On 05/29/2018 11:24 AM, Jeffrin Jose T wrote:

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@gmail.com

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);

Thanks, Applied to linux-kselftest next for 4.18-rc1

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