1//===--------------------- PipelinePrinter.h --------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8/// \file
9///
10/// This file implements class PipelinePrinter.
11///
12/// PipelinePrinter allows the customization of the performance report.
13///
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_TOOLS_LLVM_MCA_PIPELINEPRINTER_H
17#define LLVM_TOOLS_LLVM_MCA_PIPELINEPRINTER_H
18
19#include "llvm/ADT/SmallVector.h"
20#include "llvm/MC/MCSubtargetInfo.h"
21#include "llvm/MCA/Context.h"
22#include "llvm/MCA/Pipeline.h"
23#include "llvm/MCA/View.h"
24#include "llvm/Support/raw_ostream.h"
25
26#define DEBUG_TYPE "llvm-mca"
27
28namespace llvm {
29namespace mca {
30
31class CodeRegion;
32
33/// A printer class that knows how to collects statistics on the
34/// code analyzed by the llvm-mca tool.
35///
36/// This class knows how to print out the analysis information collected
37/// during the execution of the code. Internally, it delegates to other
38/// classes the task of printing out timeline information as well as
39/// resource pressure.
40class PipelinePrinter {
41 Pipeline &P;
42 const CodeRegion &Region;
43 unsigned RegionIdx;
44 const MCSubtargetInfo &STI;
45 const PipelineOptions &PO;
46 llvm::SmallVector<std::unique_ptr<View>, 8> Views;
47
48 void printRegionHeader(llvm::raw_ostream &OS) const;
49 json::Object getJSONReportRegion() const;
50 json::Object getJSONTargetInfo() const;
51 json::Object getJSONSimulationParameters() const;
52
53public:
54 PipelinePrinter(Pipeline &Pipe, const CodeRegion &R, unsigned Idx,
55 const MCSubtargetInfo &STI, const PipelineOptions &PO)
56 : P(Pipe), Region(R), RegionIdx(Idx), STI(STI), PO(PO) {}
57
58 void addView(std::unique_ptr<View> V) {
59 P.addEventListener(Listener: V.get());
60 Views.emplace_back(Args: std::move(V));
61 }
62
63 void printReport(llvm::raw_ostream &OS) const;
64 void printReport(json::Object &JO) const;
65};
66} // namespace mca
67} // namespace llvm
68
69#endif // LLVM_TOOLS_LLVM_MCA_PIPELINEPRINTER_H
70

source code of llvm/tools/llvm-mca/PipelinePrinter.h