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Commit 404517e4 authored by Stefan Raspl's avatar Stefan Raspl Committed by Radim Krčmář
Browse files

tools/kvm_stat: indicate dead guests as such 



For destroyed guests, kvm_stat essentially freezes with the last data
displayed. This is acceptable for users, in case they want to inspect the
final data. But it looks a bit irritating. Therefore, detect this situation
and display a respective indicator in the header.

Signed-off-by: default avatarStefan Raspl <raspl@linux.ibm.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 29c39f38

tools/kvm/kvm_stat/kvm_stat

+9 −3
Original line number Diff line number Diff line
@@ -1108,10 +1108,10 @@ class Tui(object): 
                                   if len(gname) > MAX_GUEST_NAME_LEN

                                   else gname))

        if pid > 0:

            self.screen.addstr(0, 0, 'kvm statistics - pid {0} {1}'

                               .format(pid, gname), curses.A_BOLD)

            self._headline = 'kvm statistics - pid {0} {1}'.format(pid, gname)

        else:

            self.screen.addstr(0, 0, 'kvm statistics - summary', curses.A_BOLD)

            self._headline = 'kvm statistics - summary'

        self.screen.addstr(0, 0, self._headline, curses.A_BOLD)

        if self.stats.fields_filter:

            regex = self.stats.fields_filter

            if len(regex) > MAX_REGEX_LEN:
@@ -1170,6 +1170,7 @@ class Tui(object): 
            return sorted_items



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

            self._display_guest_dead()

            # leave final data on screen

            return

        row = 3
@@ -1228,6 +1229,11 @@ class Tui(object): 
                               ('Total', total, tavg), curses.A_BOLD)

        self.screen.refresh()



    def _display_guest_dead(self):

        marker = '   Guest is DEAD   '

        y = min(len(self._headline), 80 - len(marker))

        self.screen.addstr(0, y, marker, curses.A_BLINK | curses.A_STANDOUT)



    def _show_msg(self, text):

        """Display message centered text and exit on key press"""

        hint = 'Press any key to continue'