512a0200de
All the kernel header files now use pargma once rather than the ifndef, as the pre-processed C files do not change while header files are protected with pargma once. This will also solve any naming issues caused by ifndef.
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Copyright 2016, General Dynamics C4 Systems
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*/
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#pragma once
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#include <config.h>
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#include <arch/benchmark.h>
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#include <sel4/benchmark_utilisation_types.h>
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#include <sel4/arch/constants.h>
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#include <model/statedata.h>
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#ifdef CONFIG_BENCHMARK_TRACK_UTILISATION
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extern bool_t benchmark_log_utilisation_enabled;
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extern timestamp_t ksEnter;
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extern timestamp_t benchmark_start_time;
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extern timestamp_t benchmark_end_time;
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void benchmark_track_utilisation_dump(void);
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void benchmark_track_reset_utilisation(void);
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/* Calculate and add the utilisation time from when the heir started to run i.e. scheduled
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* and until it's being kicked off
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*/
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static inline void benchmark_utilisation_switch(tcb_t *heir, tcb_t *next)
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{
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/* Add heir thread utilisation */
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if (likely(benchmark_log_utilisation_enabled)) {
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/* Check if an overflow occurred while we have been in the kernel */
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if (likely(ksEnter > heir->benchmark.schedule_start_time)) {
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heir->benchmark.utilisation += (ksEnter - heir->benchmark.schedule_start_time);
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} else {
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#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
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heir->benchmark.utilisation += (UINT32_MAX - heir->benchmark.schedule_start_time) + ksEnter;
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armv_handleOverflowIRQ();
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#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
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}
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/* Reset next thread utilisation */
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next->benchmark.schedule_start_time = ksEnter;
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}
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}
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/* Add the time between the last thread got scheduled and when to stop
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* benchmarks
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*/
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static inline void benchmark_utilisation_finalise(void)
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{
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/* Add the time between when NODE_STATE(ksCurThread), and benchmark finalise */
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benchmark_utilisation_switch(NODE_STATE(ksCurThread), NODE_STATE(ksIdleThread));
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benchmark_end_time = ksEnter;
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benchmark_log_utilisation_enabled = false;
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}
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#endif /* CONFIG_BENCHMARK_TRACK_UTILISATION */
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