mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-20 00:51:42 +00:00
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2020 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "frc/Tracer.h"
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#include <wpi/Format.h>
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#include <wpi/raw_ostream.h>
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using namespace frc;
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Tracer::Tracer() { ResetTimer(); }
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void Tracer::ResetTimer() { m_startTime = hal::fpga_clock::now(); }
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void Tracer::ClearEpochs() {
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ResetTimer();
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m_epochs.clear();
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}
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void Tracer::AddEpoch(wpi::StringRef epochName) {
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auto currentTime = hal::fpga_clock::now();
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m_epochs[epochName] = currentTime - m_startTime;
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m_startTime = currentTime;
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}
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void Tracer::PrintEpochs() {
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using std::chrono::duration_cast;
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using std::chrono::microseconds;
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auto now = hal::fpga_clock::now();
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if (now - m_lastEpochsPrintTime > kMinPrintPeriod) {
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m_lastEpochsPrintTime = now;
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for (const auto& epoch : m_epochs) {
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wpi::outs() << '\t' << epoch.getKey() << ": "
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<< wpi::format(
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"%.6f",
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duration_cast<microseconds>(epoch.getValue()).count() /
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1.0e6)
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<< "s\n";
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}
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}
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}
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