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//===-- Activity.h -----------------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef __Genealogy_h__
#define __Genealogy_h__
#include <mach/task.h>
#include <map>
#include <pthread.h>
#include <string>
#include <vector>
#include "GenealogySPI.h"
#include "MachThreadList.h"
class Genealogy {
public:
Genealogy();
~Genealogy() {}
void Clear();
struct Breadcrumb {
uint32_t breadcrumb_id;
uint64_t activity_id;
uint64_t timestamp;
std::string name;
};
struct Activity {
uint64_t activity_start;
uint64_t activity_id;
uint64_t parent_id;
std::string activity_name;
std::string reason;
};
struct Message {
uint64_t timestamp;
uint64_t activity_id;
uint64_t trace_id;
uint64_t thread;
uint8_t type; // OS_TRACE_TYPE_RELEASE, OS_TRACE_TYPE_DEBUG,
// OS_TRACE_TYPE_ERROR, OS_TRACE_TYPE_FAULT
uint32_t process_info_index; // index # of the image uuid/file path, 0 means
// unknown
std::string message;
};
typedef std::vector<Message> MessageList;
typedef std::vector<Breadcrumb> BreadcrumbList;
typedef std::vector<Activity> ActivityList;
struct ThreadActivity {
Activity current_activity;
MessageList messages;
BreadcrumbList breadcrumbs; // should be 0 or 1 breadcrumbs; no more than 1
// BC for any given activity
};
typedef std::shared_ptr<ThreadActivity> ThreadActivitySP;
ThreadActivitySP GetGenealogyInfoForThread(pid_t pid, nub_thread_t tid,
const MachThreadList &thread_list,
task_t task, bool &timed_out);
struct ProcessExecutableInfo {
std::string image_path;
uuid_t image_uuid;
};
typedef std::shared_ptr<ProcessExecutableInfo> ProcessExecutableInfoSP;
ProcessExecutableInfoSP GetProcessExecutableInfosAtIndex(size_t idx);
uint32_t AddProcessExecutableInfo(ProcessExecutableInfoSP process_exe_info);
private:
void GetActivities(pid_t pid, const MachThreadList &thread_list, task_t task);
// the spi we need to call into libtrace - look them up via dlsym at runtime
bool (*m_os_activity_diagnostic_for_pid)(pid_t pid, os_activity_t activity,
uint32_t flags,
os_diagnostic_block_t block);
void (*m_os_activity_iterate_processes)(
os_activity_process_list_t processes,
bool (^iterator)(os_activity_process_t process_info));
void (*m_os_activity_iterate_breadcrumbs)(
os_activity_process_t process_info,
bool (^iterator)(os_activity_breadcrumb_t breadcrumb));
void (*m_os_activity_iterate_messages)(
os_trace_message_list_t messages, os_activity_process_t process_info,
bool (^iterator)(os_trace_message_t tracemsg));
void (*m_os_activity_iterate_activities)(
os_activity_list_t activities, os_activity_process_t process_info,
bool (^iterator)(os_activity_entry_t activity));
uint8_t (*m_os_trace_get_type)(os_trace_message_t trace_msg);
char *(*m_os_trace_copy_formatted_message)(os_trace_message_t trace_msg);
os_activity_t (*m_os_activity_for_thread)(os_activity_process_t process,
uint64_t thread_id);
os_activity_t (*m_os_activity_for_task_thread)(task_t target,
uint64_t thread_id);
os_trace_message_list_t (*m_os_activity_messages_for_thread)(
os_activity_process_t process, os_activity_t activity,
uint64_t thread_id);
std::map<nub_thread_t, ThreadActivitySP> m_thread_activities;
std::vector<ProcessExecutableInfoSP> m_process_executable_infos;
bool m_diagnosticd_call_timed_out;
};
#endif // __Genealogy_h__
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