Steven Rostedt 35e8e302e5 ftrace: add tracing of context switches ... 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: Steven Rostedt <srostedt@redhat.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>		2008-05-23 20:32:27 +02:00
..
ftrace.c	ftrace: add basic support for gcc profiler instrumentation	2008-05-23 20:31:58 +02:00
Kconfig	ftrace: add tracing of context switches	2008-05-23 20:32:27 +02:00
Makefile	ftrace: add tracing of context switches	2008-05-23 20:32:27 +02:00
trace.c	ftrace: latency tracer infrastructure	2008-05-23 20:32:06 +02:00
trace.h	ftrace: latency tracer infrastructure	2008-05-23 20:32:06 +02:00
trace_functions.c	ftrace: function tracer	2008-05-23 20:32:13 +02:00
trace_sched_switch.c	ftrace: add tracing of context switches	2008-05-23 20:32:27 +02:00