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schedstatistics.h
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1/*
2 * SPDX-FileCopyrightText: 2014 Freie Universität Berlin
3 * SPDX-FileCopyrightText: 2019 Inria
4 * SPDX-License-Identifier: LGPL-2.1-only
5 */
6
7#pragma once
8
27
28#include <stdint.h>
29
30#ifdef __cplusplus
31 extern "C" {
32#endif
33
37typedef struct {
38 uint32_t laststart;
40 unsigned int schedules;
41 uint64_t runtime_us;
42} schedstat_t;
43
47extern schedstat_t sched_pidlist[KERNEL_PID_LAST + 1];
48
53void init_schedstatistics(void);
54
55#ifdef __cplusplus
56}
57#endif
58
KERNEL_PID_LAST
#define KERNEL_PID_LAST
The last valid PID (inclusive).
Definition sched.h:115
sched_pidlist
schedstat_t sched_pidlist[KERNEL_PID_LAST+1]
Thread statistics table.
init_schedstatistics
void init_schedstatistics(void)
Registers the sched statistics callback and sets laststart for caller thread.
schedstat_t
Scheduler statistics.
Definition schedstatistics.h:37
schedstat_t::schedules
unsigned int schedules
How often the thread was scheduled to run.
Definition schedstatistics.h:40
schedstat_t::runtime_us
uint64_t runtime_us
The total runtime of this thread in microseconds.
Definition schedstatistics.h:41
schedstat_t::laststart
uint32_t laststart
Time stamp of the last time this thread was scheduled to run.
Definition schedstatistics.h:38