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Diffstat (limited to 'src/core/profiling/timers_preciseclock.h')
| -rw-r--r-- | src/core/profiling/timers_preciseclock.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/core/profiling/timers_preciseclock.h b/src/core/profiling/timers_preciseclock.h new file mode 100644 index 0000000000..bf4a0eab8a --- /dev/null +++ b/src/core/profiling/timers_preciseclock.h @@ -0,0 +1,56 @@ +/* + * + * 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_PRECISECLOCK_H +#define GRPC_CORE_PROFILING_TIMERS_PRECISECLOCK_H + +#include <grpc/support/time.h> +#include <stdio.h> + +typedef struct grpc_precise_clock grpc_precise_clock; + +#ifdef GRPC_TIMERS_RDTSC +#error RDTSC timers not currently supported +#else +struct grpc_precise_clock { + gpr_timespec clock; +}; +static void grpc_precise_clock_now(grpc_precise_clock* clk) { + clk->clock = gpr_now(); +} +static void grpc_precise_clock_print(const grpc_precise_clock* clk, FILE* fp) { + fprintf(fp, "%ld.%09d", clk->clock.tv_sec, clk->clock.tv_nsec); +} +#endif /* GRPC_TIMERS_RDTSC */ + +#endif /* GRPC_CORE_PROFILING_TIMERS_PRECISECLOCK_H */ |