offline_profiling_info.cc revision 9275af6ec0d71d1a13a97a1d292806b73f755717
131f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle/* 231f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * Copyright (C) 2015 The Android Open Source Project 331f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * 431f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * Licensed under the Apache License, Version 2.0 (the "License"); 531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * you may not use this file except in compliance with the License. 631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * You may obtain a copy of the License at 731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * 831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * http://www.apache.org/licenses/LICENSE-2.0 931f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * 1031f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * Unless required by applicable law or agreed to in writing, software 1131f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * distributed under the License is distributed on an "AS IS" BASIS, 1231f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * See the License for the specific language governing permissions and 1431f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * limitations under the License. 1531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle */ 1631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 1731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "offline_profiling_info.h" 1831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 19b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle#include "errno.h" 20b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle#include <limits.h> 214d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle#include <vector> 2231f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include <sys/file.h> 2331f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include <sys/stat.h> 2431f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include <sys/uio.h> 2531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 2631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "art_method-inl.h" 2731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "base/mutex.h" 28877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle#include "base/scoped_flock.h" 2966f55237679db90cb0a0a265043a787932b466f8Calin Juravle#include "base/stl_util.h" 30dabdc0fe183d4684f3cf4d70cb09d318cff81b42Mathieu Chartier#include "base/systrace.h" 31877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle#include "base/unix_file/fd_file.h" 3231f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "jit/profiling_info.h" 33877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle#include "os.h" 3431f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "safe_map.h" 3531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 3631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravlenamespace art { 3731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 38b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravleconst uint8_t ProfileCompilationInfo::kProfileMagic[] = { 'p', 'r', 'o', '\0' }; 39b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravleconst uint8_t ProfileCompilationInfo::kProfileVersion[] = { '0', '0', '1', '\0' }; 40b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 41b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic constexpr uint16_t kMaxDexFileKeyLength = PATH_MAX; 42b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 4334900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle// Transform the actual dex location into relative paths. 4434900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle// Note: this is OK because we don't store profiles of different apps into the same file. 4534900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle// Apps with split apks don't cause trouble because each split has a different name and will not 4634900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle// collide with other entries. 4731708b736a2d75a9eb21f51038a7703f84f95f31Calin Juravlestd::string ProfileCompilationInfo::GetProfileDexFileKey(const std::string& dex_location) { 4834900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle DCHECK(!dex_location.empty()); 4934900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle size_t last_sep_index = dex_location.find_last_of('/'); 5034900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle if (last_sep_index == std::string::npos) { 5134900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle return dex_location; 5234900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle } else { 5331708b736a2d75a9eb21f51038a7703f84f95f31Calin Juravle DCHECK(last_sep_index < dex_location.size()); 5431708b736a2d75a9eb21f51038a7703f84f95f31Calin Juravle return dex_location.substr(last_sep_index + 1); 5534900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle } 5634900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle} 5734900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle 5885f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravlebool ProfileCompilationInfo::AddMethodsAndClasses( 59e2d066d0337b7c81d47e4806e6025b70d83fcd56Calin Juravle const std::vector<MethodReference>& methods, 6085f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle const std::set<DexCacheResolvedClasses>& resolved_classes) { 61e2d066d0337b7c81d47e4806e6025b70d83fcd56Calin Juravle for (const MethodReference& method : methods) { 62e2d066d0337b7c81d47e4806e6025b70d83fcd56Calin Juravle if (!AddMethodIndex(GetProfileDexFileKey(method.dex_file->GetLocation()), 63e2d066d0337b7c81d47e4806e6025b70d83fcd56Calin Juravle method.dex_file->GetLocationChecksum(), 64e2d066d0337b7c81d47e4806e6025b70d83fcd56Calin Juravle method.dex_method_index)) { 6585f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle return false; 66c19c1c2e1def1f4f5ab5fd9e71b1a6f76d42988fCalin Juravle } 6731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle } 6885f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle for (const DexCacheResolvedClasses& dex_cache : resolved_classes) { 6985f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle if (!AddResolvedClasses(dex_cache)) { 7085f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle return false; 7185f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle } 7285f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle } 7385f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle return true; 7485f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle} 7531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 76fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravlebool ProfileCompilationInfo::MergeAndSave(const std::string& filename, 77fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle uint64_t* bytes_written, 78fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle bool force) { 79dabdc0fe183d4684f3cf4d70cb09d318cff81b42Mathieu Chartier ScopedTrace trace(__PRETTY_FUNCTION__); 80877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle ScopedFlock flock; 81877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle std::string error; 82877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle if (!flock.Init(filename.c_str(), O_RDWR | O_NOFOLLOW | O_CLOEXEC, /* block */ false, &error)) { 83877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle LOG(WARNING) << "Couldn't lock the profile file " << filename << ": " << error; 84877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle return false; 85877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle } 86877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle 87877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle int fd = flock.GetFile()->Fd(); 88877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle 8985f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle // Load the file but keep a copy around to be able to infer if the content has changed. 9085f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle ProfileCompilationInfo fileInfo; 91fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle ProfileLoadSatus status = fileInfo.LoadInternal(fd, &error); 92fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if (status == kProfileLoadSuccess) { 93fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // Merge the content of file into the current object. 94fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if (MergeWith(fileInfo)) { 95fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // If after the merge we have the same data as what is the file there's no point 96fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // in actually doing the write. The file will be exactly the same as before. 97fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if (Equals(fileInfo)) { 98fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if (bytes_written != nullptr) { 99fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle *bytes_written = 0; 100fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } 101fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle return true; 102fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } 103fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } else { 104fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle LOG(WARNING) << "Could not merge previous profile data from file " << filename; 105fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if (!force) { 106fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle return false; 107fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } 1088913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 109fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } else if (force && 110fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle ((status == kProfileLoadVersionMismatch) || (status == kProfileLoadBadData))) { 111fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // Log a warning but don't return false. We will clear the profile anyway. 112fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle LOG(WARNING) << "Clearing bad or obsolete profile data from file " 113fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle << filename << ": " << error; 114fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } else { 115fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle LOG(WARNING) << "Could not load profile data from file " << filename << ": " << error; 116fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle return false; 11731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle } 11831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 119fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // We need to clear the data because we don't support appending to the profiles yet. 120877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle if (!flock.GetFile()->ClearContent()) { 121877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle PLOG(WARNING) << "Could not clear profile file: " << filename; 122877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle return false; 123877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle } 124877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle 12531f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle // This doesn't need locking because we are trying to lock the file for exclusive 12631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle // access and fail immediately if we can't. 12785f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle bool result = Save(fd); 128998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle if (result) { 1294d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle VLOG(profiler) << "Successfully saved profile info to " << filename 1304d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle << " Size: " << GetFileSizeBytes(filename); 131c19c1c2e1def1f4f5ab5fd9e71b1a6f76d42988fCalin Juravle if (bytes_written != nullptr) { 132c19c1c2e1def1f4f5ab5fd9e71b1a6f76d42988fCalin Juravle *bytes_written = GetFileSizeBytes(filename); 133c19c1c2e1def1f4f5ab5fd9e71b1a6f76d42988fCalin Juravle } 134998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } else { 135998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle VLOG(profiler) << "Failed to save profile info to " << filename; 13631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle } 137998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return result; 13831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle} 13931f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 140b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Returns true if all the bytes were successfully written to the file descriptor. 141b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic bool WriteBuffer(int fd, const uint8_t* buffer, size_t byte_count) { 142b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle while (byte_count > 0) { 143b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int bytes_written = TEMP_FAILURE_RETRY(write(fd, buffer, byte_count)); 144b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (bytes_written == -1) { 145877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle return false; 146877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle } 147b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle byte_count -= bytes_written; // Reduce the number of remaining bytes. 148b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer += bytes_written; // Move the buffer forward. 149b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 150877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle return true; 15131f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle} 15231f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 153b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Add the string bytes to the buffer. 154b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic void AddStringToBuffer(std::vector<uint8_t>* buffer, const std::string& value) { 155b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer->insert(buffer->end(), value.begin(), value.end()); 156b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 157b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 158b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Insert each byte, from low to high into the buffer. 159b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravletemplate <typename T> 160b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic void AddUintToBuffer(std::vector<uint8_t>* buffer, T value) { 161b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (size_t i = 0; i < sizeof(T); i++) { 162b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer->push_back((value >> (i * kBitsPerByte)) & 0xff); 163b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 164b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 165b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 166b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic constexpr size_t kLineHeaderSize = 167b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 3 * sizeof(uint16_t) + // method_set.size + class_set.size + dex_location.size 168b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle sizeof(uint32_t); // checksum 16931f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 17031f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle/** 17131f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle * Serialization format: 172b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * magic,version,number_of_lines 173b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * dex_location1,number_of_methods1,number_of_classes1,dex_location_checksum1, \ 174b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * method_id11,method_id12...,class_id1,class_id2... 175b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * dex_location2,number_of_methods2,number_of_classes2,dex_location_checksum2, \ 176b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * method_id21,method_id22...,,class_id1,class_id2... 177b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle * ..... 17831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle **/ 179024160850fbbf28368eae951beb4c72e2ce8fce6Calin Juravlebool ProfileCompilationInfo::Save(int fd) { 180dabdc0fe183d4684f3cf4d70cb09d318cff81b42Mathieu Chartier ScopedTrace trace(__PRETTY_FUNCTION__); 181024160850fbbf28368eae951beb4c72e2ce8fce6Calin Juravle DCHECK_GE(fd, 0); 182b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 183b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Cache at most 5KB before writing. 184b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle static constexpr size_t kMaxSizeToKeepBeforeWriting = 5 * KB; 185b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Use a vector wrapper to avoid keeping track of offsets when we add elements. 186b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle std::vector<uint8_t> buffer; 187b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle WriteBuffer(fd, kProfileMagic, sizeof(kProfileMagic)); 188b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle WriteBuffer(fd, kProfileVersion, sizeof(kProfileVersion)); 189b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, static_cast<uint16_t>(info_.size())); 190b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 191998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle for (const auto& it : info_) { 192b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (buffer.size() > kMaxSizeToKeepBeforeWriting) { 193b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!WriteBuffer(fd, buffer.data(), buffer.size())) { 194b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 195b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 196b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer.clear(); 197b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 198998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const std::string& dex_location = it.first; 199998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const DexFileData& dex_data = it.second; 2008913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier if (dex_data.method_set.empty() && dex_data.class_set.empty()) { 2018913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier continue; 2028913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 203998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle 204b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (dex_location.size() >= kMaxDexFileKeyLength) { 205b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle LOG(WARNING) << "DexFileKey exceeds allocated limit"; 206b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 2078913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 20831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 209b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Make sure that the buffer has enough capacity to avoid repeated resizings 210b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // while we add data. 211b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle size_t required_capacity = buffer.size() + 212b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle kLineHeaderSize + 213b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle dex_location.size() + 214b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle sizeof(uint16_t) * (dex_data.class_set.size() + dex_data.method_set.size()); 215226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 216b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer.reserve(required_capacity); 217b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 218b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle DCHECK_LE(dex_location.size(), std::numeric_limits<uint16_t>::max()); 219b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle DCHECK_LE(dex_data.method_set.size(), std::numeric_limits<uint16_t>::max()); 220b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle DCHECK_LE(dex_data.class_set.size(), std::numeric_limits<uint16_t>::max()); 221b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, static_cast<uint16_t>(dex_location.size())); 222b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, static_cast<uint16_t>(dex_data.method_set.size())); 223b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, static_cast<uint16_t>(dex_data.class_set.size())); 224b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, dex_data.checksum); // uint32_t 225b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 226b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddStringToBuffer(&buffer, dex_location); 227b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 228b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (auto method_it : dex_data.method_set) { 229b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, method_it); 230226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 231b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (auto class_id : dex_data.class_set) { 232b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle AddUintToBuffer(&buffer, class_id); 233b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 234b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle DCHECK_EQ(required_capacity, buffer.size()) 235b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle << "Failed to add the expected number of bytes in the buffer"; 236226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 237b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 238b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return WriteBuffer(fd, buffer.data(), buffer.size()); 239226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 240226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 2418913fc1a27df8cf3b37fd99e94d87f290591328eMathieu ChartierProfileCompilationInfo::DexFileData* ProfileCompilationInfo::GetOrAddDexFileData( 2428913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier const std::string& dex_location, 2438913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier uint32_t checksum) { 244998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle auto info_it = info_.find(dex_location); 245998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle if (info_it == info_.end()) { 246998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle info_it = info_.Put(dex_location, DexFileData(checksum)); 247998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 248998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle if (info_it->second.checksum != checksum) { 249998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle LOG(WARNING) << "Checksum mismatch for dex " << dex_location; 2508913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return nullptr; 2518913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 2528913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return &info_it->second; 2538913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier} 2548913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier 2558913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartierbool ProfileCompilationInfo::AddResolvedClasses(const DexCacheResolvedClasses& classes) { 2568913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier const std::string dex_location = GetProfileDexFileKey(classes.GetDexLocation()); 2578913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier const uint32_t checksum = classes.GetLocationChecksum(); 2588913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier DexFileData* const data = GetOrAddDexFileData(dex_location, checksum); 2598913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier if (data == nullptr) { 260998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return false; 261998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 2628913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier data->class_set.insert(classes.GetClasses().begin(), classes.GetClasses().end()); 2638913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return true; 2648913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier} 2658913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier 2668913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartierbool ProfileCompilationInfo::AddMethodIndex(const std::string& dex_location, 2678913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier uint32_t checksum, 2688913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier uint16_t method_idx) { 2698913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier DexFileData* const data = GetOrAddDexFileData(dex_location, checksum); 2708913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier if (data == nullptr) { 2718913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return false; 2728913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 2738913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier data->method_set.insert(method_idx); 2748913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return true; 2758913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier} 2768913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier 2778913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartierbool ProfileCompilationInfo::AddClassIndex(const std::string& dex_location, 2788913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier uint32_t checksum, 2798913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier uint16_t class_idx) { 2808913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier DexFileData* const data = GetOrAddDexFileData(dex_location, checksum); 2818913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier if (data == nullptr) { 2828913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return false; 2838913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 2848913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier data->class_set.insert(class_idx); 285998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return true; 286998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle} 287998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle 288b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlebool ProfileCompilationInfo::ProcessLine(SafeBuffer& line_buffer, 289b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t method_set_size, 290b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t class_set_size, 291b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint32_t checksum, 292b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle const std::string& dex_location) { 293b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (uint16_t i = 0; i < method_set_size; i++) { 294b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t method_idx = line_buffer.ReadUintAndAdvance<uint16_t>(); 295b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!AddMethodIndex(dex_location, checksum, method_idx)) { 296b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 297b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 298b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 299b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 300b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (uint16_t i = 0; i < class_set_size; i++) { 301b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t class_def_idx = line_buffer.ReadUintAndAdvance<uint16_t>(); 302b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!AddClassIndex(dex_location, checksum, class_def_idx)) { 303b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 304b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 305226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 306b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return true; 307b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 308b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 309b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Tests for EOF by trying to read 1 byte from the descriptor. 310b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Returns: 311b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// 0 if the descriptor is at the EOF, 312b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// -1 if there was an IO error 313b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// 1 if the descriptor has more content to read 314b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlestatic int testEOF(int fd) { 315b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint8_t buffer[1]; 316b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return TEMP_FAILURE_RETRY(read(fd, buffer, 1)); 317b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 318226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 319b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle// Reads an uint value previously written with AddUintToBuffer. 320b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravletemplate <typename T> 321b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleT ProfileCompilationInfo::SafeBuffer::ReadUintAndAdvance() { 322b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle static_assert(std::is_unsigned<T>::value, "Type is not unsigned"); 323b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle CHECK_LE(ptr_current_ + sizeof(T), ptr_end_); 324b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle T value = 0; 325b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle for (size_t i = 0; i < sizeof(T); i++) { 326b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle value += ptr_current_[i] << (i * kBitsPerByte); 327b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 328b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ptr_current_ += sizeof(T); 329b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return value; 330b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 331b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 332b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravlebool ProfileCompilationInfo::SafeBuffer::CompareAndAdvance(const uint8_t* data, size_t data_size) { 333b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (ptr_current_ + data_size > ptr_end_) { 334226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle return false; 335226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 336b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (memcmp(ptr_current_, data, data_size) == 0) { 337b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ptr_current_ += data_size; 338b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return true; 339b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 340b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 341b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 342226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 343b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleProfileCompilationInfo::ProfileLoadSatus ProfileCompilationInfo::SafeBuffer::FillFromFd( 344b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int fd, 345b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle const std::string& source, 346b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/std::string* error) { 347b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle size_t byte_count = ptr_end_ - ptr_current_; 348b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint8_t* buffer = ptr_current_; 349b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle while (byte_count > 0) { 350b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, byte_count)); 351b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (bytes_read == 0) { 352b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error += "Profile EOF reached prematurely for " + source; 353b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadBadData; 354b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } else if (bytes_read < 0) { 355b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error += "Profile IO error for " + source + strerror(errno); 356b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadIOError; 357877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle } 358b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle byte_count -= bytes_read; 359b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle buffer += bytes_read; 360226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 361b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 362226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 363226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 364b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleProfileCompilationInfo::ProfileLoadSatus ProfileCompilationInfo::ReadProfileHeader( 365b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int fd, 366b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/uint16_t* number_of_lines, 367b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/std::string* error) { 368b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Read magic and version 369b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle const size_t kMagicVersionSize = 370b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle sizeof(kProfileMagic) + 371b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle sizeof(kProfileVersion) + 372b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle sizeof(uint16_t); // number of lines 373b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 374b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle SafeBuffer safe_buffer(kMagicVersionSize); 375b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 376b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLoadSatus status = safe_buffer.FillFromFd(fd, "ReadProfileHeader", error); 377b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 378b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 379b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 380b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 381b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!safe_buffer.CompareAndAdvance(kProfileMagic, sizeof(kProfileMagic))) { 382b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error = "Profile missing magic"; 383b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadVersionMismatch; 384b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 385b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!safe_buffer.CompareAndAdvance(kProfileVersion, sizeof(kProfileVersion))) { 386b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error = "Profile version mismatch"; 387b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadVersionMismatch; 388b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 389b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *number_of_lines = safe_buffer.ReadUintAndAdvance<uint16_t>(); 390b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 391b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 392b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 393b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleProfileCompilationInfo::ProfileLoadSatus ProfileCompilationInfo::ReadProfileLineHeader( 394b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int fd, 395b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/ProfileLineHeader* line_header, 396b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/std::string* error) { 397b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle SafeBuffer header_buffer(kLineHeaderSize); 398b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLoadSatus status = header_buffer.FillFromFd(fd, "ReadProfileHeader", error); 399b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 400b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 401b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 402b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 403b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t dex_location_size = header_buffer.ReadUintAndAdvance<uint16_t>(); 404b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header->method_set_size = header_buffer.ReadUintAndAdvance<uint16_t>(); 405b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header->class_set_size = header_buffer.ReadUintAndAdvance<uint16_t>(); 406b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header->checksum = header_buffer.ReadUintAndAdvance<uint32_t>(); 407b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 408b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (dex_location_size == 0 || dex_location_size > kMaxDexFileKeyLength) { 409b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error = "DexFileKey has an invalid size: " + std::to_string(dex_location_size); 410b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadBadData; 411b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 412b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 413b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle SafeBuffer location_buffer(dex_location_size); 414b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle status = location_buffer.FillFromFd(fd, "ReadProfileHeaderDexLocation", error); 415b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 416b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 417b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 418b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header->dex_location.assign( 419b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle reinterpret_cast<char*>(location_buffer.Get()), dex_location_size); 420b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 421b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 422b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 423b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleProfileCompilationInfo::ProfileLoadSatus ProfileCompilationInfo::ReadProfileLine( 424b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int fd, 425b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle const ProfileLineHeader& line_header, 426b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle /*out*/std::string* error) { 427b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Make sure that we don't try to read everything in memory (in case the profile if full). 428b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Split readings in chunks of at most 10kb. 429b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle static constexpr uint16_t kMaxNumberOfEntriesToRead = 5120; 430b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t methods_left_to_read = line_header.method_set_size; 431b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t classes_left_to_read = line_header.class_set_size; 432b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 433b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle while ((methods_left_to_read > 0) || (classes_left_to_read > 0)) { 434b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t methods_to_read = std::min(kMaxNumberOfEntriesToRead, methods_left_to_read); 435b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t max_classes_to_read = kMaxNumberOfEntriesToRead - methods_to_read; 436b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t classes_to_read = std::min(max_classes_to_read, classes_left_to_read); 437b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 438b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle size_t line_size = sizeof(uint16_t) * (methods_to_read + classes_to_read); 439b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle SafeBuffer line_buffer(line_size); 440b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 441b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLoadSatus status = line_buffer.FillFromFd(fd, "ReadProfileLine", error); 442b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 443b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 444226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 445b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (!ProcessLine(line_buffer, 446b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle methods_to_read, 447b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle classes_to_read, 448b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header.checksum, 449b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle line_header.dex_location)) { 450b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error = "Error when reading profile file line"; 451b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadBadData; 452b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 453b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle methods_left_to_read -= methods_to_read; 454b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle classes_left_to_read -= classes_to_read; 455226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 456b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 457226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 458226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 459024160850fbbf28368eae951beb4c72e2ce8fce6Calin Juravlebool ProfileCompilationInfo::Load(int fd) { 460b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle std::string error; 461b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLoadSatus status = LoadInternal(fd, &error); 462b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 463b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status == kProfileLoadSuccess) { 464b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return true; 465b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } else { 466b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle PLOG(WARNING) << "Error when reading profile " << error; 467b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return false; 468b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 469b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle} 470b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 471b8697b15145834c9861bebfb03daa745ecbe53e8Calin JuravleProfileCompilationInfo::ProfileLoadSatus ProfileCompilationInfo::LoadInternal( 472b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int fd, std::string* error) { 473dabdc0fe183d4684f3cf4d70cb09d318cff81b42Mathieu Chartier ScopedTrace trace(__PRETTY_FUNCTION__); 474024160850fbbf28368eae951beb4c72e2ce8fce6Calin Juravle DCHECK_GE(fd, 0); 475226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 476b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle struct stat stat_buffer; 477b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (fstat(fd, &stat_buffer) != 0) { 478b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadIOError; 479b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 480b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // We allow empty profile files. 481b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Profiles may be created by ActivityManager or installd before we manage to 482b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // process them in the runtime or profman. 483b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (stat_buffer.st_size == 0) { 484b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 485b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 486b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Read profile header: magic + version + number_of_lines. 487b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle uint16_t number_of_lines; 488b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLoadSatus status = ReadProfileHeader(fd, &number_of_lines, error); 489b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 490b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 491b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 492b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 493b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle while (number_of_lines > 0) { 494b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle ProfileLineHeader line_header; 495b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // First, read the line header to get the amount of data we need to read. 496b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle status = ReadProfileLineHeader(fd, &line_header, error); 497b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 498b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 499226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 500b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 501b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Now read the actual profile line. 502b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle status = ReadProfileLine(fd, line_header, error); 503b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (status != kProfileLoadSuccess) { 504b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return status; 505226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 506b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle number_of_lines--; 507b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } 508b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle 509b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle // Check that we read everything and that profiles don't contain junk data. 510b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle int result = testEOF(fd); 511b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle if (result == 0) { 512b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadSuccess; 513b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } else if (result < 0) { 514b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadIOError; 515b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle } else { 516b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle *error = "Unexpected content in the profile file"; 517b8697b15145834c9861bebfb03daa745ecbe53e8Calin Juravle return kProfileLoadBadData; 518226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 519998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle} 520998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle 52185f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravlebool ProfileCompilationInfo::MergeWith(const ProfileCompilationInfo& other) { 522fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // First verify that all checksums match. This will avoid adding garbage to 523fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // the current profile info. 524fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // Note that the number of elements should be very small, so this should not 525fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // be a performance issue. 526fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle for (const auto& other_it : other.info_) { 527fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle auto info_it = info_.find(other_it.first); 528fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle if ((info_it != info_.end()) && (info_it->second.checksum != other_it.second.checksum)) { 529fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle LOG(WARNING) << "Checksum mismatch for dex " << other_it.first; 530fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle return false; 531fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } 532fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle } 533fe297a96bc6d3da11579709add9b4568730d2b4fCalin Juravle // All checksums match. Import the data. 534998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle for (const auto& other_it : other.info_) { 535998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const std::string& other_dex_location = other_it.first; 536998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const DexFileData& other_dex_data = other_it.second; 537998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle auto info_it = info_.find(other_dex_location); 538998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle if (info_it == info_.end()) { 539998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle info_it = info_.Put(other_dex_location, DexFileData(other_dex_data.checksum)); 540998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 541998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle info_it->second.method_set.insert(other_dex_data.method_set.begin(), 542998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle other_dex_data.method_set.end()); 5438913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier info_it->second.class_set.insert(other_dex_data.class_set.begin(), 5448913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier other_dex_data.class_set.end()); 545998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 546998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return true; 547226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 548226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 549226501b317e148aa8a8983355e85acb59c1eee83Calin Juravlebool ProfileCompilationInfo::ContainsMethod(const MethodReference& method_ref) const { 55034900cc6d9a14fb29a51daca02fe4b3e47e1b64cCalin Juravle auto info_it = info_.find(GetProfileDexFileKey(method_ref.dex_file->GetLocation())); 551226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle if (info_it != info_.end()) { 552998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle if (method_ref.dex_file->GetLocationChecksum() != info_it->second.checksum) { 553998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return false; 554226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 555998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const std::set<uint16_t>& methods = info_it->second.method_set; 556998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return methods.find(method_ref.dex_method_index) != methods.end(); 557226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 558226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle return false; 559226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 560226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 561a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartierbool ProfileCompilationInfo::ContainsClass(const DexFile& dex_file, uint16_t class_def_idx) const { 562a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier auto info_it = info_.find(GetProfileDexFileKey(dex_file.GetLocation())); 563a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier if (info_it != info_.end()) { 564a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier if (dex_file.GetLocationChecksum() != info_it->second.checksum) { 565a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier return false; 566a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier } 567a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier const std::set<uint16_t>& classes = info_it->second.class_set; 568a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier return classes.find(class_def_idx) != classes.end(); 569a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier } 570a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier return false; 571a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier} 572a079e3aa62cceb76c1c1811e6e09bcaf75e20289Mathieu Chartier 573998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravleuint32_t ProfileCompilationInfo::GetNumberOfMethods() const { 574998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle uint32_t total = 0; 575998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle for (const auto& it : info_) { 576998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle total += it.second.method_set.size(); 577998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 578998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle return total; 579998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle} 580998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle 58185f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravleuint32_t ProfileCompilationInfo::GetNumberOfResolvedClasses() const { 58285f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle uint32_t total = 0; 58385f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle for (const auto& it : info_) { 58485f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle total += it.second.class_set.size(); 58585f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle } 58685f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle return total; 58785f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle} 58885f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle 589998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravlestd::string ProfileCompilationInfo::DumpInfo(const std::vector<const DexFile*>* dex_files, 590998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle bool print_full_dex_location) const { 591226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle std::ostringstream os; 592226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle if (info_.empty()) { 593226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle return "ProfileInfo: empty"; 594226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 595226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 596226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle os << "ProfileInfo:"; 597226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 598226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle const std::string kFirstDexFileKeySubstitute = ":classes.dex"; 599998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle for (const auto& it : info_) { 600226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle os << "\n"; 601998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const std::string& location = it.first; 602998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle const DexFileData& dex_data = it.second; 603226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle if (print_full_dex_location) { 604226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle os << location; 605226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } else { 606226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle // Replace the (empty) multidex suffix of the first key with a substitute for easier reading. 607226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle std::string multidex_suffix = DexFile::GetMultiDexSuffix(location); 608226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle os << (multidex_suffix.empty() ? kFirstDexFileKeySubstitute : multidex_suffix); 609226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 61054196728c25421e72d0009cac4c3145a0da18a58Calin Juravle const DexFile* dex_file = nullptr; 61154196728c25421e72d0009cac4c3145a0da18a58Calin Juravle if (dex_files != nullptr) { 61254196728c25421e72d0009cac4c3145a0da18a58Calin Juravle for (size_t i = 0; i < dex_files->size(); i++) { 61354196728c25421e72d0009cac4c3145a0da18a58Calin Juravle if (location == (*dex_files)[i]->GetLocation()) { 61454196728c25421e72d0009cac4c3145a0da18a58Calin Juravle dex_file = (*dex_files)[i]; 615998c21661b5074c293cae818d0ab7c44dcda3a66Calin Juravle } 616226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 61754196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } 61854196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << "\n\tmethods: "; 61954196728c25421e72d0009cac4c3145a0da18a58Calin Juravle for (const auto method_it : dex_data.method_set) { 62054196728c25421e72d0009cac4c3145a0da18a58Calin Juravle if (dex_file != nullptr) { 62154196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << "\n\t\t" << PrettyMethod(method_it, *dex_file, true); 62254196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } else { 62354196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << method_it << ","; 62454196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } 62554196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } 62654196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << "\n\tclasses: "; 62754196728c25421e72d0009cac4c3145a0da18a58Calin Juravle for (const auto class_it : dex_data.class_set) { 62854196728c25421e72d0009cac4c3145a0da18a58Calin Juravle if (dex_file != nullptr) { 62954196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << "\n\t\t" << PrettyType(class_it, *dex_file); 63054196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } else { 63154196728c25421e72d0009cac4c3145a0da18a58Calin Juravle os << class_it << ","; 63254196728c25421e72d0009cac4c3145a0da18a58Calin Juravle } 633226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 634226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle } 635226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle return os.str(); 636226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle} 637226501b317e148aa8a8983355e85acb59c1eee83Calin Juravle 638024160850fbbf28368eae951beb4c72e2ce8fce6Calin Juravlebool ProfileCompilationInfo::Equals(const ProfileCompilationInfo& other) { 639877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle return info_.Equals(other.info_); 640877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle} 641877fd963548a3175665bfef25b0d24bc0e5a0135Calin Juravle 6428913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartierstd::set<DexCacheResolvedClasses> ProfileCompilationInfo::GetResolvedClasses() const { 6438913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier std::set<DexCacheResolvedClasses> ret; 6448913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier for (auto&& pair : info_) { 6458913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier const std::string& profile_key = pair.first; 6468913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier const DexFileData& data = pair.second; 6479275af6ec0d71d1a13a97a1d292806b73f755717Mathieu Chartier // TODO: Is it OK to use the same location for both base and dex location here? 6489275af6ec0d71d1a13a97a1d292806b73f755717Mathieu Chartier DexCacheResolvedClasses classes(profile_key, profile_key, data.checksum); 6498913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier classes.AddClasses(data.class_set.begin(), data.class_set.end()); 6508913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier ret.insert(classes); 6518913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier } 6528913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier return ret; 6538913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier} 6548913fc1a27df8cf3b37fd99e94d87f290591328eMathieu Chartier 65585f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravlevoid ProfileCompilationInfo::ClearResolvedClasses() { 65685f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle for (auto& pair : info_) { 65785f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle pair.second.class_set.clear(); 65885f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle } 65985f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle} 66085f7bf3bbfa17d65ff77e3e826b5f7aff45838a9Calin Juravle 66131f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle} // namespace art 662