On Mon, 2 Mar 2015 12:33:34 -0800 Alexei Starovoitov <a...@plumgrid.com> wrote:
> On Mon, Mar 2, 2015 at 11:49 AM, Karim Yaghmour > <karim.yaghm...@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 CONFIG_SCHED_TRACER=y That alone will enable tracing. -- Steve > or here: > https://android.googlesource.com/kernel/common/+/android-3.10/android/configs/android-recommended.cfg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
