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path: root/kernel/trace/trace_sched_switch.c
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Diffstat (limited to 'kernel/trace/trace_sched_switch.c')
-rw-r--r--kernel/trace/trace_sched_switch.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index e0b06db0f7a..c7fa08a5b7f 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -26,6 +26,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
unsigned long flags;
long disabled;
int cpu;
+ int pc;
if (!atomic_read(&sched_ref))
return;
@@ -36,13 +37,14 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
if (!tracer_enabled)
return;
+ pc = preempt_count();
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = ctx_trace->data[cpu];
disabled = atomic_inc_return(&data->disabled);
if (likely(disabled == 1))
- tracing_sched_switch_trace(ctx_trace, data, prev, next, flags);
+ tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc);
atomic_dec(&data->disabled);
local_irq_restore(flags);
@@ -54,11 +56,12 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
struct trace_array_cpu *data;
unsigned long flags;
long disabled;
- int cpu;
+ int cpu, pc;
if (!likely(tracer_enabled))
return;
+ pc = preempt_count();
tracing_record_cmdline(current);
local_irq_save(flags);
@@ -68,7 +71,7 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
if (likely(disabled == 1))
tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
- flags);
+ flags, pc);
atomic_dec(&data->disabled);
local_irq_restore(flags);