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From 95b5c46145b2ac79dd4b0f5621baec07e488ff3e Mon Sep 17 00:00:00 2001
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From: David Hildenbrand <david@redhat.com>
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Date: Tue, 17 Oct 2017 19:15:57 +0200
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Subject: [PATCH 52/69] tools/kvm_stat: add new interactive command 'h'
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RH-Author: David Hildenbrand <david@redhat.com>
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Message-id: <20171017191605.2378-32-david@redhat.com>
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Patchwork-id: 77339
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O-Subject: [RHEL-7.5 qemu-kvm-rhev PATCH 31/39] tools/kvm_stat: add new interactive command 'h'
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Bugzilla: 1497137
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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Upstream-status: linux.git 1fdea7b2893045e5258a13937c3d78c425fd7aa0
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Convertion of documentation (for man page generation) to texi.
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commit 1fdea7b2893045e5258a13937c3d78c425fd7aa0
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Author: Stefan Raspl <raspl@linux.vnet.ibm.com>
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Date: Wed Jun 7 21:08:38 2017 +0200
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tools/kvm_stat: add new interactive command 'h'
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Display interactive commands reference on 'h'.
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While at it, sort interactive commands alphabetically in various places.
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Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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scripts/kvm/kvm_stat | 37 ++++++++++++++++++++++++++++++++-----
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scripts/kvm/kvm_stat.texi | 3 +++
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2 files changed, 35 insertions(+), 5 deletions(-)
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diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
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index a9e7ea6..6838de3 100755
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--- a/scripts/kvm/kvm_stat
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+++ b/scripts/kvm/kvm_stat
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@@ -1018,6 +1018,30 @@ class Tui(object):
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self.screen.addstr(4, 1, 'No matching events reported yet')
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self.screen.refresh()
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+ def show_help_interactive(self):
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+ """Display help with list of interactive commands"""
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+ msg = (' c clear filter',
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+ ' f filter by regular expression',
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+ ' g filter by guest name',
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+ ' h display interactive commands reference',
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+ ' p filter by PID',
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+ ' q quit',
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+ ' r reset stats',
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+ ' x toggle reporting of stats for individual child trace'
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+ ' events',
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+ 'Any other key refreshes statistics immediately')
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+ curses.cbreak()
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+ self.screen.erase()
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+ self.screen.addstr(0, 0, "Interactive commands reference",
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+ curses.A_BOLD)
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+ self.screen.addstr(2, 0, "Press any key to exit", curses.A_STANDOUT)
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+ row = 4
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+ for line in msg:
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+ self.screen.addstr(row, 0, line)
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+ row += 1
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+ self.screen.getkey()
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+ self.refresh_header()
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+
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def show_filter_selection(self):
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"""Draws filter selection mask.
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@@ -1142,10 +1166,6 @@ class Tui(object):
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sleeptime = DELAY_REGULAR
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try:
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char = self.screen.getkey()
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- if char == 'x':
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- self.update_drilldown()
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- if char == 'q':
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- break
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if char == 'c':
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self.stats.fields_filter = DEFAULT_REGEX
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self.refresh_header(0)
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@@ -1160,13 +1180,19 @@ class Tui(object):
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self.show_vm_selection_by_guest_name()
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curses.curs_set(0)
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sleeptime = DELAY_INITIAL
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+ if char == 'h':
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+ self.show_help_interactive()
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if char == 'p':
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curses.curs_set(1)
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self.show_vm_selection_by_pid()
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curses.curs_set(0)
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sleeptime = DELAY_INITIAL
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+ if char == 'q':
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+ break
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if char == 'r':
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self.stats.reset()
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+ if char == 'x':
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+ self.update_drilldown()
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except KeyboardInterrupt:
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break
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except curses.error:
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@@ -1237,10 +1263,11 @@ Interactive Commands:
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c clear filter
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f filter by regular expression
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g filter by guest name
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+ h display interactive commands reference
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p filter by PID
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q quit
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- x toggle reporting of stats for individual child trace events
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r reset stats
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+ x toggle reporting of stats for individual child trace events
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Press any other key to refresh statistics immediately.
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"""
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diff --git a/scripts/kvm/kvm_stat.texi b/scripts/kvm/kvm_stat.texi
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index c0cb7bc..4dfcd8f 100644
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--- a/scripts/kvm/kvm_stat.texi
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+++ b/scripts/kvm/kvm_stat.texi
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@@ -33,6 +33,9 @@ filter by regular expression
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@item g
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@kindex g
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filter by guest name
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+@item h
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+@kindex h
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+display interactive commands reference
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@item p
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@kindex p
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filter by PID
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--
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1.8.3.1
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