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Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/powerpc/benchmarks/gettimeofday.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c new file mode 100644 index 000000000..580fcac0a --- /dev/null +++ b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2015, Anton Blanchard, IBM Corp. + */ + +#include <sys/time.h> +#include <stdio.h> + +#include "utils.h" + +static int test_gettimeofday(void) +{ + int i; + + struct timeval tv_start, tv_end, tv_diff; + + gettimeofday(&tv_start, NULL); + + for(i = 0; i < 100000000; i++) { + gettimeofday(&tv_end, NULL); + } + + timersub(&tv_start, &tv_end, &tv_diff); + + printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6); + + return 0; +} + +int main(void) +{ + return test_harness(test_gettimeofday, "gettimeofday"); +} |