f6e5e218dc
These files can be included normally using libsel4 include paths. This removes situations where the same file is available under different include paths due to symlinking into different directory structures.
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright 2016, General Dynamics C4 Systems
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(GD_GPL)
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*/
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#ifndef BENCHMARK_UTILISATION_H
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#define BENCHMARK_UTILISATION_H
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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_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
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#include <armv/benchmark_irqHandler.h>
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#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
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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 += (0xFFFFFFFFU - 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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static inline void benchmark_utilisation_kentry_stamp(void)
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{
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ksEnter = timestamp();
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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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#endif /* BENCHMARK_UTILISATION_H */
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