1*0b57cec5SDimitry Andric //===-- xray-graph-diff.h - XRay Graph Diff Renderer ------------*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // Generate a DOT file to represent the difference between the function call 10*0b57cec5SDimitry Andric // graph of two differnent traces. 11*0b57cec5SDimitry Andric // 12*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 13*0b57cec5SDimitry Andric 14*0b57cec5SDimitry Andric #ifndef XRAY_GRAPH_DIFF_H 15*0b57cec5SDimitry Andric #define XRAY_GRAPH_DIFF_H 16*0b57cec5SDimitry Andric 17*0b57cec5SDimitry Andric #include "xray-graph.h" 18*0b57cec5SDimitry Andric #include "llvm/XRay/Graph.h" 19*0b57cec5SDimitry Andric 20*0b57cec5SDimitry Andric namespace llvm { 21*0b57cec5SDimitry Andric namespace xray { 22*0b57cec5SDimitry Andric 23*0b57cec5SDimitry Andric // This class creates a graph representing the difference between two 24*0b57cec5SDimitry Andric // xray-graphs And allows you to print it to a dot file, with optional color 25*0b57cec5SDimitry Andric // coding. 26*0b57cec5SDimitry Andric class GraphDiffRenderer { 27*0b57cec5SDimitry Andric static const int N = 2; 28*0b57cec5SDimitry Andric 29*0b57cec5SDimitry Andric public: 30*0b57cec5SDimitry Andric using StatType = GraphRenderer::StatType; 31*0b57cec5SDimitry Andric using TimeStat = GraphRenderer::TimeStat; 32*0b57cec5SDimitry Andric 33*0b57cec5SDimitry Andric using GREdgeValueType = GraphRenderer::GraphT::EdgeValueType; 34*0b57cec5SDimitry Andric using GRVertexValueType = GraphRenderer::GraphT::VertexValueType; 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric struct EdgeAttribute { 37*0b57cec5SDimitry Andric std::array<const GREdgeValueType *, N> CorrEdgePtr = {}; 38*0b57cec5SDimitry Andric }; 39*0b57cec5SDimitry Andric 40*0b57cec5SDimitry Andric struct VertexAttribute { 41*0b57cec5SDimitry Andric std::array<const GRVertexValueType *, N> CorrVertexPtr = {}; 42*0b57cec5SDimitry Andric }; 43*0b57cec5SDimitry Andric 44*0b57cec5SDimitry Andric using GraphT = Graph<VertexAttribute, EdgeAttribute, StringRef>; 45*0b57cec5SDimitry Andric 46*0b57cec5SDimitry Andric class Factory { 47*0b57cec5SDimitry Andric std::array<std::reference_wrapper<const GraphRenderer::GraphT>, N> G; 48*0b57cec5SDimitry Andric 49*0b57cec5SDimitry Andric public: Factory(Ts &...Args)50*0b57cec5SDimitry Andric template <typename... Ts> Factory(Ts &... Args) : G{{Args...}} {} 51*0b57cec5SDimitry Andric 52*0b57cec5SDimitry Andric Expected<GraphDiffRenderer> getGraphDiffRenderer(); 53*0b57cec5SDimitry Andric }; 54*0b57cec5SDimitry Andric 55*0b57cec5SDimitry Andric private: 56*0b57cec5SDimitry Andric GraphT G; 57*0b57cec5SDimitry Andric 58*0b57cec5SDimitry Andric GraphDiffRenderer() = default; 59*0b57cec5SDimitry Andric 60*0b57cec5SDimitry Andric public: 61*0b57cec5SDimitry Andric void exportGraphAsDOT(raw_ostream &OS, StatType EdgeLabel = StatType::NONE, 62*0b57cec5SDimitry Andric StatType EdgeColor = StatType::NONE, 63*0b57cec5SDimitry Andric StatType VertexLabel = StatType::NONE, 64*0b57cec5SDimitry Andric StatType VertexColor = StatType::NONE, 65*0b57cec5SDimitry Andric int TruncLen = 40); 66*0b57cec5SDimitry Andric getGraph()67*0b57cec5SDimitry Andric const GraphT &getGraph() { return G; } 68*0b57cec5SDimitry Andric }; 69*0b57cec5SDimitry Andric } // namespace xray 70*0b57cec5SDimitry Andric } // namespace llvm 71*0b57cec5SDimitry Andric 72*0b57cec5SDimitry Andric #endif 73