Index: third_party/tcmalloc/chromium/src/base/synchronization_profiling.h |
=================================================================== |
--- third_party/tcmalloc/chromium/src/base/synchronization_profiling.h (revision 0) |
+++ third_party/tcmalloc/chromium/src/base/synchronization_profiling.h (revision 0) |
@@ -0,0 +1,50 @@ |
+/* Copyright (c) 2010, Google Inc. |
+ * All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions are |
+ * met: |
+ * |
+ * * Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * * Redistributions in binary form must reproduce the above |
+ * copyright notice, this list of conditions and the following disclaimer |
+ * in the documentation and/or other materials provided with the |
+ * distribution. |
+ * * Neither the name of Google Inc. nor the names of its |
+ * contributors may be used to endorse or promote products derived from |
+ * this software without specific prior written permission. |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ * |
+ * --- |
+ * Author: Chris Ruemmler |
+ */ |
+ |
+#ifndef BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_ |
+#define BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_ |
+ |
+#include "base/basictypes.h" |
+ |
+namespace base { |
+ |
+// We can do contention-profiling of SpinLocks, but the code is in |
+// mutex.cc, which is not always linked in with spinlock. Hence we |
+// provide a weak definition, which are used if mutex.cc isn't linked in. |
+ |
+// Submit the number of cycles the spinlock spent contending. |
+ATTRIBUTE_WEAK extern void SubmitSpinLockProfileData(const void *, int64); |
+extern void SubmitSpinLockProfileData(const void *contendedlock, |
+ int64 wait_cycles) {} |
+} |
+#endif // BASE_AUXILIARY_SYNCHRONIZATION_PROFILING_H_ |
Property changes on: third_party/tcmalloc/chromium/src/base/synchronization_profiling.h |
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Added: svn:eol-style |
+ LF |