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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a7f6c8c81a
There are some deprecated events listed by perf list. But we can't remove them from perf list with ease because some old scripts may use them. Deprecated events are old names of renamed events. When an event gets renamed the old name is kept around for some time and marked with Deprecated. The newer Intel event lists in the tree already have these headers. So we need to keep them in the event list, but provide a new option to show them. The new option is "--deprecated". With this patch, the deprecated events are hidden by default but they can be displayed when option "--deprecated" is enabled. Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20191015025357.8708-1-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PMU_H
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#define __PMU_H
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#include <linux/bitmap.h>
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#include <linux/compiler.h>
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#include <linux/perf_event.h>
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#include <stdbool.h>
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#include "parse-events.h"
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struct perf_evsel_config_term;
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enum {
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PERF_PMU_FORMAT_VALUE_CONFIG,
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PERF_PMU_FORMAT_VALUE_CONFIG1,
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PERF_PMU_FORMAT_VALUE_CONFIG2,
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};
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#define PERF_PMU_FORMAT_BITS 64
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#define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/"
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struct perf_event_attr;
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struct perf_pmu {
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char *name;
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__u32 type;
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bool selectable;
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bool is_uncore;
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int max_precise;
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struct perf_event_attr *default_config;
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struct perf_cpu_map *cpus;
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struct list_head format; /* HEAD struct perf_pmu_format -> list */
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struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
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struct list_head list; /* ELEM */
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};
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struct perf_pmu_info {
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const char *unit;
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const char *metric_expr;
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const char *metric_name;
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double scale;
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bool per_pkg;
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bool snapshot;
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};
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#define UNIT_MAX_LEN 31 /* max length for event unit name */
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struct perf_pmu_alias {
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char *name;
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char *desc;
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char *long_desc;
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char *topic;
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char *str;
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struct list_head terms; /* HEAD struct parse_events_term -> list */
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struct list_head list; /* ELEM */
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char unit[UNIT_MAX_LEN+1];
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double scale;
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bool per_pkg;
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bool snapshot;
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bool deprecated;
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char *metric_expr;
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char *metric_name;
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};
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struct perf_pmu *perf_pmu__find(const char *name);
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int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
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struct list_head *head_terms,
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struct parse_events_error *error);
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int perf_pmu__config_terms(struct list_head *formats,
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struct perf_event_attr *attr,
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struct list_head *head_terms,
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bool zero, struct parse_events_error *error);
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__u64 perf_pmu__format_bits(struct list_head *formats, const char *name);
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int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
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struct perf_pmu_info *info);
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struct list_head *perf_pmu__alias(struct perf_pmu *pmu,
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struct list_head *head_terms);
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int perf_pmu_wrap(void);
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void perf_pmu_error(struct list_head *list, char *name, char const *msg);
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int perf_pmu__new_format(struct list_head *list, char *name,
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int config, unsigned long *bits);
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void perf_pmu__set_format(unsigned long *bits, long from, long to);
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int perf_pmu__format_parse(char *dir, struct list_head *head);
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struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);
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void print_pmu_events(const char *event_glob, bool name_only, bool quiet,
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bool long_desc, bool details_flag,
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bool deprecated);
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bool pmu_have_event(const char *pname, const char *name);
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int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4);
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int perf_pmu__test(void);
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struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
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struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu);
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int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
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#endif /* __PMU_H */
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