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| author | SeongJae Park <sj@kernel.org> | 2021-12-11 01:46:25 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-11 04:10:55 +0300 |
| commit | 70e9274805fccfd175d0431a947bfd11ee7df40e (patch) | |
| tree | 9f151d5be10357c1287d79fe8ef2456d5cad2681 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | e4779015fd5d2fb8390c258268addff24d6077c7 (diff) | |
| download | linux-70e9274805fccfd175d0431a947bfd11ee7df40e.tar.xz | |
mm/damon/core: fix fake load reports due to uninterruptible sleeps
Because DAMON sleeps in uninterruptible mode, /proc/loadavg reports fake
load while DAMON is turned on, though it is doing nothing. This can
confuse users[1]. To avoid the case, this commit makes DAMON sleeps in
idle mode.
[1] https://lore.kernel.org/all/11868371.O9o76ZdvQC@natalenko.name/
Link: https://lkml.kernel.org/r/20211126145015.15862-3-sj@kernel.org
Fixes: 2224d8485492 ("mm: introduce Data Access MONitor (DAMON)")
Reported-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: SeongJae Park <sj@kernel.org>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions