]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
12864b31 NK |
2 | #ifndef _PERF_TARGET_H |
3 | #define _PERF_TARGET_H | |
4 | ||
5 | #include <stdbool.h> | |
6 | #include <sys/types.h> | |
7 | ||
602ad878 | 8 | struct target { |
12864b31 NK |
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; | |
d1cb9fce | 15 | bool uses_mmap; |
3aa5939d AH |
16 | bool default_per_cpu; |
17 | bool per_thread; | |
12864b31 NK |
18 | }; |
19 | ||
602ad878 ACM |
20 | enum target_errno { |
21 | TARGET_ERRNO__SUCCESS = 0, | |
60bbddaa NK |
22 | |
23 | /* | |
24 | * Choose an arbitrary negative big number not to clash with standard | |
25 | * errno since SUS requires the errno has distinct positive values. | |
26 | * See 'Issue 6' in the link below. | |
27 | * | |
28 | * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html | |
29 | */ | |
602ad878 | 30 | __TARGET_ERRNO__START = -10000, |
60bbddaa | 31 | |
602ad878 ACM |
32 | /* for target__validate() */ |
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, | |
3aa5939d | 38 | TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD, |
60bbddaa | 39 | |
602ad878 ACM |
40 | /* for target__parse_uid() */ |
41 | TARGET_ERRNO__INVALID_UID, | |
42 | TARGET_ERRNO__USER_NOT_FOUND, | |
60bbddaa | 43 | |
602ad878 | 44 | __TARGET_ERRNO__END, |
60bbddaa NK |
45 | }; |
46 | ||
602ad878 ACM |
47 | enum target_errno target__validate(struct target *target); |
48 | enum target_errno target__parse_uid(struct target *target); | |
12864b31 | 49 | |
602ad878 | 50 | int target__strerror(struct target *target, int errnum, char *buf, size_t buflen); |
16ad2ffb | 51 | |
602ad878 | 52 | static inline bool target__has_task(struct target *target) |
d67356e7 | 53 | { |
aa22dd49 | 54 | return target->tid || target->pid || target->uid_str; |
d67356e7 NK |
55 | } |
56 | ||
602ad878 | 57 | static inline bool target__has_cpu(struct target *target) |
d67356e7 | 58 | { |
aa22dd49 | 59 | return target->system_wide || target->cpu_list; |
d67356e7 NK |
60 | } |
61 | ||
602ad878 | 62 | static inline bool target__none(struct target *target) |
d67356e7 | 63 | { |
602ad878 | 64 | return !target__has_task(target) && !target__has_cpu(target); |
d67356e7 NK |
65 | } |
66 | ||
1d9f8d1b JY |
67 | static inline bool target__has_per_thread(struct target *target) |
68 | { | |
69 | return target->system_wide && target->per_thread; | |
70 | } | |
71 | ||
9c105fbc DY |
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; | |
1d9f8d1b JY |
81 | else if (target__has_per_thread(target)) |
82 | use_dummy = true; | |
9c105fbc DY |
83 | |
84 | return use_dummy; | |
85 | } | |
86 | ||
12864b31 | 87 | #endif /* _PERF_TARGET_H */ |