src/core/profiling/timers.h

/*
 *
 * 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#ifndef GRPC_TIMERS_H
#define GRPC_TIMERS_H

#include <stdio.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifdef GRPC_LATENCY_PROFILER

typedef struct grpc_timers_log grpc_timers_log;

grpc_timers_log* grpc_timers_log_create(int capacity_limit, FILE *dump,
                                        const char *fmt);
void grpc_timers_log_add(grpc_timers_log *, const char *tag, int seq,
                        const char *file, int line);
void grpc_timers_log_destroy(grpc_timers_log *);

extern grpc_timers_log *grpc_timers_log_global;

#define GRPC_TIMER_MARK(x, s) grpc_timers_log_add(grpc_timers_log_global, #x, \
    s, __FILE__, __LINE__)

#else /* !GRPC_LATENCY_PROFILER */
#define GRPC_TIMER_MARK(x, s) do {} while (0)
#endif /* GRPC_LATENCY_PROFILER */

void grpc_timers_log_global_init(void);
void grpc_timers_log_global_destroy(void);

#ifdef __cplusplus
}
#endif

#endif /* GRPC_TIMERS_H */