Messages in this thread | | | From | Alexei Starovoitov <> | Date | Mon, 2 Mar 2015 12:33:34 -0800 | Subject | Re: [PATCH v2 00/15] tracing: 'hist' triggers |
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On Mon, Mar 2, 2015 at 11:49 AM, Karim Yaghmour <karim.yaghmour@opersys.com> wrote: > > On 15-03-02 02:45 PM, Steven Rostedt wrote: >> Interesting. The Android devices I have still have it enabled (rooted, >> but still running the stock system). > > I don't know that there's any policy to disable tracing on Android. The > Android framework in fact has generally been instrumented by Google > itself to output trace info into trace_marker. And the systrace/atrace > tools made available to app developers need to get access to this > tracing info. So, if Android had tracing disabled, systrace/atrace > wouldn't work. > https://developer.android.com/tools/debugging/systrace.html
that's interesting. thanks for the link.
I don't see tracing being explicitly enabled in defconfig: https://source.android.com/devices/tech/kernel.html or here: https://android.googlesource.com/kernel/common/+/android-3.10/android/configs/android-recommended.cfg
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