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Commit 1199d6f2 authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
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Merge "libcutils must check /sys/kernel/tracing for tracefs first" am:... 

Merge "libcutils must check /sys/kernel/tracing for tracefs first" am: 7259edac am: 2ae99763 am: 18feb083

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1427529

Change-Id: Id4bafb7917d79239dc1785a4b57875491522285d
parents 881340da 18feb083

libcutils/trace-dev.cpp

+2 −2
Original line number Diff line number Diff line
@@ -30,9 +30,9 @@ 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) {

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

    }



    if (atrace_marker_fd == -1) {