[PATCH v3 06/16] selftests/resctrl: Use correct type for pids

From: Ilpo Järvinen
Date: Mon Apr 08 2024 - 12:35:14 EST


A few functions receive PIDs through int arguments. PIDs variables
should be of type pid_t, not int.

Convert pid arguments from int to pid_t.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
tools/testing/selftests/resctrl/cache.c | 6 +++---
tools/testing/selftests/resctrl/resctrl.h | 4 ++--
tools/testing/selftests/resctrl/resctrl_val.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/resctrl/cache.c b/tools/testing/selftests/resctrl/cache.c
index 1b339d6bbff1..9b74fce80037 100644
--- a/tools/testing/selftests/resctrl/cache.c
+++ b/tools/testing/selftests/resctrl/cache.c
@@ -101,7 +101,7 @@ static int get_llc_occu_resctrl(unsigned long *llc_occupancy)
*
* Return: 0 on success, < 0 on error.
*/
-static int print_results_cache(const char *filename, int bm_pid, __u64 llc_value)
+static int print_results_cache(const char *filename, pid_t bm_pid, __u64 llc_value)
{
FILE *fp;

@@ -133,7 +133,7 @@ static int print_results_cache(const char *filename, int bm_pid, __u64 llc_value
* Return: =0 on success. <0 on failure.
*/
int perf_event_measure(int pe_fd, struct perf_event_read *pe_read,
- const char *filename, int bm_pid)
+ const char *filename, pid_t bm_pid)
{
int ret;

@@ -161,7 +161,7 @@ int perf_event_measure(int pe_fd, struct perf_event_read *pe_read,
*
* Return: =0 on success. <0 on failure.
*/
-int measure_llc_resctrl(const char *filename, int bm_pid)
+int measure_llc_resctrl(const char *filename, pid_t bm_pid)
{
unsigned long llc_occu_resc = 0;
int ret;
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 00d51fa7531c..e6f221236c79 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -174,8 +174,8 @@ void perf_event_initialize_read_format(struct perf_event_read *pe_read);
int perf_open(struct perf_event_attr *pea, pid_t pid, int cpu_no);
int perf_event_reset_enable(int pe_fd);
int perf_event_measure(int pe_fd, struct perf_event_read *pe_read,
- const char *filename, int bm_pid);
-int measure_llc_resctrl(const char *filename, int bm_pid);
+ const char *filename, pid_t bm_pid);
+int measure_llc_resctrl(const char *filename, pid_t bm_pid);
void show_cache_info(int no_of_bits, __u64 avg_llc_val, size_t cache_span, bool lines);

/*
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index 9753914b2250..5ef97d171cef 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -563,7 +563,7 @@ void signal_handler_unregister(void)
*
* Return: 0 on success, < 0 on error.
*/
-static int print_results_bw(char *filename, int bm_pid, float bw_imc,
+static int print_results_bw(char *filename, pid_t bm_pid, float bw_imc,
unsigned long bw_resc)
{
unsigned long diff = fabs(bw_imc - bw_resc);
--
2.39.2