diff options
Diffstat (limited to 'kernel/sched/cpufreq_sched.c')
| -rw-r--r-- | kernel/sched/cpufreq_sched.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sched/cpufreq_sched.c b/kernel/sched/cpufreq_sched.c index 9f21c308ef72..c72537c0c500 100644 --- a/kernel/sched/cpufreq_sched.c +++ b/kernel/sched/cpufreq_sched.c @@ -14,6 +14,9 @@ #include <linux/delay.h> #include <linux/string.h> +#define CREATE_TRACE_POINTS +#include <trace/events/cpufreq_sched.h> + #include "sched.h" #define THROTTLE_NSEC 50000000 /* 50ms default */ @@ -78,6 +81,7 @@ static bool finish_last_request(struct gov_data *gd) int usec_left = ktime_to_ns(ktime_sub(gd->throttle, now)); usec_left /= NSEC_PER_USEC; + trace_cpufreq_sched_throttled(usec_left); usleep_range(usec_left, usec_left + 100); now = ktime_get(); if (ktime_after(now, gd->throttle)) @@ -188,6 +192,9 @@ static void update_fdomain_capacity_request(int cpu) goto out; freq_new = policy->freq_table[index_new].frequency; + trace_cpufreq_sched_request_opp(cpu, capacity, freq_new, + gd->requested_freq); + if (freq_new == gd->requested_freq) goto out; @@ -224,6 +231,8 @@ void update_cpu_capacity_request(int cpu, bool request) if (new_capacity == scr->total) return; + trace_cpufreq_sched_update_capacity(cpu, request, scr, new_capacity); + scr->total = new_capacity; if (request) update_fdomain_capacity_request(cpu); |