xnu-6153.81.5.tar.gz

[apple/xnu.git] / tools / lldbmacros / mbufs.py

diff --git a/tools/lldbmacros/mbufs.py b/tools/lldbmacros/mbufs.py
old mode 100644 (file)
new mode 100755 (executable)
index c16456a..9affaa7
--- a/tools/lldbmacros/mbufs.py
+++ b/tools/lldbmacros/mbufs.py
@@ -328,7 +328,10 @@ def GetMbufWalkAllSlabs(show_a, show_f, show_tr):
                     total = total + 1
 
                     if (show_tr != 0):
-                        trn = (mca.mca_next_trn + idx - 1) % unsigned(kern.globals.mca_trn_max)
+                        if (mca.mca_next_trn == 0):
+                            trn = 1
+                        else:
+                            trn = 0
                         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
                         while (cnt < mca.mca_trns[int(trn)].mca_depth):
@@ -461,42 +464,9 @@ def GetPointerAsString(kgm_pc):
         pointer_format_string = "0x{0:<8x} "
     return pointer_format_string.format(kgm_pc)
 
-def GetKmodAddrIntAsString(kgm_pc):
-    global kgm_pkmod
-    global kgm_pkmodst
-    global kgm_pkmoden
-
-    out_string = ""
-    mh_execute_addr = int(lldb_run_command('p/x (uintptr_t *)&_mh_execute_header').split('=')[-1].strip(), 16)
-
-    out_string += GetPointerAsString(kgm_pc)
-    if ((unsigned(kgm_pc) >= unsigned(kgm_pkmodst)) and (unsigned(kgm_pc) < unsigned(kgm_pkmoden))):
-            kgm_off = kgm_pc - kgm_pkmodst
-            out_string += "<" + str(Cast(kgm_pkmod, 'kmod_info_t *').name) + " + 0x" + str(kgm_off) + ">"
-    else:
-        kgm_kmodp = kern.globals.kmod
-        if ((kern.arch == 'x86_64') and (long(kgm_pc) >= long(mh_execute_addr))):
-            kgm_kmodp = 0
-
-        while kgm_kmodp:
-            kgm_off = unsigned((kgm_pc - kgm_kmodp.address) & 0x00000000ffffffff)
-            if ((long(kgm_kmodp.address) <= long(kgm_pc)) and (kgm_off) < unsigned(kgm_kmodp.size)):
-                kgm_pkmod = kgm_kmodp
-                kgm_pkmodst = unsigned(kgm_kmodp.address)
-                kgm_pkmoden = unsigned(kgm_pkmodst + kgm_kmodp.size)
-                kgm_kmodp = 0
-            else:
-                kgm_kmodp = kgm_kmodp.next
-    return out_string
-
 def GetPc(kgm_pc):
-    out_string = ""
-    mh_execute_addr = int(lldb_run_command('p/x (uintptr_t *)&_mh_execute_header').split('=')[-1].strip(), 16)
-    if (unsigned(kgm_pc) < unsigned(mh_execute_addr) or unsigned(kgm_pc) >= unsigned(kern.globals.vm_kernel_top)):
-        out_string += GetKmodAddrIntAsString(kgm_pc)
-    else:
-        out_string += GetSourceInformationForAddress(int(kgm_pc))
-    return out_string + "\n"
+    out_string = GetSourceInformationForAddress(unsigned(kgm_pc)) + "\n"
+    return out_string
 
 
 # Macro: mbuf_showactive
@@ -593,7 +563,7 @@ def MbufShowMca(cmd_args=None):
 def MbufShowAll(cmd_args=None):
     """ Print all mbuf objects
     """
-    print GetMbufWalkAllSlabs(1, 1, 0)
+    print GetMbufWalkAllSlabs(1, 1, 1)
 # EndMacro: mbuf_showall
 
 # Macro: mbuf_countchain
@@ -656,6 +626,28 @@ def GetMbufTraceLeak(trace):
                 cnt += 1
     return out_string
 
+@lldb_command('mbuf_largefailures')
+def MbufLargeFailures(cmd_args=None):
+    """ Print the largest allocation failures
+    """
+    topcnt = 0
+    if (int(len(cmd_args)) > 0 and int(cmd_args[0]) < 5):
+        maxcnt = cmd_args[0]
+    else:
+        maxcnt = 5
+    while (topcnt < maxcnt):
+        trace = kern.globals.mtracelarge_table[topcnt]
+        if (trace.size == 0):
+            topcnt += 1
+            continue
+        print str(trace.size)
+        if (trace.depth != 0):
+            cnt = 0
+            while (cnt < trace.depth):
+                print str(cnt + 1) + ": " + GetPc(trace.addr[cnt])
+                cnt += 1
+        topcnt += 1
+
 
 # Macro: mbuf_traceleak
 @lldb_command('mbuf_traceleak')
@@ -788,3 +780,12 @@ def McacheShowCache(cmd_args=None):
     out_string += "Total # of objects cached:\t\t" + str(total) + "\n"
     print out_string
 # EndMacro: mcache_showcache
+
+# Macro: mbuf_wdlog
+@lldb_command('mbuf_wdlog')
+def McacheShowCache(cmd_args=None):
+    """Display the watchdog log
+    """
+    lldb_run_command('settings set max-string-summary-length 4096')
+    print('%s' % lldb_run_command('p/s mbwdog_logging').replace("\\n","\n"))
+# EndMacro: mbuf_wdlog