1 /* SPDX-License-Identifier: GPL-2.0 */
25 TARGET_ERRNO__SUCCESS = 0,
28 * Choose an arbitrary negative big number not to clash with standard
29 * errno since SUS requires the errno has distinct positive values.
30 * See 'Issue 6' in the link below.
32 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
34 __TARGET_ERRNO__START = -10000,
36 /* for target__validate() */
37 TARGET_ERRNO__PID_OVERRIDE_CPU = __TARGET_ERRNO__START,
38 TARGET_ERRNO__PID_OVERRIDE_UID,
39 TARGET_ERRNO__UID_OVERRIDE_CPU,
40 TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
41 TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
42 TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
43 TARGET_ERRNO__BPF_OVERRIDE_CPU,
44 TARGET_ERRNO__BPF_OVERRIDE_PID,
45 TARGET_ERRNO__BPF_OVERRIDE_UID,
46 TARGET_ERRNO__BPF_OVERRIDE_THREAD,
48 /* for target__parse_uid() */
49 TARGET_ERRNO__INVALID_UID,
50 TARGET_ERRNO__USER_NOT_FOUND,
55 enum target_errno target__validate(struct target *target);
56 enum target_errno target__parse_uid(struct target *target);
58 int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
60 static inline bool target__has_task(struct target *target)
62 return target->tid || target->pid || target->uid_str;
65 static inline bool target__has_cpu(struct target *target)
67 return target->system_wide || target->cpu_list;
70 static inline bool target__none(struct target *target)
72 return !target__has_task(target) && !target__has_cpu(target);
75 static inline bool target__enable_on_exec(struct target *target)
78 * Normally enable_on_exec should be set if:
79 * 1) The tracee process is forked (not attaching to existed task or cpu).
80 * 2) And initial_delay is not configured.
81 * Otherwise, we enable tracee events manually.
83 return target__none(target) && !target->initial_delay;
86 static inline bool target__has_per_thread(struct target *target)
88 return target->system_wide && target->per_thread;
91 static inline bool target__uses_dummy_map(struct target *target)
93 bool use_dummy = false;
95 if (target->default_per_cpu)
96 use_dummy = target->per_thread ? true : false;
97 else if (target__has_task(target) ||
98 (!target__has_cpu(target) && !target->uses_mmap))
100 else if (target__has_per_thread(target))
106 #endif /* _PERF_TARGET_H */