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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2019-03-05 15:50:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-05 21:07:21 -0800 |
| commit | 5713f35c0575a1137b705e13d10f8ee58f2ec7e8 (patch) | |
| tree | 9d462a814259b9defab8310b8a4ac0f1a5d54270 /fs/proc/base.c | |
| parent | 867aaccf1f2c35eff4706ea69299f731f2a1953e (diff) | |
| download | blackbird-op-linux-5713f35c0575a1137b705e13d10f8ee58f2ec7e8.tar.gz blackbird-op-linux-5713f35c0575a1137b705e13d10f8ee58f2ec7e8.zip | |
proc: read kernel cpu stat pointer once
Help gcc generate better code:
$ ./scripts/bloat-o-meter ../vmlinux-000 ../vmlinux-001
add/remove: 2/2 grow/shrink: 0/1 up/down: 92/-142 (-50)
Function old new delta
get_iowait_time.isra - 46 +46
get_idle_time.isra - 46 +46
show_stat 1489 1477 -12
get_iowait_time 65 - -65
get_idle_time 65 - -65
Link: http://lkml.kernel.org/r/20190114195907.GA9680@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/base.c')
0 files changed, 0 insertions, 0 deletions
