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Commit 485d70cf authored by Joel Fernandes's avatar Joel Fernandes Committed by android-build-merger
Browse files

atrace: setup saved_cmdlines_size and write only if available 

am: 9351f720

Change-Id: I6ac54d96cda205bc5d4e4d569b03b2064140e310
parents 0ef3b0ec 9351f720

cmds/atrace/atrace.cpp

+4 −1
Original line number Diff line number Diff line
@@ -442,8 +442,11 @@ static bool setTraceBufferSizeKB(int size) 
// Set the default size of cmdline hashtable

static bool setCmdlineSize()

{

    if (fileExists(k_traceCmdlineSizePath)) {

        return writeStr(k_traceCmdlineSizePath, "8192");

    }

    return true;

}



// Set the clock to the best available option while tracing. Use 'boot' if it's

// available; otherwise, use 'mono'. If neither are available use 'global'.

cmds/atrace/atrace.rc

+4 −0
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ on post-fs 
    chown root shell /sys/kernel/tracing/options/overwrite

    chown root shell /sys/kernel/debug/tracing/options/print-tgid

    chown root shell /sys/kernel/tracing/options/print-tgid

    chown root shell /sys/kernel/debug/tracing/options/saved_cmdlines_size

    chown root shell /sys/kernel/tracing/options/saved_cmdlines_size

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

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

    chown root shell /sys/kernel/debug/tracing/events/sched/sched_wakeup/enable
@@ -63,6 +65,8 @@ on post-fs 
    chmod 0664 /sys/kernel/tracing/options/overwrite

    chmod 0664 /sys/kernel/debug/tracing/options/print-tgid

    chmod 0664 /sys/kernel/tracing/options/print-tgid

    chmod 0664 /sys/kernel/debug/tracing/options/saved_cmdlines_size

    chmod 0664 /sys/kernel/tracing/options/saved_cmdlines_size

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

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

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