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argparse import os import shlex import subprocess cgitb.enable(format='text') kcdata_type_def = { 'KCDATA_TYPE_INVALID': 0x0, 'KCDATA_TYPE_STRING_DESC': 0x1, 'KCDATA_TYPE_UINT32_DESC': 0x2, 'KCDATA_TYPE_UINT64_DESC': 0x3, 'KCDATA_TYPE_INT32_DESC': 0x4, 'KCDATA_TYPE_INT64_DESC': 0x5, 'KCDATA_TYPE_BINDATA_DESC': 0x6, 'KCDATA_TYPE_ARRAY': 0x11, 'KCDATA_TYPE_TYPEDEFINTION': 0x12, 'KCDATA_TYPE_CONTAINER_BEGIN': 0x13, 'KCDATA_TYPE_CONTIANER_END': 0x14, 'KCDATA_TYPE_LIBRARY_LOADINFO': 0x30, 'KCDATA_TYPE_LIBRARY_LOADINFO64': 0x31, 'KCDATA_TYPE_TIMEBASE': 0x32, #'KCDATA_TYPE_MACH_ABSOLUTE_TIME': 0x33, 'KCDATA_TYPE_TIMEVAL': 0x34, 'KCDATA_TYPE_USECS_SINCE_EPOCH': 0x35, 'STACKSHOT_KCCONTAINER_TASK': 0x903, 'STACKSHOT_KCCONTAINER_THREAD': 0x904, 'STACKSHOT_KCTYPE_KERN_STACKFRAME': 0x90A, 'STACKSHOT_KCTYPE_KERN_STACKFRAME64': 0x90B, 'STACKSHOT_KCTYPE_USER_STACKFRAME': 0x90C, 'STACKSHOT_KCTYPE_USER_STACKFRAME64': 0x90D, 'STACKSHOT_KCTYPE_BOOTARGS': 0x90E, 'STACKSHOT_KCTYPE_OSVERSION': 0x90F, 'STACKSHOT_KCTYPE_KERN_PAGE_SIZE': 0x910, 'STACKSHOT_KCTYPE_JETSAM_LEVEL': 0x911, 'KCDATA_TYPE_BUFFER_END': 0xF19158ED, 'TASK_CRASHINFO_EXTMODINFO': 0x801, 'TASK_CRASHINFO_BSDINFOWITHUNIQID': 0x802, 'TASK_CRASHINFO_TASKDYLD_INFO': 0x803, 'TASK_CRASHINFO_UUID': 0x804, 'TASK_CRASHINFO_PID': 0x805, 'TASK_CRASHINFO_PPID': 0x806, 'TASK_CRASHINFO_RUSAGE': 0x807, 'TASK_CRASHINFO_RUSAGE_INFO': 0x808, 'TASK_CRASHINFO_PROC_NAME': 0x809, 'TASK_CRASHINFO_PROC_STARTTIME': 0x80B, 'TASK_CRASHINFO_USERSTACK': 0x80C, 'TASK_CRASHINFO_ARGSLEN': 0x80D, 'TASK_CRASHINFO_EXCEPTION_CODES': 0x80E, 'TASK_CRASHINFO_PROC_PATH': 0x80F, 'TASK_CRASHINFO_PROC_CSFLAGS': 0x810, 'TASK_CRASHINFO_PROC_STATUS': 0x811, 'TASK_CRASHINFO_UID': 0x812, 'TASK_CRASHINFO_GID': 0x813, 'TASK_CRASHINFO_PROC_ARGC': 0x814, 'TASK_CRASHINFO_PROC_FLAGS': 0x815, 'TASK_CRASHINFO_CPUTYPE': 0x816, 'TASK_CRASHINFO_WORKQUEUEINFO': 0x817, 'TASK_CRASHINFO_RESPONSIBLE_PID': 0x818, 'TASK_CRASHINFO_DIRTY_FLAGS': 0x819, 'TASK_CRASHINFO_CRASHED_THREADID': 0x81A, 'KCDATA_BUFFER_BEGIN_CRASHINFO': 0xDEADF157, 'KCDATA_BUFFER_BEGIN_STACKSHOT': 0x59a25807 } kcdata_type_def_rev = dict((v, k) for k, v in kcdata_type_def.iteritems()) KNOWN_TYPES_COLLECTION = {} def enum(**args): return type('enum', (), args) KCSUBTYPE_TYPE = enum(KC_ST_CHAR=1, KC_ST_INT8=2, KC_ST_UINT8=3, KC_ST_INT16=4, KC_ST_UINT16=5, KC_ST_INT32=6, KC_ST_UINT32=7, KC_ST_INT64=8, KC_ST_UINT64=9) class KCSubTypeElement(object): """convert kcdata_subtype_descriptor to """ _unpack_formats = (None, 'c', 'b', 'B', 'h', 'H', 'i', 'I', 'q', 'Q') _ctypes = ('Unknown', 'char', 'int8_t', 'uint8_t', 'int16_t', 'uint16_t', 'int32_t', 'uint32_t', 'int64_t', 'uint64_t') def __init__(self, st_name, st_type, st_size, st_offset=0, st_flag=0, custom_repr=None): self.name = st_name self.offset = st_offset self.type_id = st_type if st_type <= 0 or st_type > KCSUBTYPE_TYPE.KC_ST_UINT64: raise ValueError("Invalid type passed %d" % st_type) self.unpack_fmt = KCSubTypeElement._unpack_formats[self.type_id] self.size = st_size self.totalsize = st_size self.count = 1 self.is_array_type = False self.custom_JsonRepr = custom_repr if (st_flag & 0x1) == 0x1: self.is_array_type = True self.size = st_size & 0xffff self.count = (st_size >> 16) & 0xffff self.totalsize = self.size * self.count @staticmethod def GetSizeForArray(el_count, el_size): return ((el_count & 0xffff) << 16) | (el_size & 0xffff) @staticmethod def FromBinaryTypeData(byte_data): (st_flag, st_type, st_offset, st_size, st_name) = struct.unpack_from('=BBHI32s', byte_data) st_name = st_name.rstrip('\x00') return KCSubTypeElement(st_name, st_type, st_size, st_offset, st_flag) @staticmethod def FromBasicCtype(st_name, st_type, st_offset=0): if st_type <= 0 or st_type > KCSUBTYPE_TYPE.KC_ST_UINT64: raise ValueError("Invalid type passed %d" % st_type) st_size = struct.calcsize(KCSubTypeElement._unpack_formats[st_type]) st_flag = 0 retval = KCSubTypeElement(st_name, st_type, st_size, st_offset, st_flag, KCSubTypeElement._get_naked_element_value) return retval @staticmethod def FromKCSubTypeElement(other, name_override=''): _copy = copy.copy(other) if name_override: _copy.name = name_override return copy def GetName(self): return self.name def GetTotalSize(self): return self.totalsize def GetValueAsString(self, base_data, array_pos=0): return str(self.GetValue(base_data, array_pos)) def GetValue(self, base_data, array_pos=0): return struct.unpack_from(self.unpack_fmt, base_data[self.offset + (array_pos * self.size):])[0] @staticmethod def _get_naked_element_value(elementValue, elementName): return json.dumps(elementValue) def __str__(self): if self.is_array_type: return '[%d,%d] %s %s[%d];' % (self.offset, self.totalsize, self.GetCTypeDesc(), self.name, self.count) return '[%d,%d] %s %s;' % (self.offset, self.totalsize, self.GetCTypeDesc(), self.name) def __repr__(self): return str(self) def GetCTypeDesc(self): return KCSubTypeElement._ctypes[self.type_id] def GetStringRepr(self, base_data): if not self.is_array_type: return self.GetValueAsString(base_data) if self.type_id == KCSUBTYPE_TYPE.KC_ST_CHAR: str_len = self.count if len(base_data) < str_len: str_len = len(base_data) str_arr = [] for i in range(str_len): _v = self.GetValue(base_data, i) if ord(_v) == 0: break str_arr.append(self.GetValueAsString(base_data, i)) return '"' + ''.join(str_arr) + '"' o = '[' + ','.join([self.GetValueAsString(base_data, i) for i in range(self.count)]) + ']' return o def GetJsonRepr(self, base_data): if self.custom_JsonRepr: if self.is_array_type: e_data = [self.GetValue(base_data, i) for i in range(self.count)] else: e_data = self.GetValue(base_data) return self.custom_JsonRepr(e_data, self.name) return self.GetStringRepr(base_data) class KCTypeDescription(object): def __init__(self, t_type_id, t_elements=[], t_name='anon', custom_repr=None): self.type_id = t_type_id self.elements = t_elements self.name = t_name self.totalsize = 0 self.custom_JsonRepr = custom_repr for e in self.elements: self.totalsize += e.GetTotalSize() def ValidateData(self, base_data): if len(base_data) >= self.totalsize: return True return False def GetTypeID(self): return self.type_id def GetName(self): return self.name def __str__(self): o = '%s {\n\t' % self.name + "\n\t".join([str(e) for e in self.elements]) + '\n};' return o @staticmethod def FromKCTypeDescription(other, t_type_id, t_name): retval = KCTypeDescription(t_type_id, other.elements, t_name, other.custom_JsonRepr) return retval def GetJsonRepr(self, base_data): if self.custom_JsonRepr: return self.custom_JsonRepr([e.GetValue(base_data) for e in self.elements]) o = '{' + ", ".join(['"%s": %s' % (e.GetName(), e.GetJsonRepr(base_data)) for e in self.elements]) + '}' return o def GetTypeNameForKey(k): retval = "0x%x" % k if k in KNOWN_TYPES_COLLECTION: retval = KNOWN_TYPES_COLLECTION[k].GetName() elif k in kcdata_type_def_rev: retval = kcdata_type_def_rev[k] return retval def GetTypeForName(n): ret = 0 if n in kcdata_type_def: ret = kcdata_type_def[n] return ret class KCObject(object): """ """ def __init__(self, type_code, data, flags=0, field_name=''): self.i_type = type_code self.i_data = data self.i_size = len(data) self.i_name = field_name self.i_flags = flags self.obj_collection = [] self.obj = {} self.is_container_type = False self.is_array_type = False self.is_naked_type = False if not field_name: self.i_name = GetTypeNameForKey(type_code) self.ParseData() @staticmethod def FromKCItem(kcitem): return KCObject(kcitem.i_type, kcitem.i_data, kcitem.i_flags) def IsContainerType(self): return self.is_container_type def IsContainerEnd(self): if self.i_type in (GetTypeForName('KCDATA_TYPE_CONTIANER_END'), GetTypeForName('KCDATA_TYPE_BUFFER_END')): return True return False def GetJsonRepr(self): if self.is_array_type: return '[' + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']' #if self.is_array_type: # return '"%s" : [' % self.i_name + ', '.join([i.GetJsonRepr() for i in self.obj_collection]) + ']' if self.is_container_type: raise NotImplementedError("Containter types should not have come here") if self.i_type in KNOWN_TYPES_COLLECTION: return KNOWN_TYPES_COLLECTION[self.i_type].GetJsonRepr(self.i_data) if self.is_naked_type: return json.dumps(self.obj) raise NotImplementedError("Broken GetJsonRepr implementation") def ParseData(self): if self.i_type == GetTypeForName('KCDATA_TYPE_CONTAINER_BEGIN'): self.is_container_type = True self.obj['uniqID'] = self.i_flags self.i_name = str(self.obj['uniqID']) self.obj['typeID'] = struct.unpack_from('I', self.i_data)[0] elif self.i_type in (GetTypeForName('KCDATA_BUFFER_BEGIN_CRASHINFO'), GetTypeForName('KCDATA_BUFFER_BEGIN_STACKSHOT')): self.is_container_type = True self.obj['uniqID'] = self.i_name self.obj['typeID'] = self.i_type elif self.i_type == GetTypeForName('KCDATA_TYPE_CONTIANER_END'): self.obj['uniqID'] = self.i_flags elif self.i_type == GetTypeForName('KCDATA_TYPE_BUFFER_END'): self.obj = '' elif self.i_type == GetTypeForName('KCDATA_TYPE_UINT32_DESC'): self.is_naked_type = True u_d = struct.unpack_from('32sI', self.i_data) self.i_name = u_d[0].strip(chr(0)) self.obj = u_d[1] elif self.i_type == GetTypeForName('KCDATA_TYPE_UINT64_DESC'): self.is_naked_type = True u_d = struct.unpack_from('32sQ', self.i_data) self.i_name = u_d[0].strip(chr(0)) self.obj = u_d[1] elif self.i_type == GetTypeForName('KCDATA_TYPE_TYPEDEFINTION'): self.is_naked_type = True u_d = struct.unpack_from('II32s', self.i_data) self.obj['name'] = u_d[2].strip(chr(0)) self.i_name = "typedef<%s>" % self.obj['name'] self.obj['typeID'] = u_d[0] self.obj['numOfFields'] = u_d[1] element_arr = [] for i in range(u_d[1]): e = KCSubTypeElement.FromBinaryTypeData(self.i_data[40+(i*40):]) #print str(e) element_arr.append(e) type_desc = KCTypeDescription(u_d[0], element_arr, self.obj['name']) #print str(type_desc) self.obj['fields'] = [str(e) for e in element_arr] KNOWN_TYPES_COLLECTION[type_desc.GetTypeID()] = type_desc elif self.i_type == GetTypeForName('KCDATA_TYPE_ARRAY'): self.is_array_type = True e_t = (self.i_flags >> 32) & 0xffffffff e_c = self.i_flags & 0xffffffff e_s = self.i_size / e_c self.obj['typeID'] = e_t self.i_name = GetTypeNameForKey(e_t) self.i_type = e_t self.obj['numOfElements'] = e_c self.obj['sizeOfElement'] = e_s #populate the array here by recursive creation of KCObject for _i in range(e_c): _o = KCObject(e_t, self.i_data[(_i * e_s):(_i * e_s) + e_s]) self.obj_collection.append(_o) elif self.i_type in KNOWN_TYPES_COLLECTION: self.i_name = KNOWN_TYPES_COLLECTION[self.i_type].GetName() self.is_naked_type = True else: self.is_naked_type = True #self.obj = "data of len %d" % len(self.i_data) #self.obj = ''.join(["%x" % ki for ki in struct.unpack('%dB' % len(self.i_data), self.i_data)]) self.obj = base64.b64encode(self.i_data) class KCContainerObject(KCObject): def __init__(self, *args, **kwargs): KCObject.__init__(self, *args, **kwargs) self.obj_container_dict = {} self.obj_nested_objs = {} def GetJsonRepr(self): o = '"%s"' % self.obj['uniqID'] + ' : { "typeID" : %d ,' % self.obj['typeID'] for (k, v) in self.obj_container_dict.items(): if v.IsContainerType(): o += v.GetJsonRepr() + "," else: o += ' "%s" : ' % k + v.GetJsonRepr() + "," for (k, v) in self.obj_nested_objs.items(): o += '"%s" : {' % k + ",".join([vi.GetJsonRepr() for vi in v.values()]) + "} ," o = o.rstrip(',') + "}" return o def AddObject(self, kco): if kco.IsContainerEnd(): return if kco.IsContainerType(): type_name = GetTypeNameForKey(kco.obj['typeID']) if type_name not in self.obj_nested_objs: self.obj_nested_objs[type_name] = {} self.obj_nested_objs[type_name][kco.i_name] = kco return self.obj_container_dict[kco.i_name] = kco class KCData_item: """ a basic kcdata_item type object. """ header_size = 16 # (uint32_t + uint32_t + uint64_t) def __init__(self, item_type, item_size, item_flags, item_data): self.i_type = item_type self.i_size = item_size self.i_flags = item_flags self.i_data = item_data self._buf_pos = None def __init__(self, barray, pos=0): """ create an object by parsing data from bytes array returns : obj - if data is readable raises ValueError if something is not ok. """ self.i_type = struct.unpack('I', barray[pos:pos+4])[0] # int.from_bytes(barray[pos:pos+4]) self.i_size = struct.unpack('I', barray[pos+4:pos+8])[0] # int.from_bytes(barray[pos+4:pos+8]) self.i_flags = struct.unpack('Q', barray[pos+8:pos+16])[0] # int.from_bytes(barray[pos+8:pos+16]) self.i_data = barray[pos+16: (pos + 16 + self.i_size)] self._buf_pos = pos def __len__(self): return self.i_size + KCData_item.header_size def GetHeaderDescription(self): outs = "type: 0x%x size: 0x%x flags: 0x%x" % (self.i_type, self.i_size, self.i_flags) if not self._buf_pos is None: outs = "pos: 0x%x" % self._buf_pos + outs return outs def __str__(self): return self.GetHeaderDescription() def kcdata_item_iterator(filename): if not filename: return with open(filename, "r+b") as f: fmap = mmap.mmap(f.fileno(), 0) file_len = len(fmap) curpos = 0 while curpos < file_len: item = KCData_item(fmap, curpos) yield item curpos += len(item) fmap.close() def _get_data_element(elementValues): return json.dumps(elementValues[-1]) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_UINT32_DESC')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_UINT32_DESC'), ( KCSubTypeElement('desc', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 0, 1), KCSubTypeElement('data', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 32, 0) ), 'KCDATA_TYPE_UINT32_DESC', _get_data_element ) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_UINT64_DESC')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_UINT64_DESC'), ( KCSubTypeElement('desc', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 0, 1), KCSubTypeElement('data', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 32, 0) ), 'KCDATA_TYPE_UINT64_DESC', _get_data_element ) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_TIMEBASE')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_TIMEBASE'), ( KCSubTypeElement('numerator', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0), KCSubTypeElement('denominator', KCSUBTYPE_TYPE.KC_ST_UINT32, 8, 4, 0) ), 'timebase_info' ) STACKSHOT_IO_NUM_PRIORITIES = 4 KNOWN_TYPES_COLLECTION[0x901] = KCTypeDescription(0x901, ( KCSubTypeElement.FromBasicCtype('disk_reads_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 0), KCSubTypeElement.FromBasicCtype('disk_reads_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 8), KCSubTypeElement.FromBasicCtype('disk_writes_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 16), KCSubTypeElement.FromBasicCtype('disk_writes_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 24), KCSubTypeElement('io_priority_count', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32, 1), KCSubTypeElement('io_priority_size', KCSUBTYPE_TYPE.KC_ST_UINT64, KCSubTypeElement.GetSizeForArray(STACKSHOT_IO_NUM_PRIORITIES, 8), 32 + (STACKSHOT_IO_NUM_PRIORITIES * 8), 1), KCSubTypeElement.FromBasicCtype('paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 32 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('non_paging_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 48 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('non_paging_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 56 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('data_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 64 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('data_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 72 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('metadata_count', KCSUBTYPE_TYPE.KC_ST_UINT64, 80 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)), KCSubTypeElement.FromBasicCtype('metadata_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 88 + 2 * (STACKSHOT_IO_NUM_PRIORITIES * 8)) ), 'io_statistics' ) KNOWN_TYPES_COLLECTION[0x902] = KCTypeDescription(0x902, ( KCSubTypeElement('snapshot_magic', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 0, 0), KCSubTypeElement('free_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 1, 0), KCSubTypeElement('active_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 2, 0), KCSubTypeElement('inactive_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 3, 0), KCSubTypeElement('purgeable_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 4, 0), KCSubTypeElement('wired_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 5, 0), KCSubTypeElement('speculative_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 6, 0), KCSubTypeElement('throttled_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 7, 0), KCSubTypeElement('filebacked_pages', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 8, 0), KCSubTypeElement('compressions', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 9, 0), KCSubTypeElement('decompressions', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 10, 0), KCSubTypeElement('compressor_size', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 11, 0), KCSubTypeElement('busy_buffer_count', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 4 * 12, 0), KCSubTypeElement('pages_wanted', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 13, 0), KCSubTypeElement('pages_reclaimed', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 4 * 14, 0), KCSubTypeElement('pages_wanted_reclaimed_valid', KCSUBTYPE_TYPE.KC_ST_UINT8, 1, 4 * 15, 0) ), 'mem_and_io_snapshot' ) KNOWN_TYPES_COLLECTION[0x905] = KCTypeDescription(0x905, ( KCSubTypeElement.FromBasicCtype('unique_pid', KCSUBTYPE_TYPE.KC_ST_UINT64, 0), KCSubTypeElement.FromBasicCtype('ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 8), KCSubTypeElement.FromBasicCtype('user_time_in_terminated_threads', KCSUBTYPE_TYPE.KC_ST_UINT64, 16), KCSubTypeElement.FromBasicCtype('system_time_in_terminated_threads', KCSUBTYPE_TYPE.KC_ST_UINT64, 24), KCSubTypeElement.FromBasicCtype('p_start_sec', KCSUBTYPE_TYPE.KC_ST_UINT64, 32), KCSubTypeElement.FromBasicCtype('task_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 40), KCSubTypeElement.FromBasicCtype('task_max_resident_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 48), KCSubTypeElement.FromBasicCtype('suspend_count', KCSUBTYPE_TYPE.KC_ST_UINT32, 56), KCSubTypeElement.FromBasicCtype('faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 60), KCSubTypeElement.FromBasicCtype('pageins', KCSUBTYPE_TYPE.KC_ST_UINT32, 64), KCSubTypeElement.FromBasicCtype('cow_faults', KCSUBTYPE_TYPE.KC_ST_UINT32, 68), KCSubTypeElement.FromBasicCtype('was_throttled', KCSUBTYPE_TYPE.KC_ST_UINT32, 72), KCSubTypeElement.FromBasicCtype('did_throttle', KCSUBTYPE_TYPE.KC_ST_UINT32, 76), KCSubTypeElement.FromBasicCtype('latency_qos', KCSUBTYPE_TYPE.KC_ST_UINT32, 80), KCSubTypeElement.FromBasicCtype('pid', KCSUBTYPE_TYPE.KC_ST_INT32, 84), KCSubTypeElement('p_comm', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 88, 1) ), 'task_snapshot_v2' ) KNOWN_TYPES_COLLECTION[0x906] = KCTypeDescription(0x906, ( KCSubTypeElement.FromBasicCtype('thread_id', KCSUBTYPE_TYPE.KC_ST_UINT64, 0), KCSubTypeElement.FromBasicCtype('wait_event', KCSUBTYPE_TYPE.KC_ST_UINT64, 8), KCSubTypeElement.FromBasicCtype('continuation', KCSUBTYPE_TYPE.KC_ST_UINT64, 16), KCSubTypeElement.FromBasicCtype('total_syscalls', KCSUBTYPE_TYPE.KC_ST_UINT64, 24), KCSubTypeElement.FromBasicCtype('voucher_identifier', KCSUBTYPE_TYPE.KC_ST_UINT64, 32), KCSubTypeElement.FromBasicCtype('dqserialnum', KCSUBTYPE_TYPE.KC_ST_UINT64, 40), KCSubTypeElement.FromBasicCtype('user_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 48), KCSubTypeElement.FromBasicCtype('sys_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 56), KCSubTypeElement.FromBasicCtype('ss_flags', KCSUBTYPE_TYPE.KC_ST_UINT64, 64), KCSubTypeElement.FromBasicCtype('last_run_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 72), KCSubTypeElement.FromBasicCtype('last_made_runnable_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 80), KCSubTypeElement.FromBasicCtype('state', KCSUBTYPE_TYPE.KC_ST_UINT32, 88), KCSubTypeElement.FromBasicCtype('sched_flags', KCSUBTYPE_TYPE.KC_ST_UINT32, 92), KCSubTypeElement.FromBasicCtype('base_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 96), KCSubTypeElement.FromBasicCtype('sched_priority', KCSUBTYPE_TYPE.KC_ST_INT16, 98), KCSubTypeElement.FromBasicCtype('ts_eqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 100), KCSubTypeElement.FromBasicCtype('ts_rqos', KCSUBTYPE_TYPE.KC_ST_UINT8, 101), KCSubTypeElement.FromBasicCtype('ts_rqos_override', KCSUBTYPE_TYPE.KC_ST_UINT8, 102), KCSubTypeElement.FromBasicCtype('io_tier', KCSUBTYPE_TYPE.KC_ST_UINT8, 103), ), 'thread_snapshot_v2' ) KNOWN_TYPES_COLLECTION[0x909] = KCSubTypeElement('pth_name', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(64, 1), 0, 1) def _get_uuid_json_data(elementValues, elementName): return '"<%s>"' % ''.join("%02x" % i for i in elementValues) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64'), ( KCSubTypeElement('loadAddress', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0), KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 8, 1, _get_uuid_json_data) ), 'dyld_load_info' ) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO')] = KCTypeDescription(GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO'), ( KCSubTypeElement('loadAddress', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0), KCSubTypeElement('imageUUID', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 4, 1, _get_uuid_json_data) ), 'dyld_load_info' ) KNOWN_TYPES_COLLECTION[0x908] = KCTypeDescription.FromKCTypeDescription(KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_LIBRARY_LOADINFO64')], 0x908, 'shared_cache_dyld_info') KNOWN_TYPES_COLLECTION[0x33] = KCSubTypeElement('mach_absolute_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0, KCSubTypeElement._get_naked_element_value) KNOWN_TYPES_COLLECTION[0x907] = KCSubTypeElement.FromBasicCtype('donating_pids', KCSUBTYPE_TYPE.KC_ST_INT32) KNOWN_TYPES_COLLECTION[GetTypeForName('KCDATA_TYPE_USECS_SINCE_EPOCH')] = KCSubTypeElement('usecs_since_epoch', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0, KCSubTypeElement._get_naked_element_value) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME'), ( KCSubTypeElement.FromBasicCtype('lr', KCSUBTYPE_TYPE.KC_ST_UINT32), KCSubTypeElement.FromBasicCtype('sp', KCSUBTYPE_TYPE.KC_ST_UINT32, 4) ), 'kernel_stack_frames' ) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME')] = KCTypeDescription.FromKCTypeDescription( KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME')], GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME'), 'user_stack_frames' ) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME64')] = KCTypeDescription(GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME64'), ( KCSubTypeElement.FromBasicCtype('lr', KCSUBTYPE_TYPE.KC_ST_UINT64), KCSubTypeElement.FromBasicCtype('sp', KCSUBTYPE_TYPE.KC_ST_UINT64, 8) ), 'kernel_stack_frames' ) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME64')] = KCTypeDescription.FromKCTypeDescription( KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_STACKFRAME64')], GetTypeForName('STACKSHOT_KCTYPE_USER_STACKFRAME64'), 'user_stack_frames' ) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_OSVERSION')] = KCSubTypeElement('osversion', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(256, 1), 0, 1) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_BOOTARGS')] = KCSubTypeElement('bootargs', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(256, 1), 0, 1) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_KERN_PAGE_SIZE')] = KCSubTypeElement('kernel_page_size', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value) KNOWN_TYPES_COLLECTION[GetTypeForName('STACKSHOT_KCTYPE_JETSAM_LEVEL')] = KCSubTypeElement('jetsam_level', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value) #KNOWN_TYPES_COLLECTION[0x907] = KCSubTypeElement('donating_pids', KCSUBTYPE_TYPE.KC_ST_UINT32, 4, 0, 0, KCSubTypeElement._get_naked_element_value) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PID')] = KCSubTypeElement('pid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PPID')] = KCSubTypeElement('ppid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_NAME')] = KCSubTypeElement('p_comm', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(32, 1), 0, 1) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_USERSTACK')] = KCSubTypeElement('userstack_ptr', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_ARGSLEN')] = KCSubTypeElement('p_argslen', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_PATH')] = KCSubTypeElement('p_path', KCSUBTYPE_TYPE.KC_ST_CHAR, KCSubTypeElement.GetSizeForArray(1024, 1), 0, 1) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_CSFLAGS')] = KCSubTypeElement('p_csflags', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_UID')] = KCSubTypeElement('uid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_GID')] = KCSubTypeElement('gid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_ARGC')] = KCSubTypeElement('argc', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_FLAGS')] = KCSubTypeElement('p_flags', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_CPUTYPE')] = KCSubTypeElement('cputype', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_RESPONSIBLE_PID')] = KCSubTypeElement('responsible_pid', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_DIRTY_FLAGS')] = KCSubTypeElement('dirty_flags', KCSUBTYPE_TYPE.KC_ST_INT32, 4, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_CRASHED_THREADID')] = KCSubTypeElement('crashed_threadid', KCSUBTYPE_TYPE.KC_ST_UINT64, 8, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_PROC_STATUS')] = KCSubTypeElement('p_status', KCSUBTYPE_TYPE.KC_ST_UINT8, 1, 0, 0) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_BSDINFOWITHUNIQID')] = KCTypeDescription(GetTypeForName('TASK_CRASHINFO_BSDINFOWITHUNIQID'), ( KCSubTypeElement('p_uuid', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 0, 1), KCSubTypeElement.FromBasicCtype('p_uniqueid', KCSUBTYPE_TYPE.KC_ST_UINT64, 16), KCSubTypeElement.FromBasicCtype('p_puniqueid', KCSUBTYPE_TYPE.KC_ST_UINT64, 24) ), 'proc_uniqidentifierinfo') KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_EXCEPTION_CODES')] = KCSubTypeElement('TASK_CRASHINFO_EXCEPTION_CODES', KCSUBTYPE_TYPE.KC_ST_INT64, KCSubTypeElement.GetSizeForArray(2,8), 0, 1) KNOWN_TYPES_COLLECTION[GetTypeForName('TASK_CRASHINFO_RUSAGE_INFO')] = KCTypeDescription(GetTypeForName('TASK_CRASHINFO_RUSAGE_INFO'), ( KCSubTypeElement('ri_uuid', KCSUBTYPE_TYPE.KC_ST_UINT8, KCSubTypeElement.GetSizeForArray(16, 1), 0, 1), KCSubTypeElement.FromBasicCtype('ri_user_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 16), KCSubTypeElement.FromBasicCtype('ri_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 24), KCSubTypeElement.FromBasicCtype('ri_pkg_idle_wkups', KCSUBTYPE_TYPE.KC_ST_UINT64, 32), KCSubTypeElement.FromBasicCtype('ri_interrupt_wkups', KCSUBTYPE_TYPE.KC_ST_UINT64, 40), KCSubTypeElement.FromBasicCtype('ri_pageins', KCSUBTYPE_TYPE.KC_ST_UINT64, 48), KCSubTypeElement.FromBasicCtype('ri_wired_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 56), KCSubTypeElement.FromBasicCtype('ri_resident_size', KCSUBTYPE_TYPE.KC_ST_UINT64, 64), KCSubTypeElement.FromBasicCtype('ri_phys_footprint', KCSUBTYPE_TYPE.KC_ST_UINT64, 72), KCSubTypeElement.FromBasicCtype('ri_proc_start_abstime', KCSUBTYPE_TYPE.KC_ST_UINT64, 80), KCSubTypeElement.FromBasicCtype('ri_proc_exit_abstime', KCSUBTYPE_TYPE.KC_ST_UINT64, 88), KCSubTypeElement.FromBasicCtype('ri_child_user_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 96), KCSubTypeElement.FromBasicCtype('ri_child_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 104), KCSubTypeElement.FromBasicCtype('ri_child_pkg_idle_wkups', KCSUBTYPE_TYPE.KC_ST_UINT64, 112), KCSubTypeElement.FromBasicCtype('ri_child_interrupt_wkups', KCSUBTYPE_TYPE.KC_ST_UINT64, 120), KCSubTypeElement.FromBasicCtype('ri_child_pageins', KCSUBTYPE_TYPE.KC_ST_UINT64, 128), KCSubTypeElement.FromBasicCtype('ri_child_elapsed_abstime', KCSUBTYPE_TYPE.KC_ST_UINT64, 136), KCSubTypeElement.FromBasicCtype('ri_diskio_bytesread', KCSUBTYPE_TYPE.KC_ST_UINT64, 144), KCSubTypeElement.FromBasicCtype('ri_diskio_byteswritten', KCSUBTYPE_TYPE.KC_ST_UINT64, 152), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_default', KCSUBTYPE_TYPE.KC_ST_UINT64, 160), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_maintenance', KCSUBTYPE_TYPE.KC_ST_UINT64, 168), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_background', KCSUBTYPE_TYPE.KC_ST_UINT64, 176), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_utility', KCSUBTYPE_TYPE.KC_ST_UINT64, 184), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_legacy', KCSUBTYPE_TYPE.KC_ST_UINT64, 192), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_user_initiated', KCSUBTYPE_TYPE.KC_ST_UINT64, 200), KCSubTypeElement.FromBasicCtype('ri_cpu_time_qos_user_interactive', KCSUBTYPE_TYPE.KC_ST_UINT64, 208), KCSubTypeElement.FromBasicCtype('ri_billed_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 216), KCSubTypeElement.FromBasicCtype('ri_serviced_system_time', KCSUBTYPE_TYPE.KC_ST_UINT64, 224) ), 'rusage_info_v3') def GetSecondsFromMATime(mat, tb): return (float(mat) * tb['numerator']) / tb['denominator'] def FindLibraryForAddress(liblist, address): current_lib = None for l in liblist: if address >= l[1]: current_lib = l return current_lib def FindIndexOfLibInCatalog(catalog, lib): index = None i = 0 for l in catalog: if l[0] == lib[0] and l[1] == lib[1]: index = i break i += 1 if index is None: catalog.append(lib) index = len(catalog) - 1 return index def GetOffsetOfAddressForLib(lib, address): return (address - lib[1]) def GetSymbolInfoForFrame(catalog, liblist, address): lib = FindLibraryForAddress(liblist, address) if not lib: lib = ["00000000000000000000000000000000",0,"A"] offset = GetOffsetOfAddressForLib(lib, address) index = FindIndexOfLibInCatalog(catalog, lib) return [index, offset] def GetStateDescription(s): retval = [] TH_WAIT = 0x01 TH_SUSP = 0x02 TH_RUN = 0x04 TH_UNINT = 0x08 TH_TERMINATE = 0x10 TH_TERMINATE2 = 0x20 TH_IDLE = 0x80 if (s & TH_WAIT): retval.append("TH_WAIT") if (s & TH_SUSP): retval.append("TH_SUSP") if (s & TH_RUN): retval.append("TH_RUN") if (s & TH_UNINT): retval.append("TH_UNINT") if (s & TH_TERMINATE): retval.append("TH_TERMINATE") if (s & TH_TERMINATE2): retval.append("TH_TERMINATE2") if (s & TH_IDLE): retval.append("TH_IDLE") return retval def SaveStackshotReport(j, outfile_name, dsc_uuid, dsc_libs_arr): import time from operator import itemgetter, attrgetter ss = j.get('KCDATA_BUFFER_BEGIN_STACKSHOT') if not ss: print "No KCDATA_BUFFER_BEGIN_STACKSHOT object found. Skipping writing report." return timestamp = ss.get('usecs_since_epoch', int(time.time())) timestamp = time.strftime("%Y-%m-%d %H:%M:%S %z",time.gmtime(timestamp)) os_version = ss.get('osversion', 'Unknown') timebase = ss.get('timebase_info', {"denominator": 1, "numerator": 1}) dsc_common = [ss.get('shared_cache_dyld_info')['imageUUID'].strip('<>'), ss.get('shared_cache_dyld_info')['loadAddress'], "C" ] dsc_libs = [] if dsc_common[0].replace('-', '').lower() == dsc_uuid: print "SUCCESS: Found Matching dyld shared cache uuid. Loading library load addresses from layout provided." _load_addr = dsc_common[1] #print _load_addr #print dsc_libs_arr for i in dsc_libs_arr: _uuid = i[2].lower().replace('-','').strip() _addr = int(i[0], 16) + _load_addr dsc_libs.append([_uuid, _addr, "P"]) #print "adding ", [_uuid, _addr, "C"] AllImageCatalog = [] obj = {} obj["kernel"] = os_version obj["date"] = timestamp obj["reason"] = "kernel panic stackshot" obj["incident"] = "ABCDEFGH-1234-56IJ-789K-0LMNOPQRSTUV" obj["crashReporterKey"] = "12ab34cd45aabbccdd6712ab34cd45aabbccdd67" obj["bootArgs"] = ss.get('bootargs','') obj["frontmostPids"] = [0] obj["exception"] = "0xDEADF157" obj["processByPid"] = {} processByPid = obj["processByPid"] ssplist = ss.get('STACKSHOT_KCCONTAINER_TASK', {}) kern_load_info = [] if "0" in ssplist: kl_infos = ssplist["0"].get("dyld_load_info", []) for dlinfo in kl_infos: kern_load_info.append([dlinfo['imageUUID'].strip('<>'), dlinfo['loadAddress'], "K"]) for pid,piddata in ssplist.iteritems(): processByPid[str(pid)] = {} tsnap = processByPid[str(pid)] pr_lib_dsc = dsc_common if 'shared_cache_dyld_info' in tsnap: pr_lib_dsc = [tsnap.get('shared_cache_dyld_info')['imageUUID'].strip('<>'), tsnap.get('shared_cache_dyld_info')['loadAddress'], "C" ] pr_libs = [] if len(dsc_libs) == 0: pr_libs.append(pr_lib_dsc) _lib_type = "P" if int(pid) == 0: _lib_type = "K" pr_libs = [] else: for dlinfo in piddata.get('dyld_load_info',[]): pr_libs.append([dlinfo['imageUUID'].strip('<>'), dlinfo['loadAddress'], _lib_type]) pr_libs.extend(kern_load_info) pr_libs.extend(dsc_libs) pr_libs.sort(key=itemgetter(1)) tasksnap = piddata['task_snapshot_v2'] tsnap["pid"] = tasksnap["pid"] tsnap["residentMemoryBytes"] = tasksnap["task_size"] tsnap["timesDidThrottle"] = tasksnap["did_throttle"] tsnap["systemTimeTask"] = GetSecondsFromMATime(tasksnap["system_time_in_terminated_threads"], timebase) tsnap["pageIns"] = tasksnap["pageins"] tsnap["pageFaults"] = tasksnap["faults"] tsnap["userTimeTask"] = GetSecondsFromMATime(tasksnap["user_time_in_terminated_threads"], timebase) tsnap["procname"] = tasksnap["p_comm"] tsnap["copyOnWriteFaults"] = tasksnap["cow_faults"] tsnap["timesThrottled"] = tasksnap["was_throttled"] tsnap["threadById"] = {} threadByID = tsnap["threadById"] thlist = piddata.get('STACKSHOT_KCCONTAINER_THREAD', {}) for tid,thdata in thlist.iteritems(): threadByID[str(tid)] = {} thsnap = threadByID[str(tid)] threadsnap = thdata["thread_snapshot_v2"] thsnap["userTime"] = GetSecondsFromMATime(threadsnap["user_time"], timebase) thsnap["id"] = threadsnap["thread_id"] thsnap["basePriority"] = threadsnap["base_priority"] thsnap["systemTime"] = threadsnap["sys_time"] thsnap["schedPriority"] = threadsnap["sched_priority"] thsnap["state"] = GetStateDescription(threadsnap['state']) thsnap["qosEffective"] = threadsnap["ts_eqos"] thsnap["qosRequested"] = threadsnap["ts_rqos"] if threadsnap['continuation']: thsnap["continuation"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['continuation']) if "kernel_stack_frames" in thdata: kuserframes = [] for f in thdata["kernel_stack_frames"]: kuserframes.append(GetSymbolInfoForFrame(AllImageCatalog, pr_libs, f['lr'])) thsnap["kernelFrames"] = kuserframes if "user_stack_frames" in thdata: uframes = [] for f in thdata["user_stack_frames"]: uframes.append(GetSymbolInfoForFrame(AllImageCatalog, pr_libs, f['lr'])) thsnap["userFrames"] = uframes if threadsnap['wait_event']: thsnap["waitEvent"] = GetSymbolInfoForFrame(AllImageCatalog, pr_libs, threadsnap['wait_event']) obj['binaryImages'] = AllImageCatalog fh = open(outfile_name, "w") fh.write('{"bug_type":"288", "timestamp":"'+ timestamp +'", "os_version":"'+ os_version +'"}\n') fh.write(json.dumps(obj, sort_keys=False, indent=2, separators=(',', ': '))) fh.close() ## Base utils for interacting with shell ## def RunCommand(bash_cmd_string, get_stderr = True): """ returns: (int,str) : exit_code and output_str """ print "RUNNING: %s" % bash_cmd_string cmd_args = shlex.split(bash_cmd_string) output_str = "" exit_code = 0 try: if get_stderr: output_str = subprocess.check_output(cmd_args, stderr=subprocess.STDOUT) else: output_str = subprocess.check_output(cmd_args, stderr=None) except subprocess.CalledProcessError, e: exit_code = e.returncode finally: return (exit_code, output_str) def ProcessDyldSharedCacheFile(shared_cache_file_path, sdk_str=""): """ returns (uuid, text_info) output from shared_cache_util. In case of error None is returned and err message is printed to stdout. """ if not os.path.exists(shared_cache_file_path): print "File path: %s does not exists" % shared_cache_file_path return None if sdk_str: sdk_str = ' -sdk "%s" ' % sdk_str (c, so) = RunCommand("xcrun {} -find dyld_shared_cache_util".format(sdk_str)) if c: print "Failed to find path to dyld_shared_cache_util. Exit code: %d , message: %s" % (c,so) return None dyld_shared_cache_util = so.strip() (c, so) = RunCommand("{} -info {}".format(dyld_shared_cache_util, shared_cache_file_path)) if c: print "Failed to get uuid info from %s" % shared_cache_file_path print so return None uuid = so.splitlines()[0].split(": ")[-1].strip().replace("-","").lower() (c, so) = RunCommand("{} -text_info {}".format(dyld_shared_cache_util, shared_cache_file_path)) if c: print "Failed to get text_info from %s" % shared_cache_file_path print so return None print "Found %s uuid: %s" % (shared_cache_file_path, uuid) text_info = so return (uuid, so) parser = argparse.ArgumentParser(description="Decode a kcdata binary file.") parser.add_argument("-l", "--listtypes", action="store_true", required=False, default=False, help="List all known types", dest="list_known_types") parser.add_argument("-s", "--stackshot", required=False, default=False, help="Generate a stackshot report file", dest="stackshot_file") parser.add_argument("-U", "--uuid", required=False, default="", help="UUID of dyld shared cache to be analysed and filled in libs of stackshot report", dest="uuid") parser.add_argument("-L", "--layout", required=False, type=argparse.FileType("r"), help="Path to layout file for DyldSharedCache. You can generate one by doing \n\tbash$xcrun -sdk <sdk> dyld_shared_cache_util -text_info </path/to/dyld_shared_cache> ", dest="layout") parser.add_argument("-S", "--sdk", required=False, default="", help="sdk property passed to xcrun command to find the required tools. Default is empty string.", dest="sdk") parser.add_argument("-D", "--dyld_shared_cache", required=False, default="", help="Path to dyld_shared_cache built by B&I", dest="dsc") parser.add_argument("kcdata_file", type=argparse.FileType('r'), help="Path to a kcdata binary file.") if __name__ == '__main__': args = parser.parse_args() if args.list_known_types: for (n, t) in KNOWN_TYPES_COLLECTION.items(): print "%d : %s " % (n, str(t)) sys.exit(1) file_name = args.kcdata_file.name master_objs = [] master_container = None current_container = None for i in kcdata_item_iterator(file_name): #print "processed " + str(i) o = KCObject.FromKCItem(i) if o.IsContainerType(): o = KCContainerObject(i.i_type, i.i_data, i.i_flags) if current_container is None: master_objs.append(o) current_container = o master_container = o else: current_container.AddObject(o) if o.IsContainerType(): master_objs.append(current_container) current_container = o if o.IsContainerEnd(): current_container = master_objs.pop() str_data = "{" + master_container.GetJsonRepr() + "}" try: json_obj = json.loads(str_data) dsc_uuid = None dsc_libs_arr = [] libs_re = re.compile("^\s*(0x[a-fA-F0-9]+)\s->\s(0x[a-fA-F0-9]+)\s+<([a-fA-F0-9\-]+)>\s+.*$", re.MULTILINE) if args.uuid and args.layout: dsc_uuid = args.uuid.strip().replace("-",'').lower() dsc_libs_arr = libs_re.findall(args.layout.read()) if args.dsc: _ret = ProcessDyldSharedCacheFile(args.dsc, args.sdk) if _ret: dsc_uuid = _ret[0] dsc_libs_arr = libs_re.findall(_ret[1]) if args.stackshot_file: SaveStackshotReport(json_obj, args.stackshot_file, dsc_uuid, dsc_libs_arr) else: print json.dumps(json_obj, sort_keys=True, indent=4, separators=(',', ': ')) except Exception, e: raise print e print "--------------------------------------------"*3 print str_data |