Remove gclog.py

The GC event log entries are no longer generated, so we no longer
need this.

Change-Id: I247bbc44d628ac5e54dfe031d09eb14edbff8d4d

1 files changed, 0 insertions, 234 deletions

diff --git a/tools/gclog.py b/tools/gclog.py
deleted file mode 100755
index d008f6adb..000000000
--- a/tools/gclog.py
+++ /dev/null
@@ -1,234 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (C) 2009 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-#
-# Parse event log output, looking for GC events.  Format them for human
-# consumption.
-#
-# ALL OUTPUT VALUES ARE APPROXIMATE.  The event log data format uses a
-# 12-bit floating-point representation, which means there aren't enough
-# bits to accurately represent anything but small integers.  Larger
-# values will be rounded off.
-#
-# The data is generated by dalvik/vm/alloc/HeapDebug.c.
-#
-
-import getopt
-import sys
-import os
-import re
-import time
-
-DEBUG = False       # DEBUG is a global variable
-
-
-def unfloat12(f12):
-    """Unpack a float12 value"""
-    if f12 < 0:
-        raise DataParseError, "bad float12 value %s" % f12
-    return (f12 & 0x1ff) << ((f12 >> 9) * 4)
-
-
-def parseGlobalInfo(value):
-    """Parse event0 (global info)"""
-    value = int(value)
-
-    # Global information:
-    #
-    # [63   ] Must be zero
-    # [62-24] ASCII process identifier
-    # [23-12] GC time in ms
-    # [11- 0] Bytes freed
-    id = (value >> 24) & 0xffffffffff
-    gctime = unfloat12((value >> 12) & 0xfff)
-    bytes_freed = unfloat12(value & 0xfff)
-
-    idstr = "%c%c%c%c%c" % ( \
-            (id >> 32) & 0xff, \
-            (id >> 24) & 0xff, \
-            (id >> 16) & 0xff, \
-            (id >> 8) & 0xff, \
-            id & 0xff )
-
-    return ( idstr, gctime, bytes_freed )
-
-
-def parseAggHeapStats(value):
-    """Parse event1 (aggregated heap stats)"""
-    value = int(value)
-
-    # Aggregated heap stats:
-    #
-    # [63-62] 10
-    # [61-60] Reserved; must be zero
-    # [59-48] Objects freed
-    # [47-36] Actual size (current footprint)
-    # [35-24] Allowed size (current hard max)
-    # [23-12] Objects allocated
-    # [11- 0] Bytes allocated
-    freed = unfloat12((value >> 48) & 0xfff)
-    footprint = unfloat12((value >> 36) & 0xfff)
-    allowed = unfloat12((value >> 24) & 0xfff)
-    objs = unfloat12((value >> 12) & 0xfff)
-    bytes = unfloat12(value & 0xfff)
-
-    return ( freed, footprint, allowed, objs, bytes )
-
-
-def parseZygoteStats(value):
-    """Parse event2 (zygote heap stats)"""
-    value = int(value)
-
-    # Zygote heap stats (except for the soft limit, which belongs to the
-    # active heap):
-    #
-    # [63-62] 11
-    # [61-60] Reserved; must be zero
-    # [59-48] Soft Limit (for the active heap)
-    # [47-36] Actual size (current footprint)
-    # [35-24] Allowed size (current hard max)
-    # [23-12] Objects allocated
-    # [11- 0] Bytes allocated
-    soft_limit = unfloat12((value >> 48) & 0xfff)
-    actual = unfloat12((value >> 36) & 0xfff)
-    allowed = unfloat12((value >> 24) & 0xfff)
-    objs = unfloat12((value >> 12) & 0xfff)
-    bytes = unfloat12(value & 0xfff)
-
-    return ( soft_limit, actual, allowed, objs, bytes )
-
-
-def parseExternalStats(value):
-    """Parse event3 (external allocation stats)"""
-    value = int(value)
-
-    # Report the current external allocation stats and the native heap
-    # summary.
-    #
-    # [63-48] Reserved; must be zero (TODO: put new data in these slots)
-    # [47-36] dlmalloc_footprint
-    # [35-24] mallinfo: total allocated space
-    # [23-12] External byte limit
-    # [11- 0] External bytes allocated
-    footprint = unfloat12((value >> 36) & 0xfff)    # currently disabled
-    total = unfloat12((value >> 24) & 0xfff)        # currently disabled
-    limit = unfloat12((value >> 12) & 0xfff)
-    bytes = unfloat12(value & 0xfff)
-
-    return ( footprint, total, limit, bytes )
-
-
-def handleGcInfo(procFilter, timestamp, pid, values):
-    """Handle a single dvm_gc_info event"""
-
-    pid = int(pid)
-
-    global_info = parseGlobalInfo(values[0])
-
-    if len(procFilter) > 0:
-        if global_info[0] != procFilter:
-            return
-
-    heap_stats = parseAggHeapStats(values[1])
-    zygote = parseZygoteStats(values[2])
-    external = parseExternalStats(values[3])
-
-    print "%s %s(%d) softlim=%dKB, extlim=%dKB, extalloc=%dKB" % \
-            (timestamp, global_info[0], pid, zygote[0]/1024, external[2]/1024, external[3]/1024)
-
-    if DEBUG:
-        # print "RAW: %s %s (%s,%s,%s,%s)" % \
-        #        (timestamp, pid, values[0], values[1], values[2], values[3])
-
-        print "+ id=\"%s\" time=%d freed=%d" % (global_info[0], global_info[1], global_info[2])
-        print "+  freed=%d foot=%d allow=%d objs=%d bytes=%d" % \
-                (heap_stats[0], heap_stats[1], heap_stats[2], heap_stats[3], heap_stats[4])
-        print "+  soft=%d act=%d allow=%d objs=%d bytes=%d" % \
-                (zygote[0], zygote[1], zygote[2], zygote[3], zygote[4])
-        print "+  foot=%d total=%d limit=%d alloc=%d" % \
-                (external[0], external[1], external[2], external[3])
-
-    print "  freed %d objects / %d bytes in %dms" % \
-            (heap_stats[0], global_info[2], global_info[1])
-
-
-def filterInput(logPipe, processFilter):
-    """Loop until EOF, pulling out GC events"""
-
-    # 04-29 20:31:00.334 I/dvm_gc_info(   69): [8320808730292729543,-8916699241518090181,-4006371297196337158,8165229]
-    gc_info_re = re.compile(r"""
-        (\d+-\d+\ \d+:\d+:\d+)\.\d+     # extract the date (#1), ignoring ms
-        .*                              # filler, usually " I/"
-        dvm_gc_info                     # only interested in GC info lines
-        \(\s*(\d+)\)                    # extract the pid (#2)
-        :\ \[                           # filler
-        ([0-9-]+),([0-9-]+),([0-9-]+),([0-9-]+) # four values, may be negative
-        \].*                            # junk to end of line
-        """, re.VERBOSE)
-
-    while True:
-        line = logPipe.readline()
-        if not line:
-            print "EOF hit"
-            return
-
-        match = gc_info_re.match(line)
-        if not match:
-            #print "no match on %s" % line.strip()
-            continue
-        else:
-            handleGcInfo(processFilter, match.group(1), match.group(2), ( match.group(3), \
-                    match.group(4), match.group(5), match.group(6) ) )
-
-def PrintUsage():
-  print "usage: %s [-p procFilter] [-d]" % sys.argv[0]
-
-
-def start():
-    """Entry point"""
-
-    global DEBUG
-
-    procFilter = ""
-
-    opts, args = getopt.getopt(sys.argv[1:], "hdp:")
-
-    for opt, val in opts:
-        if opt == "-h":
-            PrintUsage()
-            sys.exit(2)
-        elif opt == "-p":
-            procFilter = val
-        elif opt == "-d":
-            DEBUG = True
-
-    print "procfilter = %s" % procFilter
-    print "DEBUG = %s" % DEBUG
-
-    # launch a logcat and read from it
-    command = 'adb logcat -v time -b events'
-    logPipe = os.popen(command)
-
-
-    try:
-        filterInput(logPipe, procFilter)
-    except KeyboardInterrupt, err:
-        print "Stopping on keyboard interrupt."
-
-    logPipe.close()
-
-
-start()