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Commit 73a35520 authored by Automerger Merge Worker's avatar Automerger Merge Worker
Browse files

Merge "Check /sys/kernel/tracing for tracefs" am: a6c834f9 

Change-Id: Ied26985b145eea03815c384bd225594dda7710e9
parents 44f912a6 a6c834f9

libcutils/trace-dev.cpp

+4 −0
Original line number Diff line number Diff line
@@ -31,6 +31,10 @@ void atrace_set_tracing_enabled(bool enabled) 
static void atrace_init_once()

{

    atrace_marker_fd = open("/sys/kernel/debug/tracing/trace_marker", O_WRONLY | O_CLOEXEC);

    if (atrace_marker_fd == -1) {

        atrace_marker_fd = open("/sys/kernel/tracing/trace_marker", O_WRONLY | O_CLOEXEC);

    }



    if (atrace_marker_fd == -1) {

        ALOGE("Error opening trace file: %s (%d)", strerror(errno), errno);

        atrace_enabled_tags = 0;