projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 12864b31 NK |
1 | #ifndef _PERF_TARGET_H |
| 2 | #define _PERF_TARGET_H | |
| 3 | ||
| 4 | #include <stdbool.h> | |
| 5 | #include <sys/types.h> | |
| 6 | ||
| 602ad878 | 7 | struct target { |
| 12864b31 NK |
8 | const char *pid; |
| 9 | const char *tid; | |
| 10 | const char *cpu_list; | |
| 11 | const char *uid_str; | |
| 12 | uid_t uid; | |
| 13 | bool system_wide; | |
| d1cb9fce | 14 | bool uses_mmap; |
| 3aa5939d AH |
15 | bool default_per_cpu; |
| 16 | bool per_thread; | |
| 12864b31 NK |
17 | }; |
| 18 | ||
| 602ad878 ACM |
19 | enum target_errno { |
| 20 | TARGET_ERRNO__SUCCESS = 0, | |
| 60bbddaa NK |
21 | |
| 22 | /* | |
| 23 | * Choose an arbitrary negative big number not to clash with standard | |
| 24 | * errno since SUS requires the errno has distinct positive values. | |
| 25 | * See 'Issue 6' in the link below. | |
| 26 | * | |
| 27 | * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html | |
| 28 | */ | |
| 602ad878 | 29 | __TARGET_ERRNO__START = -10000, |
| 60bbddaa | 30 | |
| 602ad878 ACM |
31 | /* for target__validate() */ |
| 32 | TARGET_ERRNO__PID_OVERRIDE_CPU = __TARGET_ERRNO__START, | |
| 33 | TARGET_ERRNO__PID_OVERRIDE_UID, | |
| 34 | TARGET_ERRNO__UID_OVERRIDE_CPU, | |
| 35 | TARGET_ERRNO__PID_OVERRIDE_SYSTEM, | |
| 36 | TARGET_ERRNO__UID_OVERRIDE_SYSTEM, | |
| 3aa5939d | 37 | TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD, |
| 60bbddaa | 38 | |
| 602ad878 ACM |
39 | /* for target__parse_uid() */ |
| 40 | TARGET_ERRNO__INVALID_UID, | |
| 41 | TARGET_ERRNO__USER_NOT_FOUND, | |
| 60bbddaa | 42 | |
| 602ad878 | 43 | __TARGET_ERRNO__END, |
| 60bbddaa NK |
44 | }; |
| 45 | ||
| 602ad878 ACM |
46 | enum target_errno target__validate(struct target *target); |
| 47 | enum target_errno target__parse_uid(struct target *target); | |
| 12864b31 | 48 | |
| 602ad878 | 49 | int target__strerror(struct target *target, int errnum, char *buf, size_t buflen); |
| 16ad2ffb | 50 | |
| 602ad878 | 51 | static inline bool target__has_task(struct target *target) |
| d67356e7 | 52 | { |
| aa22dd49 | 53 | return target->tid || target->pid || target->uid_str; |
| d67356e7 NK |
54 | } |
| 55 | ||
| 602ad878 | 56 | static inline bool target__has_cpu(struct target *target) |
| d67356e7 | 57 | { |
| aa22dd49 | 58 | return target->system_wide || target->cpu_list; |
| d67356e7 NK |
59 | } |
| 60 | ||
| 602ad878 | 61 | static inline bool target__none(struct target *target) |
| d67356e7 | 62 | { |
| 602ad878 | 63 | return !target__has_task(target) && !target__has_cpu(target); |
| d67356e7 NK |
64 | } |
| 65 | ||
| 9c105fbc DY |
66 | static inline bool target__uses_dummy_map(struct target *target) |
| 67 | { | |
| 68 | bool use_dummy = false; | |
| 69 | ||
| 70 | if (target->default_per_cpu) | |
| 71 | use_dummy = target->per_thread ? true : false; | |
| 72 | else if (target__has_task(target) || | |
| 73 | (!target__has_cpu(target) && !target->uses_mmap)) | |
| 74 | use_dummy = true; | |
| 75 | ||
| 76 | return use_dummy; | |
| 77 | } | |
| 78 | ||
| 12864b31 | 79 | #endif /* _PERF_TARGET_H */ |