X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4bd07ac2140668789aa3ee8ec4dde4a3e0a3bba5..bca245acd4c03fd752d1a45f011ad495e60fe53d:/tools/lldbmacros/process.py diff --git a/tools/lldbmacros/process.py b/tools/lldbmacros/process.py old mode 100644 new mode 100755 index e2ddb8e3d..3a107da8b --- a/tools/lldbmacros/process.py +++ b/tools/lldbmacros/process.py @@ -9,6 +9,7 @@ from utils import * from core.lazytarget import * import time import xnudefines +import memory def GetProcNameForTask(task): """ returns a string name of the process. if proc is not valid "unknown" is returned @@ -170,22 +171,27 @@ def GetASTSummary(ast): B - AST_BSD K - AST_KPERF M - AST_MACF - C - AST_CHUD - C - AST_CHUD_URGENT + r - AST_RESET_PCS G - AST_GUARD T - AST_TELEMETRY_USER T - AST_TELEMETRY_KERNEL T - AST_TELEMETRY_WINDOWED S - AST_SFI + D - AST_DTRACE + I - AST_TELEMETRY_IO + E - AST_KEVENT + R - AST_REBALANCE + N - AST_UNQUIESCE """ out_string = "" state = int(ast) thread_state_chars = {0x0:'', 0x1:'P', 0x2:'Q', 0x4:'U', 0x8:'H', 0x10:'Y', 0x20:'A', - 0x40:'L', 0x80:'B', 0x100:'K', 0x200:'M', 0x400:'C', 0x800:'C', - 0x1000:'G', 0x2000:'T', 0x4000:'T', 0x8000:'T', 0x10000:'S'} + 0x40:'L', 0x80:'B', 0x100:'K', 0x200:'M', 0x400: 'r', + 0x1000:'G', 0x2000:'T', 0x4000:'T', 0x8000:'T', 0x10000:'S', + 0x20000: 'D', 0x40000: 'I', 0x80000: 'E', 0x100000: 'R', 0x200000: 'N'} state_str = '' mask = 0x1 - while mask <= 0x10000: + while mask <= 0x80000: state_str += thread_state_chars[int(state & mask)] mask = mask << 1 @@ -216,6 +222,8 @@ def GetTaskSummary(task, showcorpse=False): task_flags = '' if hasattr(task, "suppression_generation") and (int(task.suppression_generation) & 0x1) == 0x1: task_flags += 'P' + if hasattr(task, "effective_policy") and int(task.effective_policy.tep_sup_active) == 1: + task_flags += 'N' if hasattr(task, "suspend_count") and int(task.suspend_count) > 0: task_flags += 'S' if hasattr(task, 'task_imp_base') and unsigned(task.task_imp_base): @@ -238,6 +246,19 @@ def GetTaskSummary(task, showcorpse=False): out_string += " " + GetKCDataSummary(task.corpse_info) return out_string +def GetThreadName(thread): + """ Get the name of a thread, if possible. Returns the empty string + otherwise. + """ + if int(thread.uthread) != 0: + uthread = Cast(thread.uthread, 'uthread *') + if int(uthread.pth_name) != 0 : + th_name_strval = Cast(uthread.pth_name, 'char *') + if len(str(th_name_strval)) > 0 : + return str(th_name_strval) + + return '' + @lldb_type_summary(['thread *', 'thread_t']) @header("{0: <24s} {1: <10s} {2: <20s} {3: <6s} {4: <6s} {5: <15s} {6: <15s} {7: <8s} {8: <12s} {9: <32s} {10: <20s} {11: <20s} {12: <20s}".format('thread', 'thread_id', 'processor', 'base', 'pri', 'sched_mode', 'io_policy', 'state', 'ast', 'waitq', 'wait_event', 'wmesg', 'thread_name')) def GetThreadSummary(thread): @@ -257,7 +278,6 @@ def GetThreadSummary(thread): policy flags: B - darwinbg - L - lowpri cpu T - IO throttle P - IO passive D - Terminated @@ -268,7 +288,6 @@ def GetThreadSummary(thread): if int(thread.static_param) : thread_ptr_str+="[WQ]" thread_id = hex(thread.thread_id) - thread_name = '' processor = hex(thread.last_processor) base_priority = str(int(thread.base_pri)) sched_priority = str(int(thread.sched_pri)) @@ -289,14 +308,10 @@ def GetThreadSummary(thread): sched_mode+=" BG" io_policy_str = "" + thread_name = GetThreadName(thread) if int(thread.uthread) != 0: uthread = Cast(thread.uthread, 'uthread *') - #check for thread name - if int(uthread.pth_name) != 0 : - th_name_strval = Cast(uthread.pth_name, 'char *') - if len(str(th_name_strval)) > 0 : - thread_name = str(th_name_strval) - + #check for io_policy flags if int(uthread.uu_flag) & 0x400: io_policy_str+='RAGE ' @@ -305,16 +320,13 @@ def GetThreadSummary(thread): io_policy_str = "" - if int(thread.effective_policy.darwinbg) != 0: + if int(thread.effective_policy.thep_darwinbg) != 0: io_policy_str += "B" - if int(thread.effective_policy.lowpri_cpu) != 0: - io_policy_str += "L" - - if int(thread.effective_policy.io_tier) != 0: + if int(thread.effective_policy.thep_io_tier) != 0: io_policy_str += "T" - if int(thread.effective_policy.io_passive) != 0: + if int(thread.effective_policy.thep_io_passive) != 0: io_policy_str += "P" - if int(thread.effective_policy.terminated) != 0: + if int(thread.effective_policy.thep_terminated) != 0: io_policy_str += "D" state = int(thread.state) @@ -376,6 +388,8 @@ def GetCoalitionFlagString(coal): flags.append('reaped') if (coal.notified): flags.append('notified') + if (coal.efficient): + flags.append('efficient') return "|".join(flags) def GetCoalitionTasks(queue, coal_type, thread_details=False): @@ -401,7 +415,7 @@ def GetCoalitionTasks(queue, coal_type, thread_details=False): tasks = [] field_name = 'task_coalition' for task in IterateLinkageChain(queue, 'task *', field_name, coal_type * sizeof('queue_chain_t')): - task_str = "({0: vHUMAN: verbose = True if not cmd_args: - print "No arguments passed" - print ShowCoalitionInfo.__doc__ - return False + raise ArgumentError("No arguments passed") coal = kern.GetValueFromAddress(cmd_args[0], 'coalition *') if not coal: print "unknown arguments:", str(cmd_args) @@ -532,6 +554,34 @@ def ShowAllCoalitions(cmd_args=None): # EndMacro: showallcoalitions +# Macro: showallthreadgroups + +@lldb_type_summary(['struct thread_group *', 'thread_group *']) +@header("{0: <20s} {1: <5s} {2: <16s} {3: <5s} {4: <8s} {5: <20s}".format("thread_group", "id", "name", "refc", "flags", "recommendation")) +def GetThreadGroupSummary(tg): + if unsigned(tg) == 0: + return '{0: <#020x} {1: <5d} {2: <16s} {3: <5d} {4: <8s} {5: <20d}'.format(0, -1, "", -1, "", -1) + out_string = "" + format_string = '{0: <#020x} {1: <5d} {2: <16s} {3: <5d} {4: <8s} {5: <20d}' + tg_flags = '' + if (tg.tg_flags & 0x1): + tg_flags += 'E' + if (tg.tg_flags & 0x2): + tg_flags += 'U' + out_string += format_string.format(tg, tg.tg_id, tg.tg_name, tg.tg_refcount, tg_flags, tg.tg_recommendation) + return out_string + +@lldb_command('showallthreadgroups') +def ShowAllThreadGroups(cmd_args=None): + """ Print a summary listing of all thread groups + """ + global kern + print GetThreadGroupSummary.header + for tg in kern.thread_groups: + print GetThreadGroupSummary(tg) + +# EndMacro: showallthreadgroups + # Macro: showtaskcoalitions @lldb_command('showtaskcoalitions', 'F:') @@ -556,7 +606,7 @@ def ShowTaskCoalitions(cmd_args=None, cmd_options={}): # EndMacro: showtaskcoalitions @lldb_type_summary(['proc', 'proc *']) -@header("{0: >6s} {1: ^20s} {2: >14s} {3: ^10s} {4: <20s}".format("pid", "process", "io_policy", "wq_state", "command")) +@header("{0: >6s} {1: <18s} {2: >11s} {3: ^10s} {4: <20s}".format("pid", "process", "io_policy", "wq_state", "command")) def GetProcSummary(proc): """ Summarize the process data. params: @@ -565,7 +615,7 @@ def GetProcSummary(proc): str - string summary of the process. """ out_string = "" - format_string= "{0: >6d} {1: >#020x} {2: >14s} {3: >2d} {4: >2d} {5: >2d} {6: <20s}" + format_string= "{0: >6d} {1: <#018x} {2: >11s} {3: >2d} {4: >2d} {5: >2d} {6: <20s}" pval = proc.GetSBValue() #code.interact(local=locals()) if str(pval.GetType()) != str(gettype('proc *')) : @@ -583,23 +633,21 @@ def GetProcSummary(proc): io_policy_str = "" - if int(task.effective_policy.darwinbg) != 0: + if int(task.effective_policy.tep_darwinbg) != 0: io_policy_str += "B" - if int(task.effective_policy.lowpri_cpu) != 0: + if int(task.effective_policy.tep_lowpri_cpu) != 0: io_policy_str += "L" - if int(task.effective_policy.io_tier) != 0: + if int(task.effective_policy.tep_io_tier) != 0: io_policy_str += "T" - if int(task.effective_policy.io_passive) != 0: + if int(task.effective_policy.tep_io_passive) != 0: io_policy_str += "P" - if int(task.effective_policy.terminated) != 0: + if int(task.effective_policy.tep_terminated) != 0: io_policy_str += "D" - if int(task.effective_policy.t_suspended) != 0: - io_policy_str += "S" - if int(task.effective_policy.t_latency_qos) != 0: + if int(task.effective_policy.tep_latency_qos) != 0: io_policy_str += "Q" - if int(task.effective_policy.t_sup_active) != 0: + if int(task.effective_policy.tep_sup_active) != 0: io_policy_str += "A" @@ -618,6 +666,12 @@ def GetProcSummary(proc): wq_idle_threads = -1 wq_req_threads = -1 process_name = str(proc.p_comm) + if process_name == 'xpcproxy': + for thread in IterateQueue(task.threads, 'thread *', 'task_threads'): + thread_name = GetThreadName(thread) + if thread_name: + process_name += ' (' + thread_name + ')' + break out_string += format_string.format(pid, proc_addr, " ".join([proc_rage_str, io_policy_str]), wq_num_threads, wq_idle_threads, wq_req_threads, process_name) return out_string @@ -637,47 +691,6 @@ def GetTTYDevSummary(tty_dev): out_string += format_string.format(tty_dev, tty_dev.master, tty_dev.slave, open_fn, free_fn, name_fn, revoke_fn) return out_string -@lldb_type_summary(['kqueue *']) -@header("{: <20s} {: <20s} {: <6s} {: <20s} {: <10s}".format('kqueue', 'process', '#events', 'wqs', 'state')) -def GetKQueueSummary(kq): - """ summarizes kqueue information - returns: str - summary of kqueue - """ - out_string = "" - format_string = "{o: <#020x} {o.kq_p: <#020x} {o.kq_count: <6d} {o.kq_wqs: <#020x} {st_str: <10s}" - state = int(kq.kq_state) - state_str = '' - mask = 0x1 - while mask <= 0x80 : - if int(state & mask): - state_str += ' ' + xnudefines.kq_state_strings[int(state & mask)] - mask = mask << 1 - out_string += format_string.format(o=kq, st_str=state_str) - out_string += "\n" + GetKnoteSummary.header - for kn in IterateTAILQ_HEAD(kq.kq_head, 'kn_tqe'): - out_string += "\n" + GetKnoteSummary(kn) - return out_string - -@lldb_type_summary(['knote *']) -@header("{0: <20s} {1: <10s} {2: <10s} {3: <20s} {4: <20s} {5: <30s}".format('knote', 'ident', 'kev_flags', 'kn_kq', 'filtops', ' status')) -def GetKnoteSummary(kn): - """ Summarizes a knote and related information - returns: str - summary of knote - """ - out_string = "" - format_string = "{o: <#020x} {o.kn_kevent.ident: <#010X} {o.kn_kevent.flags: <#010X} {o.kn_kq: <#020X} {ops_str: <20s} {st_str: <30s}" - state = unsigned(kn.kn_status) - fops_str = kern.Symbolicate(unsigned(kn.kn_fop)) - mask = 0x1 - status_desc = '' - while mask <= 0x40: - if state & mask: - status_desc += ' ' + xnudefines.kn_state_strings[int(state & mask)] - mask = mask << 1 - - out_string += format_string.format(o=kn, st_str=status_desc, ops_str=fops_str) - return out_string - # Macro: showtask @lldb_command('showtask', 'F:') @@ -713,9 +726,7 @@ def ShowPid(cmd_args=None): Usage: showpid """ if not cmd_args: - print "No arguments passed" - print ShowPid.__doc__ - return False + raise ArgumentError("No arguments passed") pidval = ArgumentStringToInt(cmd_args[0]) for t in kern.tasks: pval = Cast(t.bsd_info, 'proc *') @@ -734,9 +745,7 @@ def ShowProc(cmd_args=None): Usage: showproc
""" if not cmd_args: - print "No arguments passed" - print ShowProc.__doc__ - return False + raise ArgumentError("No arguments passed") pval = kern.GetValueFromAddress(cmd_args[0], 'proc *') if not pval: print "unknown arguments:", str(cmd_args) @@ -756,9 +765,7 @@ def ShowProcInfo(cmd_args=None): Usage: showprocinfo
""" if not cmd_args: - print "No arguments passed" - print ShowProcInfo.__doc__ - return False + raise ArgumentError("No arguments passed") pval = kern.GetValueFromAddress(cmd_args[0], 'proc *') if not pval: print "unknown arguments:", str(cmd_args) @@ -788,17 +795,6 @@ def ShowProcFiles(cmd_args=None): print "{0:-<5s} {0:-<18s} {0:-<10s} {0:-<8s} {0:-<18s} {0:-<64s}".format("") count = 0 - # Filetype map - filetype_dict = { - 1: 'VNODE', - 2: 'SOCKET', - 3: 'PSXSHM', - 4: 'PSXSEM', - 5: 'KQUEUE', - 6: 'PIPE', - 7: 'FSEVENTS' - } - while count <= proc_lastfile: if unsigned(proc_ofiles[count]) != 0: out_str = '' @@ -808,8 +804,8 @@ def ShowProcFiles(cmd_args=None): out_str += "{0: <#18x} ".format(unsigned(proc_fd_fglob)) out_str += "0x{0:0>8x} ".format(unsigned(proc_fd_flags)) proc_fd_ftype = unsigned(proc_fd_fglob.fg_ops.fo_type) - if proc_fd_ftype in filetype_dict: - out_str += "{0: <8s} ".format(filetype_dict[proc_fd_ftype]) + if proc_fd_ftype in xnudefines.filetype_strings: + out_str += "{0: <8s} ".format(xnudefines.filetype_strings[proc_fd_ftype]) else: out_str += "?: {0: <5d} ".format(proc_fd_ftype) out_str += "{0: <#18x} ".format(unsigned(proc_fd_fglob.fg_data)) @@ -822,66 +818,6 @@ def ShowProcFiles(cmd_args=None): #EndMacro: showprocfiles - -def GetProcKqueues(proc): - filetype_KQUEUE = 5 - - proc_filedesc = proc.p_fd - proc_lastfile = unsigned(proc_filedesc.fd_lastfile) - proc_ofiles = proc_filedesc.fd_ofiles - - queues = list() - - if unsigned(proc_ofiles) == 0: - return queues - - count = 0 - - while count <= proc_lastfile: - if unsigned(proc_ofiles[count]) != 0: - proc_fd_flags = proc_ofiles[count].f_flags - proc_fd_fglob = proc_ofiles[count].f_fglob - proc_fd_ftype = unsigned(proc_fd_fglob.fg_ops.fo_type) - if proc_fd_ftype == filetype_KQUEUE: - q = Cast(proc_fd_fglob.fg_data, 'struct kqueue *') - queues.append(q) - count += 1 - - return queues - -def GetAllKqueues(): - for t in kern.tasks: - if unsigned(t.bsd_info) == 0: - continue - pval = Cast(t.bsd_info, 'proc *') - for kq in GetProcKqueues(pval): - yield kq - -#Macro: showallkqueues -@lldb_command('showallkqueues' ,'') -def ShowAllKqueues(cmd_args=[], cmd_options={}): - """ Display a summary of all the kqueues in the system """ - for kq in GetAllKqueues(): - print GetKQueueSummary.header - print GetKQueueSummary(kq) - print "\n\n" -#EndMacro: showallkqueues - -#Macro: showkqueue -@lldb_command('showkqueue' ,'') -def ShowKQueue(cmd_args=[], cmd_options={}): - """ Given a struct kqueue pointer, display the summary of the kqueue - Usage: (lldb) showkqueue - """ - if not cmd_args: - raise ArgumentError('Invalid arguments') - - kq = kern.GetValueFromAddress(cmd_args[0], 'struct kqueue *') - print GetKQueueSummary.header - print GetKQueueSummary(kq) - -#EndMacro: showkqueue - #Macro: showtty @lldb_command('showtty') @@ -980,7 +916,7 @@ def DumpThreadTerminateQueue(cmd_args=None): count = 0 print GetThreadSummary.header - for th in IterateQueue(addressof(kern.globals.thread_terminate_queue), 'struct thread *', 'q_link'): + for th in IterateMPSCQueue(addressof(kern.globals.thread_terminate_queue.mpd_queue), 'struct thread', 'mpsc_links'): print GetThreadSummary(th) count += 1 print "{0: 20d} {2: >20d} {3: >20d} {4: >20d} {5: <20s}".format(t, - t.task_immediate_writes, - t.task_deferred_writes, - t.task_invalidated_writes, - t.task_metadata_writes, + print "{0: <#18x} {1: >20d} {2: >20d} {3: >20d} {4: >20d} {5: <20s} {6: <20s} {7: <20s} {8: <20s} {9: <20s}".format(t, + t.task_writes_counters_internal.task_immediate_writes, + t.task_writes_counters_internal.task_deferred_writes, + t.task_writes_counters_internal.task_invalidated_writes, + t.task_writes_counters_internal.task_metadata_writes, + t.task_writes_counters_external.task_immediate_writes, + t.task_writes_counters_external.task_deferred_writes, + t.task_writes_counters_external.task_invalidated_writes, + t.task_writes_counters_external.task_metadata_writes, str(pval.p_comm)) -@lldb_command('showalltasks','C') -def ShowAllTasks(cmd_args=None, cmd_options={}): +@lldb_command('showalltasks','C', fancy=True) +def ShowAllTasks(cmd_args=None, cmd_options={}, O=None): """ Routine to print a summary listing of all the tasks wq_state -> reports "number of workq threads", "number of scheduled workq threads", "number of pending work items" if "number of pending work items" seems stuck at non-zero, it may indicate that the workqueue mechanism is hung @@ -1059,13 +999,30 @@ def ShowAllTasks(cmd_args=None, cmd_options={}): showcorpse = True extra_hdr += " " + GetKCDataSummary.header - print GetTaskSummary.header + extra_hdr + " " + GetProcSummary.header - for t in kern.tasks: - pval = Cast(t.bsd_info, 'proc *') - out_str = GetTaskSummary(t, showcorpse) + " " + GetProcSummary(pval) - print out_str + with O.table(GetTaskSummary.header + extra_hdr + " " + GetProcSummary.header): + for t in kern.tasks: + pval = Cast(t.bsd_info, 'proc *') + print GetTaskSummary(t, showcorpse) + " " + GetProcSummary(pval) + ZombTasks() +@lldb_command('taskforpmap') +def TaskForPmap(cmd_args=None): + """ Find the task whose pmap corresponds to . + Syntax: (lldb) taskforpmap + Multiple -v's can be specified for increased verbosity + """ + if cmd_args == None or len(cmd_args) < 1: + raise ArgumentError("Too few arguments to taskforpmap.") + pmap = kern.GetValueFromAddress(cmd_args[0], 'pmap_t') + print GetTaskSummary.header + " " + GetProcSummary.header + for tasklist in [kern.tasks, kern.terminated_tasks]: + for t in tasklist: + if t.map.pmap == pmap: + pval = Cast(t.bsd_info, 'proc *') + out_str = GetTaskSummary(t) + " " + GetProcSummary(pval) + print out_str + @lldb_command('showterminatedtasks') def ShowTerminatedTasks(cmd_args=None): """ Routine to print a summary listing of all the terminated tasks @@ -1144,6 +1101,52 @@ def ShowTaskStacksCmdHelper(cmd_args=None, cmd_options={}): # EndMacro: showtaskstacks +def CheckTaskProcRefs(task, proc): + for thread in IterateQueue(task.threads, 'thread *', 'task_threads'): + if int(thread.uthread) == 0: + continue + uthread = Cast(thread.uthread, 'uthread *') + refcount = int(uthread.uu_proc_refcount) + uu_ref_index = int(uthread.uu_pindex) + if refcount == 0: + continue + for ref in range(0, uu_ref_index): + if unsigned(uthread.uu_proc_ps[ref]) == unsigned(proc): + print GetTaskSummary.header + " " + GetProcSummary.header + pval = Cast(task.bsd_info, 'proc *') + print GetTaskSummary(task) + " " + GetProcSummary(pval) + print "\t" + GetThreadSummary.header + print "\t" + GetThreadSummary(thread) + "\n" + + for frame in range (0, 10): + trace_addr = unsigned(uthread.uu_proc_pcs[ref][frame]) + symbol_arr = kern.SymbolicateFromAddress(unsigned(trace_addr)) + if symbol_arr: + symbol_str = str(symbol_arr[0].addr) + else: + symbol_str = '' + print '{0: <#x} {1: + """ + if cmd_args == None or len(cmd_args) < 1: + raise ArgumentError("No arguments passed") + + proc = kern.GetValueFromAddress(cmd_args[0], 'proc *') + + for t in kern.tasks: + CheckTaskProcRefs(t, proc) + for t in kern.terminated_tasks: + CheckTaskProcRefs(t, proc) + + return + @lldb_command('showallthreads') def ShowAllThreads(cmd_args = None): """ Display info about all threads in the system @@ -1188,10 +1191,8 @@ def ShowAct(cmd_args=None): """ Routine to print out the state of a specific thread. usage: showact """ - if cmd_args == None or len(cmd_args) < 1: - print "No arguments passed" - print ShowAct.__doc__ - return False + if not cmd_args: + raise ArgumentError("No arguments passed") threadval = kern.GetValueFromAddress(cmd_args[0], 'thread *') print GetThreadSummary.header print GetThreadSummary(threadval) @@ -1201,10 +1202,8 @@ def ShowActStack(cmd_args=None): """ Routine to print out the stack of a specific thread. usage: showactstack """ - if cmd_args == None or len(cmd_args) < 1: - print "No arguments passed" - print ShowAct.__doc__.strip() - return False + if not cmd_args: + raise ArgumentError("No arguments passed") threadval = kern.GetValueFromAddress(cmd_args[0], 'thread *') print GetThreadSummary.header print GetThreadSummary(threadval) @@ -1220,10 +1219,8 @@ def SwitchToAct(cmd_args=None): Before resuming execution, issue a "resetctx" command, to return to the original execution context. """ - if cmd_args == None or len(cmd_args) < 1: - print "No arguments passed" - print SwitchToAct.__doc__.strip() - return False + if cmd_args is None or len(cmd_args) < 1: + raise ArgumentError("No arguments passed") thval = kern.GetValueFromAddress(cmd_args[0], 'thread *') lldbthread = GetLLDBThreadForKernelThread(thval) print GetThreadSummary.header @@ -1331,7 +1328,7 @@ def GetFullBackTrace(frame_addr, verbosity = vHUMAN, prefix = ""): # lldb unable to find symbol for _mh_execute_header mh_execute_addr = int(lldb_run_command('p/x (uintptr_t *)&_mh_execute_header').split('=')[-1].strip(), 16) while frame_ptr and frame_ptr != previous_frame_ptr and bt_count < 128: - if (kern.arch not in ('arm', 'arm64') and frame_ptr < mh_execute_addr) or (kern.arch in ('arm', 'arm64') and frame_ptr > mh_execute_addr): + if (not kern.arch.startswith('arm') and frame_ptr < mh_execute_addr) or (kern.arch.startswith('arm') and frame_ptr > mh_execute_addr): break pc_val = kern.GetValueFromAddress(frame_ptr + kern.ptrsize,'uintptr_t *') pc_val = unsigned(dereference(pc_val)) @@ -1462,8 +1459,6 @@ def ShowThreadForTid(cmd_args=None): return print "Not a valid thread_id" -# Macro: showallprocessors - def GetProcessorSummary(processor): """ Internal function to print summary of processor params: processor - value representing struct processor * @@ -1512,240 +1507,7 @@ def GetProcessorSummary(processor): preemption_disable_str) return out_str -def GetGroupSetSummary(runq, task_map): - """ Internal function to print summary of group run queue - params: runq - value representing struct run_queue * - return: str - representing the details of given run_queue - """ - out_str = " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, runq.highq, runq.urgency) - - runq_queue_i = 0 - runq_queue_count = sizeof(runq.queues)/sizeof(runq.queues[0]) - - for runq_queue_i in range(runq_queue_count) : - runq_queue_head = addressof(runq.queues[runq_queue_i]) - runq_queue_p = runq_queue_head.next - - if unsigned(runq_queue_p) != unsigned(runq_queue_head): - runq_queue_this_count = 0 - - for entry in IterateQueue(runq_queue_head, "sched_entry_t", "links"): - runq_queue_this_count += 1 - - out_str += " Queue [{: <#012x}] Priority {: <3d} count {:d}\n".format(runq_queue_head, runq_queue_i, runq_queue_this_count) - for entry in IterateQueue(runq_queue_head, "sched_entry_t", "links"): - group_addr = unsigned(entry) - (sizeof(dereference(entry)) * unsigned(entry.sched_pri)) - group = kern.GetValueFromAddress(unsigned(group_addr), 'sched_group_t') - task = task_map.get(unsigned(group), 0x0) - if task == 0x0 : - print "Cannot find task for group: {: <#012x}".format(group) - out_str += "\tEntry [{: <#012x}] Priority {: <3d} Group {: <#012x} Task {: <#012x}\n".format(unsigned(entry), entry.sched_pri, unsigned(group), unsigned(task)) - - return out_str - -@lldb_command('showrunq') -def ShowRunq(cmd_args=None): - """ Routine to print information of a runq - Usage: showrunq - """ - out_str = '' - runq = kern.GetValueFromAddress(cmd_args[0], 'struct run_queue *') - out_str += GetRunQSummary(runq) - print out_str - -def GetRunQSummary(runq): - """ Internal function to print summary of run_queue - params: runq - value representing struct run_queue * - return: str - representing the details of given run_queue - """ - out_str = " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, runq.highq, runq.urgency) - - runq_queue_i = 0 - runq_queue_count = sizeof(runq.queues)/sizeof(runq.queues[0]) - - for runq_queue_i in range(runq_queue_count) : - runq_queue_head = addressof(runq.queues[runq_queue_i]) - runq_queue_p = runq_queue_head.next - - if unsigned(runq_queue_p) != unsigned(runq_queue_head): - runq_queue_this_count = 0 - - for thread in IterateQueue(runq_queue_head, "thread_t", "links"): - runq_queue_this_count += 1 - - out_str += " Queue [{: <#012x}] Priority {: <3d} count {:d}\n".format(runq_queue_head, runq_queue_i, runq_queue_this_count) - out_str += "\t" + GetThreadSummary.header + "\n" - for thread in IterateQueue(runq_queue_head, "thread_t", "links"): - out_str += "\t" + GetThreadSummary(thread) + "\n" - if config['verbosity'] > vHUMAN : - out_str += "\t" + GetThreadBackTrace(thread, prefix="\t\t") + "\n" - return out_str - - -def GetGrrrSummary(grrr_runq): - """ Internal function to print summary of grrr_run_queue - params: grrr_runq - value representing struct grrr_run_queue * - return: str - representing the details of given grrr_run_queue - """ - out_str = " GRRR Info: Count {: <10d} Weight {: <10d} Current Group {: <#012x}\n".format(grrr_runq.count, - grrr_runq.weight, grrr_runq.current_group) - grrr_group_i = 0 - grrr_group_count = sizeof(grrr_runq.groups)/sizeof(grrr_runq.groups[0]) - for grrr_group_i in range(grrr_group_count) : - grrr_group = addressof(grrr_runq.groups[grrr_group_i]) - if grrr_group.count > 0: - out_str += " Group {: <3d} [{: <#012x}] ".format(grrr_group.index, grrr_group) - out_str += "Count {:d} Weight {:d}\n".format(grrr_group.count, grrr_group.weight) - grrr_group_client_head = addressof(grrr_group.clients) - out_str += GetThreadSummary.header - for thread in IterateQueue(grrr_group_client_head, "thread_t", "links"): - out_str += "\t" + GetThreadSummary(thread) + "\n" - if config['verbosity'] > vHUMAN : - out_str += "\t" + GetThreadBackTrace(thread, prefix="\t\t") + "\n" - return out_str - -def ShowNextThread(processor): - out_str = "" - if (processor.next_thread != 0) : - out_str += " " + "Next thread:\n" - out_str += "\t" + GetThreadSummary.header + "\n" - out_str += "\t" + GetThreadSummary(processor.next_thread) + "\n" - return out_str - -def ShowActiveThread(processor): - out_str = "" - if (processor.active_thread != 0) : - out_str += "\t" + GetThreadSummary.header + "\n" - out_str += "\t" + GetThreadSummary(processor.active_thread) + "\n" - return out_str - -@lldb_command('showallprocessors') -def ShowAllProcessors(cmd_args=None): - """ Routine to print information of all psets and processors - Usage: showallprocessors - """ - pset = addressof(kern.globals.pset0) - show_grrr = 0 - show_priority_runq = 0 - show_priority_pset_runq = 0 - show_group_pset_runq = 0 - sched_string = str(kern.globals.sched_current_dispatch.sched_name) - - if sched_string == "traditional": - show_priority_runq = 1 - elif sched_string == "traditional_with_pset_runqueue": - show_priority_pset_runq = 1 - elif sched_string == "grrr": - show_grrr = 1 - elif sched_string == "multiq": - show_priority_runq = 1 - show_group_pset_runq = 1 - elif sched_string == "dualq": - show_priority_pset_runq = 1 - show_priority_runq = 1 - else : - print "Unknown sched_string {:s}".format(sched_string) - - out_str = '' - - out_str += "Scheduler: {:s} ({:s})\n".format(sched_string, - kern.Symbolicate(unsigned(kern.globals.sched_current_dispatch))) - - out_str += "Runnable threads: {:d} Timeshare threads: {:d} Background threads: {:d}\n".format( - kern.globals.sched_run_count, kern.globals.sched_share_count, kern.globals.sched_background_count) - - if show_group_pset_runq: - # Create a group->task mapping - task_map = {} - for task in kern.tasks: - task_map[unsigned(task.sched_group)] = task - for task in kern.terminated_tasks: - task_map[unsigned(task.sched_group)] = task - - while unsigned(pset) != 0: - out_str += "Processor Set {: <#012x} Count {:d} (cpu_id {:<#x}-{:<#x})\n".format(pset, - pset.cpu_set_count, pset.cpu_set_low, pset.cpu_set_hi) - - if show_priority_pset_runq: - runq = pset.pset_runq - out_str += GetRunQSummary(runq) - - if show_group_pset_runq: - out_str += "Main Runq:\n" - runq = pset.pset_runq - out_str += GetGroupSetSummary(runq, task_map) - out_str += "All Groups:\n" - # TODO: Possibly output task header for each group - for group in IterateQueue(kern.globals.sched_groups, "sched_group_t", "sched_groups"): - if (group.runq.count != 0) : - task = task_map.get(unsigned(group), "Unknown task!") - out_str += "Group {: <#012x} Task {: <#012x}\n".format(unsigned(group), unsigned(task)) - out_str += GetRunQSummary(group.runq) - - out_str += " Active Processors:\n" - for processor in IterateQueue(pset.active_queue, "processor_t", "processor_queue"): - out_str += " " - out_str += GetProcessorSummary(processor) - out_str += ShowActiveThread(processor) - out_str += ShowNextThread(processor) - - if show_priority_runq: - runq = processor.runq - out_str += GetRunQSummary(runq) - if show_grrr: - grrr_runq = processor.grrr_runq - out_str += GetGrrrSummary(grrr_runq) - - out_str += " Idle Processors:\n" - for processor in IterateQueue(pset.idle_queue, "processor_t", "processor_queue"): - out_str += " " + GetProcessorSummary(processor) - out_str += ShowActiveThread(processor) - out_str += ShowNextThread(processor) - - if show_priority_runq: - out_str += GetRunQSummary(processor.runq) - - out_str += " Idle Secondary Processors:\n" - for processor in IterateQueue(pset.idle_secondary_queue, "processor_t", "processor_queue"): - out_str += " " + GetProcessorSummary(processor) - out_str += ShowActiveThread(processor) - out_str += ShowNextThread(processor) - - if show_priority_runq: - out_str += GetRunQSummary(processor.runq) - - pset = pset.pset_list - - out_str += "\nRealtime Queue ({:<#012x}) Count {:d}\n".format(addressof(kern.globals.rt_runq.queue), kern.globals.rt_runq.count) - if kern.globals.rt_runq.count != 0: - out_str += "\t" + GetThreadSummary.header + "\n" - for rt_runq_thread in IterateQueue(kern.globals.rt_runq.queue, "thread_t", "links"): - out_str += "\t" + GetThreadSummary(rt_runq_thread) + "\n" - - out_str += "\nTerminate Queue: ({:<#012x})\n".format(addressof(kern.globals.thread_terminate_queue)) - first = False - for thread in IterateQueue(kern.globals.thread_terminate_queue, "thread_t", "links"): - if first: - out_str += "\t" + GetThreadSummary.header + "\n" - first = True - out_str += "\t" + GetThreadSummary(thread) + "\n" - - out_str += "\nCrashed Threads Queue: ({:<#012x})\n".format(addressof(kern.globals.crashed_threads_queue)) - first = False - for thread in IterateQueue(kern.globals.crashed_threads_queue, "thread_t", "links"): - if first: - out_str += "\t" + GetThreadSummary.header + "\n" - first = True - out_str += "\t" + GetThreadSummary(thread) + "\n" - - out_str += "\n" - - out_str += "\n" - - print out_str -# EndMacro: showallprocessors - -def GetLedgerEntrySummary(ledger_template, ledger, i): +def GetLedgerEntrySummary(ledger_template, ledger, i, show_footprint_interval_max=False): """ Internal function to get internals of a ledger entry (*not* a ledger itself) params: ledger_template - value representing struct ledger_template_t for the task or thread ledger - value representing struct ledger_entry * @@ -1762,11 +1524,13 @@ def GetLedgerEntrySummary(ledger_template, ledger, i): out_str += "{: >32s} {:<2d}:".format(ledger_template.lt_entries[i].et_key, i) out_str += "{: >15d} ".format(unsigned(ledger.le_credit) - unsigned(ledger.le_debit)) if (ledger.le_flags & lf_tracking_max): - out_str += "{:9d} {:5d} ".format(ledger._le.le_peaks[0].le_max, now - unsigned(ledger._le.le_peaks[0].le_time)) - out_str += "{:9d} {:4d} ".format(ledger._le.le_peaks[1].le_max, now - unsigned(ledger._le.le_peaks[1].le_time)) + if (show_footprint_interval_max): + out_str += "{:12d} ".format(ledger._le._le_max.le_interval_max) + out_str += "{:14d} ".format(ledger._le._le_max.le_lifetime_max) else: - out_str += " - - - - " - + if (show_footprint_interval_max): + out_str += " - " + out_str += " - " out_str += "{:12d} {:12d} ".format(unsigned(ledger.le_credit), unsigned(ledger.le_debit)) if (unsigned(ledger.le_limit) != ledger_limit_infinity): out_str += "{:12d} ".format(unsigned(ledger.le_limit)) @@ -1783,8 +1547,8 @@ def GetLedgerEntrySummary(ledger_template, ledger, i): else: out_str += " - " - if (unsigned(ledger.le_warn_level) != ledger_limit_infinity): - out_str += "{:9d} ".format((unsigned(ledger.le_warn_level) * 100) / unsigned(ledger.le_limit)) + if (unsigned(ledger.le_warn_percent) < 65535): + out_str += "{:9d} ".format(unsigned(ledger.le_warn_percent * 100. / 65536)) else: out_str += " - " @@ -1811,11 +1575,7 @@ def GetThreadLedgerSummary(thread_val): i = i + 1 return out_str -@header("{0: <15s} {1: >16s} {2: <2s} {3: >15s} {4: >9s} {5: >6s} {6: >8s} {7: <10s} {8: <9s} \ - {9: <12s} {10: <7s} {11: <15s} {12: <8s} {13: <9s} {14: <6s} {15: >6s}".format( - "task [thread]", "entry", "#", "balance", "peakA", "(age)", "peakB", "(age)", "credit", - "debit", "limit", "refill period", "lim pct", "warn pct", "over?", "flags")) -def GetTaskLedgers(task_val): +def GetTaskLedgers(task_val, show_footprint_interval_max=False): """ Internal function to get summary of ledger entries from the task and its threads params: task_val - value representing struct task * return: str - formatted output information for ledger entries of the input task @@ -1830,7 +1590,7 @@ def GetTaskLedgers(task_val): else: out_str += "Invalid process:\n" while i != task_ledgerp.l_template.lt_cnt: - out_str += GetLedgerEntrySummary(kern.globals.task_ledger_template, task_ledgerp.l_entries[i], i) + out_str += GetLedgerEntrySummary(kern.globals.task_ledger_template, task_ledgerp.l_entries[i], i, show_footprint_interval_max) i = i + 1 # Now walk threads @@ -1841,11 +1601,14 @@ def GetTaskLedgers(task_val): # Macro: showtaskledgers -@lldb_command('showtaskledgers', 'F:') +@lldb_command('showtaskledgers', 'F:I') def ShowTaskLedgers(cmd_args=None, cmd_options={}): """ Routine to print a summary of ledger entries for the task and all of its threads - Usage: showtaskledgers
- or : showtaskledgers -F + or : showtaskledgers [ -I ] [ -F ] + options: + -I: show footprint interval max (DEV/DEBUG only) + -F: specify task via name instead of address + - """ if "-F" in cmd_options: task_list = FindTasksByName(cmd_options["-F"]) @@ -1856,24 +1619,34 @@ def ShowTaskLedgers(cmd_args=None, cmd_options={}): if not cmd_args: raise ArgumentError("No arguments passed.") + show_footprint_interval_max = False + if "-I" in cmd_options: + show_footprint_interval_max = True tval = kern.GetValueFromAddress(cmd_args[0], 'task *') if not tval: raise ArgumentError("unknown arguments: %r" %cmd_args) - print GetTaskLedgers.header - print GetTaskLedgers(tval) + if (show_footprint_interval_max): + print "{0: <15s} {1: >16s} {2: <2s} {3: >15s} {4: >12s} {5: >14s} {6: >12s} {7: >12s} {8: >12s} {9: <15s} {10: <8s} {11: <9s} {12: <6s} {13: >6s}".format( + "task [thread]", "entry", "#", "balance", "intrvl_max", "lifetime_max", "credit", + "debit", "limit", "refill period", "lim pct", "warn pct", "over?", "flags") + else: + print "{0: <15s} {1: >16s} {2: <2s} {3: >15s} {4: >14s} {5: >12s} {6: >12s} {7: >12s} {8: <15s} {9: <8s} {10: <9s} {11: <6s} {12: >6s}".format( + "task [thread]", "entry", "#", "balance", "lifetime_max", "credit", + "debit", "limit", "refill period", "lim pct", "warn pct", "over?", "flags") + print GetTaskLedgers(tval, show_footprint_interval_max) # EndMacro: showtaskledgers # Macro: showalltaskledgers @lldb_command('showalltaskledgers') -def ShowAllTaskLedgers(cmd_args=None): +def ShowAllTaskLedgers(cmd_args=None, cmd_options={}): """ Routine to print a summary of ledger entries for all tasks and respective threads Usage: showalltaskledgers """ for t in kern.tasks: task_val = unsigned(t) - ShowTaskLedgers([task_val]) + ShowTaskLedgers([task_val], cmd_options=cmd_options) # EndMacro: showalltaskledgers @@ -1936,11 +1709,8 @@ def ShowAllTaskPolicy(cmd_args=None): ["bg_iotier", "bg-iotier"], ["terminated", "terminated"], ["th_pidbind_bg", "bg-pidbind"], - ["th_workq_bg", "bg-workq"], ["t_apptype", "apptype"], ["t_boosted", "boosted"], - ["t_int_gpu_deny", "gpudeny-int"], - ["t_ext_gpu_deny", "gpudeny-ext"], ["t_role", "role"], ["t_tal_enabled", "tal-enabled"], ["t_base_latency_qos", "latency-base"], @@ -1999,25 +1769,9 @@ def ShowAllTaskPolicy(cmd_args=None): else: effective+="" - - pended_strings = [ - ["t_updating_policy", "updating"], - ["update_sockets", "update_sockets"], - ["t_update_timers", "update_timers"], - ["t_update_watchers", "update_watchers"] - ] - - pended="" - for value in pended_strings: - if t.pended_policy.__getattr__(value[0]) : - pended+=value[1] + ": " + str(t.pended_policy.__getattr__(value[0])) + " " - else: - pended+="" - print "requested: " + requested print "suppression: " + suppression print "effective: " + effective - print "pended: " + pended @lldb_type_summary(['wait_queue', 'wait_queue_t']) @@ -2067,4 +1821,270 @@ def ShowSuspendedTasks(cmd_args=[], options={}): print GetTaskSummary(t) + ' ' + GetProcSummary(Cast(t.bsd_info, 'proc *')) return True +# Macro: showallpte +@lldb_command('showallpte') +def ShowAllPte(cmd_args=None): + """ Prints out the physical address of the pte for all tasks + """ + head_taskp = addressof(kern.globals.tasks) + taskp = Cast(head_taskp.next, 'task *') + while taskp != head_taskp: + procp = Cast(taskp.bsd_info, 'proc *') + out_str = "task = {:#x} pte = {:#x}\t".format(taskp, taskp.map.pmap.ttep) + if procp != 0: + out_str += "{:s}\n".format(procp.p_comm) + else: + out_str += "\n" + print out_str + taskp = Cast(taskp.tasks.next, 'struct task *') + +# EndMacro: showallpte + +# Macro: showallrefcounts +@lldb_command('showallrefcounts') +@header("{0: <20s} {1: ^10s}".format("task", "ref_count")) +def ShowAllRefCounts(cmd_args=None): + """ Prints the ref_count of all tasks + """ + out_str = '' + head_taskp = addressof(kern.globals.tasks) + taskp = Cast(head_taskp.next, 'task *') + print ShowAllRefCounts.header + while taskp != head_taskp: + out_str += "{: <#20x}".format(taskp) + out_str += "{: ^10d}\n".format(taskp.ref_count) + taskp = Cast(taskp.tasks.next, 'task *') + print out_str +# EndMacro: showallrefcounts + +# Macro: showallrunnablethreads +@lldb_command('showallrunnablethreads') +def ShowAllRunnableThreads(cmd_args=None): + """ Prints the sched usage information for all threads of each task + """ + out_str = '' + for taskp in kern.tasks: + for actp in IterateQueue(taskp.threads, 'thread *', 'task_threads'): + if int(actp.state & 0x4): + ShowActStack([unsigned(actp)]) + +# EndMacro: showallrunnablethreads + +# Macro: showallschedusage +@lldb_command('showallschedusage') +@header("{0:<20s} {1:^10s} {2:^10s} {3:^15s}".format("Thread", "Priority", "State", "sched_usage")) +def ShowAllSchedUsage(cmd_args=None): + """ Prints the sched usage information for all threads of each task + """ + out_str = '' + for taskp in kern.tasks: + ShowTask([unsigned(taskp)]) + print ShowAllSchedUsage.header + for actp in IterateQueue(taskp.threads, 'thread *', 'task_threads'): + out_str = "{: <#20x}".format(actp) + out_str += "{: ^10s}".format(str(int(actp.sched_pri))) + state = int(actp.state) + thread_state_chars = {0:'', 1:'W', 2:'S', 4:'R', 8:'U', 16:'H', 32:'A', 64:'P', 128:'I'} + state_str = '' + state_str += thread_state_chars[int(state & 0x1)] + state_str += thread_state_chars[int(state & 0x2)] + state_str += thread_state_chars[int(state & 0x4)] + state_str += thread_state_chars[int(state & 0x8)] + state_str += thread_state_chars[int(state & 0x10)] + state_str += thread_state_chars[int(state & 0x20)] + state_str += thread_state_chars[int(state & 0x40)] + state_str += thread_state_chars[int(state & 0x80)] + out_str += "{: ^10s}".format(state_str) + out_str += "{: >15d}".format(actp.sched_usage) + print out_str + "\n" + print "\n\n" + +# EndMacro: showallschedusage + +#Macro: showprocfilessummary +@lldb_command('showprocfilessummary') +@header("{0: <20s} {1: <20s} {2: >10s}".format("Process", "Name", "Number of Open Files")) +def ShowProcFilesSummary(cmd_args=None): + """ Display the summary of open file descriptors for all processes in task list + Usage: showprocfilessummary + """ + print ShowProcFilesSummary.header + for proc in kern.procs: + proc_filedesc = proc.p_fd + proc_ofiles = proc_filedesc.fd_ofiles + proc_lastfile = unsigned(proc_filedesc.fd_lastfile) + count = 0 + proc_file_count = 0 + if proc_filedesc.fd_nfiles != 0: + while count <= proc_lastfile: + if unsigned(proc_ofiles[count]) != 0: + proc_file_count += 1 + count += 1 + print "{0: <#020x} {1: <20s} {2: >10d}".format(proc, proc.p_comm, proc_file_count) + +#EndMacro: showprocfilessummary + +@lldb_command('workinguserstacks') +def WorkingUserStacks(cmd_args=None): + """ Print out the user stack for each thread in a task, followed by the user libraries. + Syntax: (lldb) workinguserstacks + """ + if not cmd_args: + print "Insufficient arguments" + ShowTaskUserStacks.__doc__ + return False + task = kern.GetValueFromAddress(cmd_args[0], 'task *') + print GetTaskSummary.header + " " + GetProcSummary.header + pval = Cast(task.bsd_info, 'proc *') + print GetTaskSummary(task) + " " + GetProcSummary(pval) + "\n \n" + for thval in IterateQueue(task.threads, 'thread *', 'task_threads'): + print "For thread 0x{0:x}".format(thval) + try: + ShowThreadUserStack([hex(thval)]) + except Exception as exc_err: + print "Failed to show user stack for thread 0x{0:x}".format(thval) + if config['debug']: + raise exc_err + else: + print "Enable debugging ('(lldb) xnudebug debug') to see detailed trace." + WorkingUserLibraries([hex(task)]) + return + +@static_var("exec_load_path", 0) +@lldb_command("workingkuserlibraries") +def WorkingUserLibraries(cmd_args=None): + """ Show binary images known by dyld in target task + For a given user task, inspect the dyld shared library state and print information about all Mach-O images. + Syntax: (lldb)workinguserlibraries + """ + if not cmd_args: + print "Insufficient arguments" + print ShowTaskUserLibraries.__doc__ + return False + + print "{0: <18s} {1: <12s} {2: <36s} {3: <50s}".format('address','type','uuid','path') + out_format = "0x{0:0>16x} {1: <12s} {2: <36s} {3: <50s}" + task = kern.GetValueFromAddress(cmd_args[0], 'task_t') + is_task_64 = int(task.t_flags) & 0x1 + dyld_all_image_infos_address = unsigned(task.all_image_info_addr) + cur_data_offset = 0 + if dyld_all_image_infos_address == 0: + print "No dyld shared library information available for task" + return False + vers_info_data = GetUserDataAsString(task, dyld_all_image_infos_address, 112) + version = _ExtractDataFromString(vers_info_data, cur_data_offset, "uint32_t") + cur_data_offset += 4 + if version > 12: + print "Unknown dyld all_image_infos version number %d" % version + image_info_count = _ExtractDataFromString(vers_info_data, cur_data_offset, "uint32_t") + WorkingUserLibraries.exec_load_path = 0 + if is_task_64: + image_info_size = 24 + image_info_array_address = _ExtractDataFromString(vers_info_data, 8, "uint64_t") + dyld_load_address = _ExtractDataFromString(vers_info_data, 8*4, "uint64_t") + dyld_all_image_infos_address_from_struct = _ExtractDataFromString(vers_info_data, 8*13, "uint64_t") + else: + image_info_size = 12 + image_info_array_address = _ExtractDataFromString(vers_info_data, 4*2, "uint32_t") + dyld_load_address = _ExtractDataFromString(vers_info_data, 4*5, "uint32_t") + dyld_all_image_infos_address_from_struct = _ExtractDataFromString(vers_info_data, 4*14, "uint32_t") + # Account for ASLR slide before dyld can fix the structure + dyld_load_address = dyld_load_address + (dyld_all_image_infos_address - dyld_all_image_infos_address_from_struct) + + i = 0 + while i < image_info_count: + image_info_address = image_info_array_address + i * image_info_size + img_data = GetUserDataAsString(task, image_info_address, image_info_size) + if is_task_64: + image_info_addr = _ExtractDataFromString(img_data, 0, "uint64_t") + image_info_path = _ExtractDataFromString(img_data, 8, "uint64_t") + else: + image_info_addr = _ExtractDataFromString(img_data, 0, "uint32_t") + image_info_path = _ExtractDataFromString(img_data, 4, "uint32_t") + PrintImageInfo(task, image_info_addr, image_info_path) + i += 1 + + # load_path might get set when the main executable is processed. + if WorkingUserLibraries.exec_load_path != 0: + PrintImageInfo(task, dyld_load_address, WorkingUserLibraries.exec_load_path) + return + +# Macro: showstackaftertask +@lldb_command('showstackaftertask','F:') +def Showstackaftertask(cmd_args=None,cmd_options={}): + """ Routine to print the thread stacks for all tasks succeeding a given task + Usage: showstackaftertask <0xaddress of task> + or: showstackaftertask -F + """ + if "-F" in cmd_options: + # Find the task pointer corresponding to its task name + find_task_str = cmd_options["-F"] + task_list = FindTasksByName(find_task_str) + + # Iterate through the list of tasks and print all task stacks thereafter + for tval in task_list: + ListTaskStacks(tval) + return + + if not cmd_args: + raise ArgumentError("Insufficient arguments") + tval = kern.GetValueFromAddress(cmd_args[0], 'task *') + if not tval: + raise ArgumentError("unknown arguments: {:s}".format(str(cmd_args))) + else: + ListTaskStacks(tval) + + ZombStacks() + return +# EndMacro: showstackaftertask + +def ListTaskStacks(task): + """ Search for a given task and print the list of all task stacks thereafter. + """ + # Initialize local variable task_flag to mark when a given task is found. + task_flag=0 + + for t in kern.tasks: + if (task_flag == 1): + ShowTaskStacks(t) + print "\n" + if (t == task): + task_flag = 1 + +# Macro: showstackafterthread +@lldb_command('showstackafterthread') +def Showstackafterthread(cmd_args = None): + """ Routine to print the stacks of all threads succeeding a given thread. + Usage: Showstackafterthread <0xaddress of thread> + """ + # local variable thread_flag is used to mark when a given thread is found. + thread_flag=0 + if cmd_args: + threadval = kern.GetValueFromAddress(cmd_args[0], 'thread *') + else: + raise ArgumentError("No arguments passed") + # Iterate through list of all tasks to look up a given thread + for t in kern.tasks: + if(thread_flag==1): + pval = Cast(t.bsd_info, 'proc *') + print GetTaskSummary.header + " "+ GetProcSummary.header + print GetTaskSummary(t) + " "+ GetProcSummary(pval) + print "\n" + # Look up for a given thread from the the list of threads of a given task + for thval in IterateQueue(t.threads, 'thread *', 'task_threads'): + if (thread_flag==1): + print "\n" + print " " + GetThreadSummary.header + print " " + GetThreadSummary(thval) + print GetThreadBackTrace(thval, prefix="\t")+"\n" + print "\n" + + if(thval==threadval): + pval = Cast(t.bsd_info, 'proc *') + process_name = "{:s}".format(pval.p_comm) + print "\n\n" + print " *** Continuing to dump the thread stacks from the process *** :" + " " + process_name + print "\n\n" + thread_flag = 1 + print '\n' + return