Evolution-X-Devices/kernel_google_wahoo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

DEBUG: schedtune: add tracepoint for schedtune_tasks_update() values

Browse Source 
Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>
This commit is contained in:
Patrick Bellasi
2015-06-24 15:36:08 +01:00
committed by Leo Yan
parent a09a25c5df
commit fed95d9ef1
2 changed files with 73 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
include/trace/events/sched.h
View File

@@ -702,6 +702,68 @@ TRACE_EVENT(sched_boost_cpu,
__entry->margin)
);
/*
* Tracepoint for schedtune_tasks_update
*/
TRACE_EVENT(sched_tune_tasks_update,
TP_PROTO(struct task_struct *tsk, int cpu, int tasks, int idx,
unsigned int boost, unsigned int max_boost),
TP_ARGS(tsk, cpu, tasks, idx, boost, max_boost),
TP_STRUCT__entry(
__array( char, comm, TASK_COMM_LEN )
__field( pid_t, pid )
__field( int, cpu )
__field( int, tasks )
__field( int, idx )
__field( unsigned int, boost )
__field( unsigned int, max_boost )
),
TP_fast_assign(
memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
__entry->pid = tsk->pid;
__entry->cpu = cpu;
__entry->tasks = tasks;
__entry->idx = idx;
__entry->boost = boost;
__entry->max_boost = max_boost;
),
TP_printk("pid=%d comm=%s "
"cpu=%d tasks=%d idx=%d boost=%u max_boost=%u",
__entry->pid, __entry->comm,
__entry->cpu, __entry->tasks, __entry->idx,
__entry->boost, __entry->max_boost)
);
/*
* Tracepoint for schedtune_boostgroup_update
*/
TRACE_EVENT(sched_tune_boostgroup_update,
TP_PROTO(int cpu, int variation, int max_boost),
TP_ARGS(cpu, variation, max_boost),
TP_STRUCT__entry(
__field( int, cpu )
__field( int, variation )
__field( int, max_boost )
),
TP_fast_assign(
__entry->cpu = cpu;
__entry->variation = variation;
__entry->max_boost = max_boost;
),
TP_printk("cpu=%d variation=%d max_boost=%d",
__entry->cpu, __entry->variation, __entry->max_boost)
);
#endif /* _TRACE_SCHED_H */
/* This part must be outside protection */

12
kernel/sched/tune.c
View File

@@ -264,12 +264,18 @@ schedtune_boostgroup_update(int idx, int boost)
/* Check if this update increase current max */
if (boost > cur_boost_max && bg->group[idx].tasks) {
bg->boost_max = boost;
trace_sched_tune_boostgroup_update(cpu, 1, bg->boost_max);
continue;
}
/* Check if this update has decreased current max */
if (cur_boost_max == old_boost && old_boost > boost)
if (cur_boost_max == old_boost && old_boost > boost) {
schedtune_cpu_update(cpu);
trace_sched_tune_boostgroup_update(cpu, -1, bg->boost_max);
continue;
}
trace_sched_tune_boostgroup_update(cpu, 0, bg->boost_max);
}
return 0;
@@ -293,6 +299,10 @@ schedtune_tasks_update(struct task_struct *p, int cpu, int idx, int task_count)
tasks = bg->group[idx].tasks;
if (tasks == 1 || tasks == 0)
schedtune_cpu_update(cpu);
trace_sched_tune_tasks_update(p, cpu, tasks, idx,
bg->group[idx].boost, bg->boost_max);
}
/*