#include <linux/sched.h>
#include <linux/tracepoint.h>
+#include <linux/binfmts.h>
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
+#include <linux/sched/rt.h>
+#endif
#ifndef _TRACE_SCHED_DEF_
#define _TRACE_SCHED_DEF_
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+
static inline long __trace_sched_switch_state(struct task_struct *p)
{
long state = p->state;
* For all intents and purposes a preempted task is a running task.
*/
if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
+ state = TASK_RUNNING | TASK_STATE_MAX;
+#else
state = TASK_RUNNING;
+#endif
#endif
return state;
}
+#endif
+
#endif /* _TRACE_SCHED_DEF_ */
/*
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
),
TP_fast_assign(
tp_memcpy(comm, t->comm, TASK_COMM_LEN)
- tp_assign(pid, t->pid)
+ tp_assign(tid, t->pid)
),
- TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
+ TP_printk("comm=%s tid=%d", __entry->comm, __entry->tid)
)
/*
*/
DECLARE_EVENT_CLASS(sched_wakeup_template,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
TP_PROTO(struct task_struct *p, int success),
TP_ARGS(p, success),
+#else
+ TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+
+ TP_ARGS(rq, p, success),
+#endif
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( int, prio )
__field( int, success )
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
__field( int, target_cpu )
+#endif
),
TP_fast_assign(
tp_memcpy(comm, p->comm, TASK_COMM_LEN)
- tp_assign(pid, p->pid)
+ tp_assign(tid, p->pid)
tp_assign(prio, p->prio)
tp_assign(success, success)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
tp_assign(target_cpu, task_cpu(p))
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
+ )
+ TP_perf_assign(
+ __perf_task(p)
+#endif
),
- TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
- __entry->comm, __entry->pid, __entry->prio,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+ TP_printk("comm=%s tid=%d prio=%d success=%d target_cpu=%03d",
+ __entry->comm, __entry->tid, __entry->prio,
__entry->success, __entry->target_cpu)
+#else
+ TP_printk("comm=%s tid=%d prio=%d success=%d",
+ __entry->comm, __entry->tid, __entry->prio,
+ __entry->success)
+#endif
)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+
DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
TP_PROTO(struct task_struct *p, int success),
TP_ARGS(p, success))
TP_PROTO(struct task_struct *p, int success),
TP_ARGS(p, success))
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+
+DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+ TP_ARGS(rq, p, success))
+
+/*
+ * Tracepoint for waking up a new task:
+ */
+DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+ TP_ARGS(rq, p, success))
+
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+
/*
* Tracepoint for task switches, performed by the scheduler:
*/
TRACE_EVENT(sched_switch,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
TP_PROTO(struct task_struct *prev,
struct task_struct *next),
TP_ARGS(prev, next),
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+ TP_PROTO(struct rq *rq, struct task_struct *prev,
+ struct task_struct *next),
+
+ TP_ARGS(rq, prev, next),
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
TP_STRUCT__entry(
__array_text( char, prev_comm, TASK_COMM_LEN )
- __field( pid_t, prev_pid )
+ __field( pid_t, prev_tid )
__field( int, prev_prio )
__field( long, prev_state )
__array_text( char, next_comm, TASK_COMM_LEN )
- __field( pid_t, next_pid )
+ __field( pid_t, next_tid )
__field( int, next_prio )
),
TP_fast_assign(
tp_memcpy(next_comm, next->comm, TASK_COMM_LEN)
- tp_assign(prev_pid, prev->pid)
- tp_assign(prev_prio, prev->prio)
+ tp_assign(prev_tid, prev->pid)
+ tp_assign(prev_prio, prev->prio - MAX_RT_PRIO)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
tp_assign(prev_state, __trace_sched_switch_state(prev))
+#else
+ tp_assign(prev_state, prev->state)
+#endif
tp_memcpy(prev_comm, prev->comm, TASK_COMM_LEN)
- tp_assign(next_pid, next->pid)
- tp_assign(next_prio, next->prio)
+ tp_assign(next_tid, next->pid)
+ tp_assign(next_prio, next->prio - MAX_RT_PRIO)
),
- TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_pid=%d next_prio=%d",
- __entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
+ TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_tid=%d next_prio=%d",
+ __entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
+ __entry->prev_state & (TASK_STATE_MAX-1) ?
+ __print_flags(__entry->prev_state & (TASK_STATE_MAX-1), "|",
+ { 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
+ { 16, "Z" }, { 32, "X" }, { 64, "x" },
+ { 128, "W" }) : "R",
+ __entry->prev_state & TASK_STATE_MAX ? "+" : "",
+ __entry->next_comm, __entry->next_tid, __entry->next_prio)
+#else
+ TP_printk("prev_comm=%s prev_tid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_tid=%d next_prio=%d",
+ __entry->prev_comm, __entry->prev_tid, __entry->prev_prio,
__entry->prev_state ?
__print_flags(__entry->prev_state, "|",
{ 1, "S"} , { 2, "D" }, { 4, "T" }, { 8, "t" },
{ 16, "Z" }, { 32, "X" }, { 64, "x" },
{ 128, "W" }) : "R",
- __entry->next_comm, __entry->next_pid, __entry->next_prio)
+ __entry->next_comm, __entry->next_tid, __entry->next_prio)
+#endif
)
/*
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( int, prio )
__field( int, orig_cpu )
__field( int, dest_cpu )
TP_fast_assign(
tp_memcpy(comm, p->comm, TASK_COMM_LEN)
- tp_assign(pid, p->pid)
- tp_assign(prio, p->prio)
+ tp_assign(tid, p->pid)
+ tp_assign(prio, p->prio - MAX_RT_PRIO)
tp_assign(orig_cpu, task_cpu(p))
tp_assign(dest_cpu, dest_cpu)
),
- TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
- __entry->comm, __entry->pid, __entry->prio,
+ TP_printk("comm=%s tid=%d prio=%d orig_cpu=%d dest_cpu=%d",
+ __entry->comm, __entry->tid, __entry->prio,
__entry->orig_cpu, __entry->dest_cpu)
)
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( int, prio )
),
TP_fast_assign(
tp_memcpy(comm, p->comm, TASK_COMM_LEN)
- tp_assign(pid, p->pid)
- tp_assign(prio, p->prio)
+ tp_assign(tid, p->pid)
+ tp_assign(prio, p->prio - MAX_RT_PRIO)
),
- TP_printk("comm=%s pid=%d prio=%d",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_printk("comm=%s tid=%d prio=%d",
+ __entry->comm, __entry->tid, __entry->prio)
)
/*
/*
* Tracepoint for waiting on task to unschedule:
*/
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
DEFINE_EVENT(sched_process_template, sched_wait_task,
TP_PROTO(struct task_struct *p),
TP_ARGS(p))
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+DEFINE_EVENT(sched_process_template, sched_wait_task,
+ TP_PROTO(struct rq *rq, struct task_struct *p),
+ TP_ARGS(rq, p))
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
/*
* Tracepoint for a waiting task:
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( int, prio )
),
TP_fast_assign(
tp_memcpy(comm, current->comm, TASK_COMM_LEN)
- tp_assign(pid, pid_nr(pid))
- tp_assign(prio, current->prio)
+ tp_assign(tid, pid_nr(pid))
+ tp_assign(prio, current->prio - MAX_RT_PRIO)
),
- TP_printk("comm=%s pid=%d prio=%d",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_printk("comm=%s tid=%d prio=%d",
+ __entry->comm, __entry->tid, __entry->prio)
)
/*
- * Tracepoint for do_fork:
+ * Tracepoint for do_fork.
+ * Saving both TID and PID information, especially for the child, allows
+ * trace analyzers to distinguish between creation of a new process and
+ * creation of a new thread. Newly created processes will have child_tid
+ * == child_pid, while creation of a thread yields to child_tid !=
+ * child_pid.
*/
TRACE_EVENT(sched_process_fork,
TP_STRUCT__entry(
__array_text( char, parent_comm, TASK_COMM_LEN )
+ __field( pid_t, parent_tid )
__field( pid_t, parent_pid )
__array_text( char, child_comm, TASK_COMM_LEN )
+ __field( pid_t, child_tid )
__field( pid_t, child_pid )
),
TP_fast_assign(
tp_memcpy(parent_comm, parent->comm, TASK_COMM_LEN)
- tp_assign(parent_pid, parent->pid)
+ tp_assign(parent_tid, parent->pid)
+ tp_assign(parent_pid, parent->tgid)
tp_memcpy(child_comm, child->comm, TASK_COMM_LEN)
- tp_assign(child_pid, child->pid)
+ tp_assign(child_tid, child->pid)
+ tp_assign(child_pid, child->tgid)
),
- TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
- __entry->parent_comm, __entry->parent_pid,
- __entry->child_comm, __entry->child_pid)
+ TP_printk("comm=%s tid=%d child_comm=%s child_tid=%d",
+ __entry->parent_comm, __entry->parent_tid,
+ __entry->child_comm, __entry->child_tid)
)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
+/*
+ * Tracepoint for sending a signal:
+ */
+TRACE_EVENT(sched_signal_send,
+
+ TP_PROTO(int sig, struct task_struct *p),
+
+ TP_ARGS(sig, p),
+
+ TP_STRUCT__entry(
+ __field( int, sig )
+ __array( char, comm, TASK_COMM_LEN )
+ __field( pid_t, pid )
+ ),
+
+ TP_fast_assign(
+ tp_memcpy(comm, p->comm, TASK_COMM_LEN)
+ tp_assign(pid, p->pid)
+ tp_assign(sig, sig)
+ ),
+
+ TP_printk("sig=%d comm=%s pid=%d",
+ __entry->sig, __entry->comm, __entry->pid)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+/*
+ * Tracepoint for exec:
+ */
+TRACE_EVENT(sched_process_exec,
+
+ TP_PROTO(struct task_struct *p, pid_t old_pid,
+ struct linux_binprm *bprm),
+
+ TP_ARGS(p, old_pid, bprm),
+
+ TP_STRUCT__entry(
+ __string( filename, bprm->filename )
+ __field( pid_t, tid )
+ __field( pid_t, old_tid )
+ ),
+
+ TP_fast_assign(
+ tp_strcpy(filename, bprm->filename)
+ tp_assign(tid, p->pid)
+ tp_assign(old_tid, old_pid)
+ ),
+
+ TP_printk("filename=%s tid=%d old_tid=%d", __get_str(filename),
+ __entry->tid, __entry->old_tid)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
/*
* XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
* adding sched_stat support to SCHED_FIFO/RR would be welcome.
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( u64, delay )
),
TP_fast_assign(
tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
- tp_assign(pid, tsk->pid)
+ tp_assign(tid, tsk->pid)
tp_assign(delay, delay)
)
TP_perf_assign(
__perf_count(delay)
),
- TP_printk("comm=%s pid=%d delay=%Lu [ns]",
- __entry->comm, __entry->pid,
+ TP_printk("comm=%s tid=%d delay=%Lu [ns]",
+ __entry->comm, __entry->tid,
(unsigned long long)__entry->delay)
)
TP_PROTO(struct task_struct *tsk, u64 delay),
TP_ARGS(tsk, delay))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+/*
+ * Tracepoint for accounting blocked time (time the task is in uninterruptible).
+ */
+DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
+ TP_PROTO(struct task_struct *tsk, u64 delay),
+ TP_ARGS(tsk, delay))
+#endif
+
/*
* Tracepoint for accounting runtime (time the task is executing
* on a CPU).
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( u64, runtime )
__field( u64, vruntime )
),
TP_fast_assign(
tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
- tp_assign(pid, tsk->pid)
+ tp_assign(tid, tsk->pid)
tp_assign(runtime, runtime)
tp_assign(vruntime, vruntime)
)
TP_perf_assign(
__perf_count(runtime)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
+ __perf_task(tsk)
+#endif
),
- TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
- __entry->comm, __entry->pid,
+ TP_printk("comm=%s tid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
+ __entry->comm, __entry->tid,
(unsigned long long)__entry->runtime,
(unsigned long long)__entry->vruntime)
)
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*
* Tracepoint for showing priority inheritance modifying a tasks
* priority.
TP_STRUCT__entry(
__array_text( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
+ __field( pid_t, tid )
__field( int, oldprio )
__field( int, newprio )
),
TP_fast_assign(
tp_memcpy(comm, tsk->comm, TASK_COMM_LEN)
- tp_assign(pid, tsk->pid)
- tp_assign(oldprio, tsk->prio)
- tp_assign(newprio, newprio)
+ tp_assign(tid, tsk->pid)
+ tp_assign(oldprio, tsk->prio - MAX_RT_PRIO)
+ tp_assign(newprio, newprio - MAX_RT_PRIO)
),
- TP_printk("comm=%s pid=%d oldprio=%d newprio=%d",
- __entry->comm, __entry->pid,
+ TP_printk("comm=%s tid=%d oldprio=%d newprio=%d",
+ __entry->comm, __entry->tid,
__entry->oldprio, __entry->newprio)
)
+#endif
#endif /* _TRACE_SCHED_H */
/* This part must be outside protection */
-#include "define_trace.h"
+#include "../../../probes/define_trace.h"
projects / lttng-modules.git / blobdiff