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authorWaiman Long <longman@redhat.com>2019-04-05 18:39:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-04-05 16:02:31 -1000
commitbe87ab0afd680ac35486d16c0963c56d9be1d8a0 (patch)
tree228934ed65cbf0fb3e1c9fc50151d78742ad02ac /mm
parentc6f3c5ee40c10bb65725047a220570f718507001 (diff)
downloadlinux-be87ab0afd680ac35486d16c0963c56d9be1d8a0.tar.bz2
psi: clarify the units used in pressure files
The output of the PSI files show a bunch of numbers with no unit. The psi.txt documentation file also does not indicate what units are used. One can only find out by looking at the source code. The units are percentage for the averages and useconds for the total. Make the information easier to find by documenting the units in psi.txt. Link: http://lkml.kernel.org/r/20190402193810.3450-1-longman@redhat.com Signed-off-by: Waiman Long <longman@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
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