Richard Yao 3236c0b891 Cache dbuf_hash() calculation ...

We currently compute a 64-bit hash three times, which consumes 0.8% CPU
time on ARC eviction heavy workloads. Caching the 64-bit value in the
dbuf allows us to avoid that overhead.

Sponsored-By: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Richard Yao <richard.yao@klarasystems.com>
Closes #14251

2022-12-13 17:29:21 -08:00

..

os

Linux PPC: Fix build failures on kernels built without CONFIG_SPE

2022-12-09 10:51:23 -08:00

sys

Cache dbuf_hash() calculation

2022-12-13 17:29:21 -08:00

.gitignore

OpenZFS restructuring - move platform specific sources

2019-09-06 11:26:26 -07:00

cityhash.h

libzfs: convert to -fvisibility=hidden

2021-06-03 13:17:55 -07:00

libnvpair.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

libuutil_common.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

libuutil_impl.h

libuutil: deobfuscate internal pointers

2022-11-03 09:57:05 -07:00

libuutil.h

Cleanup: Remove unused uu_pname code

2022-09-19 17:33:52 -07:00

libzfs_core.h

Implement a new type of zfs receive: corrective receive (-c)

2022-07-28 15:52:46 -07:00

libzfs.h

zfs list: Allow more fields in ZFS_ITER_SIMPLE mode

2022-12-13 17:27:54 -08:00

libzfsbootenv.h

lib{efi,avl,share,tpool,zfs_core,zfsbootenv,zutil}: -fvisibility=hidden

2021-06-09 17:04:32 -07:00

libzutil.h

Expose libzutil error info in libpc_handle_t

2022-10-04 09:54:35 -07:00

Makefile.am

Cleanup dead spa_boot code

2022-09-13 16:40:10 -07:00

thread_pool.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

zfeature_common.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

zfs_comutil.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

zfs_deleg.h

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2022-07-11 14:16:13 -07:00

zfs_fletcher.h

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2022-07-11 14:16:13 -07:00

zfs_namecheck.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00

zfs_prop.h

Replace dead opensolaris.org license link

2022-07-11 14:16:13 -07:00