[PATCH v6 07/16] selftests/resctrl: Rename measure_vals() to measure_mem_bw_vals() & document

From: Ilpo Järvinen
Date: Fri Jun 07 2024 - 08:55:05 EST


measure_vals() is awfully generic name so rename it to measure_mem_bw()
to describe better what it does and document the function parameters.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Tested-by: Babu Moger <babu.moger@xxxxxxx>
Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---

v5:
- Typo fix to commit message
- Consistent caps in kerneldoc
---
tools/testing/selftests/resctrl/resctrl_val.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index 37e28599bfd3..7eaf3cd0f024 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -632,13 +632,18 @@ static void initialize_llc_occu_resctrl(const char *ctrlgrp, const char *mongrp,
}

/*
+ * measure_mem_bw - Measures memory bandwidth numbers while benchmark runs
+ * @uparams: User supplied parameters
+ * @param: Parameters passed to resctrl_val()
+ * @bm_pid: PID that runs the benchmark
+ *
* Measure memory bandwidth from resctrl and from another source which is
* perf imc value or could be something else if perf imc event is not
* available. Compare the two values to validate resctrl value. It takes
* 1 sec to measure the data.
*/
-static int measure_vals(const struct user_params *uparams,
- struct resctrl_val_param *param, pid_t bm_pid)
+static int measure_mem_bw(const struct user_params *uparams,
+ struct resctrl_val_param *param, pid_t bm_pid)
{
unsigned long bw_resc, bw_resc_start, bw_resc_end;
FILE *mem_bw_fp;
@@ -902,7 +907,7 @@ int resctrl_val(const struct resctrl_test *test,

if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) ||
!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
- ret = measure_vals(uparams, param, bm_pid);
+ ret = measure_mem_bw(uparams, param, bm_pid);
if (ret)
break;
} else if (!strncmp(resctrl_val, CMT_STR, sizeof(CMT_STR))) {
--
2.39.2