sched: latencytop support

LatencyTOP kernel infrastructure; it measures latencies in the
scheduler and tracks it system wide and per process.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index acadcab89ef9..dfc76e172f3f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -88,6 +88,7 @@ struct sched_param {
 #include <linux/hrtimer.h>
 #include <linux/task_io_accounting.h>
 #include <linux/kobject.h>
+#include <linux/latencytop.h>
 
 #include <asm/processor.h>
 
@@ -1220,6 +1221,10 @@ struct task_struct {
         int make_it_fail;
 #endif
         struct prop_local_single dirties;
+#ifdef CONFIG_LATENCYTOP
+        int latency_record_count;
+        struct latency_record latency_record[LT_SAVECOUNT];
+#endif
 };
 
 /*