1 files changed, 8 insertions, 0 deletions
diff --git a/libc/private/bionic_systrace.h b/libc/private/bionic_systrace.h
index dbe173919..6b11812bd 100644
--- a/libc/private/bionic_systrace.h
+++ b/libc/private/bionic_systrace.h
@@ -16,8 +16,12 @@
 
 #pragma once
 
+#include <cutils/trace.h>  // For ATRACE_TAG_BIONIC.
+
 #include "platform/bionic/macros.h"
 
+static constexpr char kTraceTagsProp[] = "debug.atrace.tags.enableflags";
+
 // Tracing class for bionic. To begin a trace at a specified point:
 //   ScopedTrace("Trace message");
 // The trace will end when the contructor goes out of scope.
@@ -33,5 +37,9 @@ class __LIBC_HIDDEN__ ScopedTrace {
   BIONIC_DISALLOW_COPY_AND_ASSIGN(ScopedTrace);
 };
 
+int get_trace_marker_fd();
+bool should_trace(const uint64_t enable_tags = ATRACE_TAG_BIONIC);
+void output_trace(const char* message, const char event = 'B');
+
 void bionic_trace_begin(const char* message);
 void bionic_trace_end();