71 lines · c
1// SPDX-License-Identifier: GPL-2.02 3#include <stdint.h>4#include <time.h>5#include <sched.h>6 7/*8 * '18446744073709551615\0'9 */10#define BUFF_U64_STR_SIZE 2411#define MAX_PATH 102412#define MAX_NICE 2013#define MIN_NICE -1914 15#define container_of(ptr, type, member)({ \16 const typeof(((type *)0)->member) *__mptr = (ptr); \17 (type *)((char *)__mptr - offsetof(type, member)) ; })18 19extern int config_debug;20void debug_msg(const char *fmt, ...);21void err_msg(const char *fmt, ...);22 23long parse_seconds_duration(char *val);24void get_duration(time_t start_time, char *output, int output_size);25 26int parse_cpu_list(char *cpu_list, char **monitored_cpus);27long long get_llong_from_str(char *start);28 29static inline void30update_min(unsigned long long *a, unsigned long long *b)31{32 if (*a > *b)33 *a = *b;34}35 36static inline void37update_max(unsigned long long *a, unsigned long long *b)38{39 if (*a < *b)40 *a = *b;41}42 43static inline void44update_sum(unsigned long long *a, unsigned long long *b)45{46 *a += *b;47}48 49struct sched_attr {50 uint32_t size;51 uint32_t sched_policy;52 uint64_t sched_flags;53 int32_t sched_nice;54 uint32_t sched_priority;55 uint64_t sched_runtime;56 uint64_t sched_deadline;57 uint64_t sched_period;58};59 60int parse_prio(char *arg, struct sched_attr *sched_param);61int parse_cpu_set(char *cpu_list, cpu_set_t *set);62int __set_sched_attr(int pid, struct sched_attr *attr);63int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr);64int set_comm_cgroup(const char *comm_prefix, const char *cgroup);65int set_pid_cgroup(pid_t pid, const char *cgroup);66int set_cpu_dma_latency(int32_t latency);67int auto_house_keeping(cpu_set_t *monitored_cpus);68 69#define ns_to_usf(x) (((double)x/1000))70#define ns_to_per(total, part) ((part * 100) / (double)total)71