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1//===-- Genealogy.h ---------------------------------------------*- C++ -*-===//2//-*-===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_GENEALOGY_H11#define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_GENEALOGY_H12 13#include <mach/task.h>14#include <map>15#include <pthread.h>16#include <string>17#include <vector>18 19#include "GenealogySPI.h"20#include "MachThreadList.h"21 22class Genealogy {23public:24 Genealogy();25 26 ~Genealogy() {}27 28 void Clear();29 30 struct Breadcrumb {31 uint32_t breadcrumb_id;32 uint64_t activity_id;33 uint64_t timestamp;34 std::string name;35 };36 37 struct Activity {38 uint64_t activity_start;39 uint64_t activity_id;40 uint64_t parent_id;41 std::string activity_name;42 std::string reason;43 };44 45 struct Message {46 uint64_t timestamp;47 uint64_t activity_id;48 uint64_t trace_id;49 uint64_t thread;50 uint8_t type; // OS_TRACE_TYPE_RELEASE, OS_TRACE_TYPE_DEBUG,51 // OS_TRACE_TYPE_ERROR, OS_TRACE_TYPE_FAULT52 uint32_t process_info_index; // index # of the image uuid/file path, 0 means53 // unknown54 std::string message;55 };56 57 typedef std::vector<Message> MessageList;58 typedef std::vector<Breadcrumb> BreadcrumbList;59 typedef std::vector<Activity> ActivityList;60 61 struct ThreadActivity {62 Activity current_activity;63 MessageList messages;64 BreadcrumbList breadcrumbs; // should be 0 or 1 breadcrumbs; no more than 165 // BC for any given activity66 };67 68 typedef std::shared_ptr<ThreadActivity> ThreadActivitySP;69 70 ThreadActivitySP GetGenealogyInfoForThread(pid_t pid, nub_thread_t tid,71 const MachThreadList &thread_list,72 task_t task, bool &timed_out);73 74 struct ProcessExecutableInfo {75 std::string image_path;76 uuid_t image_uuid;77 };78 79 typedef std::shared_ptr<ProcessExecutableInfo> ProcessExecutableInfoSP;80 81 ProcessExecutableInfoSP GetProcessExecutableInfosAtIndex(size_t idx);82 83 uint32_t AddProcessExecutableInfo(ProcessExecutableInfoSP process_exe_info);84 85private:86 void GetActivities(pid_t pid, const MachThreadList &thread_list, task_t task);87 88 // the spi we need to call into libtrace - look them up via dlsym at runtime89 bool (*m_os_activity_diagnostic_for_pid)(pid_t pid, os_activity_t activity,90 uint32_t flags,91 os_diagnostic_block_t block);92 void (*m_os_activity_iterate_processes)(93 os_activity_process_list_t processes,94 bool (^iterator)(os_activity_process_t process_info));95 void (*m_os_activity_iterate_breadcrumbs)(96 os_activity_process_t process_info,97 bool (^iterator)(os_activity_breadcrumb_t breadcrumb));98 void (*m_os_activity_iterate_messages)(99 os_trace_message_list_t messages, os_activity_process_t process_info,100 bool (^iterator)(os_trace_message_t tracemsg));101 void (*m_os_activity_iterate_activities)(102 os_activity_list_t activities, os_activity_process_t process_info,103 bool (^iterator)(os_activity_entry_t activity));104 uint8_t (*m_os_trace_get_type)(os_trace_message_t trace_msg);105 char *(*m_os_trace_copy_formatted_message)(os_trace_message_t trace_msg);106 os_activity_t (*m_os_activity_for_thread)(os_activity_process_t process,107 uint64_t thread_id);108 os_activity_t (*m_os_activity_for_task_thread)(task_t target,109 uint64_t thread_id);110 os_trace_message_list_t (*m_os_activity_messages_for_thread)(111 os_activity_process_t process, os_activity_t activity,112 uint64_t thread_id);113 114 std::map<nub_thread_t, ThreadActivitySP> m_thread_activities;115 std::vector<ProcessExecutableInfoSP> m_process_executable_infos;116 bool m_diagnosticd_call_timed_out;117};118 119#endif // LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_GENEALOGY_H120