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Commit 5672bb75 authored by Riley Andrews's avatar Riley Andrews
Browse files

Add support for new sched kernel tracepoint 

This tracepoint gives systrace the means to display the reason
for uninterruptible sleep.
parent 5cd09786

cmds/atrace/atrace.cpp

+1 −0
Original line number Diff line number Diff line
@@ -96,6 +96,7 @@ static const TracingCategory k_categories[] = { 
    { "sched",      "CPU Scheduling",   0, {

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

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

        { OPT,      "/sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable" },

    } },

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

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

cmds/atrace/atrace.rc

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ on boot 
    chown root shell /sys/kernel/debug/tracing/options/print-tgid

    chown root shell /sys/kernel/debug/tracing/events/sched/sched_switch/enable

    chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable

    chown root shell /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable

    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
@@ -34,6 +35,7 @@ on boot 
    chmod 0664 /sys/kernel/debug/tracing/options/print-tgid

    chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_switch/enable

    chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable

    chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_blocked_reason/enable

    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