diff options
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 436a93bae9e0..a56b1adcc94f 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -20,6 +20,8 @@ #include <linux/gfp.h> #include <linux/suspend.h> +#include <trace/events/sched.h> + #include "smpboot.h" #ifdef CONFIG_SMP @@ -357,6 +359,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) out_release: cpu_hotplug_done(); + trace_sched_cpu_hotplug(cpu, err, 0); if (!err) cpu_notify_nofail(CPU_POST_DEAD | mod, hcpu); return err; @@ -432,6 +435,7 @@ out_notify: __cpu_notify(CPU_UP_CANCELED | mod, hcpu, nr_calls, NULL); out: cpu_hotplug_done(); + trace_sched_cpu_hotplug(cpu, ret, 1); return ret; } |