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buildstats.bbclass: add functionality to collect build system stats

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There are a number of timeout and hang defects where
it would be useful to collect statistics about what
is running on a build host when that condition occurs.

This adds functionality to collect build system stats
on a regular interval and/or on task failure. Both
features are disabled by default.

To enable logging on a regular interval, set:
BB_HEARTBEAT_EVENT = "<interval>"
BB_LOG_HOST_STAT_ON_INTERVAL = <boolean>
Logs are stored in ${BUILDSTATS_BASE}/<build_name>/host_stats

To enable logging on a task failure, set:
BB_LOG_HOST_STAT_ON_FAILURE = "<boolean>"
Logs are stored in ${BUILDSTATS_BASE}/<build_name>/build_stats

The list of commands, along with the desired options, need
to be specified in the BB_LOG_HOST_STAT_CMDS variable
delimited by ; as such:
BB_LOG_HOST_STAT_CMDS = "command1 ; command2 ;... ;"

(From OE-Core rev: edb7098e9e0a8978568a45057c1c3ad2c6cacd67)

Signed-off-by: Sakib Sajal <sakib.sajal@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Sakib Sajal
2020-11-10 10:59:15 -05:00
committed by Richard Purdie
parent 75c779b628
commit d068fbcde2
1 changed files with 37 additions and 3 deletions
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40
meta/classes/buildstats.bbclass
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@@ -104,14 +104,46 @@ def write_task_data(status, logfile, e, d):
f.write("Status: FAILED \n")
f.write("Ended: %0.2f \n" % e.time)
def write_host_data(logfile, e, d):
import subprocess, os, datetime
cmds = d.getVar('BB_LOG_HOST_STAT_CMDS')
if cmds is None:
d.setVar("BB_LOG_HOST_STAT_ON_INTERVAL", "0")
d.setVar("BB_LOG_HOST_STAT_ON_FAILURE", "0")
bb.warn("buildstats: Collecting host data failed. Set BB_LOG_HOST_STAT_CMDS=\"command1 ; command2 ; ... \" in conf\/local.conf\n")
return
path = d.getVar("PATH")
opath = d.getVar("BB_ORIGENV", False).getVar("PATH")
ospath = os.environ['PATH']
os.environ['PATH'] = path + ":" + opath + ":" + ospath
with open(logfile, "a") as f:
f.write("Event Time: %f\nDate: %s\n" % (e.time, datetime.datetime.now()))
for cmd in cmds.split(";"):
if len(cmd) == 0:
continue
try:
output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT, timeout=1).decode('utf-8')
except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError) as err:
output = "Error running command: %s\n%s\n" % (cmd, err)
f.write("%s\n%s\n" % (cmd, output))
os.environ['PATH'] = ospath
python run_buildstats () {
import bb.build
import bb.event
import time, subprocess, platform
bn = d.getVar('BUILDNAME')
bsdir = os.path.join(d.getVar('BUILDSTATS_BASE'), bn)
taskdir = os.path.join(bsdir, d.getVar('PF'))
########################################################################
# bitbake fires HeartbeatEvent even before a build has been
# triggered, causing BUILDNAME to be None
########################################################################
if bn is not None:
bsdir = os.path.join(d.getVar('BUILDSTATS_BASE'), bn)
taskdir = os.path.join(bsdir, d.getVar('PF'))
if isinstance(e, bb.event.HeartbeatEvent) and bb.utils.to_boolean(d.getVar("BB_LOG_HOST_STAT_ON_INTERVAL")):
bb.utils.mkdirhier(bsdir)
write_host_data(os.path.join(bsdir, "host_stats"), e, d)
if isinstance(e, bb.event.BuildStarted):
########################################################################
@@ -186,10 +218,12 @@ python run_buildstats () {
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))
if bb.utils.to_boolean(d.getVar("BB_LOG_HOST_STAT_ON_FAILURE")):
write_host_data(build_status, e, d)
}
addhandler run_buildstats
run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed"
run_buildstats[eventmask] = "bb.event.BuildStarted bb.event.BuildCompleted bb.event.HeartbeatEvent bb.build.TaskStarted bb.build.TaskSucceeded bb.build.TaskFailed"
python runqueue_stats () {
import buildstats