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
|
BUILDSTATS_BASE = "${TMPDIR}/buildstats/"
################################################################################
# Build statistics gathering.
#
# The CPU and Time gathering/tracking functions and bbevent inspiration
# were written by Christopher Larson.
#
################################################################################
def get_buildprocess_cputime(pid):
with open("/proc/%d/stat" % pid, "r") as f:
fields = f.readline().rstrip().split()
# 13: utime, 14: stime, 15: cutime, 16: cstime
return sum(int(field) for field in fields[13:16])
def get_process_cputime(pid):
import resource
with open("/proc/%d/stat" % pid, "r") as f:
fields = f.readline().rstrip().split()
stats = {
'utime' : fields[13],
'stime' : fields[14],
'cutime' : fields[15],
'cstime' : fields[16],
}
iostats = {}
if os.path.isfile("/proc/%d/io" % pid):
with open("/proc/%d/io" % pid, "r") as f:
while True:
i = f.readline().strip()
if not i:
break
i = i.split(": ")
iostats[i[0]] = i[1]
resources = resource.getrusage(resource.RUSAGE_SELF)
childres = resource.getrusage(resource.RUSAGE_CHILDREN)
return stats, iostats, resources, childres
def get_cputime():
with open("/proc/stat", "r") as f:
fields = f.readline().rstrip().split()[1:]
return sum(int(field) for field in fields)
def set_timedata(var, d, server_time):
d.setVar(var, server_time)
def get_timedata(var, d, end_time):
oldtime = d.getVar(var, False)
if oldtime is None:
return
return end_time - oldtime
def set_buildtimedata(var, d):
import time
time = time.time()
cputime = get_cputime()
proctime = get_buildprocess_cputime(os.getpid())
d.setVar(var, (time, cputime, proctime))
def get_buildtimedata(var, d):
import time
timedata = d.getVar(var, False)
if timedata is None:
return
oldtime, oldcpu, oldproc = timedata
procdiff = get_buildprocess_cputime(os.getpid()) - oldproc
cpudiff = get_cputime() - oldcpu
end_time = time.time()
timediff = end_time - oldtime
if cpudiff > 0:
cpuperc = float(procdiff) * 100 / cpudiff
else:
cpuperc = None
return timediff, cpuperc
def write_task_data(status, logfile, e, d):
bn = d.getVar('BUILDNAME', True)
bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
with open(os.path.join(logfile), "a") as f:
elapsedtime = get_timedata("__timedata_task", d, e.time)
if elapsedtime:
f.write(d.expand("${PF}: %s: Elapsed time: %0.2f seconds \n" %
(e.task, elapsedtime)))
cpu, iostats, resources, childres = get_process_cputime(os.getpid())
if cpu:
f.write("utime: %s\n" % cpu['utime'])
f.write("stime: %s\n" % cpu['stime'])
f.write("cutime: %s\n" % cpu['cutime'])
f.write("cstime: %s\n" % cpu['cstime'])
for i in iostats:
f.write("IO %s: %s\n" % (i, iostats[i]))
rusages = ["ru_utime", "ru_stime", "ru_maxrss", "ru_minflt", "ru_majflt", "ru_inblock", "ru_oublock", "ru_nvcsw", "ru_nivcsw"]
for i in rusages:
f.write("rusage %s: %s\n" % (i, getattr(resources, i)))
for i in rusages:
f.write("Child rusage %s: %s\n" % (i, getattr(childres, i)))
if status is "passed":
f.write("Status: PASSED \n")
else:
f.write("Status: FAILED \n")
f.write("Ended: %0.2f \n" % e.time)
python run_buildstats () {
import bb.build
import bb.event
import time, subprocess, platform
bn = d.getVar('BUILDNAME', True)
bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
taskdir = os.path.join(bsdir, d.getVar('PF', True))
if isinstance(e, bb.event.BuildStarted):
########################################################################
# If the kernel was not configured to provide I/O statistics, issue
# a one time warning.
########################################################################
if not os.path.isfile("/proc/%d/io" % os.getpid()):
bb.warn("The Linux kernel on your build host was not configured to provide process I/O statistics. (CONFIG_TASK_IO_ACCOUNTING is not set)")
########################################################################
# at first pass make the buildstats hierarchy and then
# set the buildname
########################################################################
bb.utils.mkdirhier(bsdir)
set_buildtimedata("__timedata_build", d)
build_time = os.path.join(bsdir, "build_stats")
# write start of build into build_time
with open(build_time, "a") as f:
host_info = platform.uname()
f.write("Host Info: ")
for x in host_info:
if x:
f.write(x + " ")
f.write("\n")
f.write("Build Started: %0.2f \n" % time.time())
elif isinstance(e, bb.event.BuildCompleted):
build_time = os.path.join(bsdir, "build_stats")
with open(build_time, "a") as f:
########################################################################
# Write build statistics for the build
########################################################################
timedata = get_buildtimedata("__timedata_build", d)
if timedata:
time, cpu = timedata
# write end of build and cpu used into build_time
f.write("Elapsed time: %0.2f seconds \n" % (time))
if cpu:
f.write("CPU usage: %0.1f%% \n" % cpu)
if isinstance(e, bb.build.TaskStarted):
set_timedata("__timedata_task", d, e.time)
bb.utils.mkdirhier(taskdir)
# write into the task event file the name and start time
with open(os.path.join(taskdir, e.task), "a") as f:
f.write("Event: %s \n" % bb.event.getName(e))
f.write("Started: %0.2f \n" % e.time)
elif isinstance(e, bb.build.TaskSucceeded):
write_task_data("passed", os.path.join(taskdir, e.task), e, d)
if e.task == "do_rootfs":
bs = os.path.join(bsdir, "build_stats")
with open(bs, "a") as f:
rootfs = d.getVar('IMAGE_ROOTFS', True)
rootfs_size = subprocess.Popen(["du", "-sh", rootfs], stdout=subprocess.PIPE).stdout.read()
f.write("Uncompressed Rootfs size: %s" % rootfs_size)
elif isinstance(e, bb.build.TaskFailed):
# Can have a failure before TaskStarted so need to mkdir here too
bb.utils.mkdirhier(taskdir)
write_task_data("failed", os.path.join(taskdir, e.task), e, d)
########################################################################
# 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")
with open(build_status, "a") as f:
f.write(d.expand("Failed at: ${PF} at task: %s \n" % e.task))
}
addhandler run_buildstats
run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed"
|
