Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _PERF_TARGET_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _PERF_TARGET_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) struct target {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	const char   *pid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	const char   *tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	const char   *cpu_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	const char   *uid_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	uid_t	     uid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	bool	     system_wide;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	bool	     uses_mmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	bool	     default_per_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	bool	     per_thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) enum target_errno {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	TARGET_ERRNO__SUCCESS		= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	 * Choose an arbitrary negative big number not to clash with standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	 * errno since SUS requires the errno has distinct positive values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	 * See 'Issue 6' in the link below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	__TARGET_ERRNO__START		= -10000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	/* for target__validate() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	TARGET_ERRNO__PID_OVERRIDE_CPU	= __TARGET_ERRNO__START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	TARGET_ERRNO__PID_OVERRIDE_UID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	TARGET_ERRNO__UID_OVERRIDE_CPU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	/* for target__parse_uid() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	TARGET_ERRNO__INVALID_UID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	TARGET_ERRNO__USER_NOT_FOUND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	__TARGET_ERRNO__END,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) enum target_errno target__validate(struct target *target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) enum target_errno target__parse_uid(struct target *target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) static inline bool target__has_task(struct target *target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	return target->tid || target->pid || target->uid_str;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static inline bool target__has_cpu(struct target *target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	return target->system_wide || target->cpu_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static inline bool target__none(struct target *target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	return !target__has_task(target) && !target__has_cpu(target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static inline bool target__has_per_thread(struct target *target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	return target->system_wide && target->per_thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static inline bool target__uses_dummy_map(struct target *target)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	bool use_dummy = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	if (target->default_per_cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 		use_dummy = target->per_thread ? true : false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	else if (target__has_task(target) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	         (!target__has_cpu(target) && !target->uses_mmap))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 		use_dummy = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	else if (target__has_per_thread(target))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 		use_dummy = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 	return use_dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #endif /* _PERF_TARGET_H */