diff options
| -rw-r--r-- | include/trace/events/sched.h | 34 | ||||
| -rw-r--r-- | kernel/exit.c | 2 |
2 files changed, 31 insertions, 5 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 8994e97d86c1..3bec9fb73a36 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -326,11 +326,37 @@ DEFINE_EVENT(sched_process_template, sched_process_free, TP_ARGS(p)); /* - * Tracepoint for a task exiting: + * Tracepoint for a task exiting. + * Note, it's a superset of sched_process_template and should be kept + * compatible as much as possible. sched_process_exits has an extra + * `group_dead` argument, so sched_process_template can't be used, + * unfortunately, just like sched_migrate_task above. */ -DEFINE_EVENT(sched_process_template, sched_process_exit, - TP_PROTO(struct task_struct *p), - TP_ARGS(p)); +TRACE_EVENT(sched_process_exit, + + TP_PROTO(struct task_struct *p, bool group_dead), + + TP_ARGS(p, group_dead), + + TP_STRUCT__entry( + __array( char, comm, TASK_COMM_LEN ) + __field( pid_t, pid ) + __field( int, prio ) + __field( bool, group_dead ) + ), + + TP_fast_assign( + memcpy(__entry->comm, p->comm, TASK_COMM_LEN); + __entry->pid = p->pid; + __entry->prio = p->prio; /* XXX SCHED_DEADLINE */ + __entry->group_dead = group_dead; + ), + + TP_printk("comm=%s pid=%d prio=%d group_dead=%s", + __entry->comm, __entry->pid, __entry->prio, + __entry->group_dead ? "true" : "false" + ) +); /* * Tracepoint for waiting on task to unschedule: diff --git a/kernel/exit.c b/kernel/exit.c index 1b51dc099f1e..f1db86dcbeb1 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -936,12 +936,12 @@ void __noreturn do_exit(long code) tsk->exit_code = code; taskstats_exit(tsk, group_dead); + trace_sched_process_exit(tsk, group_dead); exit_mm(); if (group_dead) acct_process(); - trace_sched_process_exit(tsk); exit_sem(tsk); exit_shm(tsk); |