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authorDaniel Vetter <daniel.vetter@ffwll.ch>2024-02-26 11:41:07 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2024-02-26 11:41:07 +0100
commitf112b68f273fb0121cb64e0c3ac06adcb91e32b8 (patch)
tree8e5ca44719c39e6d37d9a85c6c1b5759952e3da7 /tools/testing/selftests/kvm/lib/test_util.c
parentaa775edbbe7b44cc732bfa7c56ac3957d84113d5 (diff)
parentd206a76d7d2726f3b096037f2079ce0bd3ba329b (diff)
Merge v6.8-rc6 into drm-next
Thomas Zimmermann asked to backmerge -rc6 for drm-misc branches, there's a few same-area-changed conflicts (xe and amdgpu mostly) that are getting a bit too annoying. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/test_util.c')
-rw-r--r--tools/testing/selftests/kvm/lib/test_util.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c
index 5d7f28b02d73..5a8f8becb129 100644
--- a/tools/testing/selftests/kvm/lib/test_util.c
+++ b/tools/testing/selftests/kvm/lib/test_util.c
@@ -392,3 +392,28 @@ char *strdup_printf(const char *fmt, ...)
return str;
}
+
+#define CLOCKSOURCE_PATH "/sys/devices/system/clocksource/clocksource0/current_clocksource"
+
+char *sys_get_cur_clocksource(void)
+{
+ char *clk_name;
+ struct stat st;
+ FILE *fp;
+
+ fp = fopen(CLOCKSOURCE_PATH, "r");
+ TEST_ASSERT(fp, "failed to open clocksource file, errno: %d", errno);
+
+ TEST_ASSERT(!fstat(fileno(fp), &st), "failed to stat clocksource file, errno: %d",
+ errno);
+
+ clk_name = malloc(st.st_size);
+ TEST_ASSERT(clk_name, "failed to allocate buffer to read file");
+
+ TEST_ASSERT(fgets(clk_name, st.st_size, fp), "failed to read clocksource file: %d",
+ ferror(fp));
+
+ fclose(fp);
+
+ return clk_name;
+}