Change in vdsm[master]: contrib: Add tool for getting repoStats statistics - vdsm-patches - Fedora mailing-lists

15 Mar 2015

Nir Soffer has uploaded a new change for review.
Change subject: contrib: Add tool for getting repoStats statistics
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contrib: Add tool for getting repoStats statistics
This tool is useful when debugging storage domain monitoring issues.
Examples:
$ repostat vdsm.log.*
  domain: ebcd25b1-1ab0-47e3-aa8b-83ee5f91b5bd
    delay      avg: 0.093941 min: 0.000430 max: 1.499200
    last check avg: 5.117508 min: 0.000000 max: 12.300000
  domain: 6d7f7a48-4511-43b8-8abf-d323f7118b19
    delay      avg: 0.001090 min: 0.000300 max: 0.030056
    last check avg: 4.975313 min: 0.000000 max: 10.200000
Change-Id: Id5f7828216058bb401f8a472fa5601e79542def1
Signed-off-by: Nir Soffer nsoffer@redhat.com
---
M Makefile.am
A contrib/repostat
2 files changed, 55 insertions(+), 0 deletions(-)
git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/49/38749/1

diff --git a/Makefile.am b/Makefile.am
index 34885a1..7407b22 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -49,6 +49,7 @@
    autogen.sh \
    build-aux/pkg-version \
    contrib/profile-stats \
+	contrib/repostat \
    pylintrc \
    vdsm.spec \
    vdsm.spec.in \
@@ -80,6 +81,7 @@
WHITELIST = \
    contrib/profile-stats \
+	contrib/repostat \
    init/daemonAdapter \
    vdsm/get-conf-item \
    vdsm/set-conf-item \
diff --git a/contrib/repostat b/contrib/repostat
new file mode 100755
index 0000000..c140b4c
--- /dev/null
+++ b/contrib/repostat
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+#
+# Copyright 2015 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# Refer to the README and COPYING files for full details of the license
+#
+"""
+Parse repoStats log lines and calculate statistics.
+
+Usage: repostat vdsm.log [...]
+"""
+
+import fileinput
+import re
+
+repostat_re = re.compile(r' Run and protect: repoStats, Return response: ')
+
+stats = {}
+
+
+def liststat(a):
+    b = sorted(a)
+    return sum(b) / len(b),  b[0], b[-1]
+
+
+for line in fileinput.input():
+    match = repostat_re.search(line)
+    if not match:
+        continue
+    response = eval(line[match.end():])
+    for uuid, info in response.items():
+        stats.setdefault(uuid, {'delays': [], 'checks': []})
+        stats[uuid]['delays'].append(float(info['delay']))
+        stats[uuid]['checks'].append(float(info['lastCheck']))
+
+for uuid, info in stats.iteritems():
+    print 'domain:', uuid
+    print '  delay      avg: %f min: %f max: %f' % liststat(info['delays'])
+    print '  last check avg: %f min: %f max: %f' % liststat(info['checks'])
-- 
To view, visit https://gerrit.ovirt.org/38749
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Id5f7828216058bb401f8a472fa5601e79542def1
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Nir Soffer nsoffer@redhat.com

    