evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

sched: Provide scaled load information for tasks in /proc

Browse source 
Extend "sched" file in /proc for every task to provide information on
scaled load statistics and percentage-scaled based load (load_avg) for
a task. This will be valuable debug aid.

Change-Id: I6ee0394b409c77c7f79f5b9ac560da03dc879758
Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
This commit is contained in:
Srivatsa Vaddagiri 2014-03-31 18:21:26 -07:00 • committed by David Keitel
parent 1bea4eae33
commit bf863e333f
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
kernel/sched/debug.c
View file

@ -571,6 +571,9 @@ static void sched_show_numa(struct task_struct *p, struct seq_file *m)
void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
{
unsigned long nr_switches;
unsigned int load_avg;
load_avg = pct_task_load(p);
SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr(p),
get_nr_threads(p));
@ -622,6 +625,14 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
P(se.statistics.nr_wakeups_passive);
P(se.statistics.nr_wakeups_idle);
#if defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)
__P(load_avg);
#if defined(CONFIG_SCHED_FREQ_INPUT) || defined(CONFIG_SCHED_HMP)
P(ravg.demand);
P(se.avg.runnable_avg_sum_scaled);
#endif
#endif
{
u64 avg_atom, avg_per_cpu;