diff options
Diffstat (limited to 'include/trace/events/sched.h')
-rw-r--r-- | include/trace/events/sched.h | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index dbb01b4b7451..9ea4c404bd4e 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -239,11 +239,11 @@ TRACE_EVENT(sched_switch, ), TP_fast_assign( - memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); + memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); __entry->prev_pid = prev->pid; __entry->prev_prio = prev->prio; __entry->prev_state = __trace_sched_switch_state(preempt, prev_state, prev); - memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN); + memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN); __entry->next_pid = next->pid; __entry->next_prio = next->prio; /* XXX SCHED_DEADLINE */ @@ -411,7 +411,7 @@ TRACE_EVENT(sched_process_exec, ), TP_fast_assign( - __assign_str(filename, bprm->filename); + __assign_str(filename); __entry->pid = p->pid; __entry->old_pid = old_pid; ), @@ -420,6 +420,41 @@ TRACE_EVENT(sched_process_exec, __entry->pid, __entry->old_pid) ); +/** + * sched_prepare_exec - called before setting up new exec + * @task: pointer to the current task + * @bprm: pointer to linux_binprm used for new exec + * + * Called before flushing the old exec, where @task is still unchanged, but at + * the point of no return during switching to the new exec. At the point it is + * called the exec will either succeed, or on failure terminate the task. Also + * see the "sched_process_exec" tracepoint, which is called right after @task + * has successfully switched to the new exec. + */ +TRACE_EVENT(sched_prepare_exec, + + TP_PROTO(struct task_struct *task, struct linux_binprm *bprm), + + TP_ARGS(task, bprm), + + TP_STRUCT__entry( + __string( interp, bprm->interp ) + __string( filename, bprm->filename ) + __field( pid_t, pid ) + __string( comm, task->comm ) + ), + + TP_fast_assign( + __assign_str(interp); + __assign_str(filename); + __entry->pid = task->pid; + __assign_str(comm); + ), + + TP_printk("interp=%s filename=%s pid=%d comm=%s", + __get_str(interp), __get_str(filename), + __entry->pid, __get_str(comm)) +); #ifdef CONFIG_SCHEDSTATS #define DEFINE_EVENT_SCHEDSTAT DEFINE_EVENT @@ -752,7 +787,7 @@ DECLARE_TRACE(pelt_dl_tp, TP_PROTO(struct rq *rq), TP_ARGS(rq)); -DECLARE_TRACE(pelt_thermal_tp, +DECLARE_TRACE(pelt_hw_tp, TP_PROTO(struct rq *rq), TP_ARGS(rq)); |