| /* |
| * |
| * Copyright 2015, 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_PROFILING_TIMERS_H |
| #define GRPC_CORE_PROFILING_TIMERS_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void gpr_timers_global_init(void); |
| void gpr_timers_global_destroy(void); |
| |
| void gpr_timer_add_mark(const char *tagstr, int important, const char *file, |
| int line); |
| void gpr_timer_begin(const char *tagstr, int important, const char *file, |
| int line); |
| void gpr_timer_end(const char *tagstr, int important, const char *file, |
| int line); |
| |
| void gpr_timers_set_log_filename(const char *filename); |
| |
| #if !(defined(GRPC_STAP_PROFILER) + defined(GRPC_BASIC_PROFILER)) |
| /* No profiling. No-op all the things. */ |
| #define GPR_TIMER_MARK(tag, important) \ |
| do { \ |
| } while (0) |
| |
| #define GPR_TIMER_BEGIN(tag, important) \ |
| do { \ |
| } while (0) |
| |
| #define GPR_TIMER_END(tag, important) \ |
| do { \ |
| } while (0) |
| |
| #else /* at least one profiler requested... */ |
| /* ... hopefully only one. */ |
| #if defined(GRPC_STAP_PROFILER) && defined(GRPC_BASIC_PROFILER) |
| #error "GRPC_STAP_PROFILER and GRPC_BASIC_PROFILER are mutually exclusive." |
| #endif |
| |
| /* Generic profiling interface. */ |
| #define GPR_TIMER_MARK(tag, important) \ |
| gpr_timer_add_mark(tag, important, __FILE__, __LINE__); |
| |
| #define GPR_TIMER_BEGIN(tag, important) \ |
| gpr_timer_begin(tag, important, __FILE__, __LINE__); |
| |
| #define GPR_TIMER_END(tag, important) \ |
| gpr_timer_end(tag, important, __FILE__, __LINE__); |
| |
| #ifdef GRPC_STAP_PROFILER |
| /* Empty placeholder for now. */ |
| #endif /* GRPC_STAP_PROFILER */ |
| |
| #ifdef GRPC_BASIC_PROFILER |
| /* Empty placeholder for now. */ |
| #endif /* GRPC_BASIC_PROFILER */ |
| |
| #endif /* at least one profiler requested. */ |
| |
| #ifdef __cplusplus |
| } |
| |
| #if (defined(GRPC_STAP_PROFILER) + defined(GRPC_BASIC_PROFILER)) |
| namespace grpc { |
| class ProfileScope { |
| public: |
| ProfileScope(const char *desc, bool important) : desc_(desc) { |
| GPR_TIMER_BEGIN(desc_, important ? 1 : 0); |
| } |
| ~ProfileScope() { GPR_TIMER_END(desc_, 0); } |
| |
| private: |
| const char *const desc_; |
| }; |
| } |
| |
| #define GPR_TIMER_SCOPE(tag, important) \ |
| ::grpc::ProfileScope _profile_scope_##__LINE__((tag), (important)) |
| #else |
| #define GPR_TIMER_SCOPE(tag, important) \ |
| do { \ |
| } while (false) |
| #endif |
| #endif |
| |
| #endif /* GRPC_CORE_PROFILING_TIMERS_H */ |