from xnu import *
from utils import *
from process import *
+from misc import *
+from memory import *
# TODO: write scheduler related macros here
while processor_itr:
out_str += "{:d}\t\t{:d}\n".format(processor_itr.cpu_id, processor_itr.runq.count)
processor_itr = processor_itr.processor_list
- out_str += "RT:\t\t{:d}\n".format(kern.globals.rt_runq.count)
+ # out_str += "RT:\t\t{:d}\n".format(kern.globals.rt_runq.count)
print out_str
# EndMacro: showallprocrunqcount
""" Prints IRQ, IPI and TMR counts for each CPU
"""
- if kern.arch not in ('arm', 'arm64'):
+ if not kern.arch.startswith('arm'):
print "showinterrupts is only supported on arm/arm64"
return
base_address = kern.GetLoadAddressForSymbol('CpuDataEntries')
- struct_size = 16
- for x in xrange (0, unsigned(kern.globals.machine_info.physical_cpu)):
- element = kern.GetValueFromAddress(base_address + (x * struct_size), 'uintptr_t *')[1]
- cpu_data_entry = Cast(element, 'cpu_data_t *')
- print "CPU {} IRQ: {:d}\n".format(x, cpu_data_entry.cpu_stat.irq_ex_cnt)
- print "CPU {} IPI: {:d}\n".format(x, cpu_data_entry.cpu_stat.ipi_cnt)
- print "CPU {} TMR: {:d}\n".format(x, cpu_data_entry.cpu_stat.timer_cnt)
+ struct_size = 16
+ x = 0
+ y = 0
+ while x < unsigned(kern.globals.machine_info.physical_cpu):
+ element = kern.GetValueFromAddress(base_address + (y * struct_size), 'uintptr_t *')[1]
+ if element:
+ cpu_data_entry = Cast(element, 'cpu_data_t *')
+ print "CPU {} IRQ: {:d}\n".format(y, cpu_data_entry.cpu_stat.irq_ex_cnt)
+ print "CPU {} IPI: {:d}\n".format(y, cpu_data_entry.cpu_stat.ipi_cnt)
+ print "CPU {} PMI: {:d}\n".format(y, cpu_data_entry.cpu_stat.pmi_cnt)
+ print "CPU {} TMR: {:d}\n".format(y, cpu_data_entry.cpu_stat.timer_cnt)
+ x = x + 1
+ y = y + 1
+
# EndMacro: showinterrupts
# Macro: showactiveinterrupts
out_str = "IRQ-IT Ratio: "
base_address = kern.GetLoadAddressForSymbol('CpuDataEntries')
struct_size = 16
- for x in range (0, unsigned(kern.globals.machine_info.physical_cpu)):
- element = kern.GetValueFromAddress(base_address + (x * struct_size), 'uintptr_t *')[1]
- cpu_data_entry = Cast(element, 'cpu_data_t *')
- out_str += " CPU {} [{:.2f}]".format(x, float(cpu_data_entry.cpu_stat.irq_ex_cnt)/(cpu_data_entry.cpu_stat.ipi_cnt + cpu_data_entry.cpu_stat.timer_cnt))
+ x = 0
+ y = 0
+ while x < unsigned(kern.globals.machine_info.physical_cpu):
+ element = kern.GetValueFromAddress(base_address + (y * struct_size), 'uintptr_t *')[1]
+ if element:
+ cpu_data_entry = Cast(element, 'cpu_data_t *')
+ out_str += " CPU {} [{:.2f}]".format(y, float(cpu_data_entry.cpu_stat.irq_ex_cnt)/(cpu_data_entry.cpu_stat.ipi_cnt + cpu_data_entry.cpu_stat.timer_cnt))
+ x = x + 1
+ y = y + 1
print out_str
# EndMacro: showirqbyipitimerratio
Usage: showcurrentabstime
"""
pset = addressof(kern.globals.pset0)
+ processor_array = kern.globals.processor_array
cur_abstime = 0
while unsigned(pset) != 0:
- for processor in ParanoidIterateLinkageChain(pset.active_queue, "processor_t", "processor_queue"):
- if unsigned(processor.last_dispatch) > cur_abstime:
- cur_abstime = unsigned(processor.last_dispatch)
-
- for processor in ParanoidIterateLinkageChain(pset.idle_queue, "processor_t", "processor_queue"):
- if unsigned(processor.last_dispatch) > cur_abstime:
- cur_abstime = unsigned(processor.last_dispatch)
-
- for processor in ParanoidIterateLinkageChain(pset.idle_secondary_queue, "processor_t", "processor_queue"):
+ cpu_bitmap = int(pset.cpu_bitmask)
+ for cpuid in IterateBitmap(cpu_bitmap):
+ processor = processor_array[cpuid]
if unsigned(processor.last_dispatch) > cur_abstime:
cur_abstime = unsigned(processor.last_dispatch)
# Macro: showschedhistory
+def GetRecentTimestamp():
+ """
+ Return a recent timestamp.
+ TODO: on x86, if not in the debugger, then look at the scheduler
+ """
+ if kern.arch == 'x86_64':
+ return kern.globals.debugger_entry_time
+ else :
+ return GetSchedMostRecentDispatch(False)
+
def GetSchedMostRecentDispatch(show_processor_details=False):
""" Return the most recent dispatch on the system, printing processor
details if argument is true.
return most_recent_dispatch
-@header("{:<18s} {:<10s} {:>16s} {:>16s} {:>16s} {:>18s} {:>16s} {:>16s} {:>16s} {:2s} {:2s} {:2s} {:>2s} {:<19s} {:<9s} {:>10s} {:>10s} {:>10s} {:>10s} {:>10s} {:>11s} {:>8s}".format("thread", "id", "on-core", "off-core", "runnable", "last-duration (us)", "since-off (us)", "since-on (us)", "pending (us)", "BP", "SP", "TP", "MP", "sched-mode", "state", "cpu-usage", "delta", "sch-usage", "stamp", "shift", "task", "thread-name"))
+@header("{:<18s} {:<10s} {:>16s} {:>16s} {:>16s} {:>16s} {:>18s} {:>16s} {:>16s} {:>16s} {:>16s} {:2s} {:2s} {:2s} {:>2s} {:<19s} {:<9s} {:>10s} {:>10s} {:>10s} {:>10s} {:>10s} {:>11s} {:>8s}".format("thread", "id", "on-core", "off-core", "runnable", "prichange", "last-duration (us)", "since-off (us)", "since-on (us)", "pending (us)", "pri-change (us)", "BP", "SP", "TP", "MP", "sched-mode", "state", "cpu-usage", "delta", "sch-usage", "stamp", "shift", "task", "thread-name"))
def ShowThreadSchedHistory(thread, most_recent_dispatch):
""" Given a thread and the most recent dispatch time of a thread on the
system, print out details about scheduler history for the thread.
last_on = thread.computation_epoch
last_off = thread.last_run_time
last_runnable = thread.last_made_runnable_time
-
+ last_prichange = thread.last_basepri_change_time
+
if int(last_runnable) == 18446744073709551615 :
last_runnable = 0
+ if int(last_prichange) == 18446744073709551615 :
+ last_prichange = 0
+
time_on_abs = unsigned(last_off - last_on)
time_on_us = kern.GetNanotimeFromAbstime(time_on_abs) / 1000.0
time_pending_abs = unsigned(most_recent_dispatch - last_runnable)
time_pending_us = kern.GetNanotimeFromAbstime(time_pending_abs) / 1000.0
-
+
if int(last_runnable) == 0 :
time_pending_us = 0
+ last_prichange_abs = unsigned(most_recent_dispatch - last_prichange)
+ last_prichange_us = kern.GetNanotimeFromAbstime(last_prichange_abs) / 1000.0
+
+ if int(last_prichange) == 0 :
+ last_prichange_us = 0
+
time_since_off_abs = unsigned(most_recent_dispatch - last_off)
time_since_off_us = kern.GetNanotimeFromAbstime(time_since_off_abs) / 1000.0
time_since_on_abs = unsigned(most_recent_dispatch - last_on)
time_since_on_us = kern.GetNanotimeFromAbstime(time_since_on_abs) / 1000.0
- fmt = "0x{t:<16x} 0x{t.thread_id:<8x} {t.computation_epoch:16d} {t.last_run_time:16d} {last_runnable:16d} {time_on_us:18.3f} {time_since_off_us:16.3f} {time_since_on_us:16.3f} {time_pending_us:16.3f}"
+ fmt = "0x{t:<16x} 0x{t.thread_id:<8x} {t.computation_epoch:16d} {t.last_run_time:16d} {last_runnable:16d} {last_prichange:16d} {time_on_us:18.3f} {time_since_off_us:16.3f} {time_since_on_us:16.3f} {time_pending_us:16.3f} {last_prichange_us:16.3f}"
fmt2 = " {t.base_pri:2d} {t.sched_pri:2d} {t.task_priority:2d} {t.max_priority:2d} {sched_mode:19s}"
fmt3 = " {state:9s} {t.cpu_usage:10d} {t.cpu_delta:10d} {t.sched_usage:10d} {t.sched_stamp:10d} {t.pri_shift:10d} {name:s} {thread_name:s}"
- out_str = fmt.format(t=thread, time_on_us=time_on_us, time_since_off_us=time_since_off_us, time_since_on_us=time_since_on_us, last_runnable=last_runnable, time_pending_us=time_pending_us)
+ out_str = fmt.format(t=thread, time_on_us=time_on_us, time_since_off_us=time_since_off_us, time_since_on_us=time_since_on_us, last_runnable=last_runnable, time_pending_us=time_pending_us, last_prichange=last_prichange, last_prichange_us=last_prichange_us)
out_str += fmt2.format(t=thread, sched_mode=sched_mode)
out_str += fmt3.format(t=thread, state=state_str, name=task_name, thread_name=thread_name)
-
+
print out_str
-@lldb_command('showschedhistory')
-def ShowSchedHistory(cmd_args=None):
- """ Routine to print out thread scheduling history
- Usage: showschedhistory [<thread-ptr> ...]
+def SortThreads(threads, column):
+ if column != 'on-core' and column != 'off-core' and column != 'last-duration':
+ raise ArgumentError("unsupported sort column")
+ if column == 'on-core':
+ threads.sort(key=lambda t: t.computation_epoch)
+ elif column == 'off-core':
+ threads.sort(key=lambda t: t.last_run_time)
+ else:
+ threads.sort(key=lambda t: t.last_run_time - t.computation_epoch)
+
+@lldb_command('showschedhistory', 'S:')
+def ShowSchedHistory(cmd_args=None, cmd_options=None):
+ """ Routine to print out thread scheduling history, optionally sorted by a
+ column.
+
+ Usage: showschedhistory [-S on-core|off-core|last-duration] [<thread-ptr> ...]
"""
+ sort_column = None
+ if '-S' in cmd_options:
+ sort_column = cmd_options['-S']
+
if cmd_args:
most_recent_dispatch = GetSchedMostRecentDispatch(False)
print ShowThreadSchedHistory.header
- for thread_ptr in cmd_args:
- thread = kern.GetValueFromAddress(ArgumentStringToInt(thread_ptr), 'thread *')
- ShowThreadSchedHistory(thread, most_recent_dispatch)
+
+ if sort_column:
+ threads = []
+ for thread_ptr in cmd_args:
+ threads.append(kern.GetValueFromAddress(ArgumentStringToInt(thread_ptr), 'thread *'))
+
+ SortThreads(threads, sort_column)
+
+ for thread in threads:
+ ShowThreadSchedHistory(thread, most_recent_dispatch)
+ else:
+ for thread_ptr in cmd_args:
+ thread = kern.GetValueFromAddress(ArgumentStringToInt(thread_ptr), 'thread *')
+ ShowThreadSchedHistory(thread, most_recent_dispatch)
return
-
+
run_buckets = kern.globals.sched_run_buckets
run_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_RUN')]
fixpri_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_FIXPRI')]
share_fg_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_FG')]
+ share_df_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_DF')]
share_ut_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_UT')]
share_bg_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_BG')]
sched_pri_shifts = kern.globals.sched_run_buckets
share_fg_shift = sched_pri_shifts[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_FG')]
+ share_df_shift = sched_pri_shifts[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_DF')]
share_ut_shift = sched_pri_shifts[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_UT')]
share_bg_shift = sched_pri_shifts[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_BG')]
print "Processors: {g.processor_avail_count:d} Runnable threads: {:d} Fixpri threads: {:d}\n".format(run_count, fixpri_count, g=kern.globals)
- print "FG Timeshare threads: {:d} UT Timeshare threads: {:d} BG Timeshare threads: {:d}\n".format(share_fg_count, share_ut_count, share_bg_count)
+ print "FG Timeshare threads: {:d} DF Timeshare threads: {:d} UT Timeshare threads: {:d} BG Timeshare threads: {:d}\n".format(share_fg_count, share_df_count, share_ut_count, share_bg_count)
print "Mach factor: {g.sched_mach_factor:d} Load factor: {g.sched_load_average:d} Sched tick: {g.sched_tick:d} timestamp: {g.sched_tick_last_abstime:d} interval:{g.sched_tick_interval:d}\n".format(g=kern.globals)
- print "Fixed shift: {g.sched_fixed_shift:d} FG shift: {:d} UT shift: {:d} BG shift: {:d}\n".format(share_fg_shift, share_ut_shift, share_bg_shift, g=kern.globals)
+ print "Fixed shift: {g.sched_fixed_shift:d} FG shift: {:d} DF shift: {:d} UT shift: {:d} BG shift: {:d}\n".format(share_fg_shift, share_df_shift, share_ut_shift, share_bg_shift, g=kern.globals)
print "sched_pri_decay_band_limit: {g.sched_pri_decay_band_limit:d} sched_decay_usage_age_factor: {g.sched_decay_usage_age_factor:d}\n".format(g=kern.globals)
if kern.arch == 'x86_64':
print "Most recent dispatch: " + str(most_recent_dispatch)
print ShowThreadSchedHistory.header
- for thread in IterateQueue(kern.globals.threads, 'thread *', 'threads'):
- ShowThreadSchedHistory(thread, most_recent_dispatch)
+
+ if sort_column:
+ threads = [t for t in IterateQueue(kern.globals.threads, 'thread *', 'threads')]
+
+ SortThreads(threads, sort_column)
+
+ for thread in threads:
+ ShowThreadSchedHistory(thread, most_recent_dispatch)
+ else:
+ for thread in IterateQueue(kern.globals.threads, 'thread *', 'threads'):
+ ShowThreadSchedHistory(thread, most_recent_dispatch)
# EndMacro: showschedhistory
+def int32(n):
+ n = n & 0xffffffff
+ return (n ^ 0x80000000) - 0x80000000
# Macro: showallprocessors
""" Internal function to print summary of group run queue
params: runq - value representing struct run_queue *
"""
- print " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, runq.highq, runq.urgency)
+
+ print " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, int32(runq.highq), runq.urgency)
runq_queue_i = 0
runq_queue_count = sizeof(runq.queues)/sizeof(runq.queues[0])
""" Internal function to print summary of run_queue
params: runq - value representing struct run_queue *
"""
- print " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, runq.highq, runq.urgency)
+
+ print " runq: count {: <10d} highq: {: <10d} urgency {: <10d}\n".format(runq.count, int32(runq.highq), runq.urgency)
runq_queue_i = 0
runq_queue_count = sizeof(runq.queues)/sizeof(runq.queues[0])
if config['verbosity'] > vHUMAN :
print "\t" + GetThreadBackTrace(thread, prefix="\t\t") + "\n"
+def ShowRTRunQSummary(rt_runq):
+ if (hex(rt_runq.count) == hex(0xfdfdfdfd)) :
+ print " Realtime Queue ({:<#012x}) uninitialized\n".format(addressof(rt_runq.queue))
+ return
+ print " Realtime Queue ({:<#012x}) Count {:d}\n".format(addressof(rt_runq.queue), rt_runq.count)
+ if rt_runq.count != 0:
+ print "\t" + GetThreadSummary.header + "\n"
+ for rt_runq_thread in ParanoidIterateLinkageChain(rt_runq.queue, "thread_t", "runq_links"):
+ print "\t" + GetThreadSummary(rt_runq_thread) + "\n"
def ShowGrrrSummary(grrr_runq):
""" Internal function to print summary of grrr_run_queue
""" Routine to print information of all psets and processors
Usage: showscheduler
"""
- pset = addressof(kern.globals.pset0)
+ node = addressof(kern.globals.pset_node0)
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 unsigned(kern.globals.sched_current_dispatch) != 0 :
+ sched_string = str(kern.globals.sched_current_dispatch.sched_name)
+ else :
+ sched_string = str(kern.globals.sched_string)
if sched_string == "traditional":
show_priority_runq = 1
elif sched_string == "dualq":
show_priority_pset_runq = 1
show_priority_runq = 1
+ elif sched_string == "amp":
+ show_priority_pset_runq = 1
+ show_priority_runq = 1
else :
print "Unknown sched_string {:s}".format(sched_string)
- print "Scheduler: {:s} ({:s})\n".format(sched_string,
- kern.Symbolicate(unsigned(kern.globals.sched_current_dispatch)))
+ if unsigned(kern.globals.sched_current_dispatch) != 0 :
+ print "Scheduler: {:s} ({:s})\n".format(sched_string,
+ kern.Symbolicate(unsigned(kern.globals.sched_current_dispatch)))
run_buckets = kern.globals.sched_run_buckets
run_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_RUN')]
fixpri_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_FIXPRI')]
share_fg_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_FG')]
+ share_df_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_DF')]
share_ut_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_UT')]
share_bg_count = run_buckets[GetEnumValue('sched_bucket_t::TH_BUCKET_SHARE_BG')]
print "Processors: {g.processor_avail_count:d} Runnable threads: {:d} Fixpri threads: {:d}\n".format(run_count, fixpri_count, g=kern.globals)
- print "FG Timeshare threads: {:d} UT Timeshare threads: {:d} BG Timeshare threads: {:d}\n".format(share_fg_count, share_ut_count, share_bg_count)
+ print "FG Timeshare threads: {:d} DF Timeshare threads: {:d} UT Timeshare threads: {:d} BG Timeshare threads: {:d}\n".format(share_fg_count, share_df_count, share_ut_count, share_bg_count)
if show_group_pset_runq:
- print "multiq scheduler config: deep-drain {g.deep_drain:d}, ceiling {g.drain_ceiling:d}, depth limit {g.drain_depth_limit:d}, band limit {g.drain_band_limit:d}, sanity check {g.multiq_sanity_check:d}\n".format(g=kern.globals)
+ if hasattr(kern.globals, "multiq_sanity_check"):
+ print "multiq scheduler config: deep-drain {g.deep_drain:d}, ceiling {g.drain_ceiling:d}, depth limit {g.drain_depth_limit:d}, band limit {g.drain_band_limit:d}, sanity check {g.multiq_sanity_check:d}\n".format(g=kern.globals)
+ else:
+ print "multiq scheduler config: deep-drain {g.deep_drain:d}, ceiling {g.drain_ceiling:d}, depth limit {g.drain_depth_limit:d}, band limit {g.drain_band_limit:d}\n".format(g=kern.globals)
# Create a group->task mapping
task_map = {}
print " \n"
- while unsigned(pset) != 0:
- print "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
- ShowRunQSummary(runq)
-
- if show_group_pset_runq:
- print "Main Runq:\n"
- runq = pset.pset_runq
- ShowGroupSetSummary(runq, task_map)
- print "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!")
- print "Group {: <#012x} Task {: <#012x}\n".format(unsigned(group), unsigned(task))
- ShowRunQSummary(group.runq)
- print " \n"
-
- print "Active Processors:\n"
- for processor in ParanoidIterateLinkageChain(pset.active_queue, "processor_t", "processor_queue"):
- print " " + GetProcessorSummary(processor)
- ShowActiveThread(processor)
- ShowNextThread(processor)
-
- if show_priority_runq:
- runq = processor.runq
- ShowRunQSummary(runq)
- if show_grrr:
- grrr_runq = processor.grrr_runq
- ShowGrrrSummary(grrr_runq)
- print " \n"
-
+ while node != 0:
+ pset = node.psets
+ pset = kern.GetValueFromAddress(unsigned(pset), 'struct processor_set *')
- print "Idle Processors:\n"
- for processor in ParanoidIterateLinkageChain(pset.idle_queue, "processor_t", "processor_queue"):
- print " " + GetProcessorSummary(processor)
- ShowActiveThread(processor)
- ShowNextThread(processor)
+ while pset != 0:
+ print "Processor Set {: <#012x} Count {:d} (cpu_id {:<#x}-{:<#x})\n".format(pset,
+ unsigned(pset.cpu_set_count), pset.cpu_set_low, pset.cpu_set_hi)
- if show_priority_runq:
- ShowRunQSummary(processor.runq)
- print " \n"
-
-
- print "Idle Secondary Processors:\n"
- for processor in ParanoidIterateLinkageChain(pset.idle_secondary_queue, "processor_t", "processor_queue"):
- print " " + GetProcessorSummary(processor)
- ShowActiveThread(processor)
- ShowNextThread(processor)
-
- if show_priority_runq:
- print ShowRunQSummary(processor.runq)
- print " \n"
+ rt_runq = kern.GetValueFromAddress(unsigned(addressof(pset.rt_runq)), 'struct rt_queue *')
+ ShowRTRunQSummary(rt_runq)
+ if show_priority_pset_runq:
+ runq = kern.GetValueFromAddress(unsigned(addressof(pset.pset_runq)), 'struct run_queue *')
+ ShowRunQSummary(runq)
- pset = pset.pset_list
-
- print "\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:
- print "\t" + GetThreadSummary.header + "\n"
- for rt_runq_thread in ParanoidIterateLinkageChain(kern.globals.rt_runq.queue, "thread_t", "runq_links"):
- print "\t" + GetThreadSummary(rt_runq_thread) + "\n"
+ if show_group_pset_runq:
+ print "Main Runq:\n"
+ runq = kern.GetValueFromAddress(unsigned(addressof(pset.pset_runq)), 'struct run_queue *')
+ ShowGroupSetSummary(runq, task_map)
+ print "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!")
+ print "Group {: <#012x} Task {: <#012x}\n".format(unsigned(group), unsigned(task))
+ ShowRunQSummary(group.runq)
+ print " \n"
+
+ processor_array = kern.globals.processor_array
+
+ print "Active Processors:\n"
+ active_bitmap = int(pset.cpu_state_map[5]) | int(pset.cpu_state_map[6])
+ for cpuid in IterateBitmap(active_bitmap):
+ processor = processor_array[cpuid]
+ if processor != 0:
+ print " " + GetProcessorSummary(processor)
+ ShowActiveThread(processor)
+ ShowNextThread(processor)
+
+ if show_priority_runq:
+ runq = processor.runq
+ ShowRunQSummary(runq)
+ if show_grrr:
+ grrr_runq = processor.grrr_runq
+ ShowGrrrSummary(grrr_runq)
+ print " \n"
+
+
+ print "Idle Processors:\n"
+ idle_bitmap = int(pset.cpu_state_map[4]) & int(pset.primary_map)
+ for cpuid in IterateBitmap(idle_bitmap):
+ processor = processor_array[cpuid]
+ if processor != 0:
+ print " " + GetProcessorSummary(processor)
+ ShowActiveThread(processor)
+ ShowNextThread(processor)
+
+ if show_priority_runq:
+ ShowRunQSummary(processor.runq)
+ print " \n"
+
+
+ print "Idle Secondary Processors:\n"
+ idle_bitmap = int(pset.cpu_state_map[4]) & ~(int(pset.primary_map))
+ for cpuid in IterateBitmap(idle_bitmap):
+ processor = processor_array[cpuid]
+ if processor != 0:
+ print " " + GetProcessorSummary(processor)
+ ShowActiveThread(processor)
+ ShowNextThread(processor)
+
+ if show_priority_runq:
+ print ShowRunQSummary(processor.runq)
+ print " \n"
+
+
+ print "Other Processors:\n"
+ other_bitmap = 0
+ for i in range(0, 4):
+ other_bitmap |= int(pset.cpu_state_map[i])
+ other_bitmap &= int(pset.cpu_bitmask)
+ for cpuid in IterateBitmap(other_bitmap):
+ processor = processor_array[cpuid]
+ if processor != 0:
+ print " " + GetProcessorSummary(processor)
+ ShowActiveThread(processor)
+ ShowNextThread(processor)
+
+ if show_priority_runq:
+ ShowRunQSummary(processor.runq)
+ print " \n"
+
+
+ pset = pset.pset_list
+
+ node = node.node_list
print "\nTerminate Queue: ({:<#012x})\n".format(addressof(kern.globals.thread_terminate_queue))
first = False
return
if element_type.IsPointerType():
- elem_ofst = getfieldoffset(element_type.GetPointeeType(), field_name) + field_ofst
+ struct_type = element_type.GetPointeeType()
else:
- elem_ofst = getfieldoffset(element_type, field_name) + field_ofst
+ struct_type = element_type
+
+ elem_ofst = getfieldoffset(struct_type, field_name) + field_ofst
try:
link = queue_head.next
ParanoidIterateLinkageChain.enable_paranoia = True
ParanoidIterateLinkageChain.enable_debug = False
+def bit_first(bitmap):
+ return bitmap.bit_length() - 1
+
+def lsb_first(bitmap):
+ bitmap = bitmap & -bitmap
+ return bit_first(bitmap)
+
+def IterateBitmap(bitmap):
+ """ Iterate over a bitmap, returning the index of set bits starting from 0
+
+ params:
+ bitmap - value : bitmap
+ returns:
+ A generator does not return. It is used for iterating.
+ value : index of a set bit
+ example usage:
+ for cpuid in IterateBitmap(running_bitmap):
+ print processor_array[cpuid]
+ """
+ i = lsb_first(bitmap)
+ while (i >= 0):
+ yield i
+ bitmap = bitmap & ~((1 << (i + 1)) - 1)
+ i = lsb_first(bitmap)
+
+
# Macro: showallcallouts
+
+def ShowThreadCall(prefix, call):
+ """
+ Print a description of a thread_call_t and its relationship to its expected fire time
+ """
+ func = call.tc_call.func
+ param0 = call.tc_call.param0
+ param1 = call.tc_call.param1
+
+ iotes_desc = ""
+ iotes_callout = kern.GetLoadAddressForSymbol("_ZN18IOTimerEventSource17timeoutAndReleaseEPvS0_")
+ iotes_callout2 = kern.GetLoadAddressForSymbol("_ZN18IOTimerEventSource15timeoutSignaledEPvS0_")
+
+ if (unsigned(func) == unsigned(iotes_callout) or
+ unsigned(func) == unsigned(iotes_callout2)) :
+ iotes = Cast(call.tc_call.param0, 'IOTimerEventSource*')
+ func = iotes.action
+ param0 = iotes.owner
+ param1 = unsigned(iotes)
+
+ func_name = kern.Symbolicate(func)
+ if (func_name == "") :
+ func_name = FindKmodNameForAddr(func)
+
+ call_entry = call.tc_call
+
+ recent_timestamp = GetRecentTimestamp()
+
+ # THREAD_CALL_CONTINUOUS 0x100
+ kern.globals.mach_absolutetime_asleep
+ if (call.tc_flags & 0x100) :
+ timer_fire = call_entry.deadline - (recent_timestamp + kern.globals.mach_absolutetime_asleep)
+ else :
+ timer_fire = call_entry.deadline - recent_timestamp
+
+ timer_fire_s = kern.GetNanotimeFromAbstime(timer_fire) / 1000000000.0
+
+ ttd_s = kern.GetNanotimeFromAbstime(call.tc_ttd) / 1000000000.0
+
+ print "{:s}{:#018x}: {:18d} {:18d} {:03.06f} {:03.06f} {:#018x}({:#018x},{:#018x}) ({:s})".format(prefix,
+ unsigned(call), call_entry.deadline, call.tc_soft_deadline, ttd_s, timer_fire_s,
+ func, param0, param1, func_name)
+
@lldb_command('showallcallouts')
def ShowAllCallouts(cmd_args=None):
- """ Prints out the pending and delayed thread calls for high priority thread call group
+ """ Prints out the pending and delayed thread calls for the thread call groups
"""
- # Get the high priority thread's call group
- g = addressof(kern.globals.thread_call_groups[0])
- pq = addressof(g.pending_queue)
- dq = addressof(g.delayed_queue)
-
- print "Active threads: {:d}\n".format(g.active_count)
- print "Idle threads: {:d}\n".format(g.idle_count)
- print "Pending threads: {:d}\n".format(g.pending_count)
-
- call = Cast(pq.next, 'thread_call_t')
- while unsigned(call) != unsigned(pq):
- print "Callout: " + kern.Symbolicate([unsigned(call.tc_call.func)]) + "\n"
- call = Cast(call.tc_call.q_link.next, 'thread_call_t')
-
- print "\nDelayed:\n"
- call = Cast(dq.next, 'thread_call_t')
- while unsigned(call) != unsigned(dq):
- out_str = "Deadline: {:>22d}. Callout: {:#x} <".format(call.tc_call.deadline, unsigned(call.tc_call.func))
- print out_str + kern.Symbolicate(unsigned(call.tc_call.func)) + ">\n"
- call = Cast(call.tc_call.q_link.next, 'thread_call_t')
+
+ index_max = GetEnumValue('thread_call_index_t::THREAD_CALL_INDEX_MAX')
+
+ for i in range (0, index_max) :
+ group = kern.globals.thread_call_groups[i]
+
+ print "Group {i:d}: {g.tcg_name:s} ({:>#18x})".format(addressof(group), i=i, g=group)
+ print "\t" +"Active: {g.active_count:d} Idle: {g.idle_count:d}\n".format(g=group)
+ print "\t" +"Blocked: {g.blocked_count:d} Pending: {g.pending_count:d}\n".format(g=group)
+ print "\t" +"Target: {g.target_thread_count:d}\n".format(g=group)
+
+ print "\t" +"Pending Queue: ({:>#18x})\n".format(addressof(group.pending_queue))
+ for call in ParanoidIterateLinkageChain(group.pending_queue, "thread_call_t", "tc_call.q_link"):
+ ShowThreadCall("\t\t", call)
+
+ print "\t" +"Delayed Queue (Absolute Time): ({:>#18x}) timer: ({:>#18x})\n".format(
+ addressof(group.delayed_queues[0]), addressof(group.delayed_timers[0]))
+ for call in ParanoidIterateLinkageChain(group.delayed_queues[0], "thread_call_t", "tc_call.q_link"):
+ ShowThreadCall("\t\t", call)
+
+ print "\t" +"Delayed Queue (Continuous Time): ({:>#18x}) timer: ({:>#18x})\n".format(
+ addressof(group.delayed_queues[1]), addressof(group.delayed_timers[1]))
+ for call in ParanoidIterateLinkageChain(group.delayed_queues[1], "thread_call_t", "tc_call.q_link"):
+ ShowThreadCall("\t\t", call)
# EndMacro: showallcallouts
projects / apple / xnu.git / blobdiff