From 20175d5eac5bb94a7a3719ef275337fc9abf26ac Mon Sep 17 00:00:00 2001
From: Shuah Khan <skhan@linuxfoundation.org>
Date: Wed, 15 Sep 2021 15:28:08 -0600
Subject: selftests: kvm: move get_run_delay() into lib/test_util
get_run_delay() is defined static in xen_shinfo_test and steal_time test.
Move it to lib and remove code duplication.
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
tools/testing/selftests/kvm/lib/test_util.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
(limited to 'tools/testing/selftests/kvm/lib/test_util.c')
diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c
index 938cd423643e..f80dd38a38b2 100644
--- a/tools/testing/selftests/kvm/lib/test_util.c
+++ b/tools/testing/selftests/kvm/lib/test_util.c
@@ -11,6 +11,7 @@
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>
+#include <sys/syscall.h>
#include <linux/mman.h>
#include "linux/kernel.h"
@@ -303,3 +304,17 @@ enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name)
TEST_FAIL("Unknown backing src type: %s", type_name);
return -1;
}
+
+long get_run_delay(void)
+{
+ char path[64];
+ long val[2];
+ FILE *fp;
+
+ sprintf(path, "/proc/%ld/schedstat", syscall(SYS_gettid));
+ fp = fopen(path, "r");
+ fscanf(fp, "%ld %ld ", &val[0], &val[1]);
+ fclose(fp);
+
+ return val[1];
+}
--
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