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-rw-r--r--tools/perf/util/pmu.h154
1 files changed, 154 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
new file mode 100644
index 000000000..68e15c38a
--- /dev/null
+++ b/tools/perf/util/pmu.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PMU_H
+#define __PMU_H
+
+#include <linux/bitmap.h>
+#include <linux/compiler.h>
+#include <linux/perf_event.h>
+#include <linux/list.h>
+#include <stdbool.h>
+#include "parse-events.h"
+#include "pmu-events/pmu-events.h"
+
+struct evsel_config_term;
+struct perf_cpu_map;
+
+enum {
+ PERF_PMU_FORMAT_VALUE_CONFIG,
+ PERF_PMU_FORMAT_VALUE_CONFIG1,
+ PERF_PMU_FORMAT_VALUE_CONFIG2,
+ PERF_PMU_FORMAT_VALUE_CONFIG_END,
+};
+
+#define PERF_PMU_FORMAT_BITS 64
+#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
+#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus"
+#define MAX_PMU_NAME_LEN 128
+
+struct perf_event_attr;
+
+struct perf_pmu_caps {
+ char *name;
+ char *value;
+ struct list_head list;
+};
+
+struct perf_pmu {
+ char *name;
+ char *alias_name;
+ char *id;
+ __u32 type;
+ bool selectable;
+ bool is_uncore;
+ bool is_hybrid;
+ bool auxtrace;
+ int max_precise;
+ struct perf_event_attr *default_config;
+ struct perf_cpu_map *cpus;
+ struct list_head format; /* HEAD struct perf_pmu_format -> list */
+ struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
+ bool caps_initialized;
+ u32 nr_caps;
+ struct list_head caps; /* HEAD struct perf_pmu_caps -> list */
+ struct list_head list; /* ELEM */
+ struct list_head hybrid_list;
+
+ struct {
+ bool exclude_guest;
+ } missing_features;
+};
+
+extern struct perf_pmu perf_pmu__fake;
+
+struct perf_pmu_info {
+ const char *unit;
+ const char *metric_expr;
+ const char *metric_name;
+ double scale;
+ bool per_pkg;
+ bool snapshot;
+};
+
+#define UNIT_MAX_LEN 31 /* max length for event unit name */
+
+struct perf_pmu_alias {
+ char *name;
+ char *desc;
+ char *long_desc;
+ char *topic;
+ char *str;
+ struct list_head terms; /* HEAD struct parse_events_term -> list */
+ struct list_head list; /* ELEM */
+ char unit[UNIT_MAX_LEN+1];
+ double scale;
+ bool per_pkg;
+ bool snapshot;
+ bool deprecated;
+ char *metric_expr;
+ char *metric_name;
+ char *pmu_name;
+};
+
+struct perf_pmu *perf_pmu__find(const char *name);
+struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
+void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu);
+int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
+ struct list_head *head_terms,
+ struct parse_events_error *error);
+int perf_pmu__config_terms(const char *pmu_name, struct list_head *formats,
+ struct perf_event_attr *attr,
+ struct list_head *head_terms,
+ bool zero, struct parse_events_error *error);
+__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
+int perf_pmu__format_type(struct list_head *formats, const char *name);
+int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
+ struct perf_pmu_info *info);
+struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
+ struct list_head *head_terms);
+void perf_pmu_error(struct list_head *list, char *name, char const *msg);
+
+int perf_pmu__new_format(struct list_head *list, char *name,
+ int config, unsigned long *bits);
+void perf_pmu__set_format(unsigned long *bits, long from, long to);
+int perf_pmu__format_parse(char *dir, struct list_head *head);
+void perf_pmu__del_formats(struct list_head *formats);
+
+struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
+
+bool is_pmu_core(const char *name);
+void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
+ bool long_desc, bool details_flag,
+ bool deprecated, const char *pmu_name);
+bool pmu_have_event(const char *pname, const char *name);
+
+int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
+
+int perf_pmu__test(void);
+
+struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
+void pmu_add_cpu_aliases_table(struct list_head *head, struct perf_pmu *pmu,
+ const struct pmu_events_table *table);
+
+char *perf_pmu__getcpuid(struct perf_pmu *pmu);
+const struct pmu_events_table *pmu_events_table__find(void);
+bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
+void perf_pmu_free_alias(struct perf_pmu_alias *alias);
+
+int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
+
+int perf_pmu__caps_parse(struct perf_pmu *pmu);
+
+void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
+ const char *name);
+void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu);
+
+bool perf_pmu__has_hybrid(void);
+int perf_pmu__match(char *pattern, char *name, char *tok);
+
+int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
+ struct perf_cpu_map **mcpus_ptr,
+ struct perf_cpu_map **ucpus_ptr);
+
+char *pmu_find_real_name(const char *name);
+char *pmu_find_alias_name(const char *name);
+#endif /* __PMU_H */