Interactively changing the filter is much more useful than the drilldown, because it is more versatile.
With this patch, the filter can be changed by pressing 'f' in the text ui and entering a new filter regex. Signed-off-by: Janosch Frank <[email protected]> --- scripts/kvm/kvm_stat | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index 9ed3ccf..f64d4e8 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -632,6 +632,28 @@ class Tui(object): row += 1 self.screen.refresh() + def show_filter_selection(self): + while True: + self.screen.erase() + self.screen.addstr(0, 0, + "Show statistics for events matching a regex.", + curses.A_BOLD) + self.screen.addstr(2, 0, + "Current regex: {0}" + .format(self.stats.fields_filter)) + self.screen.addstr(3, 0, "New regex: ") + curses.echo() + regex = self.screen.getstr() + curses.noecho() + if len(regex) == 0: + return + try: + re.compile(regex) + self.stats.fields_filter = regex + return + except re.error: + continue + def show_stats(self): sleeptime = 0.25 while True: @@ -645,6 +667,8 @@ class Tui(object): self.update_drilldown() if char == 'q': break + if char == 'f': + self.show_filter_selection() except KeyboardInterrupt: break except curses.error: -- 2.3.0
