-@lldb_command('walklist_entry', 'S')
+@lldb_command('walklist_entry', 'SE')
def WalkList(cmd_args=[], cmd_options={}):
""" iterate over a list as defined with LIST_ENTRY in bsd/sys/queue.h
params:
element_type - str : Type of the next element
field_name - str : Name of the field in next element's structure
- Option: -S - suppress summary output.
+ Options: -S - suppress summary output.
+ -E - Iterate using SLIST_ENTRYs
+
Usage: (lldb) walklist_entry <obj with list_entry *> <struct type> <fieldname>
ex: (lldb) walklist_entry 0x7fffff80 "struct proc *" "p_sibling"
el_type = cmd_args[1]
queue_head = kern.GetValueFromAddress(cmd_args[0], el_type)
field_name = cmd_args[2]
-
showsummary = False
if el_type in lldb_summary_definitions:
showsummary = True
if '-S' in cmd_options:
showsummary = False
+ if '-E' in cmd_options:
+ prefix = 's'
+ else:
+ prefix = ''
elt = queue_head
while unsigned(elt) != 0:
i = elt
- elt = elt.__getattr__(field_name).le_next
+ elt = elt.__getattr__(field_name).__getattr__(prefix + 'le_next')
if showsummary:
print lldb_summary_definitions[el_type](i)
else:
print "{0: <#020x}".format(i)
-def iotrace_parse_Copt(Copt):
+def trace_parse_Copt(Copt):
"""Parses the -C option argument and returns a list of CPUs
"""
cpusOpt = Copt
return chosen_cpus
-@lldb_command('iotrace', 'C:N:S:RB')
-def IOTrace_cmd(cmd_args=[], cmd_options={}):
- """ Prints the iotrace ring buffers for all CPUs by default.
- Arguments:
- -B : Print backtraces for each ring entry
- -C <cpuSpec#>[,...,<cpuSpec#N>] : Limit trace entries to those generated by the specified CPUs (each cpuSpec can be a
- single CPU number or a range separated by a dash (e.g. "0-3"))
- -N <count> : Limit output to the first <count> entries (across all chosen CPUs)
- -R : Display results in reverse-sorted order (oldest first; default is newest-first)
- -S <sort_key_field_name> : Sort output by specified iotrace_entry_t field name (instead of by timestamp)
+IDX_CPU = 0
+IDX_RINGPOS = 1
+IDX_RINGENTRY = 2
+def Trace_cmd(cmd_args=[], cmd_options={}, headerString=lambda:"", entryString=lambda x:"", ring=[], entries_per_cpu=0, max_backtraces=0):
+ """Generic trace dumper helper function
"""
- IDX_CPU = 0
- IDX_RINGPOS = 1
- IDX_RINGENTRY = 2
- MAX_IOTRACE_BACKTRACES = 16
-
- if kern.arch != "x86_64":
- print "Sorry, iotrace is an x86-only command."
- return
if '-S' in cmd_options:
field_arg = cmd_options['-S']
try:
- getattr(kern.globals.iotrace_ring[0][0], field_arg)
+ getattr(ring[0][0], field_arg)
sort_key_field_name = field_arg
except AttributeError:
raise ArgumentError("Invalid sort key field name `%s'" % field_arg)
sort_key_field_name = 'start_time_abs'
if '-C' in cmd_options:
- chosen_cpus = iotrace_parse_Copt(cmd_options['-C'])
+ chosen_cpus = trace_parse_Copt(cmd_options['-C'])
else:
chosen_cpus = [x for x in range(kern.globals.real_ncpus)]
# the original ring index, and the iotrace entry.
entries = []
for x in chosen_cpus:
- ring_slice = [(x, y, kern.globals.iotrace_ring[x][y]) for y in range(kern.globals.iotrace_entries_per_cpu)]
+ ring_slice = [(x, y, ring[x][y]) for y in range(entries_per_cpu)]
entries.extend(ring_slice)
total_entries = len(entries)
else:
entries_to_display = total_entries
- print "%-19s %-8s %-10s %-20s SZ %-18s %-17s DATA" % (
- "START TIME",
- "DURATION",
- "CPU#[RIDX]",
- " TYPE",
- " VIRT ADDR",
- " PHYS ADDR")
+ print headerString()
for x in xrange(entries_to_display):
- print "%-20u(%6u) %6s[%02d] %-20s %d 0x%016x 0x%016x 0x%x" % (
- entries[x][IDX_RINGENTRY].start_time_abs,
- entries[x][IDX_RINGENTRY].duration,
- "CPU%d" % entries[x][IDX_CPU],
- entries[x][IDX_RINGPOS],
- str(entries[x][IDX_RINGENTRY].iotype).split("=")[1].strip(),
- entries[x][IDX_RINGENTRY].size,
- entries[x][IDX_RINGENTRY].vaddr,
- entries[x][IDX_RINGENTRY].paddr,
- entries[x][IDX_RINGENTRY].val)
+ print entryString(entries[x])
+
if backtraces:
- for btidx in range(MAX_IOTRACE_BACKTRACES):
+ for btidx in range(max_backtraces):
nextbt = entries[x][IDX_RINGENTRY].backtrace[btidx]
if nextbt == 0:
break
print "\t" + GetSourceInformationForAddress(nextbt)
+
+
+@lldb_command('iotrace', 'C:N:S:RB')
+def IOTrace_cmd(cmd_args=[], cmd_options={}):
+ """ Prints the iotrace ring buffers for all CPUs by default.
+ Arguments:
+ -B : Print backtraces for each ring entry
+ -C <cpuSpec#>[,...,<cpuSpec#N>] : Limit trace entries to those generated by the specified CPUs (each cpuSpec can be a
+ single CPU number or a range separated by a dash (e.g. "0-3"))
+ -N <count> : Limit output to the first <count> entries (across all chosen CPUs)
+ -R : Display results in reverse-sorted order (oldest first; default is newest-first)
+ -S <sort_key_field_name> : Sort output by specified iotrace_entry_t field name (instead of by timestamp)
+ """
+ MAX_IOTRACE_BACKTRACES = 16
+
+ if kern.arch != "x86_64":
+ print "Sorry, iotrace is an x86-only command."
+ return
+
+ hdrString = lambda : "%-19s %-8s %-10s %-20s SZ %-18s %-17s DATA" % (
+ "START TIME",
+ "DURATION",
+ "CPU#[RIDX]",
+ " TYPE",
+ " VIRT ADDR",
+ " PHYS ADDR")
+
+ entryString = lambda x : "%-20u(%6u) %6s[%02d] %-20s %-2d 0x%016x 0x%016x 0x%x" % (
+ x[IDX_RINGENTRY].start_time_abs,
+ x[IDX_RINGENTRY].duration,
+ "CPU%d" % x[IDX_CPU],
+ x[IDX_RINGPOS],
+ str(x[IDX_RINGENTRY].iotype).split("=")[1].strip(),
+ x[IDX_RINGENTRY].size,
+ x[IDX_RINGENTRY].vaddr,
+ x[IDX_RINGENTRY].paddr,
+ x[IDX_RINGENTRY].val)
+
+ Trace_cmd(cmd_args, cmd_options, hdrString, entryString, kern.globals.iotrace_ring, kern.globals.iotrace_entries_per_cpu, MAX_IOTRACE_BACKTRACES)
+
+
+@lldb_command('ttrace', 'C:N:S:RB')
+def TrapTrace_cmd(cmd_args=[], cmd_options={}):
+ """ Prints the iotrace ring buffers for all CPUs by default.
+ Arguments:
+ -B : Print backtraces for each ring entry
+ -C <cpuSpec#>[,...,<cpuSpec#N>] : Limit trace entries to those generated by the specified CPUs (each cpuSpec can be a
+ single CPU number or a range separated by a dash (e.g. "0-3"))
+ -N <count> : Limit output to the first <count> entries (across all chosen CPUs)
+ -R : Display results in reverse-sorted order (oldest first; default is newest-first)
+ -S <sort_key_field_name> : Sort output by specified traptrace_entry_t field name (instead of by timestamp)
+ """
+ MAX_TRAPTRACE_BACKTRACES = 8
+
+ if kern.arch != "x86_64":
+ print "Sorry, ttrace is an x86-only command."
+ return
+
+ hdrString = lambda : "%-30s CPU#[RIDX] VECT INTERRUPTED_THREAD PREMLV INTRLV INTERRUPTED_PC" % (
+ "START TIME (DURATION [ns])")
+ entryString = lambda x : "%-20u(%6s) %8s[%02d] 0x%02x 0x%016x %6d %6d %s" % (
+ x[IDX_RINGENTRY].start_time_abs,
+ str(x[IDX_RINGENTRY].duration) if hex(x[IDX_RINGENTRY].duration) != "0xffffffffffffffff" else 'inprog',
+ "CPU%d" % x[IDX_CPU],
+ x[IDX_RINGPOS],
+ int(x[IDX_RINGENTRY].vector),
+ x[IDX_RINGENTRY].curthread,
+ x[IDX_RINGENTRY].curpl,
+ x[IDX_RINGENTRY].curil,
+ GetSourceInformationForAddress(x[IDX_RINGENTRY].interrupted_pc))
+
+ Trace_cmd(cmd_args, cmd_options, hdrString, entryString, kern.globals.traptrace_ring,
+ kern.globals.traptrace_entries_per_cpu, MAX_TRAPTRACE_BACKTRACES)
+@lldb_command('showsysctls', 'P:')
+def ShowSysctls(cmd_args=[], cmd_options={}):
+ """ Walks the list of sysctl data structures, printing out each during traversal.
+ Arguments:
+ -P <string> : Limit output to sysctls starting with the specified prefix.
+ """
+ if '-P' in cmd_options:
+ _ShowSysctl_prefix = cmd_options['-P']
+ allowed_prefixes = _ShowSysctl_prefix.split('.')
+ if allowed_prefixes:
+ for x in xrange(1, len(allowed_prefixes)):
+ allowed_prefixes[x] = allowed_prefixes[x - 1] + "." + allowed_prefixes[x]
+ else:
+ _ShowSysctl_prefix = ''
+ allowed_prefixes = []
+ def IterateSysctls(oid, parent_str, i):
+ headp = oid
+ parentstr = "<none>" if parent_str is None else parent_str
+ for pp in IterateListEntry(headp, 'struct sysctl_oid *', 'oid_link', 's'):
+ type = pp.oid_kind & 0xf
+ next_parent = str(pp.oid_name)
+ if parent_str is not None:
+ next_parent = parent_str + "." + next_parent
+ st = (" " * i) + str(pp.GetSBValue().Dereference()).replace("\n", "\n" + (" " * i))
+ if type == 1 and pp.oid_arg1 != 0:
+ # Check allowed_prefixes to see if we can recurse from root to the allowed prefix.
+ # To recurse further, we need to check only the the next parent starts with the user-specified
+ # prefix
+ if next_parent not in allowed_prefixes and next_parent.startswith(_ShowSysctl_prefix) is False:
+ continue
+ print 'parent = "%s"' % parentstr, st[st.find("{"):]
+ IterateSysctls(Cast(pp.oid_arg1, "struct sysctl_oid_list *"), next_parent, i + 2)
+ elif _ShowSysctl_prefix == '' or next_parent.startswith(_ShowSysctl_prefix):
+ print ('parent = "%s"' % parentstr), st[st.find("{"):]
+ IterateSysctls(kern.globals.sysctl__children, None, 0)
+
from memory import *
projects / apple / xnu.git / blobdiff