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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/powerpc/benchmarks/gettimeofday.c')
-rw-r--r--tools/testing/selftests/powerpc/benchmarks/gettimeofday.c33
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");
+}