diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/context_tracking.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index c178226..247091b 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -20,6 +20,9 @@ #include <linux/hardirq.h> #include <linux/export.h> +#define CREATE_TRACE_POINTS +#include <trace/events/context_tracking.h> + struct static_key context_tracking_enabled = STATIC_KEY_INIT_FALSE; EXPORT_SYMBOL_GPL(context_tracking_enabled); @@ -64,6 +67,7 @@ void context_tracking_user_enter(void) local_irq_save(flags); if ( __this_cpu_read(context_tracking.state) != IN_USER) { if (__this_cpu_read(context_tracking.active)) { + trace_user_enter(0); /* * At this stage, only low level arch entry code remains and * then we'll run in userspace. We can assume there won't be @@ -159,6 +163,7 @@ void context_tracking_user_exit(void) */ rcu_user_exit(); vtime_user_exit(current); + trace_user_exit(0); } __this_cpu_write(context_tracking.state, IN_KERNEL); } |