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author | 2023-09-17 00:29:55 +0100 | |
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committer | 2023-09-29 10:29:18 +0200 | |
commit | 15874a3d27e6405e9d17595f83bd3ca1b6cab16d (patch) | |
tree | ae403709ec64172463eece37a3d92ded7497e890 /kernel/sched/core.c | |
parent | sched/uclamp: Ignore (util == 0) optimization in feec() when p_util_max = 0 (diff) | |
download | linux-15874a3d27e6405e9d17595f83bd3ca1b6cab16d.tar.gz linux-15874a3d27e6405e9d17595f83bd3ca1b6cab16d.tar.bz2 linux-15874a3d27e6405e9d17595f83bd3ca1b6cab16d.zip |
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
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r-- | kernel/sched/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 84881a582847..324980e3d2e5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -114,6 +114,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(sched_overutilized_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_cfs_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_se_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_update_nr_running_tp); +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_compute_energy_tp); DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); |