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-rw-r--r--tools/perf/util/evsel.h484
1 files changed, 484 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
new file mode 100644
index 000000000..163c96061
--- /dev/null
+++ b/tools/perf/util/evsel.h
@@ -0,0 +1,484 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_EVSEL_H
+#define __PERF_EVSEL_H 1
+
+#include <linux/list.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include "xyarray.h"
+#include "symbol.h"
+#include "cpumap.h"
+#include "counts.h"
+
+struct perf_evsel;
+
+/*
+ * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
+ * more than one entry in the evlist.
+ */
+struct perf_sample_id {
+ struct hlist_node node;
+ u64 id;
+ struct perf_evsel *evsel;
+ int idx;
+ int cpu;
+ pid_t tid;
+
+ /* Holds total ID period value for PERF_SAMPLE_READ processing. */
+ u64 period;
+};
+
+struct cgroup;
+
+/*
+ * The 'struct perf_evsel_config_term' is used to pass event
+ * specific configuration data to perf_evsel__config routine.
+ * It is allocated within event parsing and attached to
+ * perf_evsel::config_terms list head.
+*/
+enum term_type {
+ PERF_EVSEL__CONFIG_TERM_PERIOD,
+ PERF_EVSEL__CONFIG_TERM_FREQ,
+ PERF_EVSEL__CONFIG_TERM_TIME,
+ PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
+ PERF_EVSEL__CONFIG_TERM_STACK_USER,
+ PERF_EVSEL__CONFIG_TERM_INHERIT,
+ PERF_EVSEL__CONFIG_TERM_MAX_STACK,
+ PERF_EVSEL__CONFIG_TERM_OVERWRITE,
+ PERF_EVSEL__CONFIG_TERM_DRV_CFG,
+ PERF_EVSEL__CONFIG_TERM_BRANCH,
+};
+
+struct perf_evsel_config_term {
+ struct list_head list;
+ enum term_type type;
+ union {
+ u64 period;
+ u64 freq;
+ bool time;
+ char *callgraph;
+ char *drv_cfg;
+ u64 stack_user;
+ int max_stack;
+ bool inherit;
+ bool overwrite;
+ char *branch;
+ } val;
+ bool weak;
+};
+
+struct perf_stat_evsel;
+
+/** struct perf_evsel - event selector
+ *
+ * @evlist - evlist this evsel is in, if it is in one.
+ * @node - To insert it into evlist->entries or in other list_heads, say in
+ * the event parsing routines.
+ * @name - Can be set to retain the original event name passed by the user,
+ * so that when showing results in tools such as 'perf stat', we
+ * show the name used, not some alias.
+ * @id_pos: the position of the event id (PERF_SAMPLE_ID or
+ * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
+ * struct sample_event
+ * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
+ * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
+ * is used there is an id sample appended to non-sample events
+ * @priv: And what is in its containing unnamed union are tool specific
+ */
+struct perf_evsel {
+ struct list_head node;
+ struct perf_evlist *evlist;
+ struct perf_event_attr attr;
+ char *filter;
+ struct xyarray *fd;
+ struct xyarray *sample_id;
+ u64 *id;
+ struct perf_counts *counts;
+ struct perf_counts *prev_raw_counts;
+ int idx;
+ u32 ids;
+ char *name;
+ double scale;
+ const char *unit;
+ struct event_format *tp_format;
+ off_t id_offset;
+ struct perf_stat_evsel *stats;
+ void *priv;
+ u64 db_id;
+ struct cgroup *cgrp;
+ void *handler;
+ struct cpu_map *cpus;
+ struct cpu_map *own_cpus;
+ struct thread_map *threads;
+ unsigned int sample_size;
+ int id_pos;
+ int is_pos;
+ bool uniquified_name;
+ bool snapshot;
+ bool supported;
+ bool needs_swap;
+ bool no_aux_samples;
+ bool immediate;
+ bool system_wide;
+ bool tracking;
+ bool per_pkg;
+ bool precise_max;
+ bool ignore_missing_thread;
+ bool forced_leader;
+ bool use_uncore_alias;
+ /* parse modifier helper */
+ int exclude_GH;
+ int nr_members;
+ int sample_read;
+ unsigned long *per_pkg_mask;
+ struct perf_evsel *leader;
+ char *group_name;
+ bool cmdline_group_boundary;
+ struct list_head config_terms;
+ int bpf_fd;
+ bool auto_merge_stats;
+ bool merged_stat;
+ const char * metric_expr;
+ const char * metric_name;
+ struct perf_evsel **metric_events;
+ bool collect_stat;
+ bool weak_group;
+ const char *pmu_name;
+};
+
+union u64_swap {
+ u64 val64;
+ u32 val32[2];
+};
+
+struct perf_missing_features {
+ bool sample_id_all;
+ bool exclude_guest;
+ bool mmap2;
+ bool cloexec;
+ bool clockid;
+ bool clockid_wrong;
+ bool lbr_flags;
+ bool write_backward;
+ bool group_read;
+};
+
+extern struct perf_missing_features perf_missing_features;
+
+struct cpu_map;
+struct target;
+struct thread_map;
+struct record_opts;
+
+static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
+{
+ return evsel->cpus;
+}
+
+static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
+{
+ return perf_evsel__cpus(evsel)->nr;
+}
+
+void perf_counts_values__scale(struct perf_counts_values *count,
+ bool scale, s8 *pscaled);
+
+void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
+ struct perf_counts_values *count);
+
+int perf_evsel__object_config(size_t object_size,
+ int (*init)(struct perf_evsel *evsel),
+ void (*fini)(struct perf_evsel *evsel));
+
+struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
+
+static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
+{
+ return perf_evsel__new_idx(attr, 0);
+}
+
+struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
+
+/*
+ * Returns pointer with encoded error via <linux/err.h> interface.
+ */
+static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
+{
+ return perf_evsel__newtp_idx(sys, name, 0);
+}
+
+struct perf_evsel *perf_evsel__new_cycles(bool precise);
+
+struct event_format *event_format__new(const char *sys, const char *name);
+
+void perf_evsel__init(struct perf_evsel *evsel,
+ struct perf_event_attr *attr, int idx);
+void perf_evsel__exit(struct perf_evsel *evsel);
+void perf_evsel__delete(struct perf_evsel *evsel);
+
+struct callchain_param;
+
+void perf_evsel__config(struct perf_evsel *evsel,
+ struct record_opts *opts,
+ struct callchain_param *callchain);
+void perf_evsel__config_callchain(struct perf_evsel *evsel,
+ struct record_opts *opts,
+ struct callchain_param *callchain);
+
+int __perf_evsel__sample_size(u64 sample_type);
+void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
+
+bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
+
+#define PERF_EVSEL__MAX_ALIASES 8
+
+extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
+ [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
+ [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
+extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
+int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
+ char *bf, size_t size);
+const char *perf_evsel__name(struct perf_evsel *evsel);
+
+const char *perf_evsel__group_name(struct perf_evsel *evsel);
+int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
+
+int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
+void perf_evsel__close_fd(struct perf_evsel *evsel);
+
+void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
+ enum perf_event_sample_format bit);
+void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
+ enum perf_event_sample_format bit);
+
+#define perf_evsel__set_sample_bit(evsel, bit) \
+ __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
+
+#define perf_evsel__reset_sample_bit(evsel, bit) \
+ __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
+
+void perf_evsel__set_sample_id(struct perf_evsel *evsel,
+ bool use_sample_identifier);
+
+int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
+int perf_evsel__append_tp_filter(struct perf_evsel *evsel, const char *filter);
+int perf_evsel__append_addr_filter(struct perf_evsel *evsel,
+ const char *filter);
+int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
+int perf_evsel__enable(struct perf_evsel *evsel);
+int perf_evsel__disable(struct perf_evsel *evsel);
+
+int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
+ struct cpu_map *cpus);
+int perf_evsel__open_per_thread(struct perf_evsel *evsel,
+ struct thread_map *threads);
+int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
+ struct thread_map *threads);
+void perf_evsel__close(struct perf_evsel *evsel);
+
+struct perf_sample;
+
+void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name);
+u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
+ const char *name);
+
+static inline char *perf_evsel__strval(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ const char *name)
+{
+ return perf_evsel__rawptr(evsel, sample, name);
+}
+
+struct format_field;
+
+u64 format_field__intval(struct format_field *field, struct perf_sample *sample, bool needs_swap);
+
+struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
+
+#define perf_evsel__match(evsel, t, c) \
+ (evsel->attr.type == PERF_TYPE_##t && \
+ evsel->attr.config == PERF_COUNT_##c)
+
+static inline bool perf_evsel__match2(struct perf_evsel *e1,
+ struct perf_evsel *e2)
+{
+ return (e1->attr.type == e2->attr.type) &&
+ (e1->attr.config == e2->attr.config);
+}
+
+#define perf_evsel__cmp(a, b) \
+ ((a) && \
+ (b) && \
+ (a)->attr.type == (b)->attr.type && \
+ (a)->attr.config == (b)->attr.config)
+
+int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
+ struct perf_counts_values *count);
+
+int perf_evsel__read_counter(struct perf_evsel *evsel, int cpu, int thread);
+
+int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
+ int cpu, int thread, bool scale);
+
+/**
+ * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
+ *
+ * @evsel - event selector to read value
+ * @cpu - CPU of interest
+ * @thread - thread of interest
+ */
+static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
+ int cpu, int thread)
+{
+ return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
+}
+
+/**
+ * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
+ *
+ * @evsel - event selector to read value
+ * @cpu - CPU of interest
+ * @thread - thread of interest
+ */
+static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
+ int cpu, int thread)
+{
+ return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
+}
+
+int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
+ struct perf_sample *sample);
+
+int perf_evsel__parse_sample_timestamp(struct perf_evsel *evsel,
+ union perf_event *event,
+ u64 *timestamp);
+
+static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
+{
+ return list_entry(evsel->node.next, struct perf_evsel, node);
+}
+
+static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
+{
+ return list_entry(evsel->node.prev, struct perf_evsel, node);
+}
+
+/**
+ * perf_evsel__is_group_leader - Return whether given evsel is a leader event
+ *
+ * @evsel - evsel selector to be tested
+ *
+ * Return %true if @evsel is a group leader or a stand-alone event
+ */
+static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
+{
+ return evsel->leader == evsel;
+}
+
+/**
+ * perf_evsel__is_group_event - Return whether given evsel is a group event
+ *
+ * @evsel - evsel selector to be tested
+ *
+ * Return %true iff event group view is enabled and @evsel is a actual group
+ * leader which has other members in the group
+ */
+static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
+{
+ if (!symbol_conf.event_group)
+ return false;
+
+ return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
+}
+
+bool perf_evsel__is_function_event(struct perf_evsel *evsel);
+
+static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
+{
+ return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
+}
+
+static inline bool perf_evsel__is_clock(struct perf_evsel *evsel)
+{
+ return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
+ perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
+}
+
+struct perf_attr_details {
+ bool freq;
+ bool verbose;
+ bool event_group;
+ bool force;
+ bool trace_fields;
+};
+
+int perf_evsel__fprintf(struct perf_evsel *evsel,
+ struct perf_attr_details *details, FILE *fp);
+
+#define EVSEL__PRINT_IP (1<<0)
+#define EVSEL__PRINT_SYM (1<<1)
+#define EVSEL__PRINT_DSO (1<<2)
+#define EVSEL__PRINT_SYMOFFSET (1<<3)
+#define EVSEL__PRINT_ONELINE (1<<4)
+#define EVSEL__PRINT_SRCLINE (1<<5)
+#define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
+#define EVSEL__PRINT_CALLCHAIN_ARROW (1<<7)
+#define EVSEL__PRINT_SKIP_IGNORED (1<<8)
+
+struct callchain_cursor;
+
+int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
+ unsigned int print_opts,
+ struct callchain_cursor *cursor, FILE *fp);
+
+int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
+ int left_alignment, unsigned int print_opts,
+ struct callchain_cursor *cursor, FILE *fp);
+
+bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
+ char *msg, size_t msgsize);
+int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
+ int err, char *msg, size_t size);
+
+static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
+{
+ return evsel->idx - evsel->leader->idx;
+}
+
+/* Iterates group WITHOUT the leader. */
+#define for_each_group_member(_evsel, _leader) \
+for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
+ (_evsel) && (_evsel)->leader == (_leader); \
+ (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
+
+/* Iterates group WITH the leader. */
+#define for_each_group_evsel(_evsel, _leader) \
+for ((_evsel) = _leader; \
+ (_evsel) && (_evsel)->leader == (_leader); \
+ (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
+
+static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
+{
+ return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
+}
+
+static inline bool evsel__has_callchain(const struct perf_evsel *evsel)
+{
+ return (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
+}
+
+typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
+
+int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
+ attr__fprintf_f attr__fprintf, void *priv);
+
+struct perf_env *perf_evsel__env(struct perf_evsel *evsel);
+
+#endif /* __PERF_EVSEL_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 11:31:45 +0000