ShaoHe Feng has posted comments on this change.
Change subject: dump the core of a VM
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Patch Set 8: (3 inline comments)
....................................................
File vdsm/API.py
Line 278: try:
Line 279: if k not in dumpParams or type(v) is not bool:
Line 280: raise ValueError("Core dump: Invalid argument:
%s=%s" %
Line 281: (k, v))
Line 282: except ValueError, e:
agree.
Line 283: self.log.exception("Core dump failed. " + e.message,
Line 284: exc_info=True)
Line 285: return reportError(msg=e.message)
Line 286:
....................................................
File vdsm/vm.py
Line 299: self._mode = "memory" \
Line 300: if kwargs.get('memory-only') is True else
"core"
Line 301: self.dumpflag = 0
Line 302: self.status = {'status': {'code': 0, 'message':
'noJob'}}
Line 303: threading.Thread.__init__(self)
agree.
Line 304:
Line 305: def getStat(self):
Line 306: """
Line 307: Get the status of the dump.
Line 1334: # even if the vm status is "Down", we still need to do
core dump
Line 1335: # we do not care "Down"
Line 1336: self._doCoredumpThread = self.DoCoreDumpThreadClass(self, to,
Line 1337: **params)
Line 1338: self._doCoredumpThread.start()
yes.
it is is volatile.
so getStat need to check whether the thread is alive.
getStat only can clear self.status when thread is no alive.
Line 1339: check = self._doCoredumpThread.getStat()
Line 1340: return check
Line 1341: except Exception, e:
Line 1342: self.log.exception("Failed to perform core dump. " +
e.message,
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Gerrit-MessageType: comment
Gerrit-Change-Id: If4aac9e747dc7aa64a6ff5ef256a7a4375aa2bb5
Gerrit-PatchSet: 8
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: ShaoHe Feng <shaohef(a)linux.vnet.ibm.com>
Gerrit-Reviewer: Antoni Segura Puimedon <asegurap(a)redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken(a)redhat.com>
Gerrit-Reviewer: Mark Wu <wudxw(a)linux.vnet.ibm.com>
Gerrit-Reviewer: Michal Skrivanek <michal.skrivanek(a)redhat.com>
Gerrit-Reviewer: Ryan Harper <ryanh(a)us.ibm.com>
Gerrit-Reviewer: ShaoHe Feng <shaohef(a)linux.vnet.ibm.com>
Gerrit-Reviewer: Shu Ming <shuming(a)linux.vnet.ibm.com>
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