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bitbake: bitbake-worker: Extra profiling data dump

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Currently we get no profiling oversight into either the main bitbake worker
process, or the overall parsing before task execution. This adds in extra
profiling hooks so we can truly capture all parts of bitbake's execution
into the profile data.

To do this we modify the 'magic' value passed to bitbake-worker to trigger
the profiling, before the configuration data is sent over to the worker.

(Bitbake rev: 446e490bf485b712e5cee733dab5805254cdcad0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2014-08-27 14:55:50 +01:00
parent ac66e15f5c
commit 34226b82da
2 changed files with 37 additions and 6 deletions
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7
bitbake/lib/bb/runqueue.py
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@@ -859,15 +859,18 @@ class RunQueue:
def _start_worker(self, fakeroot = False, rqexec = None):
logger.debug(1, "Starting bitbake-worker")
magic = "decafbad"
if self.cooker.configuration.profile:
magic = "decafbadbad"
if fakeroot:
fakerootcmd = self.cfgData.getVar("FAKEROOTCMD", True)
fakerootenv = (self.cfgData.getVar("FAKEROOTBASEENV", True) or "").split()
env = os.environ.copy()
for key, value in (var.split('=') for var in fakerootenv):
env[key] = value
worker = subprocess.Popen([fakerootcmd, "bitbake-worker", "decafbad"], stdout=subprocess.PIPE, stdin=subprocess.PIPE, env=env)
worker = subprocess.Popen([fakerootcmd, "bitbake-worker", magic], stdout=subprocess.PIPE, stdin=subprocess.PIPE, env=env)
else:
worker = subprocess.Popen(["bitbake-worker", "decafbad"], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
worker = subprocess.Popen(["bitbake-worker", magic], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
bb.utils.nonblockingfd(worker.stdout)
workerpipe = runQueuePipe(worker.stdout, None, self.cfgData, self, rqexec)