From 2ef292f12dbc13c450bdac0ec48c293ce6a1a7fe Mon Sep 17 00:00:00 2001
From: David Hildenbrand <david@redhat.com>
Date: Tue, 17 Oct 2017 19:15:34 +0200
Subject: [PATCH 29/69] tools/kvm_stat: document list of interactive commands
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RH-Author: David Hildenbrand <david@redhat.com>
Message-id: <20171017191605.2378-9-david@redhat.com>
Patchwork-id: 77315
O-Subject: [RHEL-7.5 qemu-kvm-rhev PATCH 08/39] tools/kvm_stat: document list of interactive commands
Bugzilla: 1497137
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Thomas Huth <thuth@redhat.com>
Upstream-status: linux.git 1eaa2f9022d55a8d7249c42def8dc4b0d682e142
Convertion of documentation (for man page generation) to texi.
commit 1eaa2f9022d55a8d7249c42def8dc4b0d682e142
Author: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Fri Mar 10 13:40:07 2017 +0100
tools/kvm_stat: document list of interactive commands
Apart from the source code, there does not seem to be a place that documents
the interactive capabilities of kvm_stat yet.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
scripts/kvm/kvm_stat | 7 +++++++
scripts/kvm/kvm_stat.texi | 24 ++++++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index 3e60d93..aca8508 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -1052,6 +1052,13 @@ Requirements:
CAP_SYS_ADMIN and perf events are used.
- CAP_SYS_RESOURCE if the hard limit is not high enough to allow
the large number of files that are possibly opened.
+
+Interactive Commands:
+ f filter by regular expression
+ p filter by PID
+ q quit
+ x toggle reporting of stats for individual child trace events
+Press any other key to refresh statistics immediately.
"""
class PlainHelpFormatter(optparse.IndentedHelpFormatter):
diff --git a/scripts/kvm/kvm_stat.texi b/scripts/kvm/kvm_stat.texi
index 4faf1a6..3519cf9 100644
--- a/scripts/kvm/kvm_stat.texi
+++ b/scripts/kvm/kvm_stat.texi
@@ -17,8 +17,32 @@ The set of KVM kernel module trace events may be specific to the kernel version
or architecture. It is best to check the KVM kernel module source code for the
meaning of events.
+Use batch and logging modes for scripting purposes.
+
+@section Interactive Commands
+
+While running in regular (interactive) mode, use any of the following keys:
+
+@table @key
+@item f
+@kindex f
+filter by regular expression
+@item p
+@kindex p
+filter by PID
+@item q
+@kindex q
+quit
+@item x
+@kindex x
+toggle reporting of stats for child trace events
+@end table
+
+Press any other key to refresh statistics immediately.
+
@c man end
+
@c man begin OPTIONS
@table @option
@item -1, --once, --batch
--
1.8.3.1