# $Id$
#
# Copyright (C) 2010 Internet Systems Consortium ("ISC")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
# Use gnuplot to graph interesting data from gc_summary lines in rpkid logs.
import sys, os, time
class datapoint(object):
outtype = os.getenv("OUTTYPE", "png")
outname = os.getenv("OUTNAME", "")
timefmt = os.getenv("TIMEFMT", "%T")
pretend = os.getenv("PRETEND_EVERYTHING_CHANGED", False)
threshold = int(os.getenv("THRESHOLD", "100"))
raw = []
filenames = []
def __init__(self, filename, timestamp, process, count, typesig, line):
self.filename = filename
self.timestamp = timestamp
self.process = process
self.count = count
self.typesig = typesig
self.line = line
self.key = "%s %s" % (filename, typesig)
self.raw.append(self)
if filename not in self.filenames:
self.filenames.append(filename)
def __cmp__(self, other):
c = cmp(self.key, other.key)
return c if c else cmp(self.timestamp, other.timestamp)
@classmethod
def plot(cls):
print "# [%s] Looking for interesting records" % time.strftime("%T")
changed = {}
for i in cls.raw:
if i.key not in changed:
changed[i.key] = set()
changed[i.key].add(i.count)
if cls.pretend:
changed = set(changed.iterkeys())
else:
changed = set(k for k, v in changed.iteritems() if max(v) - min(v) > cls.threshold)
if not changed:
print "# [%s] Apparently nothing worth reporting" % time.strftime("%T")
print "print 'Nothing to plot'"
return
print "# [%s] Header" % time.strftime("%T")
print "set xdata time"
print "set timefmt '%Y-%m-%dT%H:%M:%S'"
print "set format x '%s'" % cls.timefmt
print "set key right bottom"
if cls.outname:
print "set terminal", cls.outtype
print "set output '%s.%s'" % (cls.outname, cls.outtype)
print "set term png size 1024,1024"
print "plot", ", ".join("'-' using 1:2 with linespoints title '%s'" % i for i in changed)
print "# [%s] Sorting" % time.strftime("%T")
cls.raw.sort()
key = None
proc = None
for i in cls.raw:
if i.key not in changed:
continue
if key is not None and i.key != key:
print "e"
elif proc is not None and i.process != proc:
print ""
key = i.key
proc = i.process
print "#", i.key, i.line
print i.timestamp, i.count
print "e"
if not cls.outname:
print "pause mouse any"
for filename in sys.argv[1:]:
print "# [%s] Reading %s" % (time.strftime("%T"), filename)
for line in open(filename):
if "gc_summary:" in line:
word = line.split(None, 6)
if word[4].isdigit() and word[5].startswith("(") and word[5].endswith(")"):
datapoint(filename = filename,
timestamp = word[0] + "T" + word[1],
process = word[2],
count = int(word[4]),
typesig = word[5],
line = line.strip())
print "# [%s] Plotting" % time.strftime("%T")
datapoint.plot()
n20' href='#n20'>20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|