Additional message along with an error message which is more
verbose for debug support from aperf.c and updated with the
new return value "KSFT_SKIP".
Signed-off-by: Jeffrin Jose T [Rajagiri SET] <ahiliation@xxxxxxxxx>
---
tools/testing/selftests/intel_pstate/aperf.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/intel_pstate/aperf.c b/tools/testing/selftests/intel_pstate/aperf.c
index d21edea9c560..f6cd03a87493 100644
--- a/tools/testing/selftests/intel_pstate/aperf.c
+++ b/tools/testing/selftests/intel_pstate/aperf.c
@@ -9,6 +9,8 @@
#include <sys/timeb.h>
#include <sched.h>
#include <errno.h>
+#include <string.h>
+#include "../kselftest.h"
void usage(char *name) {
printf ("Usage: %s cpunum\n", name);
@@ -41,8 +43,8 @@ int main(int argc, char **argv) {
fd = open(msr_file_name, O_RDONLY);
if (fd == -1) {
- perror("Failed to open");
- return 1;
+ printf("/dev/cpu/%d/msr: %s\n", cpu, strerror(errno));
+ return KSFT_SKIP;
}
CPU_ZERO(&cpuset);
--
2.17.0
--
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