364 lines
9.5 KiB
C
364 lines
9.5 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#pragma ident "%Z%%M% %I% %E% SMI"
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/*
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* Print intent log header and statistics.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <sys/zfs_context.h>
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#include <sys/spa.h>
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#include <sys/dmu.h>
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#include <sys/stat.h>
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#include <sys/resource.h>
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#include <sys/zil.h>
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#include <sys/zil_impl.h>
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extern uint8_t dump_opt[256];
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static void
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print_log_bp(const blkptr_t *bp, const char *prefix)
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{
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char blkbuf[BP_SPRINTF_LEN];
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sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
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(void) printf("%s%s\n", prefix, blkbuf);
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr)
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{
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time_t crtime = lr->lr_crtime[0];
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char *name = (char *)(lr + 1);
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char *link = name + strlen(name) + 1;
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if (txtype == TX_SYMLINK)
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(void) printf("\t\t\t%s -> %s\n", name, link);
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else
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(void) printf("\t\t\t%s\n", name);
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(void) printf("\t\t\t%s", ctime(&crtime));
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(void) printf("\t\t\tdoid %llu, foid %llu, mode %llo\n",
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(u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_foid,
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(longlong_t)lr->lr_mode);
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(void) printf("\t\t\tuid %llu, gid %llu, gen %llu, rdev 0x%llx\n",
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(u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid,
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(u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev);
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_remove(zilog_t *zilog, int txtype, lr_remove_t *lr)
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{
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(void) printf("\t\t\tdoid %llu, name %s\n",
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(u_longlong_t)lr->lr_doid, (char *)(lr + 1));
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_link(zilog_t *zilog, int txtype, lr_link_t *lr)
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{
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(void) printf("\t\t\tdoid %llu, link_obj %llu, name %s\n",
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(u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj,
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(char *)(lr + 1));
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_rename(zilog_t *zilog, int txtype, lr_rename_t *lr)
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{
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char *snm = (char *)(lr + 1);
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char *tnm = snm + strlen(snm) + 1;
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(void) printf("\t\t\tsdoid %llu, tdoid %llu\n",
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(u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid);
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(void) printf("\t\t\tsrc %s tgt %s\n", snm, tnm);
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr)
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{
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char *data, *dlimit;
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blkptr_t *bp = &lr->lr_blkptr;
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char buf[SPA_MAXBLOCKSIZE];
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int verbose = MAX(dump_opt['d'], dump_opt['i']);
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int error;
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(void) printf("\t\t\tfoid %llu, offset 0x%llx,"
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" length 0x%llx, blkoff 0x%llx\n",
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(u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset,
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(u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blkoff);
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if (verbose < 5)
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return;
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if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) {
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(void) printf("\t\t\thas blkptr, %s\n",
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bp->blk_birth >= spa_first_txg(zilog->zl_spa) ?
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"will claim" : "won't claim");
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print_log_bp(bp, "\t\t\t");
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if (bp->blk_birth == 0) {
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bzero(buf, sizeof (buf));
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} else {
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zbookmark_t zb;
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ASSERT3U(bp->blk_cksum.zc_word[ZIL_ZC_OBJSET], ==,
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dmu_objset_id(zilog->zl_os));
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zb.zb_objset = bp->blk_cksum.zc_word[ZIL_ZC_OBJSET];
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zb.zb_object = 0;
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zb.zb_level = -1;
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zb.zb_blkid = bp->blk_cksum.zc_word[ZIL_ZC_SEQ];
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error = zio_wait(zio_read(NULL, zilog->zl_spa,
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bp, buf, BP_GET_LSIZE(bp), NULL, NULL,
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ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb));
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if (error)
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return;
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}
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data = buf + lr->lr_blkoff;
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} else {
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data = (char *)(lr + 1);
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}
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dlimit = data + MIN(lr->lr_length,
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(verbose < 6 ? 20 : SPA_MAXBLOCKSIZE));
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(void) printf("\t\t\t");
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while (data < dlimit) {
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if (isprint(*data))
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(void) printf("%c ", *data);
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else
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(void) printf("%2X", *data);
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data++;
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}
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(void) printf("\n");
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_truncate(zilog_t *zilog, int txtype, lr_truncate_t *lr)
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{
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(void) printf("\t\t\tfoid %llu, offset 0x%llx, length 0x%llx\n",
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(u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset,
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(u_longlong_t)lr->lr_length);
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_setattr(zilog_t *zilog, int txtype, lr_setattr_t *lr)
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{
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time_t atime = (time_t)lr->lr_atime[0];
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time_t mtime = (time_t)lr->lr_mtime[0];
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(void) printf("\t\t\tfoid %llu, mask 0x%llx\n",
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(u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask);
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if (lr->lr_mask & AT_MODE) {
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(void) printf("\t\t\tAT_MODE %llo\n",
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(longlong_t)lr->lr_mode);
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}
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if (lr->lr_mask & AT_UID) {
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(void) printf("\t\t\tAT_UID %llu\n",
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(u_longlong_t)lr->lr_uid);
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}
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if (lr->lr_mask & AT_GID) {
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(void) printf("\t\t\tAT_GID %llu\n",
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(u_longlong_t)lr->lr_gid);
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}
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if (lr->lr_mask & AT_SIZE) {
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(void) printf("\t\t\tAT_SIZE %llu\n",
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(u_longlong_t)lr->lr_size);
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}
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if (lr->lr_mask & AT_ATIME) {
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(void) printf("\t\t\tAT_ATIME %llu.%09llu %s",
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(u_longlong_t)lr->lr_atime[0],
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(u_longlong_t)lr->lr_atime[1],
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ctime(&atime));
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}
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if (lr->lr_mask & AT_MTIME) {
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(void) printf("\t\t\tAT_MTIME %llu.%09llu %s",
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(u_longlong_t)lr->lr_mtime[0],
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(u_longlong_t)lr->lr_mtime[1],
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ctime(&mtime));
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}
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}
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/* ARGSUSED */
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static void
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zil_prt_rec_acl(zilog_t *zilog, int txtype, lr_acl_t *lr)
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{
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(void) printf("\t\t\tfoid %llu, aclcnt %llu\n",
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(u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt);
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}
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typedef void (*zil_prt_rec_func_t)(zilog_t *, int, lr_t *);
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typedef struct zil_rec_info {
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zil_prt_rec_func_t zri_print;
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char *zri_name;
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uint64_t zri_count;
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} zil_rec_info_t;
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static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = {
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{ NULL, "Total " },
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{ zil_prt_rec_create, "TX_CREATE " },
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{ zil_prt_rec_create, "TX_MKDIR " },
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{ zil_prt_rec_create, "TX_MKXATTR " },
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{ zil_prt_rec_create, "TX_SYMLINK " },
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{ zil_prt_rec_remove, "TX_REMOVE " },
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{ zil_prt_rec_remove, "TX_RMDIR " },
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{ zil_prt_rec_link, "TX_LINK " },
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{ zil_prt_rec_rename, "TX_RENAME " },
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{ zil_prt_rec_write, "TX_WRITE " },
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{ zil_prt_rec_truncate, "TX_TRUNCATE " },
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{ zil_prt_rec_setattr, "TX_SETATTR " },
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{ zil_prt_rec_acl, "TX_ACL_V0 " },
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{ zil_prt_rec_acl, "TX_ACL_ACL " },
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{ zil_prt_rec_create, "TX_CREATE_ACL " },
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{ zil_prt_rec_create, "TX_CREATE_ATTR " },
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{ zil_prt_rec_create, "TX_CREATE_ACL_ATTR " },
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{ zil_prt_rec_create, "TX_MKDIR_ACL " },
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{ zil_prt_rec_create, "TX_MKDIR_ATTR " },
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{ zil_prt_rec_create, "TX_MKDIR_ACL_ATTR " },
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};
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/* ARGSUSED */
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static void
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print_log_record(zilog_t *zilog, lr_t *lr, void *arg, uint64_t claim_txg)
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{
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int txtype;
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int verbose = MAX(dump_opt['d'], dump_opt['i']);
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/* reduce size of txtype to strip off TX_CI bit */
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txtype = lr->lrc_txtype;
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ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE);
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ASSERT(lr->lrc_txg);
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(void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n",
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(lr->lrc_txtype & TX_CI) ? "CI-" : "",
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zil_rec_info[txtype].zri_name,
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(u_longlong_t)lr->lrc_reclen,
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(u_longlong_t)lr->lrc_txg,
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(u_longlong_t)lr->lrc_seq);
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if (txtype && verbose >= 3)
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zil_rec_info[txtype].zri_print(zilog, txtype, lr);
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zil_rec_info[txtype].zri_count++;
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zil_rec_info[0].zri_count++;
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}
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/* ARGSUSED */
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static void
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print_log_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg)
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{
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char blkbuf[BP_SPRINTF_LEN];
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int verbose = MAX(dump_opt['d'], dump_opt['i']);
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char *claim;
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if (verbose <= 3)
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return;
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if (verbose >= 5) {
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(void) strcpy(blkbuf, ", ");
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sprintf_blkptr(blkbuf + strlen(blkbuf),
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BP_SPRINTF_LEN - strlen(blkbuf), bp);
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} else {
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blkbuf[0] = '\0';
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}
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if (claim_txg != 0)
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claim = "already claimed";
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else if (bp->blk_birth >= spa_first_txg(zilog->zl_spa))
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claim = "will claim";
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else
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claim = "won't claim";
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(void) printf("\tBlock seqno %llu, %s%s\n",
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(u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf);
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}
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static void
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print_log_stats(int verbose)
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{
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int i, w, p10;
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if (verbose > 3)
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(void) printf("\n");
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if (zil_rec_info[0].zri_count == 0)
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return;
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for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10)
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w++;
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for (i = 0; i < TX_MAX_TYPE; i++)
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if (zil_rec_info[i].zri_count || verbose >= 3)
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(void) printf("\t\t%s %*llu\n",
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zil_rec_info[i].zri_name, w,
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(u_longlong_t)zil_rec_info[i].zri_count);
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(void) printf("\n");
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}
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/* ARGSUSED */
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void
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dump_intent_log(zilog_t *zilog)
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{
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const zil_header_t *zh = zilog->zl_header;
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int verbose = MAX(dump_opt['d'], dump_opt['i']);
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int i;
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if (zh->zh_log.blk_birth == 0 || verbose < 2)
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return;
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(void) printf("\n ZIL header: claim_txg %llu, seq %llu\n",
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(u_longlong_t)zh->zh_claim_txg, (u_longlong_t)zh->zh_replay_seq);
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if (verbose >= 4)
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print_log_bp(&zh->zh_log, "\n\tfirst block: ");
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for (i = 0; i < TX_MAX_TYPE; i++)
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zil_rec_info[i].zri_count = 0;
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if (verbose >= 2) {
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(void) printf("\n");
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(void) zil_parse(zilog, print_log_block, print_log_record, NULL,
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zh->zh_claim_txg);
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print_log_stats(verbose);
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}
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}
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