/usr/include/thunderbird-11.0.1/sampler.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Benoit Girard <bgirard@mozilla.com>
*
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* ***** END LICENSE BLOCK ***** */
/* *************** SPS Sampler Information ****************
*
* SPS is an always on profiler that takes fast and low overheads samples
* of the program execution using only userspace functionity for portability.
* The goal of this module is to provide performance data in a generic
* cross platform way without requiring custom tools or kernel support.
*
* Non goals: Support features that are platform specific or replace
* platform specific profilers.
*
* Samples are collected to form a timeline with optional timeline event (markers)
* used for filtering.
*
* SPS collects samples in a platform independant way by using a speudo stack abstraction
* of the real program stack by using 'sample stack frames'. When a sample is collected
* all active sample stack frames and the program counter are recorded.
*/
/* *************** SPS Sampler File Format ****************
*
* Simple new line seperated tag format:
* S -> BOF tags EOF
* tags -> tag tags
* tag -> CHAR - STRING
*
* Tags:
* 's' - Sample tag followed by the first stack frame followed by 0 or more 'c' tags.
* 'c' - Continue Sample tag gives remaining tag element. If a 'c' tag is seen without
* a preceding 's' tag it should be ignored. This is to support the behavior
* of circular buffers.
* 'm' - Timeline marker. Zero or more may appear before a 's' tag.
* 'l' - Information about the program counter library and address. Post processing
* can include function and source line. If built with leaf data enabled
* this tag will describe the last 'c' tag.
*
* NOTE: File format is planned to be extended to include a dictionary to reduce size.
*/
#ifndef SAMPLER_H
#define SAMPLER_H
#if defined(_MSC_VER)
#define FULLFUNCTION __FUNCSIG__
#elif (__GNUC__ >= 4)
#define FULLFUNCTION __PRETTY_FUNCTION__
#else
#define FULLFUNCTION __FUNCTION__
#endif
// Redefine the macros for platforms where SPS is supported.
#if defined(ANDROID) || defined(XP_LINUX) || defined(XP_MACOSX) || defined(XP_WIN)
#include "sps_sampler.h"
#else
// Initialize the sampler. Any other calls will be silently discarded
// before the sampler has been initialized (i.e. early start-up code)
#define SAMPLER_INIT()
#define SAMPLER_DEINIT()
#define SAMPLER_START(entries, interval)
#define SAMPLER_STOP()
#define SAMPLER_IS_ACTIVE() false
#define SAMPLER_SAVE()
// Returned string must be free'ed
#define SAMPLER_GET_PROFILE() NULL
#define SAMPLER_RESPONSIVENESS(time) NULL
#define SAMPLER_GET_RESPONSIVENESS() NULL
#define SAMPLE_LABEL(name_space, info)
#define SAMPLE_MARKER(info)
#endif
#endif // ifndef SAMPLER_H
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