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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /tools/tracing/rtla/src/utils.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/tracing/rtla/src/utils.h')
-rw-r--r-- | tools/tracing/rtla/src/utils.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/utils.h b/tools/tracing/rtla/src/utils.h new file mode 100644 index 0000000000..04ed1e6504 --- /dev/null +++ b/tools/tracing/rtla/src/utils.h @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <stdint.h> +#include <time.h> +#include <sched.h> + +/* + * '18446744073709551615\0' + */ +#define BUFF_U64_STR_SIZE 24 +#define MAX_PATH 1024 + +#define container_of(ptr, type, member)({ \ + const typeof(((type *)0)->member) *__mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)) ; }) + +extern int config_debug; +void debug_msg(const char *fmt, ...); +void err_msg(const char *fmt, ...); + +long parse_seconds_duration(char *val); +void get_duration(time_t start_time, char *output, int output_size); + +int parse_cpu_list(char *cpu_list, char **monitored_cpus); +long long get_llong_from_str(char *start); + +static inline void +update_min(unsigned long long *a, unsigned long long *b) +{ + if (*a > *b) + *a = *b; +} + +static inline void +update_max(unsigned long long *a, unsigned long long *b) +{ + if (*a < *b) + *a = *b; +} + +static inline void +update_sum(unsigned long long *a, unsigned long long *b) +{ + *a += *b; +} + +struct 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; +}; + +int parse_prio(char *arg, struct sched_attr *sched_param); +int parse_cpu_set(char *cpu_list, cpu_set_t *set); +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); +int auto_house_keeping(cpu_set_t *monitored_cpus); + +#define ns_to_usf(x) (((double)x/1000)) +#define ns_to_per(total, part) ((part * 100) / (double)total) |