1 // Copyright (c) 2017 Google Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef TOOLS_STATS_STATS_ANALYZER_H_ 16 #define TOOLS_STATS_STATS_ANALYZER_H_ 17 18 #include <string> 19 #include <unordered_map> 20 21 #include "tools/stats/spirv_stats.h" 22 23 namespace spvtools { 24 namespace stats { 25 26 class StatsAnalyzer { 27 public: 28 explicit StatsAnalyzer(const SpirvStats& stats); 29 30 // Writes respective histograms to |out|. 31 void WriteVersion(std::ostream& out); 32 void WriteGenerator(std::ostream& out); 33 void WriteCapability(std::ostream& out); 34 void WriteExtension(std::ostream& out); 35 void WriteOpcode(std::ostream& out); 36 void WriteConstantLiterals(std::ostream& out); 37 38 // Writes first order Markov analysis to |out|. 39 // stats_.opcode_markov_hist needs to contain raw data for at least one 40 // level. 41 void WriteOpcodeMarkov(std::ostream& out); 42 43 private: 44 const SpirvStats& stats_; 45 46 uint32_t num_modules_; 47 48 std::unordered_map<uint32_t, double> version_freq_; 49 std::unordered_map<uint32_t, double> generator_freq_; 50 std::unordered_map<uint32_t, double> capability_freq_; 51 std::unordered_map<std::string, double> extension_freq_; 52 std::unordered_map<uint32_t, double> opcode_freq_; 53 }; 54 55 } // namespace stats 56 } // namespace spvtools 57 58 #endif // TOOLS_STATS_STATS_ANALYZER_H_ 59