1// SPDX-License-Identifier: GPL-2.0
 
 2#include <stdint.h>
 3#include <time.h>
 
 4
 5/*
 6 * '18446744073709551615\0'
 7 */
 8#define BUFF_U64_STR_SIZE	24
 9#define MAX_PATH		1024
 
 
10
11#define container_of(ptr, type, member)({			\
12	const typeof(((type *)0)->member) *__mptr = (ptr);	\
13	(type *)((char *)__mptr - offsetof(type, member)) ; })
14
15extern int config_debug;
16void debug_msg(const char *fmt, ...);
17void err_msg(const char *fmt, ...);
18
19long parse_seconds_duration(char *val);
20void get_duration(time_t start_time, char *output, int output_size);
21
22int parse_cpu_list(char *cpu_list, char **monitored_cpus);
23long long get_llong_from_str(char *start);
24
25static inline void
26update_min(unsigned long long *a, unsigned long long *b)
27{
28	if (*a > *b)
29		*a = *b;
30}
31
32static inline void
33update_max(unsigned long long *a, unsigned long long *b)
34{
35	if (*a < *b)
36		*a = *b;
37}
38
39static inline void
40update_sum(unsigned long long *a, unsigned long long *b)
41{
42	*a += *b;
43}
44
45struct sched_attr {
46	uint32_t size;
47	uint32_t sched_policy;
48	uint64_t sched_flags;
49	int32_t sched_nice;
50	uint32_t sched_priority;
51	uint64_t sched_runtime;
52	uint64_t sched_deadline;
53	uint64_t sched_period;
54};
55
56int parse_prio(char *arg, struct sched_attr *sched_param);
 
 
57int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr);
 
 
58int set_cpu_dma_latency(int32_t latency);

 1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <stdint.h>
 4#include <time.h>
 5#include <sched.h>
 6
 7/*
 8 * '18446744073709551615\0'
 9 */
10#define BUFF_U64_STR_SIZE	24
11#define MAX_PATH		1024
12#define MAX_NICE		20
13#define MIN_NICE		-19
14
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 void
30update_min(unsigned long long *a, unsigned long long *b)
31{
32	if (*a > *b)
33		*a = *b;
34}
35
36static inline void
37update_max(unsigned long long *a, unsigned long long *b)
38{
39	if (*a < *b)
40		*a = *b;
41}
42
43static inline void
44update_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)