[PATCH v2 24/26] selftests/resctrl: Rename resource ID to domain ID

Ilpo Järvinen
2023-11-20T11:18:46Z

Kernel-side calls the instances of a resource domains.

Change the resource_id naming in the selftest code to domain_id to
match the kernel side better.

Suggested-by: Maciej Wieczór-Retman <maciej.wieczor-retman@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
tools/testing/selftests/resctrl/resctrl.h | 2 +-
tools/testing/selftests/resctrl/resctrl_val.c | 30 +++++++++----------
tools/testing/selftests/resctrl/resctrlfs.c | 18 +++++------
3 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index ed7a69578daf..280ab6b6bd07 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -124,7 +124,7 @@ extern char llc_occup_path[1024];
int get_vendor(void);
bool check_resctrlfs_support(void);
int filter_dmesg(void);
-int get_resource_id(int cpu_no, int *resource_id);
+int get_domain_id(int cpu_no, int *domain_id);
int mount_resctrlfs(void);
int umount_resctrlfs(void);
int validate_bw_report_request(char *bw_report);
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index 4e0c356b7f18..f278f5c9195c 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -387,20 +387,20 @@ static int get_mem_bw_imc(int cpu_no, char *bw_report, float *bw_imc)
return 0;
}

-void set_mbm_path(const char *ctrlgrp, const char *mongrp, int resource_id)
+void set_mbm_path(const char *ctrlgrp, const char *mongrp, int domain_id)
{
if (ctrlgrp && mongrp)
sprintf(mbm_total_path, CON_MON_MBM_LOCAL_BYTES_PATH,
- RESCTRL_PATH, ctrlgrp, mongrp, resource_id);
+ RESCTRL_PATH, ctrlgrp, mongrp, domain_id);
else if (!ctrlgrp && mongrp)
sprintf(mbm_total_path, MON_MBM_LOCAL_BYTES_PATH, RESCTRL_PATH,
- mongrp, resource_id);
+ mongrp, domain_id);
else if (ctrlgrp && !mongrp)
sprintf(mbm_total_path, CON_MBM_LOCAL_BYTES_PATH, RESCTRL_PATH,
- ctrlgrp, resource_id);
+ ctrlgrp, domain_id);
else if (!ctrlgrp && !mongrp)
sprintf(mbm_total_path, MBM_LOCAL_BYTES_PATH, RESCTRL_PATH,
- resource_id);
+ domain_id);
}

/*
@@ -413,23 +413,23 @@ void set_mbm_path(const char *ctrlgrp, const char *mongrp, int resource_id)
static void initialize_mem_bw_resctrl(const char *ctrlgrp, const char *mongrp,
int cpu_no, char *resctrl_val)
{
- int resource_id;
+ int domain_id;

- if (get_resource_id(cpu_no, &resource_id) < 0) {
- perror("Could not get resource_id");
+ if (get_domain_id(cpu_no, &domain_id) < 0) {
+ perror("Could not get domain ID");
return;
}

if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)))
- set_mbm_path(ctrlgrp, mongrp, resource_id);
+ set_mbm_path(ctrlgrp, mongrp, domain_id);

if (!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
if (ctrlgrp)
sprintf(mbm_total_path, CON_MBM_LOCAL_BYTES_PATH,
- RESCTRL_PATH, ctrlgrp, resource_id);
+ RESCTRL_PATH, ctrlgrp, domain_id);
else
sprintf(mbm_total_path, MBM_LOCAL_BYTES_PATH,
- RESCTRL_PATH, resource_id);
+ RESCTRL_PATH, domain_id);
}
}

@@ -582,15 +582,15 @@ static void set_cmt_path(const char *ctrlgrp, const char *mongrp, char sock_num)
static void initialize_llc_occu_resctrl(const char *ctrlgrp, const char *mongrp,
int cpu_no, char *resctrl_val)
{
- int resource_id;
+ int domain_id;

- if (get_resource_id(cpu_no, &resource_id) < 0) {
- perror("# Unable to resource_id");
+ if (get_domain_id(cpu_no, &domain_id) < 0) {
+ perror("# Could not get domain ID");
return;
}

if (!strncmp(resctrl_val, CMT_STR, sizeof(CMT_STR)))
- set_cmt_path(ctrlgrp, mongrp, resource_id);
+ set_cmt_path(ctrlgrp, mongrp, domain_id);
}

static int measure_vals(const struct user_params *uparams,
diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 38ca3ae562e9..c173e0fa5c94 100644
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -112,13 +112,13 @@ static int get_cache_level(const char *cache_type)
}

/*
- * get_resource_id - Get socket number/l3 id for a specified CPU
+ * get_domain_id - Get resctrl domain ID for a specified CPU
* @cpu_no: CPU number
- * @resource_id: Socket number or l3_id
+ * @domain_id: domain ID (cache ID; for MB, L3 cache ID)
*
* Return: >= 0 on success, < 0 on failure.
*/
-int get_resource_id(int cpu_no, int *resource_id)
+int get_domain_id(int cpu_no, int *domain_id)
{
char phys_pkg_path[1024];
FILE *fp;
@@ -136,8 +136,8 @@ int get_resource_id(int cpu_no, int *resource_id)

return -1;
}
- if (fscanf(fp, "%d", resource_id) <= 0) {
- perror("Could not get socket number or l3 id");
+ if (fscanf(fp, "%d", domain_id) <= 0) {
+ perror("Could not get domain ID");
fclose(fp);

return -1;
@@ -524,7 +524,7 @@ int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, const char *resource)
{
char controlgroup[1024], reason[128], schema[1024] = {};
- int resource_id, fd, schema_len, ret = 0;
+ int domain_id, fd, schema_len, ret = 0;

if (!schemata) {
ksft_print_msg("Skipping empty schemata update\n");
@@ -532,8 +532,8 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, const char *resour
return -1;
}

- if (get_resource_id(cpu_no, &resource_id) < 0) {
- sprintf(reason, "Failed to get resource id");
+ if (get_domain_id(cpu_no, &domain_id) < 0) {
+ sprintf(reason, "Failed to get domain ID");
ret = -1;

goto out;
@@ -545,7 +545,7 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, const char *resour
sprintf(controlgroup, "%s/schemata", RESCTRL_PATH);

schema_len = snprintf(schema, sizeof(schema), "%s:%d=%s\n",
- resource, resource_id, schemata);
+ resource, domain_id, schemata);
if (schema_len < 0 || schema_len >= sizeof(schema)) {
snprintf(reason, sizeof(reason),
"snprintf() failed with return value : %d", schema_len);
--
2.30.2