提交 · 4ac3ba41d372e3a9e420b36bc43589662b188a14 · xiphi1978 / linux

24 5月, 2008 8 次提交

ftrace: trace scheduler rbtree · 4ac3ba41

由 Ingo Molnar 提交于 5月 12, 2008

Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

4ac3ba41

ftrace: sched tracer, trace full rbtree · 4e655519

由 Ingo Molnar 提交于 5月 12, 2008

Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

4e655519

ftrace: add wakeup events to sched tracer · 57422797

由 Ingo Molnar 提交于 5月 12, 2008

Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

57422797

ftrace: remove notrace · e309b41d

由 Ingo Molnar 提交于 5月 12, 2008

now that we have a kbuild method for notrace, no need to pollute the
C code with the annotations.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

e309b41d

ftrace: timestamp syncing, prepare · 750ed1a4

由 Ingo Molnar 提交于 5月 12, 2008

rename and uninline now() to ftrace_now().
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

750ed1a4

ftrace: add self-tests · 60a11774

由 Steven Rostedt 提交于 5月 12, 2008

Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

60a11774

ftrace: don't use raw_local_irq_save/restore · 18cef379

由 Steven Rostedt 提交于 5月 12, 2008

Using raw_local_irq_save/restore confuses lockdep.
It's fine to use the normal ones.
Signed-off-by: NSteven Rostedt <srostedt@redhat.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

18cef379

ftrace: add tracing of context switches · 35e8e302

由 Steven Rostedt 提交于 5月 12, 2008

This patch adds context switch tracing, of the format of:

                  _------=> CPU#
                 / _-----=> irqs-off
                | / _----=> need-resched
                || / _---=> hardirq/softirq
                ||| / _--=> preempt-depth
                |||| /
                |||||     delay
    cmd     pid ||||| time  |      pid:prio:state
       \   /    |||||   \   |      /
  swapper-0     1d..3    137us+:  0:140:R --> 2912:120
     sshd-2912  1d..3    216us+:  2912:120:S --> 0:140
  swapper-0     1d..3    261us+:  0:140:R --> 2912:120
     bash-2920  0d..3    267us+:  2920:120:S --> 0:140
     sshd-2912  1d..3    330us!:  2912:120:S --> 0:140
  swapper-0     1d..3   2389us+:  0:140:R --> 2847:120
 yum-upda-2847  1d..3   2411us!:  2847:120:S --> 0:140
  swapper-0     0d..3  11089us+:  0:140:R --> 3139:120
 gdm-bina-3139  0d..3  11113us!:  3139:120:S --> 0:140
  swapper-0     1d..3 102328us+:  0:140:R --> 2847:120
 yum-upda-2847  1d..3 102348us!:  2847:120:S --> 0:140

 "sched_switch" is added to /debugfs/tracing/available_tracers

[ Eugene Teo <eugeneteo@kernel.sg: remove unused tracing_sched_switch_enabled ]
Signed-off-by: NSteven Rostedt <srostedt@redhat.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

35e8e302