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ANDROID: vendor_hooks: Add hooks for account irqtime process tick

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Add a hook in irqtime_account_process_tick, which helps to get
information about the high load task.

Bug: 187904818

Change-Id: I644f7d66b09d047ca6b0a0fbd2915a6387c8c007
Signed-off-by: Liangliang Li <liliangliang@vivo.com>
This commit is contained in:
Liangliang Li
2021-05-12 18:25:07 +08:00
committed by Quentin Perret
parent cf061f35b0
commit fe580539f6
3 changed files with 6 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -238,6 +238,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_chk_contaminant);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_get_vbus);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_store_partner_src_caps);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_task_time);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_irqtime_account_process_tick);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gpio_block_read);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ep_create_wakeup_source);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timerfd_create);

4
include/trace/hooks/sched.h
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@@ -299,6 +299,10 @@ DECLARE_HOOK(android_vh_account_task_time,
TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick),
TP_ARGS(p, rq, user_tick));
DECLARE_HOOK(android_vh_irqtime_account_process_tick,
TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick, int ticks),
TP_ARGS(p, rq, user_tick, ticks));
DECLARE_RESTRICTED_HOOK(android_rvh_post_init_entity_util_avg,
TP_PROTO(struct sched_entity *se),
TP_ARGS(se), 1);

1
kernel/sched/cputime.c
View File

@@ -399,6 +399,7 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick,
} else {
account_system_index_time(p, cputime, CPUTIME_SYSTEM);
}
trace_android_vh_irqtime_account_process_tick(p, this_rq(), user_tick, ticks);
}
static void irqtime_account_idle_ticks(int ticks)