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Diffstat (limited to 'libparc/parc/developer/parc_TimingGeneric.h')
-rwxr-xr-x | libparc/parc/developer/parc_TimingGeneric.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libparc/parc/developer/parc_TimingGeneric.h b/libparc/parc/developer/parc_TimingGeneric.h new file mode 100755 index 00000000..8c1d4468 --- /dev/null +++ b/libparc/parc/developer/parc_TimingGeneric.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * 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. + */ + +/** + * @file parc_TimingGeneric.h + * @brief Macros for timing code + * + * We cannot do any better than gettimeofday + * + */ +#ifndef libparc_parc_TimingLinux_h +#define libparc_parc_TimingLinux_h + +#include <stdint.h> +#include <time.h> +#include <sys/time.h> + +#ifdef PARCTIMING_GENERIC + +#define _private_parcTiming_Init(prefix) \ + struct timeval prefix ## _ts0, prefix ## _ts1, prefix ## _delta; + +#define _private_parcTiming_Start(prefix) \ + gettimeofday(&(prefix ## _ts0), NULL); + +#define _private_parcTiming_Stop(prefix) \ + gettimeofday(&(prefix ## _ts1), NULL); + +static inline uint64_t +_parcTimingGeneric_Delta(const struct timeval *t0, const struct timeval *t1) +{ + struct timeval delta; + timersub(t1, t0, &delta); + return (uint64_t) delta.tv_sec * 1000000ULL + delta.tv_usec; +} + +#define _private_parcTiming_Delta(prefix) _parcTimingGeneric_Delta(&(prefix ## _ts0), &(prefix ## _ts1)) + +// No teardown work that we need to do +#define _private_parcTiming_Fini(prefix) + +#endif // PARCTIMING_GENERIC +#endif // libparc_parc_TimingLinux_h + |