)
# EndMacro: mbuf_stat
-# Macro: mbuf_walk_mleak_traces
-@lldb_command('mbuf_walk_mleak_traces')
-def MbufWalkMleakTraces(cmd_args=None):
- """ Print mleak_traces
- """
- i = 0
- while (i<256):
- trace = kern.globals.mleak_traces[i]
- out_string = ""
- if (trace.allocs != 0):
- print "Index: " + str(i)
- out_string += ":" + str(trace.allocs) + " outstanding allocs\n"
- out_string += str(trace.hitcount) + " hitcount\n"
- out_string += str(trace.collisions) + " collisions\n"
- out_string += "Backtrace saved " + str(trace.depth) + " deep\n"
- if (trace.depth != 0):
- cnt = 0
- while (cnt < trace.depth):
- out_string += str(cnt + 1) + ": "
- out_string += GetPc(trace.addr[cnt])
- out_string += "\n"
- cnt += 1
- print out_string
- i +=1
-# EndMacro: mbuf_walk_mleak_traces
-
# Macro: mbuf_walkpkt
@lldb_command('mbuf_walkpkt')
def MbufWalkPacket(cmd_args=None):
raise ArgumentError("Missing argument 0 in user function.")
m = kern.GetValueFromAddress(cmd_args[0], 'mbuf *')
- gix = (m - Cast(kern.globals.mbutl, 'char *')) >> MBSHIFT
- slabstbl = kern.globals.slabstbl
- ix = (m - Cast(slabstbl[int(gix)].slg_slab[0].sl_base, 'char *')) >> 12
- slab = addressof(slabstbl[int(gix)].slg_slab[int(ix)])
+ slab = GetMbufSlab(m)
if (kern.ptrsize == 8):
mbuf_slab_format = "0x{0:<16x}"
print mbuf_slab_format.format(slab)
out_string += "slot slab next obj mca tstamp C R N size flags\n"
out_string += "---- ---------- ---------- ---------- ---------- ---------- -- -- -- ------ -----\n"
- mbutl = cast(kern.globals.mbutl, 'union mbigcluster *')
- while x < NSLABSPMB:
+ mbutl = cast(kern.globals.mbutl, 'unsigned char *')
+ nslabspmb = int((1 << MBSHIFT) >> unsigned(kern.globals.page_shift))
+ while x < nslabspmb:
sl = addressof(slg.slg_slab[x])
mca = 0
obj = sl.sl_base
ts = 0
if (kern.globals.mclaudit != 0):
- ix = (obj - Cast(kern.globals.mbutl, 'char *')) >> 12
- clbase = mbutl + (sizeof(dereference(mbutl)) * ix)
- mclidx = (obj - clbase) >> 8
- mca = kern.globals.mclaudit[int(ix)].cl_audit[int(mclidx)]
- trn = (mca.mca_next_trn + kern.globals.mca_trn_max - 1) % kern.globals.mca_trn_max
+ mca = GetMbufMcaPtr(obj, sl.sl_class)
+ trn = (mca.mca_next_trn + unsigned(kern.globals.mca_trn_max) - 1) % unsigned(kern.globals.mca_trn_max)
ts = mca.mca_trns[trn].mca_tstamp
out_string += slabs_string_format.format((x + 1), sl, sl.sl_next, obj, hex(mca), int(ts), int(sl.sl_class), int(sl.sl_refcnt), int(sl.sl_chunks), int(sl.sl_len), hex(sl.sl_flags))
ts = 0
if (kern.globals.mclaudit != 0):
- ix = (obj - Cast(kern.globals.mbutl, 'char *')) >> 12
- clbase = mbutl + (sizeof(dereference(mbutl)) * ix)
- mclidx = (obj - clbase) >> 8
- mca = kern.globals.mclaudit[int(ix)].cl_audit[int(mclidx)]
- trn = (mca.mca_next_trn + kern.globals.mca_trn_max - 1) % kern.globals.mca_trn_max
+ mca = GetMbufMcaPtr(obj, sl.sl_class)
+ trn = (mca.mca_next_trn + unsigned(kern.globals.mca_trn_max) - 1) % unsigned(kern.globals.mca_trn_max)
ts = mca.mca_trns[trn].mca_tstamp
if (kern.ptrsize == 8):
slabstbl = kern.globals.slabstbl
slabs_table_blank_string_format = "{0:>3d}: - \n"
+ nslabspmb = int(((1 << MBSHIFT) >> unsigned(kern.globals.page_shift)))
while (x < unsigned(kern.globals.maxslabgrp)):
slg = slabstbl[x]
if (slg == 0):
else:
if (kern.ptrsize == 8):
slabs_table_string_format = "{0:>3d}: 0x{1:16x} [ 0x{2:16x} - 0x{3:16x} ]\n"
- out_string += slabs_table_string_format.format(x+1, slg, addressof(slg.slg_slab[0]), addressof(slg.slg_slab[NSLABSPMB-1]))
+ out_string += slabs_table_string_format.format(x+1, slg, addressof(slg.slg_slab[0]), addressof(slg.slg_slab[nslabspmb-1]))
else:
slabs_table_string_format = "{0:>3d}: 0x{1:8x} [ 0x{2:8x} - 0x{3:8x} ]\n"
- out_string += slabs_table_string_format.format(x+1, slg, addressof(slg.slg_slab[0]), addressof(slg.slg_slab[NSLABSPMB-1]))
+ out_string += slabs_table_string_format.format(x+1, slg, addressof(slg.slg_slab[0]), addressof(slg.slg_slab[nslabspmb-1]))
x += 1
print out_string
# EndMacro: mbuf_slabstbl
+def GetMbufMcaPtr(m, cl):
+ pgshift = int(kern.globals.page_shift)
+ ix = int((m - Cast(kern.globals.mbutl, 'char *')) >> pgshift)
+ page_addr = (Cast(kern.globals.mbutl, 'char *') + (ix << pgshift))
+
+ if (int(cl) == 0):
+ midx = int((m - page_addr) >> 8)
+ mca = kern.globals.mclaudit[ix].cl_audit[midx]
+ elif (int(cl) == 1):
+ midx = int((m - page_addr) >> 11)
+ mca = kern.globals.mclaudit[ix].cl_audit[midx]
+ elif (int(cl) == 2):
+ midx = int((m - page_addr) >> 12)
+ mca = kern.globals.mclaudit[ix].cl_audit[midx]
+ else:
+ mca = kern.globals.mclaudit[ix].cl_audit[0]
+ return Cast(mca, 'mcache_audit_t *')
+
+def GetMbufSlab(m):
+ pgshift = int(kern.globals.page_shift)
+ gix = int((Cast(m, 'char *') - Cast(kern.globals.mbutl, 'char *')) >> MBSHIFT)
+ slabstbl = kern.globals.slabstbl
+ ix = int((Cast(m, 'char *') - Cast(slabstbl[gix].slg_slab[0].sl_base, 'char *')) >> pgshift)
+ return addressof(slabstbl[gix].slg_slab[ix])
def GetMbufBuf2Mca(m):
- ix = (m - Cast(kern.globals.mbutl, 'char *')) >> 12
- #mbutl = Cast(kern.globals.mbutl, 'union mbigcluster *')
- mbutl = cast(kern.globals.mbutl, 'union mbigcluster *')
- clbase = mbutl + (sizeof(dereference(mbutl)) * ix)
- mclidx = (m - clbase) >> 8
- mca = kern.globals.mclaudit[int(ix)].cl_audit[int(mclidx)]
+ sl = GetMbufSlab(m)
+ mca = GetMbufMcaPtr(m, sl.sl_class)
return str(mca)
def GetMbufWalkAllSlabs(show_a, show_f, show_tr):
show_mca_string_format = "{0:4s} {1:4s} {2:8s} {3:8s} {4:8} {5:12s} {6:12s}"
out_string += show_mca_string_format.format("slot", "idx", "slab address", "mca address", "obj address", "type", "allocation state\n")
+ nslabspmb = unsigned((1 << MBSHIFT) >> unsigned(kern.globals.page_shift))
while (x < unsigned(kern.globals.slabgrp)):
slg = kern.globals.slabstbl[x]
y = 0
stop = 0
- while ((y < NSLABSPMB) and (stop == 0)):
+ while ((y < nslabspmb) and (stop == 0)):
sl = addressof(slg.slg_slab[y])
base = sl.sl_base
- mbutl = cast(kern.globals.mbutl, 'union mbigcluster *')
- ix = (base - mbutl) >> 12
- clbase = mbutl + (sizeof(dereference(mbutl)) * ix)
- mclidx = (base - clbase) >> 8
- mca = kern.globals.mclaudit[int(ix)].cl_audit[int(mclidx)]
+ mca = GetMbufMcaPtr(base, sl.sl_class)
first = 1
while ((Cast(mca, 'int') != 0) and (unsigned(mca.mca_addr) != 0)):
total = total + 1
if (show_tr != 0):
- idx = int(show_tr)
trn = (mca.mca_next_trn + idx - 1) % unsigned(kern.globals.mca_trn_max)
out_string += "Transaction " + str(int(trn)) + " at " + str(int(mca.mca_trns[int(trn)].mca_tstamp)) + " by thread: 0x" + str(hex(mca.mca_trns[int(trn)].mca_thread)) + ":\n"
cnt = 0
else:
out_string += "CL "
return out_string
- if (csize == NBPG):
+ if (csize == MBIGCLBYTES):
if (vopt):
out_string += "BCL (4K cluster) "
else:
out_string += "(unpaired 2K cluster, mbuf) "
return out_string
- if (csize == (MSIZE + NBPG)):
+ if (csize == (MSIZE + MBIGCLBYTES)):
if (mca.mca_uflags & MB_SCVALID):
if (mca.mca_uptr):
out_string += "M+BCL "
""" Print the contents of an mbuf mcache audit structure
"""
out_string = ""
+ pgshift = unsigned(kern.globals.page_shift)
if cmd_args:
mca = kern.GetValueFromAddress(cmd_args[0], 'mcache_audit_t *')
cp = mca.mca_cache
out_string += GetMbufMcaCtype(mca, 1)
out_string += "\nControlling mcache :\t" + hex(mca.mca_cache) + " (" + str(cp.mc_name) + ")\n"
if (mca.mca_uflags & MB_SCVALID):
- mbutl = cast(kern.globals.mbutl, 'union mbigcluster *')
- ix = (mca.mca_addr - mbutl) >> 12
- clbase = mbutl + (sizeof(dereference(mbutl)) * ix)
+ mbutl = Cast(kern.globals.mbutl, 'unsigned char *')
+ ix = (mca.mca_addr - mbutl) >> pgshift
+ clbase = mbutl + (ix << pgshift)
mclidx = (mca.mca_addr - clbase) >> 8
out_string += "mbuf obj :\t\t" + hex(mca.mca_addr) + "\n"
out_string += "mbuf index :\t\t" + str(mclidx + 1) + " (out of 16) in cluster base " + hex(clbase) + "\n"
peer_mca = cast(mca.mca_uptr, 'mcache_audit_t *')
out_string += "paired mbuf obj :\t" + hex(peer_mca.mca_addr) + " (mca " + hex(peer_mca) + ")\n"
- for idx in range(kern.globals.mca_trn_max, 0, -1):
+ for idx in range(unsigned(kern.globals.mca_trn_max), 0, -1):
trn = (mca.mca_next_trn + idx - 1) % unsigned(kern.globals.mca_trn_max)
out_string += "transaction {:d} (tstamp {:d}, thread 0x{:x}):\n".format(trn, mca.mca_trns[trn].mca_tstamp, mca.mca_trns[trn].mca_thread)
cnt = 0
projects / apple / xnu.git / blobdiff