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From 38362f9d75028cdcd58b6facb605f71f2a22a9be 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 19:15:41 +0200
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Subject: [PATCH 36/69] tools/kvm_stat: add interactive command 'c'
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: David Hildenbrand <david@redhat.com>
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Message-id: <20171017191605.2378-16-david@redhat.com>
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Patchwork-id: 77325
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O-Subject: [RHEL-7.5 qemu-kvm-rhev PATCH 15/39] tools/kvm_stat: add interactive command 'c'
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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 4443084fa0cf85f91d357c8917b90504b784d925
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Convertion of documentation (for man page generation) to texi.
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commit 4443084fa0cf85f91d357c8917b90504b784d925
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Author: Stefan Raspl <raspl@linux.vnet.ibm.com>
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Date: Fri Mar 10 13:40:14 2017 +0100
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tools/kvm_stat: add interactive command 'c'
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Provide a real simple way to erase any active filter.
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Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
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Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
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Signed-off-by: Radim Krčmář <rkrcmar@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 | 16 ++++++++++++----
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scripts/kvm/kvm_stat.texi | 3 +++
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2 files changed, 15 insertions(+), 4 deletions(-)
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diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
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index f263312..676a92a 100755
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--- a/scripts/kvm/kvm_stat
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+++ b/scripts/kvm/kvm_stat
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@@ -861,6 +861,7 @@ DELAY_INITIAL = 0.25
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DELAY_REGULAR = 3.0
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MAX_GUEST_NAME_LEN = 48
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MAX_REGEX_LEN = 44
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+DEFAULT_REGEX = r'^[^\(]*$'
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class Tui(object):
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@@ -907,9 +908,9 @@ class Tui(object):
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def update_drilldown(self):
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"""Sets or removes a filter that only allows fields without braces."""
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if not self.stats.fields_filter:
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- self.stats.fields_filter = r'^[^\(]*$'
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+ self.stats.fields_filter = DEFAULT_REGEX
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- elif self.stats.fields_filter == r'^[^\(]*$':
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+ elif self.stats.fields_filter == DEFAULT_REGEX:
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self.stats.fields_filter = None
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def update_pid(self, pid):
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@@ -931,7 +932,8 @@ class Tui(object):
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.format(pid, gname), curses.A_BOLD)
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else:
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self.screen.addstr(0, 0, 'kvm statistics - summary', curses.A_BOLD)
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- if self.stats.fields_filter and self.stats.fields_filter != '^[^\(]*$':
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+ if self.stats.fields_filter and self.stats.fields_filter \
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+ != DEFAULT_REGEX:
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regex = self.stats.fields_filter
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if len(regex) > MAX_REGEX_LEN:
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regex = regex[:MAX_REGEX_LEN] + '...'
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@@ -991,7 +993,7 @@ class Tui(object):
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regex = self.screen.getstr()
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curses.noecho()
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if len(regex) == 0:
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- self.stats.fields_filter = r'^[^\(]*$'
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+ self.stats.fields_filter = DEFAULT_REGEX
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self.refresh_header()
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return
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try:
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@@ -1101,6 +1103,11 @@ class Tui(object):
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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 == 'c':
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+ self.stats.fields_filter = DEFAULT_REGEX
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+ self.refresh_header(0)
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+ self.update_pid(0)
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+ sleeptime = DELAY_INITIAL
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if char == 'f':
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self.show_filter_selection()
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sleeptime = DELAY_INITIAL
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@@ -1177,6 +1184,7 @@ Requirements:
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the large number of files that are possibly opened.
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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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p filter by PID
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diff --git a/scripts/kvm/kvm_stat.texi b/scripts/kvm/kvm_stat.texi
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index a8c1071..203d61d 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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@@ -24,6 +24,9 @@ Use batch and logging modes for scripting purposes.
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While running in regular (interactive) mode, use any of the following keys:
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@table @key
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+@item c
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+@kindex c
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+clear filter
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@item f
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@kindex f
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filter by regular expression
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--
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1.8.3.1
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