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-rw-r--r--tools/testing/selftests/resctrl/cache.c8
-rw-r--r--tools/testing/selftests/resctrl/cat_test.c2
-rw-r--r--tools/testing/selftests/resctrl/cqm_test.c2
-rw-r--r--tools/testing/selftests/resctrl/fill_buf.c4
-rw-r--r--tools/testing/selftests/resctrl/mba_test.c2
-rw-r--r--tools/testing/selftests/resctrl/mbm_test.c2
-rw-r--r--tools/testing/selftests/resctrl/resctrl.h5
-rw-r--r--tools/testing/selftests/resctrl/resctrl_tests.c12
-rw-r--r--tools/testing/selftests/resctrl/resctrl_val.c22
-rw-r--r--tools/testing/selftests/resctrl/resctrlfs.c17
10 files changed, 41 insertions, 35 deletions
diff --git a/tools/testing/selftests/resctrl/cache.c b/tools/testing/selftests/resctrl/cache.c
index 38dbf4962e33..5922cc1b0386 100644
--- a/tools/testing/selftests/resctrl/cache.c
+++ b/tools/testing/selftests/resctrl/cache.c
@@ -182,7 +182,7 @@ int measure_cache_vals(struct resctrl_val_param *param, int bm_pid)
/*
* Measure cache miss from perf.
*/
- if (!strcmp(param->resctrl_val, "cat")) {
+ if (!strncmp(param->resctrl_val, CAT_STR, sizeof(CAT_STR))) {
ret = get_llc_perf(&llc_perf_miss);
if (ret < 0)
return ret;
@@ -192,7 +192,7 @@ int measure_cache_vals(struct resctrl_val_param *param, int bm_pid)
/*
* Measure llc occupancy from resctrl.
*/
- if (!strcmp(param->resctrl_val, "cqm")) {
+ if (!strncmp(param->resctrl_val, CQM_STR, sizeof(CQM_STR))) {
ret = get_llc_occu_resctrl(&llc_occu_resc);
if (ret < 0)
return ret;
@@ -234,7 +234,7 @@ int cat_val(struct resctrl_val_param *param)
if (ret)
return ret;
- if ((strcmp(resctrl_val, "cat") == 0)) {
+ if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR))) {
ret = initialize_llc_perf();
if (ret)
return ret;
@@ -242,7 +242,7 @@ int cat_val(struct resctrl_val_param *param)
/* Test runs until the callback setup() tells the test to stop. */
while (1) {
- if (strcmp(resctrl_val, "cat") == 0) {
+ if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR))) {
ret = param->setup(1, param);
if (ret) {
ret = 0;
diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
index bdeeb5772592..20823725daca 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -164,7 +164,7 @@ int cat_perf_miss_val(int cpu_no, int n, char *cache_type)
return -1;
struct resctrl_val_param param = {
- .resctrl_val = "cat",
+ .resctrl_val = CAT_STR,
.cpu_no = cpu_no,
.mum_resctrlfs = 0,
.setup = cat_setup,
diff --git a/tools/testing/selftests/resctrl/cqm_test.c b/tools/testing/selftests/resctrl/cqm_test.c
index de33d1c0466e..271752e9ef5b 100644
--- a/tools/testing/selftests/resctrl/cqm_test.c
+++ b/tools/testing/selftests/resctrl/cqm_test.c
@@ -145,7 +145,7 @@ int cqm_resctrl_val(int cpu_no, int n, char **benchmark_cmd)
}
struct resctrl_val_param param = {
- .resctrl_val = "cqm",
+ .resctrl_val = CQM_STR,
.ctrlgrp = "c1",
.mongrp = "m1",
.cpu_no = cpu_no,
diff --git a/tools/testing/selftests/resctrl/fill_buf.c b/tools/testing/selftests/resctrl/fill_buf.c
index 79c611c99a3d..51e5cf22632f 100644
--- a/tools/testing/selftests/resctrl/fill_buf.c
+++ b/tools/testing/selftests/resctrl/fill_buf.c
@@ -115,7 +115,7 @@ static int fill_cache_read(unsigned char *start_ptr, unsigned char *end_ptr,
while (1) {
ret = fill_one_span_read(start_ptr, end_ptr);
- if (!strcmp(resctrl_val, "cat"))
+ if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)))
break;
}
@@ -134,7 +134,7 @@ static int fill_cache_write(unsigned char *start_ptr, unsigned char *end_ptr,
{
while (1) {
fill_one_span_write(start_ptr, end_ptr);
- if (!strcmp(resctrl_val, "cat"))
+ if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)))
break;
}
diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
index 7bf8eaa6204b..6449fbd96096 100644
--- a/tools/testing/selftests/resctrl/mba_test.c
+++ b/tools/testing/selftests/resctrl/mba_test.c
@@ -141,7 +141,7 @@ void mba_test_cleanup(void)
int mba_schemata_change(int cpu_no, char *bw_report, char **benchmark_cmd)
{
struct resctrl_val_param param = {
- .resctrl_val = "mba",
+ .resctrl_val = MBA_STR,
.ctrlgrp = "c1",
.mongrp = "m1",
.cpu_no = cpu_no,
diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
index 4700f7453f81..ec6cfe01c9c2 100644
--- a/tools/testing/selftests/resctrl/mbm_test.c
+++ b/tools/testing/selftests/resctrl/mbm_test.c
@@ -114,7 +114,7 @@ void mbm_test_cleanup(void)
int mbm_bw_change(int span, int cpu_no, char *bw_report, char **benchmark_cmd)
{
struct resctrl_val_param param = {
- .resctrl_val = "mbm",
+ .resctrl_val = MBM_STR,
.ctrlgrp = "c1",
.mongrp = "m1",
.span = span,
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 12b77182cb44..36da6136af96 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -62,6 +62,11 @@ struct resctrl_val_param {
int (*setup)(int num, ...);
};
+#define MBM_STR "mbm"
+#define MBA_STR "mba"
+#define CQM_STR "cqm"
+#define CAT_STR "cat"
+
extern pid_t bm_pid, ppid;
extern int tests_run;
diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c
index 425cc85ac883..4b109a59f72d 100644
--- a/tools/testing/selftests/resctrl/resctrl_tests.c
+++ b/tools/testing/selftests/resctrl/resctrl_tests.c
@@ -85,13 +85,13 @@ int main(int argc, char **argv)
cqm_test = false;
cat_test = false;
while (token) {
- if (!strcmp(token, "mbm")) {
+ if (!strncmp(token, MBM_STR, sizeof(MBM_STR))) {
mbm_test = true;
- } else if (!strcmp(token, "mba")) {
+ } else if (!strncmp(token, MBA_STR, sizeof(MBA_STR))) {
mba_test = true;
- } else if (!strcmp(token, "cqm")) {
+ } else if (!strncmp(token, CQM_STR, sizeof(CQM_STR))) {
cqm_test = true;
- } else if (!strcmp(token, "cat")) {
+ } else if (!strncmp(token, CAT_STR, sizeof(CAT_STR))) {
cat_test = true;
} else {
printf("invalid argument\n");
@@ -161,7 +161,7 @@ int main(int argc, char **argv)
if (!is_amd && mbm_test) {
printf("# Starting MBM BW change ...\n");
if (!has_ben)
- sprintf(benchmark_cmd[5], "%s", "mba");
+ sprintf(benchmark_cmd[5], "%s", MBA_STR);
res = mbm_bw_change(span, cpu_no, bw_report, benchmark_cmd);
printf("%sok MBM: bw change\n", res ? "not " : "");
mbm_test_cleanup();
@@ -181,7 +181,7 @@ int main(int argc, char **argv)
if (cqm_test) {
printf("# Starting CQM test ...\n");
if (!has_ben)
- sprintf(benchmark_cmd[5], "%s", "cqm");
+ sprintf(benchmark_cmd[5], "%s", CQM_STR);
res = cqm_resctrl_val(cpu_no, no_of_bits, benchmark_cmd);
printf("%sok CQM: test\n", res ? "not " : "");
cqm_test_cleanup();
diff --git a/tools/testing/selftests/resctrl/resctrl_val.c b/tools/testing/selftests/resctrl/resctrl_val.c
index 520fea3606d1..aed71fd0713b 100644
--- a/tools/testing/selftests/resctrl/resctrl_val.c
+++ b/tools/testing/selftests/resctrl/resctrl_val.c
@@ -397,10 +397,10 @@ static void initialize_mem_bw_resctrl(const char *ctrlgrp, const char *mongrp,
return;
}
- if (strcmp(resctrl_val, "mbm") == 0)
+ if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)))
set_mbm_path(ctrlgrp, mongrp, resource_id);
- if ((strcmp(resctrl_val, "mba") == 0)) {
+ 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);
@@ -524,7 +524,7 @@ static void initialize_llc_occu_resctrl(const char *ctrlgrp, const char *mongrp,
return;
}
- if (strcmp(resctrl_val, "cqm") == 0)
+ if (!strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)))
set_cqm_path(ctrlgrp, mongrp, resource_id);
}
@@ -579,8 +579,8 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
if (strcmp(param->filename, "") == 0)
sprintf(param->filename, "stdio");
- if ((strcmp(resctrl_val, "mba")) == 0 ||
- (strcmp(resctrl_val, "mbm")) == 0) {
+ if (!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)) ||
+ !strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR))) {
ret = validate_bw_report_request(param->bw_report);
if (ret)
return ret;
@@ -674,15 +674,15 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
if (ret)
goto out;
- if ((strcmp(resctrl_val, "mbm") == 0) ||
- (strcmp(resctrl_val, "mba") == 0)) {
+ if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) ||
+ !strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
ret = initialize_mem_bw_imc();
if (ret)
goto out;
initialize_mem_bw_resctrl(param->ctrlgrp, param->mongrp,
param->cpu_no, resctrl_val);
- } else if (strcmp(resctrl_val, "cqm") == 0)
+ } else if (!strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)))
initialize_llc_occu_resctrl(param->ctrlgrp, param->mongrp,
param->cpu_no, resctrl_val);
@@ -710,8 +710,8 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
/* Test runs until the callback setup() tells the test to stop. */
while (1) {
- if ((strcmp(resctrl_val, "mbm") == 0) ||
- (strcmp(resctrl_val, "mba") == 0)) {
+ if (!strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR)) ||
+ !strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR))) {
ret = param->setup(1, param);
if (ret) {
ret = 0;
@@ -721,7 +721,7 @@ int resctrl_val(char **benchmark_cmd, struct resctrl_val_param *param)
ret = measure_vals(param, &bw_resc_start);
if (ret)
break;
- } else if (strcmp(resctrl_val, "cqm") == 0) {
+ } else if (!strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR))) {
ret = param->setup(1, param);
if (ret) {
ret = 0;
diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c
index 2a16100c9c3f..4174e48e06d1 100644
--- a/tools/testing/selftests/resctrl/resctrlfs.c
+++ b/tools/testing/selftests/resctrl/resctrlfs.c
@@ -334,7 +334,7 @@ void run_benchmark(int signum, siginfo_t *info, void *ucontext)
operation = atoi(benchmark_cmd[4]);
sprintf(resctrl_val, "%s", benchmark_cmd[5]);
- if (strcmp(resctrl_val, "cqm") != 0)
+ if (strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)))
buffer_span = span * MB;
else
buffer_span = span;
@@ -459,8 +459,8 @@ int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
goto out;
/* Create mon grp and write pid into it for "mbm" and "cqm" test */
- if ((strcmp(resctrl_val, "cqm") == 0) ||
- (strcmp(resctrl_val, "mbm") == 0)) {
+ if (!strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)) ||
+ !strncmp(resctrl_val, MBM_STR, sizeof(MBM_STR))) {
if (strlen(mongrp)) {
sprintf(monitorgroup_p, "%s/mon_groups", controlgroup);
sprintf(monitorgroup, "%s/%s", monitorgroup_p, mongrp);
@@ -505,9 +505,9 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, char *resctrl_val)
int resource_id, ret = 0;
FILE *fp;
- if ((strcmp(resctrl_val, "mba") != 0) &&
- (strcmp(resctrl_val, "cat") != 0) &&
- (strcmp(resctrl_val, "cqm") != 0))
+ if (strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)) &&
+ strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)) &&
+ strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)))
return -ENOENT;
if (!schemata) {
@@ -528,9 +528,10 @@ int write_schemata(char *ctrlgrp, char *schemata, int cpu_no, char *resctrl_val)
else
sprintf(controlgroup, "%s/schemata", RESCTRL_PATH);
- if (!strcmp(resctrl_val, "cat") || !strcmp(resctrl_val, "cqm"))
+ if (!strncmp(resctrl_val, CAT_STR, sizeof(CAT_STR)) ||
+ !strncmp(resctrl_val, CQM_STR, sizeof(CQM_STR)))
sprintf(schema, "%s%d%c%s", "L3:", resource_id, '=', schemata);
- if (strcmp(resctrl_val, "mba") == 0)
+ if (!strncmp(resctrl_val, MBA_STR, sizeof(MBA_STR)))
sprintf(schema, "%s%d%c%s", "MB:", resource_id, '=', schemata);
fp = fopen(controlgroup, "w");
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