[mirror_ubuntu-hirsute-kernel.git] / tools / perf / util / evlist.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_EVLIST_H
#define __PERF_EVLIST_H 1

#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/refcount.h>
#include <linux/list.h>
#include <api/fd/array.h>
#include <internal/evlist.h>
#include <internal/evsel.h>
#include "events_stats.h"
#include "evsel.h"
#include <pthread.h>
#include <signal.h>
#include <unistd.h>

struct pollfd;
struct thread_map;
struct perf_cpu_map;
struct record_opts;

/*
 * State machine of bkw_mmap_state:
 *
 *                     .________________(forbid)_____________.
 *                     |                                     V
 * NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY
 *                     ^  ^              |   ^               |
 *                     |  |__(forbid)____/   |___(forbid)___/|
 *                     |                                     |
 *                      \_________________(3)_______________/
 *
 * NOTREADY     : Backward ring buffers are not ready
 * RUNNING      : Backward ring buffers are recording
 * DATA_PENDING : We are required to collect data from backward ring buffers
 * EMPTY        : We have collected data from backward ring buffers.
 *
 * (0): Setup backward ring buffer
 * (1): Pause ring buffers for reading
 * (2): Read from ring buffers
 * (3): Resume ring buffers for recording
 */
enum bkw_mmap_state {
	BKW_MMAP_NOTREADY,
	BKW_MMAP_RUNNING,
	BKW_MMAP_DATA_PENDING,
	BKW_MMAP_EMPTY,
};

struct evlist {
	struct perf_evlist core;
	int		 nr_groups;
	bool		 enabled;
	int		 id_pos;
	int		 is_pos;
	u64		 combined_sample_type;
	enum bkw_mmap_state bkw_mmap_state;
	struct {
		int	cork_fd;
		pid_t	pid;
	} workload;
	struct mmap *mmap;
	struct mmap *overwrite_mmap;
	struct evsel *selected;
	struct events_stats stats;
	struct perf_env	*env;
	void (*trace_event_sample_raw)(struct evlist *evlist,
				       union perf_event *event,
				       struct perf_sample *sample);
	u64		first_sample_time;
	u64		last_sample_time;
	struct {
		pthread_t		th;
		volatile int		done;
	} thread;
	struct {
		int	fd;	/* control file descriptor */
		int	ack;	/* ack file descriptor for control commands */
		int	pos;	/* index at evlist core object to check signals */
	} ctl_fd;
};

struct evsel_str_handler {
	const char *name;
	void	   *handler;
};

struct evlist *evlist__new(void);
struct evlist *perf_evlist__new_default(void);
struct evlist *perf_evlist__new_dummy(void);
void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
		  struct perf_thread_map *threads);
void evlist__exit(struct evlist *evlist);
void evlist__delete(struct evlist *evlist);

void evlist__add(struct evlist *evlist, struct evsel *entry);
void evlist__remove(struct evlist *evlist, struct evsel *evsel);

int __evlist__add_default(struct evlist *evlist, bool precise);

static inline int evlist__add_default(struct evlist *evlist)
{
	return __evlist__add_default(evlist, true);
}

int __evlist__add_default_attrs(struct evlist *evlist,
				     struct perf_event_attr *attrs, size_t nr_attrs);

#define evlist__add_default_attrs(evlist, array) \
	__evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))

int evlist__add_dummy(struct evlist *evlist);

int perf_evlist__add_sb_event(struct evlist *evlist,
			      struct perf_event_attr *attr,
			      evsel__sb_cb_t cb,
			      void *data);
void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data);
int perf_evlist__start_sb_thread(struct evlist *evlist,
				 struct target *target);
void perf_evlist__stop_sb_thread(struct evlist *evlist);

int evlist__add_newtp(struct evlist *evlist, const char *sys, const char *name, void *handler);

int __evlist__set_tracepoints_handlers(struct evlist *evlist,
				       const struct evsel_str_handler *assocs,
				       size_t nr_assocs);

#define evlist__set_tracepoints_handlers(evlist, array) \
	__evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))

void __perf_evlist__set_sample_bit(struct evlist *evlist,
				   enum perf_event_sample_format bit);
void __perf_evlist__reset_sample_bit(struct evlist *evlist,
				     enum perf_event_sample_format bit);

#define perf_evlist__set_sample_bit(evlist, bit) \
	__perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)

#define perf_evlist__reset_sample_bit(evlist, bit) \
	__perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)

int perf_evlist__set_tp_filter(struct evlist *evlist, const char *filter);
int perf_evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);

int perf_evlist__append_tp_filter(struct evlist *evlist, const char *filter);

int perf_evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid);
int perf_evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);

struct evsel *
perf_evlist__find_tracepoint_by_id(struct evlist *evlist, int id);

struct evsel *
perf_evlist__find_tracepoint_by_name(struct evlist *evlist,
				     const char *name);

int evlist__add_pollfd(struct evlist *evlist, int fd);
int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask);

int evlist__poll(struct evlist *evlist, int timeout);

struct evsel *perf_evlist__id2evsel(struct evlist *evlist, u64 id);
struct evsel *perf_evlist__id2evsel_strict(struct evlist *evlist,
						u64 id);

struct perf_sample_id *perf_evlist__id2sid(struct evlist *evlist, u64 id);

void perf_evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state);

void evlist__mmap_consume(struct evlist *evlist, int idx);

int evlist__open(struct evlist *evlist);
void evlist__close(struct evlist *evlist);

struct callchain_param;

void perf_evlist__set_id_pos(struct evlist *evlist);
void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
			 struct callchain_param *callchain);
int record_opts__config(struct record_opts *opts);

int perf_evlist__prepare_workload(struct evlist *evlist,
				  struct target *target,
				  const char *argv[], bool pipe_output,
				  void (*exec_error)(int signo, siginfo_t *info,
						     void *ucontext));
int perf_evlist__start_workload(struct evlist *evlist);

struct option;

int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str);
int perf_evlist__parse_mmap_pages(const struct option *opt,
				  const char *str,
				  int unset);

unsigned long perf_event_mlock_kb_in_pages(void);

int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
			 unsigned int auxtrace_pages,
			 bool auxtrace_overwrite, int nr_cblocks,
			 int affinity, int flush, int comp_level);
int evlist__mmap(struct evlist *evlist, unsigned int pages);
void evlist__munmap(struct evlist *evlist);

size_t evlist__mmap_size(unsigned long pages);

void evlist__disable(struct evlist *evlist);
void evlist__enable(struct evlist *evlist);
void perf_evlist__toggle_enable(struct evlist *evlist);

int perf_evlist__enable_event_idx(struct evlist *evlist,
				  struct evsel *evsel, int idx);

void perf_evlist__set_selected(struct evlist *evlist,
			       struct evsel *evsel);

int perf_evlist__create_maps(struct evlist *evlist, struct target *target);
int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel);

void __perf_evlist__set_leader(struct list_head *list);
void perf_evlist__set_leader(struct evlist *evlist);

u64 __evlist__combined_sample_type(struct evlist *evlist);
u64 evlist__combined_sample_type(struct evlist *evlist);
u64 evlist__combined_branch_type(struct evlist *evlist);
bool evlist__sample_id_all(struct evlist *evlist);
u16 perf_evlist__id_hdr_size(struct evlist *evlist);

int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
			      struct perf_sample *sample);

int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
					union perf_event *event,
					u64 *timestamp);

bool evlist__valid_sample_type(struct evlist *evlist);
bool evlist__valid_sample_id_all(struct evlist *evlist);
bool perf_evlist__valid_read_format(struct evlist *evlist);

void perf_evlist__splice_list_tail(struct evlist *evlist,
				   struct list_head *list);

static inline bool perf_evlist__empty(struct evlist *evlist)
{
	return list_empty(&evlist->core.entries);
}

static inline struct evsel *evlist__first(struct evlist *evlist)
{
	struct perf_evsel *evsel = perf_evlist__first(&evlist->core);

	return container_of(evsel, struct evsel, core);
}

static inline struct evsel *evlist__last(struct evlist *evlist)
{
	struct perf_evsel *evsel = perf_evlist__last(&evlist->core);

	return container_of(evsel, struct evsel, core);
}

int evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size);
int evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size);

bool perf_evlist__can_select_event(struct evlist *evlist, const char *str);
void perf_evlist__to_front(struct evlist *evlist,
			   struct evsel *move_evsel);

/**
 * __evlist__for_each_entry - iterate thru all the evsels
 * @list: list_head instance to iterate
 * @evsel: struct evsel iterator
 */
#define __evlist__for_each_entry(list, evsel) \
        list_for_each_entry(evsel, list, core.node)

/**
 * evlist__for_each_entry - iterate thru all the evsels
 * @evlist: evlist instance to iterate
 * @evsel: struct evsel iterator
 */
#define evlist__for_each_entry(evlist, evsel) \
	__evlist__for_each_entry(&(evlist)->core.entries, evsel)

/**
 * __evlist__for_each_entry_continue - continue iteration thru all the evsels
 * @list: list_head instance to iterate
 * @evsel: struct evsel iterator
 */
#define __evlist__for_each_entry_continue(list, evsel) \
        list_for_each_entry_continue(evsel, list, core.node)

/**
 * evlist__for_each_entry_continue - continue iteration thru all the evsels
 * @evlist: evlist instance to iterate
 * @evsel: struct evsel iterator
 */
#define evlist__for_each_entry_continue(evlist, evsel) \
	__evlist__for_each_entry_continue(&(evlist)->core.entries, evsel)

/**
 * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
 * @list: list_head instance to iterate
 * @evsel: struct evsel iterator
 */
#define __evlist__for_each_entry_reverse(list, evsel) \
        list_for_each_entry_reverse(evsel, list, core.node)

/**
 * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
 * @evlist: evlist instance to iterate
 * @evsel: struct evsel iterator
 */
#define evlist__for_each_entry_reverse(evlist, evsel) \
	__evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel)

/**
 * __evlist__for_each_entry_safe - safely iterate thru all the evsels
 * @list: list_head instance to iterate
 * @tmp: struct evsel temp iterator
 * @evsel: struct evsel iterator
 */
#define __evlist__for_each_entry_safe(list, tmp, evsel) \
        list_for_each_entry_safe(evsel, tmp, list, core.node)

/**
 * evlist__for_each_entry_safe - safely iterate thru all the evsels
 * @evlist: evlist instance to iterate
 * @evsel: struct evsel iterator
 * @tmp: struct evsel temp iterator
 */
#define evlist__for_each_entry_safe(evlist, tmp, evsel) \
	__evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel)

#define evlist__for_each_cpu(evlist, index, cpu)	\
	evlist__cpu_iter_start(evlist);			\
	perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus)

struct evsel *perf_evlist__get_tracking_event(struct evlist *evlist);
void perf_evlist__set_tracking_event(struct evlist *evlist,
				     struct evsel *tracking_evsel);

void evlist__cpu_iter_start(struct evlist *evlist);
bool evsel__cpu_iter_skip(struct evsel *ev, int cpu);
bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu);

struct evsel *
perf_evlist__find_evsel_by_str(struct evlist *evlist, const char *str);

struct evsel *perf_evlist__event2evsel(struct evlist *evlist,
					    union perf_event *event);

bool perf_evlist__exclude_kernel(struct evlist *evlist);

void perf_evlist__force_leader(struct evlist *evlist);

struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
						 struct evsel *evsel,
						bool close);
#define EVLIST_CTL_CMD_ENABLE_TAG  "enable"
#define EVLIST_CTL_CMD_DISABLE_TAG "disable"
#define EVLIST_CTL_CMD_ACK_TAG     "ack\n"
#define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot"

#define EVLIST_CTL_CMD_MAX_LEN 64

enum evlist_ctl_cmd {
	EVLIST_CTL_CMD_UNSUPPORTED = 0,
	EVLIST_CTL_CMD_ENABLE,
	EVLIST_CTL_CMD_DISABLE,
	EVLIST_CTL_CMD_ACK,
	EVLIST_CTL_CMD_SNAPSHOT,
};

int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close);
int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);
int evlist__finalize_ctlfd(struct evlist *evlist);
bool evlist__ctlfd_initialized(struct evlist *evlist);
int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd);
int evlist__ctlfd_ack(struct evlist *evlist);

#define EVLIST_ENABLED_MSG "Events enabled\n"
#define EVLIST_DISABLED_MSG "Events disabled\n"

#endif /* __PERF_EVLIST_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
361c99a6 ACM	2	#ifndef __PERF_EVLIST_H
	3	#define __PERF_EVLIST_H 1
	4
5c97cac6	5	#include <linux/compiler.h>
877a7a11	6	#include <linux/kernel.h>
25a3720c	7	#include <linux/refcount.h>
361c99a6	8	#include <linux/list.h>
1b85337d	9	#include <api/fd/array.h>
ce9036a6	10	#include <internal/evlist.h>
515dbe48	11	#include <internal/evsel.h>
47729258	12	#include "events_stats.h"
0c21f736	13	#include "evsel.h"
e0fcfb08	14	#include <pthread.h>
9607ad3a	15	#include <signal.h>
35b9d88e	16	#include <unistd.h>
361c99a6	17
5c581041	18	struct pollfd;
f8a95309	19	struct thread_map;
f854839b	20	struct perf_cpu_map;
b4006796	21	struct record_opts;
5c581041	22
e0fcfb08 ACM	23	/*
	24	* State machine of bkw_mmap_state:
	25	*
	26	* .________________(forbid)_____________.
	27	* \| V
	28	* NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY
	29	* ^ ^ \| ^ \|
	30	* \| \|__(forbid)____/ \|___(forbid)___/\|
	31	* \| \|
	32	* \_________________(3)_______________/
	33	*
	34	* NOTREADY : Backward ring buffers are not ready
	35	* RUNNING : Backward ring buffers are recording
	36	* DATA_PENDING : We are required to collect data from backward ring buffers
	37	* EMPTY : We have collected data from backward ring buffers.
	38	*
	39	* (0): Setup backward ring buffer
	40	* (1): Pause ring buffers for reading
	41	* (2): Read from ring buffers
	42	* (3): Resume ring buffers for recording
	43	*/
	44	enum bkw_mmap_state {
	45	BKW_MMAP_NOTREADY,
	46	BKW_MMAP_RUNNING,
	47	BKW_MMAP_DATA_PENDING,
	48	BKW_MMAP_EMPTY,
	49	};
	50
63503dba	51	struct evlist {
ce9036a6	52	struct perf_evlist core;
97f63e4a	53	int nr_groups;
2b56bcfb	54	bool enabled;
75562573 AH	55	int id_pos;
	56	int is_pos;
	57	u64 combined_sample_type;
54cc54de	58	enum bkw_mmap_state bkw_mmap_state;
35b9d88e ACM	59	struct {
	60	int cork_fd;
	61	pid_t pid;
	62	} workload;
a5830532 JO	63	struct mmap *mmap;
a5830532 JO	64	struct mmap *overwrite_mmap;
32dcd021	65	struct evsel *selected;
75be989a	66	struct events_stats stats;
2c07144d	67	struct perf_env *env;
63503dba	68	void (trace_event_sample_raw)(struct evlist evlist,
93115d32 TR	69	union perf_event *event,
93115d32 TR	70	struct perf_sample *sample);
6011518d JY	71	u64 first_sample_time;
6011518d JY	72	u64 last_sample_time;
657ee553 SL	73	struct {
	74	pthread_t th;
	75	volatile int done;
	76	} thread;
8ab705b5 AB	77	struct {
	78	int fd; /* control file descriptor */
	79	int ack; /* ack file descriptor for control commands */
	80	int pos; /* index at evlist core object to check signals */
	81	} ctl_fd;
361c99a6 ACM	82	};
361c99a6 ACM	83
32dcd021	84	struct evsel_str_handler {
ee29be62 ACM	85	const char *name;
	86	void *handler;
	87	};
	88
0f98b11c	89	struct evlist *evlist__new(void);
63503dba JO	90	struct evlist *perf_evlist__new_default(void);
63503dba JO	91	struct evlist *perf_evlist__new_dummy(void);
52c86bca JO	92	void evlist__init(struct evlist evlist, struct perf_cpu_map cpus,
52c86bca JO	93	struct perf_thread_map *threads);
470579b0	94	void evlist__exit(struct evlist *evlist);
c12995a5	95	void evlist__delete(struct evlist *evlist);
361c99a6	96
a1cf3a75	97	void evlist__add(struct evlist evlist, struct evsel entry);
16251027	98	void evlist__remove(struct evlist evlist, struct evsel evsel);
db918acb	99
e251abee	100	int __evlist__add_default(struct evlist *evlist, bool precise);
db918acb	101
e251abee	102	static inline int evlist__add_default(struct evlist *evlist)
db918acb	103	{
e251abee	104	return __evlist__add_default(evlist, true);
db918acb ACM	105	}
db918acb ACM	106
e251abee	107	int __evlist__add_default_attrs(struct evlist *evlist,
79695e1b	108	struct perf_event_attr *attrs, size_t nr_attrs);
e60fc847	109
e251abee ACM	110	#define evlist__add_default_attrs(evlist, array) \
e251abee ACM	111	__evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
361c99a6	112
e251abee	113	int evlist__add_dummy(struct evlist *evlist);
5bae0250	114
b38d85ef	115	int perf_evlist__add_sb_event(struct evlist *evlist,
657ee553	116	struct perf_event_attr *attr,
65ddce3f	117	evsel__sb_cb_t cb,
657ee553	118	void *data);
65ddce3f	119	void evlist__set_cb(struct evlist evlist, evsel__sb_cb_t cb, void data);
63503dba	120	int perf_evlist__start_sb_thread(struct evlist *evlist,
657ee553	121	struct target *target);
63503dba	122	void perf_evlist__stop_sb_thread(struct evlist *evlist);
657ee553	123
e251abee	124	int evlist__add_newtp(struct evlist evlist, const char sys, const char name, void handler);
39876e7d	125
c0e53476 ACM	126	int __evlist__set_tracepoints_handlers(struct evlist *evlist,
	127	const struct evsel_str_handler *assocs,
	128	size_t nr_assocs);
	129
	130	#define evlist__set_tracepoints_handlers(evlist, array) \
	131	__evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
	132
63503dba	133	void __perf_evlist__set_sample_bit(struct evlist *evlist,
22c8a376	134	enum perf_event_sample_format bit);
63503dba	135	void __perf_evlist__reset_sample_bit(struct evlist *evlist,
22c8a376 ACM	136	enum perf_event_sample_format bit);
	137
	138	#define perf_evlist__set_sample_bit(evlist, bit) \
	139	__perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
	140
	141	#define perf_evlist__reset_sample_bit(evlist, bit) \
	142	__perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
	143
63503dba JO	144	int perf_evlist__set_tp_filter(struct evlist evlist, const char filter);
	145	int perf_evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
	146	int perf_evlist__set_tp_filter_pids(struct evlist evlist, size_t npids, pid_t pids);
745cefc5	147
53c92f73 ACM	148	int perf_evlist__append_tp_filter(struct evlist evlist, const char filter);
53c92f73 ACM	149
1827ab5b ACM	150	int perf_evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid);
	151	int perf_evlist__append_tp_filter_pids(struct evlist evlist, size_t npids, pid_t pids);
	152
32dcd021	153	struct evsel *
63503dba	154	perf_evlist__find_tracepoint_by_id(struct evlist *evlist, int id);
da378962	155
32dcd021	156	struct evsel *
63503dba	157	perf_evlist__find_tracepoint_by_name(struct evlist *evlist,
a2f2804a DA	158	const char *name);
a2f2804a DA	159
f4009e7b JO	160	int evlist__add_pollfd(struct evlist *evlist, int fd);
f4009e7b JO	161	int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask);
1ddec7f0	162
80ab2987	163	int evlist__poll(struct evlist *evlist, int timeout);
f66a889d	164
63503dba JO	165	struct evsel perf_evlist__id2evsel(struct evlist evlist, u64 id);
63503dba JO	166	struct evsel perf_evlist__id2evsel_strict(struct evlist evlist,
dddcf6ab	167	u64 id);
70db7533	168
63503dba	169	struct perf_sample_id perf_evlist__id2sid(struct evlist evlist, u64 id);
932a3594	170
63503dba	171	void perf_evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state);
54cc54de	172
9521b5f2	173	void evlist__mmap_consume(struct evlist *evlist, int idx);
8e50d384	174
474ddc4c	175	int evlist__open(struct evlist *evlist);
750b4ede	176	void evlist__close(struct evlist *evlist);
727ab04e	177
e68ae9cf ACM	178	struct callchain_param;
e68ae9cf ACM	179
63503dba	180	void perf_evlist__set_id_pos(struct evlist *evlist);
63503dba	181	void perf_evlist__config(struct evlist evlist, struct record_opts opts,
e68ae9cf	182	struct callchain_param *callchain);
b4006796	183	int record_opts__config(struct record_opts *opts);
0f82ebc4	184
63503dba	185	int perf_evlist__prepare_workload(struct evlist *evlist,
602ad878	186	struct target *target,
55e162ea	187	const char *argv[], bool pipe_output,
735f7e0b ACM	188	void (exec_error)(int signo, siginfo_t info,
735f7e0b ACM	189	void *ucontext));
63503dba	190	int perf_evlist__start_workload(struct evlist *evlist);
35b9d88e	191
724ce97e ACM	192	struct option;
724ce97e ACM	193
e9db1310	194	int __perf_evlist__parse_mmap_pages(unsigned int mmap_pages, const char str);
994a1f78 JO	195	int perf_evlist__parse_mmap_pages(const struct option *opt,
	196	const char *str,
	197	int unset);
	198
f5e7150c ACM	199	unsigned long perf_event_mlock_kb_in_pages(void);
f5e7150c ACM	200
9521b5f2	201	int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
7a276ff6	202	unsigned int auxtrace_pages,
470530bb	203	bool auxtrace_overwrite, int nr_cblocks,
51255a8a	204	int affinity, int flush, int comp_level);
9521b5f2	205	int evlist__mmap(struct evlist *evlist, unsigned int pages);
db6b7b13	206	void evlist__munmap(struct evlist *evlist);
7e2ed097	207
9521b5f2	208	size_t evlist__mmap_size(unsigned long pages);
0c582449	209
e74676de	210	void evlist__disable(struct evlist *evlist);
1c87f165	211	void evlist__enable(struct evlist *evlist);
63503dba	212	void perf_evlist__toggle_enable(struct evlist *evlist);
4152ab37	213
63503dba	214	int perf_evlist__enable_event_idx(struct evlist *evlist,
32dcd021	215	struct evsel *evsel, int idx);
395c3070	216
63503dba	217	void perf_evlist__set_selected(struct evlist *evlist,
32dcd021	218	struct evsel *evsel);
81cce8de	219
63503dba JO	220	int perf_evlist__create_maps(struct evlist evlist, struct target target);
63503dba JO	221	int perf_evlist__apply_filters(struct evlist evlist, struct evsel *err_evsel);
f8a95309	222
63dab225	223	void __perf_evlist__set_leader(struct list_head *list);
63503dba	224	void perf_evlist__set_leader(struct evlist *evlist);
63dab225	225
b3c2cc2b ACM	226	u64 __evlist__combined_sample_type(struct evlist *evlist);
b3c2cc2b ACM	227	u64 evlist__combined_sample_type(struct evlist *evlist);
92c7d7cd	228	u64 evlist__combined_branch_type(struct evlist *evlist);
8cedf3a5	229	bool evlist__sample_id_all(struct evlist *evlist);
63503dba	230	u16 perf_evlist__id_hdr_size(struct evlist *evlist);
74429964	231
63503dba	232	int perf_evlist__parse_sample(struct evlist evlist, union perf_event event,
0807d2d8	233	struct perf_sample *sample);
cb0b29e0	234
63503dba	235	int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
01468120 JO	236	union perf_event *event,
	237	u64 *timestamp);
	238
b3c2cc2b	239	bool evlist__valid_sample_type(struct evlist *evlist);
8cedf3a5	240	bool evlist__valid_sample_id_all(struct evlist *evlist);
63503dba	241	bool perf_evlist__valid_read_format(struct evlist *evlist);
0529bc1f	242
63503dba	243	void perf_evlist__splice_list_tail(struct evlist *evlist,
f114d6ef	244	struct list_head *list);
0c21f736	245
63503dba	246	static inline bool perf_evlist__empty(struct evlist *evlist)
64831a21	247	{
ce9036a6	248	return list_empty(&evlist->core.entries);
64831a21 DCC	249	}
64831a21 DCC	250
515dbe48	251	static inline struct evsel evlist__first(struct evlist evlist)
0c21f736	252	{
515dbe48 JO	253	struct perf_evsel *evsel = perf_evlist__first(&evlist->core);
	254
	255	return container_of(evsel, struct evsel, core);
0c21f736 ACM	256	}
0c21f736 ACM	257
515dbe48	258	static inline struct evsel evlist__last(struct evlist evlist)
0c21f736	259	{
515dbe48 JO	260	struct perf_evsel *evsel = perf_evlist__last(&evlist->core);
	261
	262	return container_of(evsel, struct evsel, core);
0c21f736	263	}
78f067b3	264
d1f249ec ACM	265	int evlist__strerror_open(struct evlist evlist, int err, char buf, size_t size);
d1f249ec ACM	266	int evlist__strerror_mmap(struct evlist evlist, int err, char buf, size_t size);
6ef068cb	267
63503dba JO	268	bool perf_evlist__can_select_event(struct evlist evlist, const char str);
63503dba JO	269	void perf_evlist__to_front(struct evlist *evlist,
32dcd021	270	struct evsel *move_evsel);
a025e4f0	271
0050f7aa	272	/**
e5cadb93	273	* __evlist__for_each_entry - iterate thru all the evsels
0050f7aa ACM	274	* @list: list_head instance to iterate
	275	* @evsel: struct evsel iterator
	276	*/
e5cadb93	277	#define __evlist__for_each_entry(list, evsel) \
b27c4ece	278	list_for_each_entry(evsel, list, core.node)
0050f7aa ACM	279
0050f7aa ACM	280	/**
e5cadb93	281	* evlist__for_each_entry - iterate thru all the evsels
0050f7aa ACM	282	* @evlist: evlist instance to iterate
	283	* @evsel: struct evsel iterator
	284	*/
e5cadb93	285	#define evlist__for_each_entry(evlist, evsel) \
ce9036a6	286	__evlist__for_each_entry(&(evlist)->core.entries, evsel)
0050f7aa ACM	287
0050f7aa ACM	288	/**
e5cadb93	289	* __evlist__for_each_entry_continue - continue iteration thru all the evsels
0050f7aa ACM	290	* @list: list_head instance to iterate
	291	* @evsel: struct evsel iterator
	292	*/
e5cadb93	293	#define __evlist__for_each_entry_continue(list, evsel) \
b27c4ece	294	list_for_each_entry_continue(evsel, list, core.node)
0050f7aa ACM	295
0050f7aa ACM	296	/**
e5cadb93	297	* evlist__for_each_entry_continue - continue iteration thru all the evsels
0050f7aa ACM	298	* @evlist: evlist instance to iterate
	299	* @evsel: struct evsel iterator
	300	*/
e5cadb93	301	#define evlist__for_each_entry_continue(evlist, evsel) \
ce9036a6	302	__evlist__for_each_entry_continue(&(evlist)->core.entries, evsel)
0050f7aa ACM	303
0050f7aa ACM	304	/**
e5cadb93	305	* __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
0050f7aa ACM	306	* @list: list_head instance to iterate
	307	* @evsel: struct evsel iterator
	308	*/
e5cadb93	309	#define __evlist__for_each_entry_reverse(list, evsel) \
b27c4ece	310	list_for_each_entry_reverse(evsel, list, core.node)
0050f7aa ACM	311
0050f7aa ACM	312	/**
e5cadb93	313	* evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
0050f7aa ACM	314	* @evlist: evlist instance to iterate
	315	* @evsel: struct evsel iterator
	316	*/
e5cadb93	317	#define evlist__for_each_entry_reverse(evlist, evsel) \
ce9036a6	318	__evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel)
0050f7aa ACM	319
0050f7aa ACM	320	/**
e5cadb93	321	* __evlist__for_each_entry_safe - safely iterate thru all the evsels
0050f7aa ACM	322	* @list: list_head instance to iterate
	323	* @tmp: struct evsel temp iterator
	324	* @evsel: struct evsel iterator
	325	*/
e5cadb93	326	#define __evlist__for_each_entry_safe(list, tmp, evsel) \
b27c4ece	327	list_for_each_entry_safe(evsel, tmp, list, core.node)
0050f7aa ACM	328
0050f7aa ACM	329	/**
e5cadb93	330	* evlist__for_each_entry_safe - safely iterate thru all the evsels
0050f7aa ACM	331	* @evlist: evlist instance to iterate
	332	* @evsel: struct evsel iterator
	333	* @tmp: struct evsel temp iterator
	334	*/
e5cadb93	335	#define evlist__for_each_entry_safe(evlist, tmp, evsel) \
ce9036a6	336	__evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel)
c09ec622	337
a8cbe40f AK	338	#define evlist__for_each_cpu(evlist, index, cpu) \
	339	evlist__cpu_iter_start(evlist); \
	340	perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus)
	341
442ad225	342	struct evsel perf_evlist__get_tracking_event(struct evlist evlist);
63503dba	343	void perf_evlist__set_tracking_event(struct evlist *evlist,
32dcd021	344	struct evsel *tracking_evsel);
45cf6c33	345
a8cbe40f AK	346	void evlist__cpu_iter_start(struct evlist *evlist);
	347	bool evsel__cpu_iter_skip(struct evsel *ev, int cpu);
	348	bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu);
	349
32dcd021	350	struct evsel *
63503dba	351	perf_evlist__find_evsel_by_str(struct evlist evlist, const char str);
7cb5c5ac	352
63503dba	353	struct evsel perf_evlist__event2evsel(struct evlist evlist,
7cb5c5ac	354	union perf_event *event);
07d6f446	355
63503dba	356	bool perf_evlist__exclude_kernel(struct evlist *evlist);
e2bdbe80	357
63503dba	358	void perf_evlist__force_leader(struct evlist *evlist);
e2bdbe80	359
63503dba	360	struct evsel perf_evlist__reset_weak_group(struct evlist evlist,
4804e011 AK	361	struct evsel *evsel,
4804e011 AK	362	bool close);
ec886bf5 AB	363	#define EVLIST_CTL_CMD_ENABLE_TAG "enable"
	364	#define EVLIST_CTL_CMD_DISABLE_TAG "disable"
	365	#define EVLIST_CTL_CMD_ACK_TAG "ack\n"
d20aff15	366	#define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot"
ec886bf5 AB	367
	368	#define EVLIST_CTL_CMD_MAX_LEN 64
	369
	370	enum evlist_ctl_cmd {
	371	EVLIST_CTL_CMD_UNSUPPORTED = 0,
	372	EVLIST_CTL_CMD_ENABLE,
	373	EVLIST_CTL_CMD_DISABLE,
d20aff15 AH	374	EVLIST_CTL_CMD_ACK,
d20aff15 AH	375	EVLIST_CTL_CMD_SNAPSHOT,
ec886bf5 AB	376	};
ec886bf5 AB	377
a8fcbd26	378	int evlist__parse_control(const char str, int ctl_fd, int ctl_fd_ack, bool ctl_fd_close);
ec886bf5 AB	379	int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);
	380	int evlist__finalize_ctlfd(struct evlist *evlist);
	381	bool evlist__ctlfd_initialized(struct evlist *evlist);
	382	int evlist__ctlfd_process(struct evlist evlist, enum evlist_ctl_cmd cmd);
d20aff15	383	int evlist__ctlfd_ack(struct evlist *evlist);
ec886bf5	384
2162b9c6 AB	385	#define EVLIST_ENABLED_MSG "Events enabled\n"
	386	#define EVLIST_DISABLED_MSG "Events disabled\n"
	387
361c99a6	388	#endif /* __PERF_EVLIST_H */