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Diffstat (limited to 'test/perf/linux/clock_gettime_benchmark.cc')
-rw-r--r-- | test/perf/linux/clock_gettime_benchmark.cc | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/test/perf/linux/clock_gettime_benchmark.cc b/test/perf/linux/clock_gettime_benchmark.cc deleted file mode 100644 index 6691bebd9..000000000 --- a/test/perf/linux/clock_gettime_benchmark.cc +++ /dev/null @@ -1,60 +0,0 @@ -// Copyright 2020 The gVisor 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. - -#include <pthread.h> -#include <time.h> - -#include "gtest/gtest.h" -#include "absl/time/clock.h" -#include "absl/time/time.h" -#include "benchmark/benchmark.h" - -namespace gvisor { -namespace testing { - -namespace { - -void BM_ClockGettimeThreadCPUTime(benchmark::State& state) { - clockid_t clockid; - ASSERT_EQ(0, pthread_getcpuclockid(pthread_self(), &clockid)); - struct timespec tp; - - for (auto _ : state) { - clock_gettime(clockid, &tp); - } -} - -BENCHMARK(BM_ClockGettimeThreadCPUTime); - -void BM_VDSOClockGettime(benchmark::State& state) { - const clockid_t clock = state.range(0); - struct timespec tp; - absl::Time start = absl::Now(); - - // Don't benchmark the calibration phase. - while (absl::Now() < start + absl::Milliseconds(2100)) { - clock_gettime(clock, &tp); - } - - for (auto _ : state) { - clock_gettime(clock, &tp); - } -} - -BENCHMARK(BM_VDSOClockGettime)->Arg(CLOCK_MONOTONIC)->Arg(CLOCK_REALTIME); - -} // namespace - -} // namespace testing -} // namespace gvisor |