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ANDROID: vendor_hooks: Add hooks for account process tick

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Add a hook in account_process_tick, which help us to get information
about the high load task and the cpu they running on.

Bug: 183260319
Change-Id: I54162ce3c65bd69e08d2d4747e4d4883efe4c442
Signed-off-by: Liujie Xie <xieliujie@oppo.com>
This commit is contained in:
Liujie Xie
2023-05-15 11:30:56 +08:00
committed by Treehugger Robot
parent 32ff609a32
commit c92b19e8e4
3 changed files with 6 additions and 0 deletions
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4
include/trace/hooks/sched.h
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@@ -351,6 +351,10 @@ DECLARE_HOOK(android_vh_account_process_tick_gran,
TP_PROTO(int user_tick, int *ticks),
TP_ARGS(user_tick, ticks));
DECLARE_HOOK(android_vh_account_task_time,
TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick, int ticks),
TP_ARGS(p, rq, user_tick, ticks));
/* macro versions of hooks are no longer required */
#endif /* _TRACE_HOOK_SCHED_H */

1
kernel/sched/cputime.c
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@@ -507,6 +507,7 @@ void account_process_tick(struct task_struct *p, int user_tick)
if (vtime_accounting_enabled_this_cpu())
return;
trace_android_vh_account_task_time(p, this_rq(), user_tick, ticks);
if (sched_clock_irqtime) {
irqtime_account_process_tick(p, user_tick, ticks);

1
kernel/sched/vendor_hooks.c
View File

@@ -90,3 +90,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_map_util_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_cpus_allowed_comm);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_setaffinity_early);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_process_tick_gran);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_task_time);