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Commit 0d3495fe authored by Carmen Jackson's avatar Carmen Jackson
Browse files

Move basic events into the sched category in atrace. 

Several of these basic events were in the 'memory' category because we
were initially finding them most useful for analyzing memory. However,
they're actually useful across the board, and should be included in
every trace. They're more appropriate in the 'sched' category.

Also, noticed that sched_process_exit wasn't writeable because it needed
to be added to the atrace.rc file, so fixed that.

Bug: 130416576
Test: manual: ran atrace with only the 'sched' category and saw these
tracepoints recorded.

Change-Id: Ib6bd958c1b873acfa8b04a79fc2b9b65a529d768
Merged-In: Ib6bd958c1b873acfa8b04a79fc2b9b65a529d768
parent eb975070

cmds/atrace/atrace.cpp

+5 −5
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ using hardware::atrace::V1_0::toString; 


using std::string;



#define MAX_SYS_FILES 10

#define MAX_SYS_FILES 11



const char* k_traceTagsProperty = "debug.atrace.tags.enableflags";

const char* k_userInitiatedTraceProperty = "debug.atrace.user_initiated";
@@ -132,7 +132,11 @@ static const TracingCategory k_categories[] = { 
        { OPT,      "events/sched/sched_blocked_reason/enable" },

        { OPT,      "events/sched/sched_cpu_hotplug/enable" },

        { OPT,      "events/sched/sched_pi_setprio/enable" },

        { OPT,      "events/sched/sched_process_exit/enable" },

        { OPT,      "events/cgroup/enable" },

        { OPT,      "events/oom/oom_score_adj_update/enable" },

        { OPT,      "events/task/task_rename/enable" },

        { OPT,      "events/task/task_newtask/enable" },

    } },

    { "irq",        "IRQ Events",   0, {

        { REQ,      "events/irq/enable" },
@@ -230,10 +234,6 @@ static const TracingCategory k_categories[] = { 
        { OPT,      "events/kmem/rss_stat/enable" },

        { OPT,      "events/kmem/ion_heap_grow/enable" },

        { OPT,      "events/kmem/ion_heap_shrink/enable" },

        { OPT,      "events/oom/oom_score_adj_update/enable" },

        { OPT,      "events/sched/sched_process_exit/enable" },

        { OPT,      "events/task/task_rename/enable" },

        { OPT,      "events/task/task_newtask/enable" },

    } },

};

cmds/atrace/atrace.rc

+2 −0
Original line number Diff line number Diff line
@@ -33,6 +33,8 @@ on late-init 
    chmod 0666 /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable

    chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_pi_setprio/enable

    chmod 0666 /sys/kernel/tracing/events/sched/sched_pi_setprio/enable

    chmod 0666 /sys/kernel/debug/tracing/events/sched/sched_process_exit/enable

    chmod 0666 /sys/kernel/tracing/events/sched/sched_process_exit/enable

    chmod 0666 /sys/kernel/debug/tracing/events/cgroup/enable

    chmod 0666 /sys/kernel/tracing/events/cgroup/enable

    chmod 0666 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable