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authorTony Lindgren <tony@atomide.com>2017-03-06 08:37:53 -0800
committerTony Lindgren <tony@atomide.com>2017-03-06 08:37:53 -0800
commite24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch)
treec219c2ec183633aa15841fca5b055a09d2d0b980 /tools/perf/tests/unit_number__scnprintf.c
parentb92675d998a9fa37fe9e0e35053a95b4a23c158b (diff)
parentc1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff)
downloadtalos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.tar.gz
talos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.zip
Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'tools/perf/tests/unit_number__scnprintf.c')
-rw-r--r--tools/perf/tests/unit_number__scnprintf.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/perf/tests/unit_number__scnprintf.c b/tools/perf/tests/unit_number__scnprintf.c
new file mode 100644
index 000000000000..623c2aa53c4a
--- /dev/null
+++ b/tools/perf/tests/unit_number__scnprintf.c
@@ -0,0 +1,37 @@
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include "tests.h"
+#include "util.h"
+#include "debug.h"
+
+int test__unit_number__scnprint(int subtest __maybe_unused)
+{
+ struct {
+ u64 n;
+ const char *str;
+ } test[] = {
+ { 1, "1B" },
+ { 10*1024, "10K" },
+ { 20*1024*1024, "20M" },
+ { 30*1024*1024*1024ULL, "30G" },
+ { 0, "0B" },
+ { 0, NULL },
+ };
+ unsigned i = 0;
+
+ while (test[i].str) {
+ char buf[100];
+
+ unit_number__scnprintf(buf, sizeof(buf), test[i].n);
+
+ pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
+ test[i].n, test[i].str, buf);
+
+ if (strcmp(test[i].str, buf))
+ return TEST_FAIL;
+
+ i++;
+ }
+
+ return TEST_OK;
+}
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