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2013-04-03T14:00:51.883
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2013-04-09T14:52:44.487
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Well, now it is sure: the format belongs to ftrace tool. Android atrace is an extension of ftrace build to facilitate configuration. The official documentation from ftrace, shows that this output format can directly be produced by it in the following way: <pre><code>root@adroid:# echo 1 > /sys/kernel/debug/tracing/events/sched/sched_switch/enable root@adroid:# echo 1 > /sys/kernel/debug/tracing/tracing_on root@adroid:# cat /sys/kernel/debug/tracing/trace > mytracefile.txt root@adroid:# echo 0 > /sys/kernel/debug/tracing/tracing_on root@adroid:# echo 0 > /sys/kernel/debug/tracing/events/sched/sched_switch/enable </code></pre> Official Documentation at: <a href="http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/trace/ftrace.txt" rel="nofollow">http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/trace/ftrace.txt</a> <pre><code># cat trace # tracer: nop # # entries-in-buffer/entries-written: 77/77 #P:8 # # _-----=> irqs-off # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / delay # TASK-PID CPU# |||| TIMESTAMP FUNCTION # | | | |||| | | <idle>-0 [007] d... 2440.707395: sched_switch: prev_comm=swapper/7 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=snapshot-test-2 next_pid=2243 next_prio=120 snapshot-test-2-2229 [002] d... 2440.707438: sched_switch: prev_comm=snapshot-test-2 prev_pid=2229 prev_prio=120 prev_state=S ==> next_comm=swapper/2 next_pid=0 next_prio=120 [...] </code></pre> Regards,
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1. This table or related slice is empty.
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1. POAndroid Systrace Trace File Format
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1. USRodmar Conde
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1. USRodmar Conde
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1. POAndroid Systrace Trace File Format
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