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Commit 1ac1d86b authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
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Merge "trace-container: Check /sys/kernel/tracing for tracefs"

parents 2157b206 5cdb5d46

libcutils/trace-container.cpp

+21 −17
Original line number Diff line number Diff line
@@ -87,6 +87,9 @@ void atrace_set_tracing_enabled(bool enabled) 


static void atrace_init_once()

{

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

    if (atrace_marker_fd < 0) {

        // try debugfs

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

        if (atrace_marker_fd < 0) {

            // We're in container, ftrace may be disabled. In such case, we use the
@@ -107,6 +110,7 @@ static void atrace_init_once() 
                goto done;

            }

        }

    }

    atrace_enabled_tags = atrace_get_property();



done: