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Commit ffcc7117 authored by Ruchi Kandoi's avatar Ruchi Kandoi
Browse files

atrace: Add trace points for cpu frequency limits. 



Change-Id: I6a20eaedb2943c3cde137ec091d898fc250ea763
Signed-off-by: default avatarRuchi Kandoi <kandoiruchi@google.com>
parent bfe1f35f

cmds/atrace/atrace.cpp

+1 −0
Original line number Diff line number Diff line
@@ -103,6 +103,7 @@ static const TracingCategory k_categories[] = { 
    { "freq",       "CPU Frequency",    0, {

        { REQ,      "/sys/kernel/debug/tracing/events/power/cpu_frequency/enable" },

        { OPT,      "/sys/kernel/debug/tracing/events/power/clock_set_rate/enable" },

        { OPT,      "/sys/kernel/debug/tracing/events/power/cpu_frequency_limits/enable" },

    } },

    { "membus",     "Memory Bus Utilization", 0, {

        { REQ,      "/sys/kernel/debug/tracing/events/memory_bus/enable" },

cmds/atrace/atrace.rc

+2 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ on boot 
    chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable

    chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable

    chown root shell /sys/kernel/debug/tracing/events/power/clock_set_rate/enable

    chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency_limits/enable

    chown root shell /sys/kernel/debug/tracing/events/cpufreq_interactive/enable

    chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable

    chown root shell /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable
@@ -37,6 +38,7 @@ on boot 
    chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable

    chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable

    chmod 0664 /sys/kernel/debug/tracing/events/power/clock_set_rate/enable

    chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency_limits/enable

    chmod 0664 /sys/kernel/debug/tracing/events/cpufreq_interactive/enable

    chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_begin/enable

    chmod 0664 /sys/kernel/debug/tracing/events/vmscan/mm_vmscan_direct_reclaim_end/enable