Add service level changes to sched_trace.

Record when tasks get a new service level.

1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/sched_trace.h b/include/linux/sched_trace.h
index 47cd4ed5e0..da1e59e5bb 100644
--- a/include/linux/sched_trace.h
+++ b/include/linux/sched_trace.h
@@ -15,6 +15,7 @@ typedef enum {
         ST_JOB_COMPLETION       = 6,
         ST_CAPACITY_RELEASE     = 7,
         ST_CAPACITY_ALLOCATION  = 8,
+        ST_SERVICE_LEVEL_CHANGE = 9
 } trace_type_t;
 
 typedef struct {
@@ -87,6 +88,12 @@ typedef struct {
         pid_t                   donor;
 } cap_allocation_record_t;
 
+typedef struct {
+        trace_header_t          header;
+        task_info_t             task;
+        service_level_t         new_level;
+} service_level_change_record_t;
+
 #ifdef CONFIG_SCHED_TASK_TRACE
 void sched_trace_scheduler_invocation(void);
 
@@ -118,6 +125,9 @@ void sched_trace_server_completion(int id, unsigned int budget,
 void sched_trace_server_scheduled(int id, task_class_t class,
                                   unsigned int budget, jiffie_t deadline);
 
+void sched_trace_service_level_change(struct task_struct* t);
+                                      
+
 #else
 #define sched_trace_scheduler_invocation(x)
 
@@ -134,6 +144,9 @@ void sched_trace_server_scheduled(int id, task_class_t class,
 #define sched_trace_server_release(id, wcet, period, class)
 #define sched_trace_server_completion(id, budget, deadline, class)
 #define sched_trace_server_scheduled(id, class, budget, deadline)
+
+#define sched_trace_service_level_change(t)
+
 #endif