diff options
Diffstat (limited to 'tools/llvm-mca/Views/TimelineView.cpp')
| -rw-r--r-- | tools/llvm-mca/Views/TimelineView.cpp | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/tools/llvm-mca/Views/TimelineView.cpp b/tools/llvm-mca/Views/TimelineView.cpp index fe3f16ba344c..1e7caa297ac6 100644 --- a/tools/llvm-mca/Views/TimelineView.cpp +++ b/tools/llvm-mca/Views/TimelineView.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "Views/TimelineView.h" +#include <numeric> namespace llvm { namespace mca { @@ -132,25 +133,38 @@ void TimelineView::printWaitTimeEntry(formatted_raw_ostream &OS, const WaitTimeEntry &Entry, unsigned SourceIndex, unsigned Executions) const { - OS << SourceIndex << '.'; + bool PrintingTotals = SourceIndex == Source.size(); + unsigned CumulativeExecutions = PrintingTotals ? Timeline.size() : Executions; + + if (!PrintingTotals) + OS << SourceIndex << '.'; + OS.PadToColumn(7); double AverageTime1, AverageTime2, AverageTime3; - AverageTime1 = (double)Entry.CyclesSpentInSchedulerQueue / Executions; - AverageTime2 = (double)Entry.CyclesSpentInSQWhileReady / Executions; - AverageTime3 = (double)Entry.CyclesSpentAfterWBAndBeforeRetire / Executions; + AverageTime1 = + (double)Entry.CyclesSpentInSchedulerQueue / CumulativeExecutions; + AverageTime2 = (double)Entry.CyclesSpentInSQWhileReady / CumulativeExecutions; + AverageTime3 = + (double)Entry.CyclesSpentAfterWBAndBeforeRetire / CumulativeExecutions; OS << Executions; OS.PadToColumn(13); - int BufferSize = UsedBuffer[SourceIndex].second; - tryChangeColor(OS, Entry.CyclesSpentInSchedulerQueue, Executions, BufferSize); + + int BufferSize = PrintingTotals ? 0 : UsedBuffer[SourceIndex].second; + if (!PrintingTotals) + tryChangeColor(OS, Entry.CyclesSpentInSchedulerQueue, CumulativeExecutions, + BufferSize); OS << format("%.1f", floor((AverageTime1 * 10) + 0.5) / 10); OS.PadToColumn(20); - tryChangeColor(OS, Entry.CyclesSpentInSQWhileReady, Executions, BufferSize); + if (!PrintingTotals) + tryChangeColor(OS, Entry.CyclesSpentInSQWhileReady, CumulativeExecutions, + BufferSize); OS << format("%.1f", floor((AverageTime2 * 10) + 0.5) / 10); OS.PadToColumn(27); - tryChangeColor(OS, Entry.CyclesSpentAfterWBAndBeforeRetire, Executions, - STI.getSchedModel().MicroOpBufferSize); + if (!PrintingTotals) + tryChangeColor(OS, Entry.CyclesSpentAfterWBAndBeforeRetire, + CumulativeExecutions, STI.getSchedModel().MicroOpBufferSize); OS << format("%.1f", floor((AverageTime3 * 10) + 0.5) / 10); if (OS.has_colors()) @@ -190,6 +204,24 @@ void TimelineView::printAverageWaitTimes(raw_ostream &OS) const { ++IID; } + + // If the timeline contains more than one instruction, + // let's also print global averages. + if (Source.size() != 1) { + WaitTimeEntry TotalWaitTime = std::accumulate( + WaitTime.begin(), WaitTime.end(), WaitTimeEntry{0, 0, 0}, + [](const WaitTimeEntry &A, const WaitTimeEntry &B) { + return WaitTimeEntry{ + A.CyclesSpentInSchedulerQueue + B.CyclesSpentInSchedulerQueue, + A.CyclesSpentInSQWhileReady + B.CyclesSpentInSQWhileReady, + A.CyclesSpentAfterWBAndBeforeRetire + + B.CyclesSpentAfterWBAndBeforeRetire}; + }); + printWaitTimeEntry(FOS, TotalWaitTime, IID, Executions); + FOS << " " + << "<total>" << '\n'; + InstrStream.flush(); + } } void TimelineView::printTimelineViewEntry(formatted_raw_ostream &OS, |