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Message-ID: <175ac98f-481f-46e2-a3f7-206b64d8b0e9@collabora.com>
Date: Mon, 1 Jul 2024 13:36:04 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Shuah Khan <shuah@...nel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>, kernel@...labora.com,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] selftests/thermel/intel: conform the test to TAP
output
Soft reminder
On 5/22/24 10:06 PM, 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/workload_hint/workload_hint_test.c | 98 ++++++++-----------
> 1 file changed, 39 insertions(+), 59 deletions(-)
>
> diff --git a/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c b/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
> index 217c3a641c537..d107c2d6f3a22 100644
> --- a/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
> +++ b/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
> @@ -9,6 +9,7 @@
> #include <fcntl.h>
> #include <poll.h>
> #include <signal.h>
> +#include "../../../kselftest.h"
>
> #define WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/notification_delay_ms"
> #define WORKLOAD_ENABLE_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/workload_hint_enable"
> @@ -31,17 +32,13 @@ void workload_hint_exit(int signum)
> /* Disable feature via sysfs knob */
>
> fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);
> - if (fd < 0) {
> - perror("Unable to open workload type feature enable file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open workload type feature enable file");
>
> - if (write(fd, "0\n", 2) < 0) {
> - perror("Can' disable workload hints\n");
> - exit(1);
> - }
> + if (write(fd, "0\n", 2) < 0)
> + ksft_exit_fail_perror("Can' disable workload hints");
>
> - printf("Disabled workload type prediction\n");
> + ksft_print_msg("Disabled workload type prediction\n");
>
> close(fd);
> }
> @@ -54,32 +51,27 @@ int main(int argc, char **argv)
> char delay_str[64];
> int delay = 0;
>
> - printf("Usage: workload_hint_test [notification delay in milli seconds]\n");
> + ksft_print_header();
> + ksft_set_plan(1);
> +
> + ksft_print_msg("Usage: workload_hint_test [notification delay in milli seconds]\n");
>
> if (argc > 1) {
> ret = sscanf(argv[1], "%d", &delay);
> - if (ret < 0) {
> - printf("Invalid delay\n");
> - exit(1);
> - }
> + if (ret < 0)
> + ksft_exit_fail_perror("Invalid delay");
>
> - printf("Setting notification delay to %d ms\n", delay);
> + ksft_print_msg("Setting notification delay to %d ms\n", delay);
> if (delay < 0)
> - exit(1);
> -
> - sprintf(delay_str, "%s\n", argv[1]);
> + ksft_exit_fail_msg("delay can never be negative\n");
>
> sprintf(delay_str, "%s\n", argv[1]);
> fd = open(WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE, O_RDWR);
> - if (fd < 0) {
> - perror("Unable to open workload notification delay\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open workload notification delay");
>
> - if (write(fd, delay_str, strlen(delay_str)) < 0) {
> - perror("Can't set delay\n");
> - exit(1);
> - }
> + if (write(fd, delay_str, strlen(delay_str)) < 0)
> + ksft_exit_fail_perror("Can't set delay");
>
> close(fd);
> }
> @@ -93,63 +85,51 @@ int main(int argc, char **argv)
>
> /* Enable feature via sysfs knob */
> fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);
> - if (fd < 0) {
> - perror("Unable to open workload type feature enable file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open workload type feature enable file");
>
> - if (write(fd, "1\n", 2) < 0) {
> - perror("Can' enable workload hints\n");
> - exit(1);
> - }
> + if (write(fd, "1\n", 2) < 0)
> + ksft_exit_fail_perror("Can' enable workload hints");
>
> close(fd);
>
> - printf("Enabled workload type prediction\n");
> + ksft_print_msg("Enabled workload type prediction\n");
>
> while (1) {
> fd = open(WORKLOAD_TYPE_INDEX_ATTRIBUTE, O_RDONLY);
> - if (fd < 0) {
> - perror("Unable to open workload type file\n");
> - exit(1);
> - }
> + if (fd < 0)
> + ksft_exit_fail_perror("Unable to open workload type 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");
>
> - if (read(fd, index_str, sizeof(index_str)) < 0) {
> - fprintf(stderr, "Failed to read from:%s\n",
> - WORKLOAD_TYPE_INDEX_ATTRIBUTE);
> - exit(1);
> - }
> + if (read(fd, index_str, sizeof(index_str)) < 0)
> + ksft_exit_fail_perror("Failed to read from: workload_type_index");
>
> ufd.fd = fd;
> ufd.events = POLLPRI;
>
> ret = poll(&ufd, 1, -1);
> if (ret < 0) {
> - perror("poll error");
> - exit(1);
> + ksft_exit_fail_perror("poll error");
> } 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_perror("Failed to set pointer to beginning");
>
> - if (read(fd, index_str, sizeof(index_str)) < 0)
> - exit(0);
> + if (read(fd, index_str, sizeof(index_str)) < 0) {
> + ksft_test_result_pass("Successfully read\n");
> + ksft_finished();
> + }
>
> ret = sscanf(index_str, "%d", &index);
> if (ret < 0)
> break;
> if (index > WORKLOAD_TYPE_MAX_INDEX)
> - printf("Invalid workload type index\n");
> + ksft_print_msg("Invalid workload type index\n");
> else
> - printf("workload type:%s\n", workload_types[index]);
> + ksft_print_msg("workload type:%s\n", workload_types[index]);
> }
>
> close(fd);
--
BR,
Muhammad Usama Anjum
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