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(parent: 23c9519) | patch
sched/debug: Add new tracepoint to track compute energy computation
authorQais Yousef <qyousef@layalina.io>
Sat, 16 Sep 2023 23:29:55 +0000 (00:29 +0100)
committerIngo Molnar <mingo@kernel.org>
Fri, 29 Sep 2023 08:29:18 +0000 (10:29 +0200)
commit15874a3d27e6405e9d17595f83bd3ca1b6cab16d
treeae403709ec64172463eece37a3d92ded7497e890tree
parent23c9519def98ee0fa97ea5871535e9b136f522fccommit | diff
sched/debug: Add new tracepoint to track compute energy computation

It was useful to track feec() placement decision and debug the spare
capacity and optimization issues vs uclamp_max.

Signed-off-by: Qais Yousef (Google) <qyousef@layalina.io>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230916232955.2099394-4-qyousef@layalina.io
include/trace/events/sched.h diff | blob | history
kernel/sched/core.c diff | blob | history
kernel/sched/fair.c diff | blob | history
XArray, radix tree and IDR