diff options
| author | Suren Baghdasaryan <surenb@google.com> | 2019-05-15 01:41:02 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-15 05:52:47 +0300 |
| commit | bcc78db64168eb6dede056fed2999f75f7ace309 (patch) | |
| tree | 0e46a380e4ee3cffa4483590b77cbfd326038c02 /include | |
| parent | 9289c5e6a78a5a9397df5fa60eb82b105abcfecf (diff) | |
| download | linux-bcc78db64168eb6dede056fed2999f75f7ace309.tar.xz | |
psi: rename psi fields in preparation for psi trigger addition
Rename psi_group structure member fields used for calculating psi totals
and averages for clear distinction between them and for trigger-related
fields that will be added by "psi: introduce psi monitor".
[surenb@google.com: v6]
Link: http://lkml.kernel.org/r/20190319235619.260832-4-surenb@google.com
Link: http://lkml.kernel.org/r/20190124211518.244221-5-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/psi_types.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h index 762c6bb16f3c..4d1c1f67be18 100644 --- a/include/linux/psi_types.h +++ b/include/linux/psi_types.h @@ -69,17 +69,17 @@ struct psi_group_cpu { }; struct psi_group { - /* Protects data updated during an aggregation */ - struct mutex stat_lock; + /* Protects data used by the aggregator */ + struct mutex avgs_lock; /* Per-cpu task state & time tracking */ struct psi_group_cpu __percpu *pcpu; - /* Periodic aggregation state */ - u64 total_prev[NR_PSI_STATES - 1]; - u64 last_update; - u64 next_update; - struct delayed_work clock_work; + /* Running pressure averages */ + u64 avg_total[NR_PSI_STATES - 1]; + u64 avg_last_update; + u64 avg_next_update; + struct delayed_work avgs_work; /* Total stall times and sampled pressure averages */ u64 total[NR_PSI_STATES - 1]; |