Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 426 insertions, 0 deletions

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
new file mode 100644
index 000000000..79a860d8e
--- /dev/null
+++ b/tools/perf/util/evsel.h
@@ -0,0 +1,426 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_EVSEL_H
+#define __PERF_EVSEL_H 1
+
+#include <linux/list.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include <internal/evsel.h>
+#include <perf/evsel.h>
+#include "symbol_conf.h"
+#include <internal/cpumap.h>
+
+struct bpf_object;
+struct cgroup;
+struct perf_counts;
+struct perf_stat_evsel;
+union perf_event;
+
+typedef int (evsel__sb_cb_t)(union perf_event *event, void *data);
+
+enum perf_tool_event {
+	PERF_TOOL_NONE		= 0,
+	PERF_TOOL_DURATION_TIME = 1,
+};
+
+/** struct evsel - event selector
+ *
+ * @evlist - evlist this evsel is in, if it is in one.
+ * @core - libperf evsel object
+ * @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 perf_record_sample
+ * @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 evsel {
+	struct perf_evsel	core;
+	struct evlist		*evlist;
+	off_t			id_offset;
+	int			idx;
+	int			id_pos;
+	int			is_pos;
+	unsigned int		sample_size;
+
+	/*
+	 * These fields can be set in the parse-events code or similar.
+	 * Please check evsel__clone() to copy them properly so that
+	 * they can be released properly.
+	 */
+	struct {
+		char			*name;
+		char			*group_name;
+		const char		*pmu_name;
+		struct tep_event	*tp_format;
+		char			*filter;
+		unsigned long		max_events;
+		double			scale;
+		const char		*unit;
+		struct cgroup		*cgrp;
+		enum perf_tool_event	tool_event;
+		/* parse modifier helper */
+		int			exclude_GH;
+		int			sample_read;
+		bool			snapshot;
+		bool			per_pkg;
+		bool			percore;
+		bool			precise_max;
+		bool			use_uncore_alias;
+		bool			is_libpfm_event;
+		bool			auto_merge_stats;
+		bool			collect_stat;
+		bool			weak_group;
+		int			bpf_fd;
+		struct bpf_object	*bpf_obj;
+	};
+
+	/*
+	 * metric fields are similar, but needs more care as they can have
+	 * references to other metric (evsel).
+	 */
+	const char *		metric_expr;
+	const char *		metric_name;
+	struct evsel		**metric_events;
+	struct evsel		*metric_leader;
+
+	void			*handler;
+	struct perf_counts	*counts;
+	struct perf_counts	*prev_raw_counts;
+	unsigned long		nr_events_printed;
+	struct perf_stat_evsel  *stats;
+	void			*priv;
+	u64			db_id;
+	bool			uniquified_name;
+	bool 			supported;
+	bool 			needs_swap;
+	bool 			disabled;
+	bool			no_aux_samples;
+	bool			immediate;
+	bool			tracking;
+	bool			ignore_missing_thread;
+	bool			forced_leader;
+	bool			cmdline_group_boundary;
+	bool			merged_stat;
+	bool			reset_group;
+	bool			errored;
+	unsigned long		*per_pkg_mask;
+	struct evsel		*leader;
+	struct list_head	config_terms;
+	int			err;
+	int			cpu_iter;
+	struct {
+		evsel__sb_cb_t	*cb;
+		void		*data;
+	} side_band;
+	/*
+	 * For reporting purposes, an evsel sample can have a callchain
+	 * synthesized from AUX area data. Keep track of synthesized sample
+	 * types here. Note, the recorded sample_type cannot be changed because
+	 * it is needed to continue to parse events.
+	 * See also evsel__has_callchain().
+	 */
+	__u64			synth_sample_type;
+};
+
+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;
+	bool ksymbol;
+	bool bpf;
+	bool aux_output;
+	bool branch_hw_idx;
+	bool cgroup;
+};
+
+extern struct perf_missing_features perf_missing_features;
+
+struct perf_cpu_map;
+struct target;
+struct thread_map;
+struct record_opts;
+
+static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
+{
+	return perf_evsel__cpus(&evsel->core);
+}
+
+static inline int evsel__nr_cpus(struct evsel *evsel)
+{
+	return evsel__cpus(evsel)->nr;
+}
+
+void perf_counts_values__scale(struct perf_counts_values *count,
+			       bool scale, s8 *pscaled);
+
+void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
+			   struct perf_counts_values *count);
+
+int evsel__object_config(size_t object_size,
+			 int (*init)(struct evsel *evsel),
+			 void (*fini)(struct evsel *evsel));
+
+struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
+bool evsel__is_aux_event(struct evsel *evsel);
+
+struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
+
+static inline struct evsel *evsel__new(struct perf_event_attr *attr)
+{
+	return evsel__new_idx(attr, 0);
+}
+
+struct evsel *evsel__clone(struct evsel *orig);
+struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx);
+
+/*
+ * Returns pointer with encoded error via <linux/err.h> interface.
+ */
+static inline struct evsel *evsel__newtp(const char *sys, const char *name)
+{
+	return evsel__newtp_idx(sys, name, 0);
+}
+
+struct evsel *evsel__new_cycles(bool precise);
+
+struct tep_event *event_format__new(const char *sys, const char *name);
+
+void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
+void evsel__exit(struct evsel *evsel);
+void evsel__delete(struct evsel *evsel);
+
+struct callchain_param;
+
+void evsel__config(struct evsel *evsel, struct record_opts *opts,
+		   struct callchain_param *callchain);
+void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+			     struct callchain_param *callchain);
+
+int __evsel__sample_size(u64 sample_type);
+void evsel__calc_id_pos(struct evsel *evsel);
+
+bool evsel__is_cache_op_valid(u8 type, u8 op);
+
+#define EVSEL__MAX_ALIASES 8
+
+extern const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
+extern const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
+extern const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
+extern const char *evsel__hw_names[PERF_COUNT_HW_MAX];
+extern const char *evsel__sw_names[PERF_COUNT_SW_MAX];
+int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size);
+const char *evsel__name(struct evsel *evsel);
+
+const char *evsel__group_name(struct evsel *evsel);
+int evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
+
+void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
+void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
+
+#define evsel__set_sample_bit(evsel, bit) \
+	__evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
+
+#define evsel__reset_sample_bit(evsel, bit) \
+	__evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
+
+void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier);
+
+int evsel__set_filter(struct evsel *evsel, const char *filter);
+int evsel__append_tp_filter(struct evsel *evsel, const char *filter);
+int evsel__append_addr_filter(struct evsel *evsel, const char *filter);
+int evsel__enable_cpu(struct evsel *evsel, int cpu);
+int evsel__enable(struct evsel *evsel);
+int evsel__disable(struct evsel *evsel);
+int evsel__disable_cpu(struct evsel *evsel, int cpu);
+
+int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu);
+int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads);
+int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
+		struct perf_thread_map *threads);
+void evsel__close(struct evsel *evsel);
+
+struct perf_sample;
+
+void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
+u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
+
+static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
+{
+	return evsel__rawptr(evsel, sample, name);
+}
+
+struct tep_format_field;
+
+u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
+
+struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
+
+#define evsel__match(evsel, t, c)		\
+	(evsel->core.attr.type == PERF_TYPE_##t &&	\
+	 evsel->core.attr.config == PERF_COUNT_##c)
+
+static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
+{
+	return (e1->core.attr.type == e2->core.attr.type) &&
+	       (e1->core.attr.config == e2->core.attr.config);
+}
+
+int evsel__read_counter(struct evsel *evsel, int cpu, int thread);
+
+int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale);
+
+/**
+ * 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 evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread)
+{
+	return __evsel__read_on_cpu(evsel, cpu, thread, false);
+}
+
+/**
+ * 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 evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu, int thread)
+{
+	return __evsel__read_on_cpu(evsel, cpu, thread, true);
+}
+
+int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
+			struct perf_sample *sample);
+
+int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
+				  u64 *timestamp);
+
+static inline struct evsel *evsel__next(struct evsel *evsel)
+{
+	return list_entry(evsel->core.node.next, struct evsel, core.node);
+}
+
+static inline struct evsel *evsel__prev(struct evsel *evsel)
+{
+	return list_entry(evsel->core.node.prev, struct evsel, core.node);
+}
+
+/**
+ * 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 evsel__is_group_leader(const struct evsel *evsel)
+{
+	return evsel->leader == evsel;
+}
+
+/**
+ * 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 evsel__is_group_event(struct evsel *evsel)
+{
+	if (!symbol_conf.event_group)
+		return false;
+
+	return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
+}
+
+bool evsel__is_function_event(struct evsel *evsel);
+
+static inline bool evsel__is_bpf_output(struct evsel *evsel)
+{
+	return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
+}
+
+static inline bool evsel__is_clock(struct evsel *evsel)
+{
+	return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
+	       evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
+}
+
+bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+			 int err, char *msg, size_t size);
+
+static inline int evsel__group_idx(struct 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)->core.node.next, struct evsel, core.node); \
+     (_evsel) && (_evsel)->leader == (_leader);					\
+     (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
+
+/* Iterates group WITH the leader. */
+#define for_each_group_evsel(_evsel, _leader) 					\
+for ((_evsel) = _leader; 							\
+     (_evsel) && (_evsel)->leader == (_leader);					\
+     (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
+
+static inline bool evsel__has_branch_callstack(const struct evsel *evsel)
+{
+	return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
+}
+
+static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel)
+{
+	return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX;
+}
+
+static inline bool evsel__has_callchain(const struct evsel *evsel)
+{
+	/*
+	 * For reporting purposes, an evsel sample can have a recorded callchain
+	 * or a callchain synthesized from AUX area data.
+	 */
+	return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN ||
+	       evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN;
+}
+
+static inline bool evsel__has_br_stack(const struct evsel *evsel)
+{
+	/*
+	 * For reporting purposes, an evsel sample can have a recorded branch
+	 * stack or a branch stack synthesized from AUX area data.
+	 */
+	return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK ||
+	       evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
+}
+
+static inline bool evsel__is_dummy_event(struct evsel *evsel)
+{
+	return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
+	       (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
+}
+
+struct perf_env *evsel__env(struct evsel *evsel);
+
+int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
+#endif /* __PERF_EVSEL_H */