1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
|
BUILDSTATS_BASE = "${TMPDIR}/buildstats/"
BNFILE = "${BUILDSTATS_BASE}/.buildname"
DEVFILE = "${BUILDSTATS_BASE}/.device"
################################################################################
# Build statistics gathering.
#
# The CPU and Time gathering/tracking functions and bbevent inspiration
# were written by Christopher Larson and can be seen here:
# http://kergoth.pastey.net/142813
#
################################################################################
def get_process_cputime(pid):
fields = open("/proc/%d/stat" % pid, "r").readline().rstrip().split()
# 13: utime, 14: stime, 15: cutime, 16: cstime
return sum(int(field) for field in fields[13:16])
def get_cputime():
fields = open("/proc/stat", "r").readline().rstrip().split()[1:]
return sum(int(field) for field in fields)
def set_bn(e):
bn = e.getPkgs()[0] + "-" + e.data.getVar('MACHINE', True)
try:
os.remove(e.data.getVar('BNFILE', True))
except:
pass
file = open(e.data.getVar('BNFILE', True), "w")
file.write(os.path.join(bn, e.data.getVar('BUILDNAME', True)))
file.close()
def get_bn(e):
file = open(e.data.getVar('BNFILE', True))
bn = file.readline()
file.close()
return bn
def set_device(e):
tmpdir = e.data.getVar('TMPDIR', True)
try:
os.remove(e.data.getVar('DEVFILE', True))
except:
pass
############################################################################
# We look for the volume TMPDIR lives on. To do all disks would make little
# sense and not give us any particularly useful data. In theory we could do
# something like stick DL_DIR on a different partition and this would
# throw stats gathering off. The same goes with SSTATE_DIR. However, let's
# get the basics in here and work on the cornercases later.
# A note. /proc/diskstats does not contain info on encryptfs, tmpfs, etc.
# If we end up hitting one of these fs, we'll just skip diskstats collection.
############################################################################
device=os.stat(tmpdir)
majordev=os.major(device.st_dev)
minordev=os.minor(device.st_dev)
############################################################################
# Bug 1700:
# Because tmpfs/encryptfs/ramfs etc inserts no entry in /proc/diskstats
# we set rdev to NoLogicalDevice and search for it later. If we find NLD
# we do not collect diskstats as the method to collect meaningful statistics
# for these fs types requires a bit more research.
############################################################################
rdev="NoLogicalDevice"
try:
for line in open("/proc/diskstats", "r"):
if majordev == int(line.split()[0]) and minordev == int(line.split()[1]):
rdev=line.split()[2]
except:
pass
file = open(e.data.getVar('DEVFILE', True), "w")
file.write(rdev)
file.close()
def get_device(e):
file = open(e.data.getVar('DEVFILE', True))
device = file.readline()
file.close()
return device
def get_diskstats(dev):
import itertools
############################################################################
# For info on what these are, see kernel doc file iostats.txt
############################################################################
DSTAT_KEYS = ['ReadsComp', 'ReadsMerged', 'SectRead', 'TimeReads', 'WritesComp', 'SectWrite', 'TimeWrite', 'IOinProgress', 'TimeIO', 'WTimeIO']
try:
for x in open("/proc/diskstats", "r"):
if dev in x:
diskstats_val = x.rstrip().split()[4:]
except IOError as e:
return
diskstats = dict(itertools.izip(DSTAT_KEYS, diskstats_val))
return diskstats
def set_diskdata(var, dev, data):
data.setVar(var, get_diskstats(dev))
def get_diskdata(var, dev, data):
olddiskdata = data.getVar(var, False)
diskdata = {}
if olddiskdata is None:
return
newdiskdata = get_diskstats(dev)
for key in olddiskdata.iterkeys():
diskdata["Start"+key] = str(int(olddiskdata[key]))
diskdata["End"+key] = str(int(newdiskdata[key]))
return diskdata
def set_timedata(var, data):
import time
time = time.time()
cputime = get_cputime()
proctime = get_process_cputime(os.getpid())
data.setVar(var, (time, cputime, proctime))
def get_timedata(var, data):
import time
timedata = data.getVar(var, False)
if timedata is None:
return
oldtime, oldcpu, oldproc = timedata
procdiff = get_process_cputime(os.getpid()) - oldproc
cpudiff = get_cputime() - oldcpu
timediff = time.time() - oldtime
if cpudiff > 0:
cpuperc = float(procdiff) * 100 / cpudiff
else:
cpuperc = None
return timediff, cpuperc
def write_task_data(status, logfile, dev, e):
bn = get_bn(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, e.data.expand("${PF}"))
file = open(os.path.join(logfile), "a")
timedata = get_timedata("__timedata_task", e.data)
if timedata:
elapsedtime, cpu = timedata
file.write(bb.data.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
(e.task, elapsedtime), e.data))
if cpu:
file.write("CPU usage: %0.1f%% \n" % cpu)
############################################################################
# Here we gather up disk data. In an effort to avoid lying with stats
# I do a bare minimum of analysis of collected data.
# The simple fact is, doing disk io collection on a per process basis
# without effecting build time would be difficult.
# For the best information, running things with BB_TOTAL_THREADS = "1"
# would return accurate per task results.
############################################################################
if dev != "NoLogicalDevice":
diskdata = get_diskdata("__diskdata_task", dev, e.data)
if diskdata:
for key in sorted(diskdata.iterkeys()):
file.write(key + ": " + diskdata[key] + "\n")
if status is "passed":
file.write("Status: PASSED \n")
else:
file.write("Status: FAILED \n")
file.write("Ended: %0.2f \n" % time.time())
file.close()
python run_buildstats () {
import bb.build
import bb.event
import bb.data
import time, subprocess, platform
if isinstance(e, bb.event.BuildStarted):
########################################################################
# at first pass make the buildstats heriarchy and then
# set the buildname
########################################################################
try:
bb.mkdirhier(e.data.getVar('BUILDSTATS_BASE', True))
except:
pass
set_bn(e)
bn = get_bn(e)
set_device(e)
device = get_device(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
try:
bb.mkdirhier(bsdir)
except:
pass
if device != "NoLogicalDevice":
set_diskdata("__diskdata_build", device, e.data)
set_timedata("__timedata_build", e.data)
build_time = os.path.join(bsdir, "build_stats")
# write start of build into build_time
file = open(build_time,"a")
host_info = platform.uname()
file.write("Host Info: ")
for x in host_info:
if x:
file.write(x + " ")
file.write("\n")
file.write("Build Started: %0.2f \n" % time.time())
file.close()
elif isinstance(e, bb.event.BuildCompleted):
bn = get_bn(e)
device = get_device(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, e.data.expand("${PF}"))
build_time = os.path.join(bsdir, "build_stats")
file = open(build_time, "a")
########################################################################
# Write build statistics for the build
########################################################################
timedata = get_timedata("__timedata_build", e.data)
if timedata:
time, cpu = timedata
# write end of build and cpu used into build_time
file = open(build_time, "a")
file.write("Elapsed time: %0.2f seconds \n" % (time))
if cpu:
file.write("CPU usage: %0.1f%% \n" % cpu)
if device != "NoLogicalDevice":
diskio = get_diskdata("__diskdata_build", device, e.data)
if diskio:
for key in sorted(diskio.iterkeys()):
file.write(key + ": " + diskio[key] + "\n")
file.close()
if isinstance(e, bb.build.TaskStarted):
bn = get_bn(e)
device = get_device(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, e.data.expand("${PF}"))
if device != "NoLogicalDevice":
set_diskdata("__diskdata_task", device, e.data)
set_timedata("__timedata_task", e.data)
try:
bb.mkdirhier(taskdir)
except:
pass
# write into the task event file the name and start time
file = open(os.path.join(taskdir, e.task), "a")
file.write("Event: %s \n" % bb.event.getName(e))
file.write("Started: %0.2f \n" % time.time())
file.close()
elif isinstance(e, bb.build.TaskSucceeded):
bn = get_bn(e)
device = get_device(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, e.data.expand("${PF}"))
write_task_data("passed", os.path.join(taskdir, e.task), device, e)
if e.task == "do_rootfs":
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
bs=os.path.join(bsdir, "build_stats")
file = open(bs,"a")
rootfs = e.data.getVar('IMAGE_ROOTFS', True)
rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read()
file.write("Uncompressed Rootfs size: %s" % rootfs_size)
file.close()
elif isinstance(e, bb.build.TaskFailed):
bn = get_bn(e)
device = get_device(e)
bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, e.data.expand("${PF}"))
write_task_data("failed", os.path.join(taskdir, e.task), device, e)
########################################################################
# Lets make things easier and tell people where the build failed in
# build_status. We do this here because BuildCompleted triggers no
# matter what the status of the build actually is
########################################################################
build_status = os.path.join(bsdir, "build_stats")
file = open(build_status,"a")
file.write(e.data.expand("Failed at: ${PF} at task: %s \n" % e.task))
file.close()
}
addhandler run_buildstats
|
