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behlendo ff449ac406 Further slab improvements, I'm getting close to something which works 
well for the expected workloads.  Improvement in this commit include:

- Added DEBUG_KMEM_TRACKING #define which can optionally be set
  when DEBUG_KMEM is defined to do per allocation tracking.  This
  allows us to get all the lightweight kmem debugging enabled by
  default which is pretty light weight, and only when looking 
  for a memory leak we can briefly enable the per alloc tracking.

- Added set_normalized_timespec() in to SPL to simply using
  the timespec() primatives from within a module.

- Added per-spinlock cycle counters to the slab in an attempt
  to run down a lock contention issue.  The contended lock 
  was in vmalloc() but I'm going to leave the cycle counters
  in place for a little while until I'm convinced there arn't
  other locking improvement possible in the slab.

- Added a proc interface to the slab to export per slab
  cache statistics to /proc/spl/kmem/slab for analysis.

- Reworked spl_slab_alloc() function to allocate from kmem for
  small allocation and vmem for large allocations.  This improved
  things considerably but futher work is needed.



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@138 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
 		2008-06-27 21:40:11 +00:00
..
fm - Add some more missing headers 2008-03-12 23:48:28 +00:00
fs Checkpoint for the night, 2008-03-05 00:58:54 +00:00
sysevent - Add some more missing headers 2008-03-12 23:48:28 +00:00
Makefile.am Remove spl.h, just include the headers you need. 2008-03-04 20:06:29 +00:00
acl.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
acl_impl.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
atomic.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
attr.h Just filling in more of the env. 2008-03-08 00:58:32 +00:00
buf.h SPL additions to increase support for updated ZFS build 2008-05-15 23:39:19 +00:00
byteorder.h - Add some more missing headers 2008-03-12 23:48:28 +00:00
callb.h - Properly fix the debug support for all the ASSERT's, VERIFIES, etc can be 2008-05-19 02:49:12 +00:00
cmn_err.h Add some typedefs to make it clearer when we passing a function, 2008-03-10 19:25:20 +00:00
condvar.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
cred.h Missing headers, more minor fixes 2008-03-15 00:05:38 +00:00
ctype.h Checkpoint for the night, 2008-03-05 00:58:54 +00:00
ddi.h Drop unicode support, provided in ZFS tree libport 2008-03-13 19:49:09 +00:00
debug.h Add missing () to quiet warnings in NDEBUG case 2008-06-04 22:52:13 +00:00
dkio.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
dklabel.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
dnlc.h Checkpoint for the night, 2008-03-05 00:58:54 +00:00
dumphdr.h SPL additions to increase support for updated ZFS build 2008-05-15 23:39:19 +00:00
errno.h Stub out some missing headers which are expected. I'll fill 2008-03-01 18:30:12 +00:00
file.h OK, a first reasonable attempt at a solaris module/chdev shim layer. 2008-03-20 23:30:15 +00:00
int_limits.h Stub out some missing headers which are expected. I'll fill 2008-03-01 18:30:12 +00:00
int_types.h Checkpoint for the night, 2008-03-05 00:58:54 +00:00
inttypes.h Remove spl.h, just include the headers you need. 2008-03-04 20:06:29 +00:00
isa_defs.h Double large kmalloc warning size to 4 pages. It was 2 pages, and ideally 2008-04-01 16:09:18 +00:00
kidmap.h Apply fix from bug239 for rwlock deadlock. 2008-03-11 20:54:40 +00:00
kmem.h Further slab improvements, I'm getting close to something which works 2008-06-27 21:40:11 +00:00
kobj.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
kstat.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
mkdev.h Add missing headers 2008-03-14 00:04:01 +00:00
mntent.h Add missing headers 2008-03-14 00:04:01 +00:00
mode.h Add missing headers 2008-03-14 00:04:01 +00:00
mount.h Missing headers, more minor fixes 2008-03-15 00:05:38 +00:00
mutex.h Fixes: 2008-06-04 06:00:46 +00:00
param.h Reorganize /include/ to add a /sys/, this way we don't need to 2008-03-01 00:45:59 +00:00
pathname.h Add missing headers 2008-03-14 00:04:01 +00:00
proc.h Fixes: 2008-06-04 06:00:46 +00:00
random.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
resource.h Add two more missing headers 2008-03-13 20:41:29 +00:00
rwlock.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
sdt.h Missing headers, more minor fixes 2008-03-15 00:05:38 +00:00
sid.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
signal.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
stat.h Add two more missing headers 2008-03-13 20:41:29 +00:00
stropts.h Stub out some missing headers which are expected. I'll fill 2008-03-01 18:30:12 +00:00
sunddi.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
sunldi.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
sysevent.h - Add some more missing headers 2008-03-12 23:48:28 +00:00
sysmacros.h Breaking the world for a little bit. If anyone is going to continue 2008-06-02 17:28:49 +00:00
systeminfo.h Just filling in more of the env. 2008-03-08 00:58:32 +00:00
systm.h Remove spl.h, just include the headers you need. 2008-03-04 20:06:29 +00:00
taskq.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
thread.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
time.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
timer.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
types.h * : modules/sys/kmem-slab.c : Re-implemented the slab to no 2008-06-13 23:41:06 +00:00
types32.h Remove minor lingering CDDL tait of copied headers. Required 2008-03-27 23:40:09 +00:00
uio.h Drop unicode support, provided in ZFS tree libport 2008-03-13 19:49:09 +00:00
unistd.h Add missing headers 2008-03-14 00:04:01 +00:00
utsname.h Update utsname to use proper compatible interface to avoid API issues. 2008-06-03 21:20:18 +00:00
va_list.h Stub out some missing headers which are expected. I'll fill 2008-03-01 18:30:12 +00:00
varargs.h Add somre debugging support 2008-03-08 00:18:21 +00:00
vfs.h Missing headers, more minor fixes 2008-03-15 00:05:38 +00:00
vfs_opreg.h Add missing headers 2008-03-14 00:04:01 +00:00
vmsystm.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
vnode.h Breaking the world for a little bit. If anyone is going to continue 2008-06-02 17:28:49 +00:00
zmod.h Go through and add a header with the proper UCRL number. 2008-05-26 04:38:26 +00:00
zone.h - Add some more missing headers 2008-03-12 23:48:28 +00:00