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Message-ID: <fcb772ac7d5acbd475fa9316994e8b7410ac14a3.camel@linux.intel.com>
Date: Mon, 01 Jul 2024 02:40:45 -0700
From: srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>, Shuah Khan
<shuah@...nel.org>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: kernel@...labora.com, linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] selftests/thermel/intel: conform the test to TAP
output
On Wed, 2024-05-22 at 10:06 -0700, Muhammad Usama Anjum wrote:
> Conform the layout, informational and status messages to TAP. No
> functional change is intended other than the layout of output
> messages.
>
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
> .../intel/power_floor/power_floor_test.c | 68 ++++++++---------
> --
> 1 file changed, 28 insertions(+), 40 deletions(-)
>
> diff --git
> a/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.
> c
> b/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.
> c
> index 0326b39a11b91..1626c6d92e621 100644
> ---
> a/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.
> c
> +++
> b/tools/testing/selftests/thermal/intel/power_floor/power_floor_test.
> c
> @@ -9,6 +9,7 @@
> #include <fcntl.h>
> #include <poll.h>
> #include <signal.h>
> +#include "../../../kselftest.h"
>
> #define POWER_FLOOR_ENABLE_ATTRIBUTE
> "/sys/bus/pci/devices/0000:00:04.0/power_limits/power_floor_enable"
> #define POWER_FLOOR_STATUS_ATTRIBUTE
> "/sys/bus/pci/devices/0000:00:04.0/power_limits/power_floor_status"
> @@ -20,17 +21,13 @@ void power_floor_exit(int signum)
> /* Disable feature via sysfs knob */
>
> fd = open(POWER_FLOOR_ENABLE_ATTRIBUTE, O_RDWR);
> - if (fd < 0) {
> - perror("Unable to open power floor enable file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open power floor
> enable file");
>
> - if (write(fd, "0\n", 2) < 0) {
> - perror("Can' disable power floor notifications\n");
> - exit(1);
> - }
> + if (write(fd, "0\n", 2) < 0)
> + ksft_exit_fail_perror("Can' disable power floor
> notifications");
>
> - printf("Disabled power floor notifications\n");
> + ksft_print_msg("Disabled power floor notifications\n");
>
> close(fd);
> }
> @@ -41,6 +38,9 @@ int main(int argc, char **argv)
> char status_str[3];
> int fd, ret;
>
> + ksft_print_header();
> + ksft_set_plan(1);
> +
> if (signal(SIGINT, power_floor_exit) == SIG_IGN)
> signal(SIGINT, SIG_IGN);
> if (signal(SIGHUP, power_floor_exit) == SIG_IGN)
> @@ -50,57 +50,45 @@ int main(int argc, char **argv)
>
> /* Enable feature via sysfs knob */
> fd = open(POWER_FLOOR_ENABLE_ATTRIBUTE, O_RDWR);
> - if (fd < 0) {
> - perror("Unable to open power floor enable file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open power floor
> enable file");
>
> - if (write(fd, "1\n", 2) < 0) {
> - perror("Can' enable power floor notifications\n");
> - exit(1);
> - }
> + if (write(fd, "1\n", 2) < 0)
> + ksft_exit_fail_perror("Can' enable power floor
> notifications");
>
> close(fd);
>
> - printf("Enabled power floor notifications\n");
> + ksft_print_msg("Enabled power floor notifications\n");
>
> while (1) {
> fd = open(POWER_FLOOR_STATUS_ATTRIBUTE, O_RDONLY);
> - if (fd < 0) {
> - perror("Unable to power floor status
> file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to power floor
> status file");
>
> - if ((lseek(fd, 0L, SEEK_SET)) < 0) {
> - fprintf(stderr, "Failed to set pointer to
> beginning\n");
> - exit(1);
> - }
> + if ((lseek(fd, 0L, SEEK_SET)) < 0)
> + ksft_exit_fail_perror("Failed to set pointer
> to beginning\n");
>
> if (read(fd, status_str, sizeof(status_str)) < 0) {
> - fprintf(stderr, "Failed to read from:%s\n",
> - POWER_FLOOR_STATUS_ATTRIBUTE);
> - exit(1);
> - }
> + ksft_exit_fail_perror(stderr, "Failed to read
> from: power_floor_status");
>
> ufd.fd = fd;
> ufd.events = POLLPRI;
>
> ret = poll(&ufd, 1, -1);
> if (ret < 0) {
> - perror("poll error");
> - exit(1);
> + ksft_exit_fail_msg("Poll error\n");
> } else if (ret == 0) {
> - printf("Poll Timeout\n");
> + ksft_print_msg("Poll Timeout\n");
> } else {
> - if ((lseek(fd, 0L, SEEK_SET)) < 0) {
> - fprintf(stderr, "Failed to set
> pointer to beginning\n");
> - exit(1);
> - }
> + if ((lseek(fd, 0L, SEEK_SET)) < 0)
> + ksft_exit_fail_msg("Failed to set
> pointer to beginning\n");
>
> - if (read(fd, status_str, sizeof(status_str))
> < 0)
> - exit(0);
> + if (read(fd, status_str, sizeof(status_str))
> < 0) {
> + ksft_test_result_pass("Successfully
> read\n");
Same comment as for 1/2.
Thanks,
Srinivas
> + ksft_finished();
> + }
>
> - printf("power floor status: %s\n",
> status_str);
> + ksft_print_msg("power floor status: %s\n",
> status_str);
> }
>
> close(fd);
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