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Diffstat (limited to 'tools/testing/selftests/resctrl/resctrl.h')
-rw-r--r--tools/testing/selftests/resctrl/resctrl.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index f813fcdcb5e0..4aabf7ac0ab9 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -66,6 +66,13 @@ struct resctrl_val_param {
int (*setup)(struct resctrl_val_param *param);
};
+struct perf_event_read {
+ __u64 nr; /* The number of events */
+ struct {
+ __u64 value; /* The value of the event */
+ } values[2];
+};
+
#define MBM_STR "mbm"
#define MBA_STR "mba"
#define CMT_STR "cmt"
@@ -105,13 +112,18 @@ int get_cache_size(int cpu_no, const char *cache_type, unsigned long *cache_size
void ctrlc_handler(int signum, siginfo_t *info, void *ptr);
int signal_handler_register(void);
void signal_handler_unregister(void);
-int cat_val(struct resctrl_val_param *param, size_t span);
void cat_test_cleanup(void);
int cat_perf_miss_val(int cpu_no, int no_of_bits, char *cache_type);
int cmt_resctrl_val(int cpu_no, int n, const char * const *benchmark_cmd);
unsigned int count_bits(unsigned long n);
void cmt_test_cleanup(void);
int get_core_sibling(int cpu_no);
+
+void perf_event_attr_initialize(struct perf_event_attr *pea, __u64 config);
+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_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);
void show_cache_info(int no_of_bits, __u64 avg_llc_val, size_t cache_span, bool lines);