74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
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//===-- xray-graph-diff.h - XRay Graph Diff Renderer ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Generate a DOT file to represent the difference between the function call
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// graph of two differnent traces.
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//
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_GRAPH_DIFF_H
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#define XRAY_GRAPH_DIFF_H
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#include "xray-graph.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/XRay/Graph.h"
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namespace llvm {
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namespace xray {
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// This class creates a graph representing the difference between two
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// xray-graphs And allows you to print it to a dot file, with optional color
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// coding.
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class GraphDiffRenderer {
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static const int N = 2;
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public:
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using StatType = GraphRenderer::StatType;
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using TimeStat = GraphRenderer::TimeStat;
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using GREdgeValueType = GraphRenderer::GraphT::EdgeValueType;
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using GRVertexValueType = GraphRenderer::GraphT::VertexValueType;
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struct EdgeAttribute {
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std::array<const GREdgeValueType *, N> CorrEdgePtr = {};
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};
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struct VertexAttribute {
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std::array<const GRVertexValueType *, N> CorrVertexPtr = {};
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};
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using GraphT = Graph<VertexAttribute, EdgeAttribute, StringRef>;
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class Factory {
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std::array<std::reference_wrapper<const GraphRenderer::GraphT>, N> G;
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public:
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template <typename... Ts> Factory(Ts &... Args) : G{{Args...}} {}
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Expected<GraphDiffRenderer> getGraphDiffRenderer();
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};
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private:
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GraphT G;
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GraphDiffRenderer() = default;
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public:
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void exportGraphAsDOT(raw_ostream &OS, StatType EdgeLabel = StatType::NONE,
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StatType EdgeColor = StatType::NONE,
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StatType VertexLabel = StatType::NONE,
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StatType VertexColor = StatType::NONE,
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int TruncLen = 40);
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const GraphT &getGraph() { return G; }
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};
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} // namespace xray
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} // namespace llvm
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#endif
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