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Subject[PATCH 5/8] tracing/events: modify sched print to new format
From: Steven Rostedt <srostedt@redhat.com>

Use new format for better parsing of sched events.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
include/trace/events/sched.h | 49 ++++++++++++++---------------------------
1 files changed, 17 insertions(+), 32 deletions(-)

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 24ab5bc..beb1584 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -26,7 +26,7 @@ TRACE_EVENT(sched_kthread_stop,
__entry->pid = t->pid;
),

- TP_printk("task %s:%d", __entry->comm, __entry->pid)
+ TP_FORMAT("task <strarray:comm>:<int:pid>")
);

/*
@@ -46,7 +46,7 @@ TRACE_EVENT(sched_kthread_stop_ret,
__entry->ret = ret;
),

- TP_printk("ret %d", __entry->ret)
+ TP_FORMAT("ret <int:ret>")
);

/*
@@ -73,8 +73,7 @@ TRACE_EVENT(sched_wait_task,
__entry->prio = p->prio;
),

- TP_printk("task %s:%d [%d]",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
);

/*
@@ -103,9 +102,7 @@ TRACE_EVENT(sched_wakeup,
__entry->success = success;
),

- TP_printk("task %s:%d [%d] success=%d",
- __entry->comm, __entry->pid, __entry->prio,
- __entry->success)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] success=<int:success>")
);

/*
@@ -134,9 +131,7 @@ TRACE_EVENT(sched_wakeup_new,
__entry->success = success;
),

- TP_printk("task %s:%d [%d] success=%d",
- __entry->comm, __entry->pid, __entry->prio,
- __entry->success)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] success=<int:success>")
);

/*
@@ -172,14 +167,10 @@ TRACE_EVENT(sched_switch,
__entry->next_prio = next->prio;
),

- TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]",
- __entry->prev_comm, __entry->prev_pid, __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)
+ TP_FORMAT("task <strarray:prev_comm>:<int:prev_pid> [<int:prev_prio>] "
+ "(<mask:prev_state:|:0=R,1=S,2=D,4=T,8=t,16=Z,32=X,64=x,128=W>)"
+ " ==> "
+ "task <strarray:next_comm>:<int:next_pid> [<int:next_prio>]")
);

/*
@@ -207,9 +198,8 @@ TRACE_EVENT(sched_migrate_task,
__entry->dest_cpu = dest_cpu;
),

- TP_printk("task %s:%d [%d] from: %d to: %d",
- __entry->comm, __entry->pid, __entry->prio,
- __entry->orig_cpu, __entry->dest_cpu)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>] "
+ "from: <int:orig_cpu> to: <int:dest_cpu>")
);

/*
@@ -233,8 +223,7 @@ TRACE_EVENT(sched_process_free,
__entry->prio = p->prio;
),

- TP_printk("task %s:%d [%d]",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
);

/*
@@ -258,8 +247,7 @@ TRACE_EVENT(sched_process_exit,
__entry->prio = p->prio;
),

- TP_printk("task %s:%d [%d]",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
);

/*
@@ -283,8 +271,7 @@ TRACE_EVENT(sched_process_wait,
__entry->prio = current->prio;
),

- TP_printk("task %s:%d [%d]",
- __entry->comm, __entry->pid, __entry->prio)
+ TP_FORMAT("task <strarray:comm>:<int:pid> [<int:prio>]")
);

/*
@@ -310,9 +297,8 @@ TRACE_EVENT(sched_process_fork,
__entry->child_pid = child->pid;
),

- TP_printk("parent %s:%d child %s:%d",
- __entry->parent_comm, __entry->parent_pid,
- __entry->child_comm, __entry->child_pid)
+ TP_FORMAT("parent <strarray:parent_comm>:<int:parent_pid>"
+ " child <strarray:child_comm>:<int:child_pid>")
);

/*
@@ -336,8 +322,7 @@ TRACE_EVENT(sched_signal_send,
__entry->sig = sig;
),

- TP_printk("sig: %d task %s:%d",
- __entry->sig, __entry->comm, __entry->pid)
+ TP_FORMAT("sig: <int:sig> task <strarray:comm>:<int:pid>")
);

#endif /* _TRACE_SCHED_H */
--
1.6.3.1
--


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