From 7f786a9a06cc100b1261b120c7698083a802d46c Mon Sep 17 00:00:00 2001 From: Janosch Frank Date: Mon, 11 Jan 2016 16:18:03 +0100 Subject: scripts/kvm/kvm_stat: Add interactive filtering 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 Message-Id: <1452525484-32309-34-git-send-email-frankja@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini --- scripts/kvm/kvm_stat | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'scripts/kvm') diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index eb97a650f0..25631a49f7 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -634,6 +634,28 @@ 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: @@ -647,6 +669,8 @@ class Tui(object): self.update_drilldown() if char == 'q': break + if char == 'f': + self.show_filter_selection() except KeyboardInterrupt: break except curses.error: -- cgit v1.2.1