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.
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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* Copyright 2014, 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_H
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#define BENCHMARK_H
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#include <arch/benchmark.h>
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#include <machine/io.h>
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#include <sel4/arch/constants.h>
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#include <arch/machine/hardware.h>
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#include <sel4/benchmark_tracepoints_types.h>
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#include <mode/hardware.h>
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#if CONFIG_MAX_NUM_TRACE_POINTS > 0
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#define TRACE_POINT_START(x) trace_point_start(x)
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#define TRACE_POINT_STOP(x) trace_point_stop(x)
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#define MAX_LOG_SIZE (seL4_LogBufferSize / sizeof(benchmark_tracepoint_log_entry_t))
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extern timestamp_t ksEntries[CONFIG_MAX_NUM_TRACE_POINTS];
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extern bool_t ksStarted[CONFIG_MAX_NUM_TRACE_POINTS];
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extern timestamp_t ksExit;
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extern seL4_Word ksLogIndex;
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extern seL4_Word ksLogIndexFinalized;
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extern paddr_t ksUserLogBuffer;
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static inline void trace_point_start(word_t id)
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{
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ksEntries[id] = timestamp();
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ksStarted[id] = true;
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}
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static inline void trace_point_stop(word_t id)
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{
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benchmark_tracepoint_log_entry_t *ksLog = (benchmark_tracepoint_log_entry_t *) KS_LOG_PPTR;
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ksExit = timestamp();
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if (likely(ksUserLogBuffer != 0)) {
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if (likely(ksStarted[id])) {
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ksStarted[id] = false;
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if (likely(ksLogIndex < MAX_LOG_SIZE)) {
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ksLog[ksLogIndex] = (benchmark_tracepoint_log_entry_t) {
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id, ksExit - ksEntries[id]
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};
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}
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/* increment the log index even if we have exceeded the log size
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* this is so we can tell if we need a bigger log */
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ksLogIndex++;
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}
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/* If this fails integer overflow has occurred. */
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assert(ksLogIndex > 0);
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}
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}
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#else
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#define TRACE_POINT_START(x)
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#define TRACE_POINT_STOP(x)
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#endif /* CONFIG_MAX_NUM_TRACE_POINTS > 0 */
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#endif /* BENCHMARK_H */
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