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Diffstat (limited to 'src/third_party/gperftools-2.5/src/gperftools/profiler.h')
-rw-r--r-- | src/third_party/gperftools-2.5/src/gperftools/profiler.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/third_party/gperftools-2.5/src/gperftools/profiler.h b/src/third_party/gperftools-2.5/src/gperftools/profiler.h deleted file mode 100644 index 2d272d616a9..00000000000 --- a/src/third_party/gperftools-2.5/src/gperftools/profiler.h +++ /dev/null @@ -1,169 +0,0 @@ -// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- -/* Copyright (c) 2005, 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: Sanjay Ghemawat - * - * Module for CPU profiling based on periodic pc-sampling. - * - * For full(er) information, see doc/cpuprofile.html - * - * This module is linked into your program with - * no slowdown caused by this unless you activate the profiler - * using one of the following methods: - * - * 1. Before starting the program, set the environment variable - * "CPUPROFILE" to be the name of the file to which the profile - * data should be written. - * - * 2. Programmatically, start and stop the profiler using the - * routines "ProfilerStart(filename)" and "ProfilerStop()". - * - * - * (Note: if using linux 2.4 or earlier, only the main thread may be - * profiled.) - * - * Use pprof to view the resulting profile output. - * % pprof <path_to_executable> <profile_file_name> - * % pprof --gv <path_to_executable> <profile_file_name> - * - * These functions are thread-safe. - */ - -#ifndef BASE_PROFILER_H_ -#define BASE_PROFILER_H_ - -#include <time.h> /* For time_t */ - -/* Annoying stuff for windows; makes sure clients can import these functions */ -#ifndef PERFTOOLS_DLL_DECL -# ifdef _WIN32 -# define PERFTOOLS_DLL_DECL __declspec(dllimport) -# else -# define PERFTOOLS_DLL_DECL -# endif -#endif - -/* All this code should be usable from within C apps. */ -#ifdef __cplusplus -extern "C" { -#endif - -/* Profiler options, for use with ProfilerStartWithOptions. To use: - * - * struct ProfilerOptions options; - * memset(&options, 0, sizeof options); - * - * then fill in fields as needed. - * - * This structure is intended to be usable from C code, so no constructor - * is provided to initialize it. (Use memset as described above). - */ -struct ProfilerOptions { - /* Filter function and argument. - * - * If filter_in_thread is not NULL, when a profiling tick is delivered - * the profiler will call: - * - * (*filter_in_thread)(filter_in_thread_arg) - * - * If it returns nonzero, the sample will be included in the profile. - * Note that filter_in_thread runs in a signal handler, so must be - * async-signal-safe. - * - * A typical use would be to set up filter results for each thread - * in the system before starting the profiler, then to make - * filter_in_thread be a very simple function which retrieves those - * results in an async-signal-safe way. Retrieval could be done - * using thread-specific data, or using a shared data structure that - * supports async-signal-safe lookups. - */ - int (*filter_in_thread)(void *arg); - void *filter_in_thread_arg; -}; - -/* Start profiling and write profile info into fname, discarding any - * existing profiling data in that file. - * - * This is equivalent to calling ProfilerStartWithOptions(fname, NULL). - */ -PERFTOOLS_DLL_DECL int ProfilerStart(const char* fname); - -/* Start profiling and write profile into fname, discarding any - * existing profiling data in that file. - * - * The profiler is configured using the options given by 'options'. - * Options which are not specified are given default values. - * - * 'options' may be NULL, in which case all are given default values. - * - * Returns nonzero if profiling was started successfully, or zero else. - */ -PERFTOOLS_DLL_DECL int ProfilerStartWithOptions( - const char *fname, const struct ProfilerOptions *options); - -/* Stop profiling. Can be started again with ProfilerStart(), but - * the currently accumulated profiling data will be cleared. - */ -PERFTOOLS_DLL_DECL void ProfilerStop(void); - -/* Flush any currently buffered profiling state to the profile file. - * Has no effect if the profiler has not been started. - */ -PERFTOOLS_DLL_DECL void ProfilerFlush(void); - - -/* DEPRECATED: these functions were used to enable/disable profiling - * in the current thread, but no longer do anything. - */ -PERFTOOLS_DLL_DECL void ProfilerEnable(void); -PERFTOOLS_DLL_DECL void ProfilerDisable(void); - -/* Returns nonzero if profile is currently enabled, zero if it's not. */ -PERFTOOLS_DLL_DECL int ProfilingIsEnabledForAllThreads(void); - -/* Routine for registering new threads with the profiler. - */ -PERFTOOLS_DLL_DECL void ProfilerRegisterThread(void); - -/* Stores state about profiler's current status into "*state". */ -struct ProfilerState { - int enabled; /* Is profiling currently enabled? */ - time_t start_time; /* If enabled, when was profiling started? */ - char profile_name[1024]; /* Name of profile file being written, or '\0' */ - int samples_gathered; /* Number of samples gathered so far (or 0) */ -}; -PERFTOOLS_DLL_DECL void ProfilerGetCurrentState(struct ProfilerState* state); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif /* BASE_PROFILER_H_ */ |