This source file includes following definitions.
- target__has_task
- target__has_cpu
- target__none
- target__has_per_thread
- target__uses_dummy_map
1
2 #ifndef _PERF_TARGET_H
3 #define _PERF_TARGET_H
4
5 #include <stdbool.h>
6 #include <sys/types.h>
7
8 struct target {
9 const char *pid;
10 const char *tid;
11 const char *cpu_list;
12 const char *uid_str;
13 uid_t uid;
14 bool system_wide;
15 bool uses_mmap;
16 bool default_per_cpu;
17 bool per_thread;
18 };
19
20 enum target_errno {
21 TARGET_ERRNO__SUCCESS = 0,
22
23
24
25
26
27
28
29
30 __TARGET_ERRNO__START = -10000,
31
32
33 TARGET_ERRNO__PID_OVERRIDE_CPU = __TARGET_ERRNO__START,
34 TARGET_ERRNO__PID_OVERRIDE_UID,
35 TARGET_ERRNO__UID_OVERRIDE_CPU,
36 TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
37 TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
38 TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
39
40
41 TARGET_ERRNO__INVALID_UID,
42 TARGET_ERRNO__USER_NOT_FOUND,
43
44 __TARGET_ERRNO__END,
45 };
46
47 enum target_errno target__validate(struct target *target);
48 enum target_errno target__parse_uid(struct target *target);
49
50 int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
51
52 static inline bool target__has_task(struct target *target)
53 {
54 return target->tid || target->pid || target->uid_str;
55 }
56
57 static inline bool target__has_cpu(struct target *target)
58 {
59 return target->system_wide || target->cpu_list;
60 }
61
62 static inline bool target__none(struct target *target)
63 {
64 return !target__has_task(target) && !target__has_cpu(target);
65 }
66
67 static inline bool target__has_per_thread(struct target *target)
68 {
69 return target->system_wide && target->per_thread;
70 }
71
72 static inline bool target__uses_dummy_map(struct target *target)
73 {
74 bool use_dummy = false;
75
76 if (target->default_per_cpu)
77 use_dummy = target->per_thread ? true : false;
78 else if (target__has_task(target) ||
79 (!target__has_cpu(target) && !target->uses_mmap))
80 use_dummy = true;
81 else if (target__has_per_thread(target))
82 use_dummy = true;
83
84 return use_dummy;
85 }
86
87 #endif