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Diffstat (limited to 'include/trace/events/sched.h')
-rw-r--r--include/trace/events/sched.h140
1 files changed, 136 insertions, 4 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 8949bb7eb08..4069c43f418 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -94,6 +94,7 @@ TRACE_EVENT(sched_wakeup,
__field( pid_t, pid )
__field( int, prio )
__field( int, success )
+ __field( int, cpu )
),
TP_fast_assign(
@@ -101,11 +102,12 @@ TRACE_EVENT(sched_wakeup,
__entry->pid = p->pid;
__entry->prio = p->prio;
__entry->success = success;
+ __entry->cpu = task_cpu(p);
),
- TP_printk("task %s:%d [%d] success=%d",
+ TP_printk("task %s:%d [%d] success=%d [%03d]",
__entry->comm, __entry->pid, __entry->prio,
- __entry->success)
+ __entry->success, __entry->cpu)
);
/*
@@ -125,6 +127,7 @@ TRACE_EVENT(sched_wakeup_new,
__field( pid_t, pid )
__field( int, prio )
__field( int, success )
+ __field( int, cpu )
),
TP_fast_assign(
@@ -132,11 +135,12 @@ TRACE_EVENT(sched_wakeup_new,
__entry->pid = p->pid;
__entry->prio = p->prio;
__entry->success = success;
+ __entry->cpu = task_cpu(p);
),
- TP_printk("task %s:%d [%d] success=%d",
+ TP_printk("task %s:%d [%d] success=%d [%03d]",
__entry->comm, __entry->pid, __entry->prio,
- __entry->success)
+ __entry->success, __entry->cpu)
);
/*
@@ -340,6 +344,134 @@ TRACE_EVENT(sched_signal_send,
__entry->sig, __entry->comm, __entry->pid)
);
+/*
+ * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
+ * adding sched_stat support to SCHED_FIFO/RR would be welcome.
+ */
+
+/*
+ * Tracepoint for accounting wait time (time the task is runnable
+ * but not actually running due to scheduler contention).
+ */
+TRACE_EVENT(sched_stat_wait,
+
+ TP_PROTO(struct task_struct *tsk, u64 delay),
+
+ TP_ARGS(tsk, delay),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( u64, delay )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __entry->pid = tsk->pid;
+ __entry->delay = delay;
+ )
+ TP_perf_assign(
+ __perf_count(delay);
+ ),
+
+ TP_printk("task: %s:%d wait: %Lu [ns]",
+ __entry->comm, __entry->pid,
+ (unsigned long long)__entry->delay)
+);
+
+/*
+ * Tracepoint for accounting runtime (time the task is executing
+ * on a CPU).
+ */
+TRACE_EVENT(sched_stat_runtime,
+
+ TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
+
+ TP_ARGS(tsk, runtime, vruntime),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( u64, runtime )
+ __field( u64, vruntime )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __entry->pid = tsk->pid;
+ __entry->runtime = runtime;
+ __entry->vruntime = vruntime;
+ )
+ TP_perf_assign(
+ __perf_count(runtime);
+ ),
+
+ TP_printk("task: %s:%d runtime: %Lu [ns], vruntime: %Lu [ns]",
+ __entry->comm, __entry->pid,
+ (unsigned long long)__entry->runtime,
+ (unsigned long long)__entry->vruntime)
+);
+
+/*
+ * Tracepoint for accounting sleep time (time the task is not runnable,
+ * including iowait, see below).
+ */
+TRACE_EVENT(sched_stat_sleep,
+
+ TP_PROTO(struct task_struct *tsk, u64 delay),
+
+ TP_ARGS(tsk, delay),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( u64, delay )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __entry->pid = tsk->pid;
+ __entry->delay = delay;
+ )
+ TP_perf_assign(
+ __perf_count(delay);
+ ),
+
+ TP_printk("task: %s:%d sleep: %Lu [ns]",
+ __entry->comm, __entry->pid,
+ (unsigned long long)__entry->delay)
+);
+
+/*
+ * Tracepoint for accounting iowait time (time the task is not runnable
+ * due to waiting on IO to complete).
+ */
+TRACE_EVENT(sched_stat_iowait,
+
+ TP_PROTO(struct task_struct *tsk, u64 delay),
+
+ TP_ARGS(tsk, delay),
+
+ TP_STRUCT__entry(
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ __field( u64, delay )
+ ),
+
+ TP_fast_assign(
+ memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __entry->pid = tsk->pid;
+ __entry->delay = delay;
+ )
+ TP_perf_assign(
+ __perf_count(delay);
+ ),
+
+ TP_printk("task: %s:%d iowait: %Lu [ns]",
+ __entry->comm, __entry->pid,
+ (unsigned long long)__entry->delay)
+);
+
#endif /* _TRACE_SCHED_H */
/* This part must be outside protection */