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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_CORE_LIB_PROFILING_TIMERS_H
#define GRPC_CORE_LIB_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);
void gpr_timer_set_enabled(int enabled);
#if !(defined(GRPC_STAP_PROFILER) + defined(GRPC_BASIC_PROFILER) + \
defined(GRPC_CUSTOM_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
#if defined(GRPC_STAP_PROFILER) && defined(GRPC_CUSTOM_PROFILER)
#error "GRPC_STAP_PROFILER and GRPC_CUSTOM_PROFILER are mutually exclusive."
#endif
#if defined(GRPC_CUSTOM_PROFILER) && defined(GRPC_BASIC_PROFILER)
#error "GRPC_CUSTOM_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) + \
defined(GRPC_CUSTOM_PROFILER))
namespace grpc {
class ProfileScope {
public:
ProfileScope(const char *desc, bool important, const char *file, int line)
: desc_(desc) {
gpr_timer_begin(desc_, important ? 1 : 0, file, line);
}
~ProfileScope() { gpr_timer_end(desc_, 0, "n/a", 0); }
private:
const char *const desc_;
};
} // namespace grpc
#define GPR_TIMER_SCOPE(tag, important) \
::grpc::ProfileScope _profile_scope_##__LINE__((tag), (important), __FILE__, \
__LINE__)
#else
#define GPR_TIMER_SCOPE(tag, important) \
do { \
} while (false)
#endif
#endif
#endif /* GRPC_CORE_LIB_PROFILING_TIMERS_H */
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