Merge tag 'soc-drivers-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-block.git] / tools / tracing / rtla / src / utils.h
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b1696371 1// SPDX-License-Identifier: GPL-2.0
272ced25 2
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3#include <stdint.h>
4#include <time.h>
272ced25 5#include <sched.h>
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6
7/*
8 * '18446744073709551615\0'
9 */
10#define BUFF_U64_STR_SIZE 24
dada03db 11#define MAX_PATH 1024
14f08c97 12#define MAX_NICE 20
13#define MIN_NICE -19
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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);
272ced25 61int parse_cpu_set(char *cpu_list, cpu_set_t *set);
cdca4f4e 62int __set_sched_attr(int pid, struct sched_attr *attr);
dada03db 63int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr);
a957cbc0 64int set_comm_cgroup(const char *comm_prefix, const char *cgroup);
cdca4f4e 65int set_pid_cgroup(pid_t pid, const char *cgroup);
7d0dc957 66int set_cpu_dma_latency(int32_t latency);
c58a3f8c 67int auto_house_keeping(cpu_set_t *monitored_cpus);
27e348b2
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68
69#define ns_to_usf(x) (((double)x/1000))
70#define ns_to_per(total, part) ((part * 100) / (double)total)