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Commit c012a0f2 authored by Stefan Raspl's avatar Stefan Raspl Committed by Radim Krčmář
Browse files

tools/kvm_stat: re-animate display of dead guests 



When filtering by guest (interactive commands 'p'/'g'), and the respective
guest was destroyed, detect when the guest is up again through the guest
name if possible.
I.e. when displaying events for a specific guest, it is not necessary
anymore to restart kvm_stat in case the guest is restarted.

Signed-off-by: default avatarStefan Raspl <raspl@linux.ibm.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 404517e4

tools/kvm/kvm_stat/kvm_stat

+10 −0
Original line number Diff line number Diff line
@@ -1103,6 +1103,7 @@ class Tui(object): 
            pid = self.stats.pid_filter

        self.screen.erase()

        gname = self.get_gname_from_pid(pid)

        self._gname = gname

        if gname:

            gname = ('({})'.format(gname[:MAX_GUEST_NAME_LEN] + '...'

                                   if len(gname) > MAX_GUEST_NAME_LEN
@@ -1170,6 +1171,15 @@ class Tui(object): 
            return sorted_items



        if not self._is_running_guest(self.stats.pid_filter):

            if self._gname:

                try: # ...to identify the guest by name in case it's back

                    pids = self.get_pid_from_gname(self._gname)

                    if len(pids) == 1:

                        self._refresh_header(pids[0])

                        self._update_pid(pids[0])

                        return

                except:

                    pass

            self._display_guest_dead()

            # leave final data on screen

            return