projects / apple / system_cmds.git / blame
| Commit | Line | Data |
|---|---|---|
| bd6521f0 A |
1 | // |
| 2 | // ReadTraceFileAction.cpp | |
| 3 | // msa | |
| 4 | // | |
| 5 | // Created by James McIlree on 4/15/13. | |
| 6 | // Copyright (c) 2014 Apple. All rights reserved. | |
| 7 | // | |
| 8 | ||
| 9 | #include "global.h" | |
| 10 | ||
| 11 | template <typename SIZE> | |
| 12 | static void execute_arch_specific(Globals& globals, TraceFile& file) | |
| 13 | { | |
| 14 | Machine<SIZE> machine(file); | |
| 15 | ||
| 16 | if (!machine.lost_events()) { | |
| 17 | if (globals.should_zero_base_timestamps() && machine.event_count()) { | |
| 18 | globals.set_beginning_of_time(machine.events()[0].timestamp()); | |
| 19 | } else { | |
| 20 | globals.set_beginning_of_time(AbsTime(0)); | |
| 21 | } | |
| 22 | ||
| 23 | if (!globals.is_timebase_set()) { | |
| 24 | if (machine.is_ios()) { | |
| 25 | globals.set_timebase({ 125, 3 }, false); | |
| 26 | } else { | |
| 27 | globals.set_timebase({ 1, 1 }, false); | |
| 28 | } | |
| 29 | } | |
| 30 | ||
| 31 | char buf[PATH_MAX]; | |
| 32 | char* buf_end = buf + sizeof(buf); | |
| 33 | print_mach_msg_header(buf, buf_end, globals); | |
| 34 | dprintf(globals.output_fd(), "%s", buf); | |
| 35 | ||
| 36 | std::unordered_map<pid_t, bool> task_appnap_state; | |
| 37 | std::unordered_map<pid_t, TaskRequestedPolicy> task_requested_state; | |
| 38 | std::unordered_map<typename SIZE::ptr_t, TaskRequestedPolicy> thread_requested_state; | |
| 39 | std::unordered_map<pid_t, std::pair<TaskEffectivePolicy, uint32_t>> task_effective_state; | |
| 40 | std::unordered_map<typename SIZE::ptr_t, std::pair<TaskEffectivePolicy, uint32_t>> thread_effective_state; | |
| 41 | std::unordered_map<pid_t, std::pair<uint32_t, uint32_t>> task_boosts; | |
| 42 | ||
| 43 | process_events(globals, machine, task_appnap_state, task_requested_state, thread_requested_state, task_effective_state, thread_effective_state, task_boosts); | |
| 44 | } else { | |
| 45 | log_msg(ASL_LEVEL_WARNING, "The trace data indicates that events were lost, the file cannot be processed\n"); | |
| 46 | } | |
| 47 | } | |
| 48 | ||
| 49 | void ReadTraceFileAction::execute(Globals& globals) { | |
| 50 | TraceFile file(_path.c_str(), globals.should_presort_events(), globals.cpu_count(), globals.iop_count()); | |
| 51 | if (globals.is_kernel_size_set()) { | |
| 52 | try { | |
| 53 | if (globals.kernel_size() == KernelSize::k32) | |
| 54 | execute_arch_specific<Kernel32>(globals, file); | |
| 55 | else | |
| 56 | execute_arch_specific<Kernel64>(globals, file); | |
| 57 | } catch (Exception& e) { | |
| 58 | log_msg(ASL_LEVEL_ERR, "An exception was raised: %s", e.what()); | |
| 59 | log_msg(ASL_LEVEL_ERR, "An explicit kernel size was set, you may want to try not forcing the size to a single value\n"); | |
| 60 | log_msg(ASL_LEVEL_ERR, "You may also want to check the number of cpus and iops configured if the file is from a device and does not have a cpumap\n"); | |
| 61 | } | |
| 62 | } else { | |
| 63 | if (file.is_valid()) { | |
| 64 | if (file.is_64_bit()) { | |
| 65 | execute_arch_specific<Kernel64>(globals, file); | |
| 66 | } else { | |
| 67 | execute_arch_specific<Kernel32>(globals, file); | |
| 68 | } | |
| 69 | } else { | |
| 70 | if (file.mmap_failed()) { | |
| 71 | log_msg(ASL_LEVEL_ERR, "Unable to mmap %s, it may exceed this devices memory limits\n", _path.c_str()); | |
| 72 | } else { | |
| 73 | log_msg(ASL_LEVEL_ERR, "%s does not appear to be a valid trace file\n", _path.c_str()); | |
| 74 | } | |
| 75 | } | |
| 76 | } | |
| 77 | } |