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Diffstat (limited to 'include/trace/events/sched.h')
-rw-r--r--include/trace/events/sched.h158
1 files changed, 92 insertions, 66 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 8994e97d86c1..0c7545b4ffbc 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -20,16 +20,16 @@ TRACE_EVENT(sched_kthread_stop,
TP_ARGS(t),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __string( comm, t->comm )
+ __field( pid_t, pid )
),
TP_fast_assign(
- memcpy(__entry->comm, t->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = t->pid;
),
- TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
+ TP_printk("comm=%s pid=%d", __get_str(comm), __entry->pid)
);
/*
@@ -276,15 +276,15 @@ TRACE_EVENT(sched_migrate_task,
TP_ARGS(p, dest_cpu),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( int, prio )
- __field( int, orig_cpu )
- __field( int, dest_cpu )
+ __string( comm, p->comm )
+ __field( pid_t, pid )
+ __field( int, prio )
+ __field( int, orig_cpu )
+ __field( int, dest_cpu )
),
TP_fast_assign(
- memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = p->pid;
__entry->prio = p->prio; /* XXX SCHED_DEADLINE */
__entry->orig_cpu = task_cpu(p);
@@ -292,7 +292,7 @@ TRACE_EVENT(sched_migrate_task,
),
TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
- __entry->comm, __entry->pid, __entry->prio,
+ __get_str(comm), __entry->pid, __entry->prio,
__entry->orig_cpu, __entry->dest_cpu)
);
@@ -303,19 +303,19 @@ DECLARE_EVENT_CLASS(sched_process_template,
TP_ARGS(p),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( int, prio )
+ __string( comm, p->comm )
+ __field( pid_t, pid )
+ __field( int, prio )
),
TP_fast_assign(
- memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = p->pid;
__entry->prio = p->prio; /* XXX SCHED_DEADLINE */
),
TP_printk("comm=%s pid=%d prio=%d",
- __entry->comm, __entry->pid, __entry->prio)
+ __get_str(comm), __entry->pid, __entry->prio)
);
/*
@@ -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:
@@ -349,19 +375,19 @@ TRACE_EVENT(sched_process_wait,
TP_ARGS(pid),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
+ __string( comm, current->comm )
__field( pid_t, pid )
__field( int, prio )
),
TP_fast_assign(
- memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = pid_nr(pid);
__entry->prio = current->prio; /* XXX SCHED_DEADLINE */
),
TP_printk("comm=%s pid=%d prio=%d",
- __entry->comm, __entry->pid, __entry->prio)
+ __get_str(comm), __entry->pid, __entry->prio)
);
/*
@@ -374,22 +400,22 @@ TRACE_EVENT(sched_process_fork,
TP_ARGS(parent, child),
TP_STRUCT__entry(
- __array( char, parent_comm, TASK_COMM_LEN )
- __field( pid_t, parent_pid )
- __array( char, child_comm, TASK_COMM_LEN )
- __field( pid_t, child_pid )
+ __string( parent_comm, parent->comm )
+ __field( pid_t, parent_pid )
+ __string( child_comm, child->comm )
+ __field( pid_t, child_pid )
),
TP_fast_assign(
- memcpy(__entry->parent_comm, parent->comm, TASK_COMM_LEN);
+ __assign_str(parent_comm);
__entry->parent_pid = parent->pid;
- memcpy(__entry->child_comm, child->comm, TASK_COMM_LEN);
+ __assign_str(child_comm);
__entry->child_pid = child->pid;
),
TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
- __entry->parent_comm, __entry->parent_pid,
- __entry->child_comm, __entry->child_pid)
+ __get_str(parent_comm), __entry->parent_pid,
+ __get_str(child_comm), __entry->child_pid)
);
/*
@@ -473,19 +499,19 @@ DECLARE_EVENT_CLASS_SCHEDSTAT(sched_stat_template,
TP_ARGS(__perf_task(tsk), __perf_count(delay)),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( u64, delay )
+ __string( comm, tsk->comm )
+ __field( pid_t, pid )
+ __field( u64, delay )
),
TP_fast_assign(
- memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = tsk->pid;
__entry->delay = delay;
),
TP_printk("comm=%s pid=%d delay=%Lu [ns]",
- __entry->comm, __entry->pid,
+ __get_str(comm), __entry->pid,
(unsigned long long)__entry->delay)
);
@@ -531,19 +557,19 @@ DECLARE_EVENT_CLASS(sched_stat_runtime,
TP_ARGS(tsk, __perf_count(runtime)),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( u64, runtime )
+ __string( comm, tsk->comm )
+ __field( pid_t, pid )
+ __field( u64, runtime )
),
TP_fast_assign(
- memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = tsk->pid;
__entry->runtime = runtime;
),
TP_printk("comm=%s pid=%d runtime=%Lu [ns]",
- __entry->comm, __entry->pid,
+ __get_str(comm), __entry->pid,
(unsigned long long)__entry->runtime)
);
@@ -562,14 +588,14 @@ TRACE_EVENT(sched_pi_setprio,
TP_ARGS(tsk, pi_task),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( int, oldprio )
- __field( int, newprio )
+ __string( comm, tsk->comm )
+ __field( pid_t, pid )
+ __field( int, oldprio )
+ __field( int, newprio )
),
TP_fast_assign(
- memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = tsk->pid;
__entry->oldprio = tsk->prio;
__entry->newprio = pi_task ?
@@ -579,7 +605,7 @@ TRACE_EVENT(sched_pi_setprio,
),
TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
- __entry->comm, __entry->pid,
+ __get_str(comm), __entry->pid,
__entry->oldprio, __entry->newprio)
);
@@ -589,16 +615,16 @@ TRACE_EVENT(sched_process_hang,
TP_ARGS(tsk),
TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __string( comm, tsk->comm )
+ __field( pid_t, pid )
),
TP_fast_assign(
- memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
+ __assign_str(comm);
__entry->pid = tsk->pid;
),
- TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
+ TP_printk("comm=%s pid=%d", __get_str(comm), __entry->pid)
);
#endif /* CONFIG_DETECT_HUNG_TASK */
@@ -773,64 +799,64 @@ TRACE_EVENT(sched_wake_idle_without_ipi,
*
* Postfixed with _tp to make them easily identifiable in the code.
*/
-DECLARE_TRACE(pelt_cfs_tp,
+DECLARE_TRACE(pelt_cfs,
TP_PROTO(struct cfs_rq *cfs_rq),
TP_ARGS(cfs_rq));
-DECLARE_TRACE(pelt_rt_tp,
+DECLARE_TRACE(pelt_rt,
TP_PROTO(struct rq *rq),
TP_ARGS(rq));
-DECLARE_TRACE(pelt_dl_tp,
+DECLARE_TRACE(pelt_dl,
TP_PROTO(struct rq *rq),
TP_ARGS(rq));
-DECLARE_TRACE(pelt_hw_tp,
+DECLARE_TRACE(pelt_hw,
TP_PROTO(struct rq *rq),
TP_ARGS(rq));
-DECLARE_TRACE(pelt_irq_tp,
+DECLARE_TRACE(pelt_irq,
TP_PROTO(struct rq *rq),
TP_ARGS(rq));
-DECLARE_TRACE(pelt_se_tp,
+DECLARE_TRACE(pelt_se,
TP_PROTO(struct sched_entity *se),
TP_ARGS(se));
-DECLARE_TRACE(sched_cpu_capacity_tp,
+DECLARE_TRACE(sched_cpu_capacity,
TP_PROTO(struct rq *rq),
TP_ARGS(rq));
-DECLARE_TRACE(sched_overutilized_tp,
+DECLARE_TRACE(sched_overutilized,
TP_PROTO(struct root_domain *rd, bool overutilized),
TP_ARGS(rd, overutilized));
-DECLARE_TRACE(sched_util_est_cfs_tp,
+DECLARE_TRACE(sched_util_est_cfs,
TP_PROTO(struct cfs_rq *cfs_rq),
TP_ARGS(cfs_rq));
-DECLARE_TRACE(sched_util_est_se_tp,
+DECLARE_TRACE(sched_util_est_se,
TP_PROTO(struct sched_entity *se),
TP_ARGS(se));
-DECLARE_TRACE(sched_update_nr_running_tp,
+DECLARE_TRACE(sched_update_nr_running,
TP_PROTO(struct rq *rq, int change),
TP_ARGS(rq, change));
-DECLARE_TRACE(sched_compute_energy_tp,
+DECLARE_TRACE(sched_compute_energy,
TP_PROTO(struct task_struct *p, int dst_cpu, unsigned long energy,
unsigned long max_util, unsigned long busy_time),
TP_ARGS(p, dst_cpu, energy, max_util, busy_time));
-DECLARE_TRACE(sched_entry_tp,
+DECLARE_TRACE(sched_entry,
TP_PROTO(bool preempt, unsigned long ip),
TP_ARGS(preempt, ip));
-DECLARE_TRACE(sched_exit_tp,
+DECLARE_TRACE(sched_exit,
TP_PROTO(bool is_switch, unsigned long ip),
TP_ARGS(is_switch, ip));
-DECLARE_TRACE_CONDITION(sched_set_state_tp,
+DECLARE_TRACE_CONDITION(sched_set_state,
TP_PROTO(struct task_struct *tsk, int state),
TP_ARGS(tsk, state),
TP_CONDITION(!!(tsk->__state) != !!state));
generated by cgit (git 2.34.1) at 2025-05-30 19:14:43 +0000