diff mbox series

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

Message ID 20231120111340.7805-25-ilpo.jarvinen@linux.intel.com (mailing list archive)
State New
Headers show
Series selftests/resctrl: CAT test improvements & generalized test framework | expand

Commit Message

Ilpo Järvinen Nov. 20, 2023, 11:13 a.m. UTC 
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(-)

Comments

Reinette Chatre Nov. 28, 2023, 10:22 p.m. UTC | #1 
Hi Ilpo,

On 11/20/2023 3:13 AM, Ilpo Järvinen wrote:
> 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");

I do not think perror() is appropriate here. It is too far away
from failing system call (for which perror() was already called
anyway).

>  		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");

here also

>  		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,

Reinette
diff mbox series

Patch

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);