// SPDX-License-Identifier: GPL-2.0 #include <stdint.h>#include <string.h>#include <time.h>#include <sched.h>#include <stdbool.h>#include <stdlib.h> #include <linux/container_of.h> /* * '18446744073709551615\0' */#define BUFF_U64_STR_SIZE	24#define MAX_PATH		1024#define MAX_NICE		20#define MIN_NICE		-19 #ifndef ARRAY_SIZE#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))#endif /* Calculate string length at compile time (excluding null terminator) */#define STRING_LENGTH(s) (ARRAY_SIZE(s) - sizeof(*(s))) /* Compare string with static string, length determined at compile time */#define strncmp_static(s1, s2) strncmp(s1, s2, ARRAY_SIZE(s2)) /** * str_has_prefix - Test if a string has a given prefix * @str: The string to test * @prefix: The string to see if @str starts with * * Returns: true if @str starts with @prefix, false otherwise */static inline bool str_has_prefix(const char *str, const char *prefix){	return strncmp(str, prefix, strlen(prefix)) == 0;} extern bool config_debug;void debug_msg(const char *fmt, ...);void err_msg(const char *fmt, ...);void fatal(const char *fmt, ...); long parse_seconds_duration(char *val);void get_duration(time_t start_time, char *output, int output_size); long long get_llong_from_str(char *start); static inline voidupdate_min(unsigned long long *a, unsigned long long *b){	if (*a > *b)		*a = *b;} static inline voidupdate_max(unsigned long long *a, unsigned long long *b){	if (*a < *b)		*a = *b;} static inline voidupdate_sum(unsigned long long *a, unsigned long long *b){	*a += *b;} #ifndef SCHED_ATTR_SIZE_VER0struct sched_attr {	uint32_t size;	uint32_t sched_policy;	uint64_t sched_flags;	int32_t sched_nice;	uint32_t sched_priority;	uint64_t sched_runtime;	uint64_t sched_deadline;	uint64_t sched_period;};#endif /* SCHED_ATTR_SIZE_VER0 */ enum stack_format {	STACK_FORMAT_TRUNCATE,	STACK_FORMAT_SKIP,	STACK_FORMAT_FULL}; int parse_prio(char *arg, struct sched_attr *sched_param);int parse_cpu_set(char *cpu_list, cpu_set_t *set);int parse_stack_format(char *arg);int __set_sched_attr(int pid, struct sched_attr *attr);int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr);int set_comm_cgroup(const char *comm_prefix, const char *cgroup);int set_pid_cgroup(pid_t pid, const char *cgroup);int set_cpu_dma_latency(int32_t latency);void *calloc_fatal(size_t n, size_t size);void *reallocarray_fatal(void *p, size_t n, size_t size);char *strdup_fatal(const char *s);#ifdef HAVE_LIBCPUPOWER_SUPPORTint save_cpu_idle_disable_state(unsigned int cpu);int restore_cpu_idle_disable_state(unsigned int cpu);void free_cpu_idle_disable_states(void);int set_deepest_cpu_idle_state(unsigned int cpu, unsigned int state);static inline int have_libcpupower_support(void) { return 1; }#elsestatic inline int save_cpu_idle_disable_state(unsigned int cpu) { return -1; }static inline int restore_cpu_idle_disable_state(unsigned int cpu) { return -1; }static inline void free_cpu_idle_disable_states(void) { }static inline int set_deepest_cpu_idle_state(unsigned int cpu, unsigned int state) { return -1; }static inline int have_libcpupower_support(void) { return 0; }#endif /* HAVE_LIBCPUPOWER_SUPPORT */int auto_house_keeping(cpu_set_t *monitored_cpus);__attribute__((__warn_unused_result__)) int strtoi(const char *s, int *res); #define ns_to_usf(x) (((double)x/1000))#define ns_to_per(total, part) ((part * 100) / (double)total) enum result {	PASSED	= EXIT_SUCCESS,	ERROR	= EXIT_FAILURE,	FAILED, /* test hit the stop tracing condition */};