bitbake: bitbake: Set process names to be meaninful
This means that when you view the process tree, the processes have meaningful names, aiding debugging: $ pstree -p 30021 bash(30021)───KnottyUI(115579)───Cooker(115590)─┬─PRServ(115592)───{PRServ Handler}(115593) ├─Worker(115630)───bash:sleep(115631)───run.do_sleep.11(115633)───sleep(115634) └─{ProcessEQueue}(115591) $ pstree -p 30021 bash(30021)───KnottyUI(117319)───Cooker(117330)─┬─Cooker(117335) ├─PRServ(117332)───{PRServ Handler}(117333) ├─Parser-1:2(117336) └─{ProcessEQueue}(117331) Applies to parse threads, PR Server, cooker, the workers and execution threads, working within the 16 character limit as best we can. Needed to tweak the bitbake-worker magic values to tell the workers apart. (Bitbake rev: 539726a3b2202249a3f148d99e08909cb61902a5) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -18,7 +18,7 @@ if len(sys.argv) != 2 or not sys.argv[1].startswith("decafbad"):
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sys.exit(1)
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profiling = False
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if sys.argv[1] == "decafbadbad":
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if sys.argv[1].startswith("decafbadbad"):
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profiling = True
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try:
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import cProfile as profile
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@ -202,6 +202,8 @@ def fork_off_task(cfg, data, workerdata, fn, task, taskname, appends, taskdepdat
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the_data = bb.cache.Cache.loadDataFull(fn, appends, data)
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the_data.setVar('BB_TASKHASH', workerdata["runq_hash"][task])
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bb.utils.set_process_name("%s:%s" % (the_data.getVar("PN", True), taskname.replace("do_", "")))
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# exported_vars() returns a generator which *cannot* be passed to os.environ.update()
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# successfully. We also need to unset anything from the environment which shouldn't be there
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exports = bb.data.exported_vars(the_data)
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@ -296,6 +298,10 @@ class BitbakeWorker(object):
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signal.signal(signal.SIGTERM, self.sigterm_exception)
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# Let SIGHUP exit as SIGTERM
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signal.signal(signal.SIGHUP, self.sigterm_exception)
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if "beef" in sys.argv[1]:
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bb.utils.set_process_name("Worker (Fakeroot)")
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else:
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bb.utils.set_process_name("Worker")
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def sigterm_exception(self, signum, stackframe):
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if signum == signal.SIGTERM:
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@ -2012,6 +2012,7 @@ class CookerParser(object):
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bb.event.fire(bb.event.ParseStarted(self.toparse), self.cfgdata)
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def init():
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Parser.cfg = self.cfgdata
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bb.utils.set_process_name(multiprocessing.current_process().name)
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multiprocessing.util.Finalize(None, bb.codeparser.parser_cache_save, args=(self.cfgdata,), exitpriority=1)
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multiprocessing.util.Finalize(None, bb.fetch.fetcher_parse_save, args=(self.cfgdata,), exitpriority=1)
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@ -884,6 +884,7 @@ class RunQueue:
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if self.cooker.configuration.profile:
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magic = "decafbadbad"
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if fakeroot:
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magic = magic + "beef"
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fakerootcmd = self.cfgData.getVar("FAKEROOTCMD", True)
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fakerootenv = (self.cfgData.getVar("FAKEROOTBASEENV", True) or "").split()
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env = os.environ.copy()
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@ -106,6 +106,7 @@ class ProcessServer(Process, BaseImplServer):
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# the UI and communicated to us
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self.quitin.close()
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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bb.utils.set_process_name("Cooker")
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while not self.quit:
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try:
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if self.command_channel.poll():
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@ -212,6 +213,7 @@ class ProcessEventQueue(multiprocessing.queues.Queue):
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def __init__(self, maxsize):
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multiprocessing.queues.Queue.__init__(self, maxsize)
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self.exit = False
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bb.utils.set_process_name("ProcessEQueue")
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def setexit(self):
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self.exit = True
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@ -272,6 +272,8 @@ def main(server, eventHandler, params, tf = TerminalFilter):
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logger.addHandler(console)
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logger.addHandler(errconsole)
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bb.utils.set_process_name("KnottyUI")
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if params.options.remote_server and params.options.kill_server:
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server.terminateServer()
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return
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@ -104,6 +104,7 @@ class BBUIEventQueue:
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def startCallbackHandler(self):
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self.server.timeout = 1
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bb.utils.set_process_name("UIEventQueue")
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while not self.server.quit:
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try:
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self.server.handle_request()
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@ -79,6 +79,8 @@ class PRServer(SimpleXMLRPCServer):
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# 60 iterations between syncs or sync if dirty every ~30 seconds
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iterations_between_sync = 60
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bb.utils.set_process_name("PRServ Handler")
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while not self.quit:
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try:
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(request, client_address) = self.requestqueue.get(True, 30)
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@ -141,6 +143,8 @@ class PRServer(SimpleXMLRPCServer):
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self.quit = False
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self.timeout = 0.5
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bb.utils.set_process_name("PRServ")
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logger.info("Started PRServer with DBfile: %s, IP: %s, PORT: %s, PID: %s" %
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(self.dbfile, self.host, self.port, str(os.getpid())))
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