On 05/18/2018 08:05 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 <jeff...@rajagiritech.edu.in>
> ---
> 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. I will queue this up for 4.18-rc1
thanks,
-- Shuah
