From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001
From: José Pekkarinen <jose.pekkarinen@nokia.com>
Date: Mon, 11 Apr 2016 10:41:07 +0300
Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources
 are taken from kernel.org, and rt patch from the rt wiki download page.
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During the rebasing, the following patch collided:

Force tick interrupt and get rid of softirq magic(I70131fb85).

Collisions have been removed because its logic was found on the
source already.

Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
---
 .../selftests/powerpc/benchmarks/.gitignore        |  1 +
 .../testing/selftests/powerpc/benchmarks/Makefile  | 12 +++++++++
 .../selftests/powerpc/benchmarks/gettimeofday.c    | 31 ++++++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 kernel/tools/testing/selftests/powerpc/benchmarks/.gitignore
 create mode 100644 kernel/tools/testing/selftests/powerpc/benchmarks/Makefile
 create mode 100644 kernel/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c

(limited to 'kernel/tools/testing/selftests/powerpc/benchmarks')

diff --git a/kernel/tools/testing/selftests/powerpc/benchmarks/.gitignore b/kernel/tools/testing/selftests/powerpc/benchmarks/.gitignore
new file mode 100644
index 000000000..b4709ea58
--- /dev/null
+++ b/kernel/tools/testing/selftests/powerpc/benchmarks/.gitignore
@@ -0,0 +1 @@
+gettimeofday
diff --git a/kernel/tools/testing/selftests/powerpc/benchmarks/Makefile b/kernel/tools/testing/selftests/powerpc/benchmarks/Makefile
new file mode 100644
index 000000000..5fa487020
--- /dev/null
+++ b/kernel/tools/testing/selftests/powerpc/benchmarks/Makefile
@@ -0,0 +1,12 @@
+TEST_PROGS := gettimeofday
+
+CFLAGS += -O2
+
+all: $(TEST_PROGS)
+
+$(TEST_PROGS): ../harness.c
+
+include ../../lib.mk
+
+clean:
+	rm -f $(TEST_PROGS) *.o
diff --git a/kernel/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c b/kernel/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
new file mode 100644
index 000000000..3af3c21e8
--- /dev/null
+++ b/kernel/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c
@@ -0,0 +1,31 @@
+/*
+ * 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");
+}
-- 
cgit 1.2.3-korg