xref: /linux/tools/perf/perf.h (revision 8f8d5745bb520c76b81abef4a2cb3023d0313bfd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_PERF_H
3 #define _PERF_PERF_H
4 
5 #include <time.h>
6 #include <stdbool.h>
7 #include <linux/types.h>
8 #include <linux/stddef.h>
9 #include <linux/perf_event.h>
10 
11 extern bool test_attr__enabled;
12 void test_attr__ready(void);
13 void test_attr__init(void);
14 void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
15 		     int fd, int group_fd, unsigned long flags);
16 
17 #define HAVE_ATTR_TEST
18 #include "perf-sys.h"
19 
20 static inline unsigned long long rdclock(void)
21 {
22 	struct timespec ts;
23 
24 	clock_gettime(CLOCK_MONOTONIC, &ts);
25 	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
26 }
27 
28 #ifndef MAX_NR_CPUS
29 #define MAX_NR_CPUS			1024
30 #endif
31 
32 extern const char *input_name;
33 extern bool perf_host, perf_guest;
34 extern const char perf_version_string[];
35 
36 void pthread__unblock_sigwinch(void);
37 
38 #include "util/target.h"
39 
40 struct record_opts {
41 	struct target target;
42 	bool	     group;
43 	bool	     inherit_stat;
44 	bool	     no_buffering;
45 	bool	     no_inherit;
46 	bool	     no_inherit_set;
47 	bool	     no_samples;
48 	bool	     raw_samples;
49 	bool	     sample_address;
50 	bool	     sample_phys_addr;
51 	bool	     sample_weight;
52 	bool	     sample_time;
53 	bool	     sample_time_set;
54 	bool	     sample_cpu;
55 	bool	     period;
56 	bool	     period_set;
57 	bool	     running_time;
58 	bool	     full_auxtrace;
59 	bool	     auxtrace_snapshot_mode;
60 	bool	     record_namespaces;
61 	bool	     record_switch_events;
62 	bool	     all_kernel;
63 	bool	     all_user;
64 	bool	     tail_synthesize;
65 	bool	     overwrite;
66 	bool	     ignore_missing_thread;
67 	bool	     strict_freq;
68 	bool	     sample_id;
69 	bool	     no_bpf_event;
70 	unsigned int freq;
71 	unsigned int mmap_pages;
72 	unsigned int auxtrace_mmap_pages;
73 	unsigned int user_freq;
74 	u64          branch_stack;
75 	u64	     sample_intr_regs;
76 	u64	     sample_user_regs;
77 	u64	     default_interval;
78 	u64	     user_interval;
79 	size_t	     auxtrace_snapshot_size;
80 	const char   *auxtrace_snapshot_opts;
81 	bool	     sample_transaction;
82 	unsigned     initial_delay;
83 	bool         use_clockid;
84 	clockid_t    clockid;
85 	u64          clockid_res_ns;
86 	int	     nr_cblocks;
87 	int	     affinity;
88 };
89 
90 enum perf_affinity {
91 	PERF_AFFINITY_SYS = 0,
92 	PERF_AFFINITY_NODE,
93 	PERF_AFFINITY_CPU,
94 	PERF_AFFINITY_MAX
95 };
96 
97 struct option;
98 extern const char * const *record_usage;
99 extern struct option *record_options;
100 extern int version_verbose;
101 
102 int record__parse_freq(const struct option *opt, const char *str, int unset);
103 #endif
104