile_config
. ${PROFILE_DIR}/zpios-config.sh
ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --log=${PROFILE_DIR}"
ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --prerun=${PROFILE_PRE}"
ZPIOS_OPTIONS="${ZPIOS_OPTIONS} --postrun=${PROFILE_POST}"
/usr/bin/opcontrol --init
/usr/bin/opcontrol --setup --vmlinux=${OPROFILE_KERNEL}
}
zpios_profile_stop() {
/usr/bin/opcontrol --shutdown
/usr/bin/opcontrol --deinit
}
PROFILE=
ZPOOL_CONFIG=zpool-config.sh
ZPIOS_TEST=zpios-test.sh
ZPOOL_NAME=zpios
ZPIOS_OPTIONS=
ZPOOL_OPTIONS=""
ZFS_OPTIONS=""
while getopts 'hvfpc:t:o:l:s:' OPTION; do
case $OPTION in
h)
usage
exit 1
;;
v)
VERBOSE=1
VERBOSE_FLAG="-v"
;;
f)
FORCE=1
FORCE_FLAG="-f"
;;
p)
PROFILE=1
;;
c)
ZPOOL_CONFIG=${OPTARG}
;;
t)
ZPIOS_TEST_ARG=${OPTARG}
ZPIOS_TEST=${ZPIOSDIR}/${OPTARG}.sh
;;
o)
ZPIOS_OPTIONS=${OPTARG}
;;
l) # Passed through to zpool-create.sh
ZPOOL_OPTIONS=${OPTARG}
;;
s) # Passed through to zpool-create.sh
ZFS_OPTIONS=${OPTARG}
;;
?)
usage
exit
;;
esac
done
if [ $(id -u) != 0 ]; then
die "Must run as root"
fi
# Validate and source your test config
check_test || die "${ERROR}"
. ${ZPIOS_TEST}
# Pull in the zpios test module is not loaded. If this fails it is
# likely because the full module stack was not yet loaded with zfs.sh
if check_modules; then
if ! load_modules; then
die "Run 'zfs.sh' to ensure the full module stack is loaded"
fi
fi
# Wait for device creation
while [ ! -c /dev/zpios ]; do
sleep 1
done
if [ ${VERBOSE} ]; then
print_header
print_spl_info
print_zfs_info
fi
# Create the zpool configuration
${ZPOOL_CREATE_SH} ${VERBOSE_FLAG} ${FORCE_FLAG} \
-p ${ZPOOL_NAME} -c ${ZPOOL_CONFIG} \
-l "${ZPOOL_OPTIONS}" -s "${ZFS_OPTIONS}" || exit 1
if [ ${PROFILE} ]; then
zpios_profile_start
fi
zpios_start
zpios_stop
if [ ${PROFILE} ]; then
zpios_profile_stop
fi
if [ ${VERBOSE} ]; then
print_stats
fi
# Destroy the zpool configuration
${ZPOOL_CREATE_SH} ${VERBOSE_FLAG} ${FORCE_FLAG} \
-p ${ZPOOL_NAME} -c ${ZPOOL_CONFIG} -d || exit 1
# Unload the test module stack and wait for device removal
unload_modules
while [ -c /dev/zpios ]; do
sleep 1
done
exit 0