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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/pmu-events/pmu-events.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/pmu-events/pmu-events.h')
-rw-r--r-- | tools/perf/pmu-events/pmu-events.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h new file mode 100644 index 0000000000..f5aa96f168 --- /dev/null +++ b/tools/perf/pmu-events/pmu-events.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef PMU_EVENTS_H +#define PMU_EVENTS_H + +#include <stdbool.h> +#include <stddef.h> + +struct perf_pmu; + +enum aggr_mode_class { + PerChip = 1, + PerCore +}; + +/** + * enum metric_event_groups - How events within a pmu_metric should be grouped. + */ +enum metric_event_groups { + /** + * @MetricGroupEvents: Default, group events within the metric. + */ + MetricGroupEvents = 0, + /** + * @MetricNoGroupEvents: Don't group events for the metric. + */ + MetricNoGroupEvents = 1, + /** + * @MetricNoGroupEventsNmi: Don't group events for the metric if the NMI + * watchdog is enabled. + */ + MetricNoGroupEventsNmi = 2, + /** + * @MetricNoGroupEventsSmt: Don't group events for the metric if SMT is + * enabled. + */ + MetricNoGroupEventsSmt = 3, +}; +/* + * Describe each PMU event. Each CPU has a table of PMU events. + */ +struct pmu_event { + const char *name; + const char *compat; + const char *event; + const char *desc; + const char *topic; + const char *long_desc; + const char *pmu; + const char *unit; + bool perpkg; + bool deprecated; +}; + +struct pmu_metric { + const char *pmu; + const char *metric_name; + const char *metric_group; + const char *metric_expr; + const char *metric_threshold; + const char *unit; + const char *compat; + const char *desc; + const char *long_desc; + const char *metricgroup_no_group; + const char *default_metricgroup_name; + enum aggr_mode_class aggr_mode; + enum metric_event_groups event_grouping; +}; + +struct pmu_events_table; +struct pmu_metrics_table; + +typedef int (*pmu_event_iter_fn)(const struct pmu_event *pe, + const struct pmu_events_table *table, + void *data); + +typedef int (*pmu_metric_iter_fn)(const struct pmu_metric *pm, + const struct pmu_metrics_table *table, + void *data); + +int pmu_events_table__for_each_event(const struct pmu_events_table *table, + struct perf_pmu *pmu, + pmu_event_iter_fn fn, + void *data); +int pmu_events_table__find_event(const struct pmu_events_table *table, + struct perf_pmu *pmu, + const char *name, + pmu_event_iter_fn fn, + void *data); +size_t pmu_events_table__num_events(const struct pmu_events_table *table, + struct perf_pmu *pmu); + +int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, pmu_metric_iter_fn fn, + void *data); + +const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu); +const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu); +const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid); +const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid); +int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data); +int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data); + +const struct pmu_events_table *find_sys_events_table(const char *name); +const struct pmu_metrics_table *find_sys_metrics_table(const char *name); +int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data); +int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data); + +const char *describe_metricgroup(const char *group); + +#endif |