Commit d17475d9 authored by Michael Neuling's avatar Michael Neuling Committed by Michael Ellerman

powerpc/selftest: Add gettimeofday() benchmark

This adds a benchmark directory to the powerpc selftests and adds a
gettimeofday() benchmark to it.
Suggested-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 26cd835e
...@@ -12,7 +12,7 @@ CFLAGS := -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CUR ...@@ -12,7 +12,7 @@ CFLAGS := -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CUR
export CFLAGS export CFLAGS
SUB_DIRS = pmu copyloops mm tm primitives stringloops vphn switch_endian dscr SUB_DIRS = pmu copyloops mm tm primitives stringloops vphn switch_endian dscr benchmarks
endif endif
......
TEST_PROGS := gettimeofday
CFLAGS += -O2
all: $(TEST_PROGS)
$(TEST_PROGS): ../harness.c
include ../../lib.mk
clean:
rm -f $(TEST_PROGS) *.o
/*
* Copyright 2015, Anton Blanchard, IBM Corp.
* Licensed under GPLv2.
*/
#include <sys/time.h>
#include <stdio.h>
#include "utils.h"
static int test_gettimeofday(void)
{
int i;
struct timeval tv_start, tv_end;
gettimeofday(&tv_start, NULL);
for(i = 0; i < 100000000; i++) {
gettimeofday(&tv_end, NULL);
}
printf("time = %.6f\n", tv_end.tv_sec - tv_start.tv_sec + (tv_end.tv_usec - tv_start.tv_usec) * 1e-6);
return 0;
}
int main(void)
{
return test_harness(test_gettimeofday, "gettimeofday");
}
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