From: ahiliation@gmail.com (Jeffrin Jose T) Date: Tue, 29 May 2018 22:54:36 +0530 Subject: [PATCH] [RESEND] selftest: intel_pstate: debug support message from aperf.c and return value fix. Message-ID: <20180529172436.4432-1-ahiliation@gmail.com> Content-Type: text/plain; charset="UTF-8" Message-ID: <20180529172436.VxDRHRXxLklrtOTkT1baUwl-zN01Q1L56pxtMHpq4mg@z> 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] --- 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 #include #include +#include +#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 -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html