#!/bin/bash
#
# Analyze a given results directory for rcuperf performance measurements.
#
# Usage: kvm-recheck-rcuperf.sh resdir
#
# 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, you can access it online at
# http://www.gnu.org/licenses/gpl-2.0.html.
#
# Copyright (C) IBM Corporation, 2016
#
# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

i="$1"
if test -d $i
then
	:
else
	echo Unreadable results directory: $i
	exit 1
fi
PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH
. tools/testing/selftests/rcutorture/bin/functions.sh

if kvm-recheck-rcuperf-ftrace.sh $i
then
	# ftrace data was successfully analyzed, call it good!
	exit 0
fi

configfile=`echo $i | sed -e 's/^.*\///'`

sed -e 's/^\[[^]]*]//' < $i/console.log |
awk '
/-perf: .* gps: .* batches:/ {
	ngps = $9;
	nbatches = $11;
}

/-perf: .*writer-duration/ {
	gptimes[++n] = $5 / 1000.;
	sum += $5 / 1000.;
}

END {
	newNR = asort(gptimes);
	if (newNR <= 0) {
		print "No rcuperf records found???"
		exit;
	}
	pct50 = int(newNR * 50 / 100);
	if (pct50 < 1)
		pct50 = 1;
	pct90 = int(newNR * 90 / 100);
	if (pct90 < 1)
		pct90 = 1;
	pct99 = int(newNR * 99 / 100);
	if (pct99 < 1)
		pct99 = 1;
	div = 10 ** int(log(gptimes[pct90]) / log(10) + .5) / 100;
	print "Histogram bucket size: " div;
	last = gptimes[1] - 10;
	count = 0;
	for (i = 1; i <= newNR; i++) {
		current = div * int(gptimes[i] / div);
		if (last == current) {
			count++;
		} else {
			if (count > 0)
				print last, count;
			count = 1;
			last = current;
		}
	}
	if (count > 0)
		print last, count;
	print "Average grace-period duration: " sum / newNR " microseconds";
	print "Minimum grace-period duration: " gptimes[1];
	print "50th percentile grace-period duration: " gptimes[pct50];
	print "90th percentile grace-period duration: " gptimes[pct90];
	print "99th percentile grace-period duration: " gptimes[pct99];
	print "Maximum grace-period duration: " gptimes[newNR];
	print "Grace periods: " ngps + 0 " Batches: " nbatches + 0 " Ratio: " ngps / nbatches;
	print "Computed from rcuperf printk output.";
}'
ge'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>testing</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>powerpc</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/ptrace?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>ptrace</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2'>ptrace-tm-spr.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c?id=2ee89fb9a942e250b5adb5535de4acca14bb7fa2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
ption></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Parav Pandit &lt;parav@mellanox.com&gt;</td><td class='right'>2017-02-04 11:00:49 -0600</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-06 16:33:29 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/musb_virthub.c?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>d0d7b10b05945f40fefd4e60f457c61aefa3e9a9</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/musb/musb_virthub.c?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>1904a8455fc02954af05242261ee36feb1e45d1d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/musb/musb_virthub.c?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>drivers/usb/musb/musb_virthub.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/musb_virthub.c?id=73cfb2a2e49e166c569360ee60fe023b3efe3cf6'>73cfb2a2e49e166c569360ee60fe023b3efe3cf6</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb/musb_virthub.c?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9&amp;id2=73cfb2a2e49e166c569360ee60fe023b3efe3cf6'>diff</a>)</td></tr></table>
<div class='commit-subject'>net-next: treewide use is_vlan_dev() helper function.</div><div class='commit-msg'>This patch makes use of is_vlan_dev() function instead of flag
comparison which is exactly done by is_vlan_dev() helper function.

Signed-off-by: Parav Pandit &lt;parav@mellanox.com&gt;
Reviewed-by: Daniel Jurgens &lt;danielj@mellanox.com&gt;
Acked-by: Stephen Hemminger &lt;stephen@networkplumber.org&gt;
Acked-by: Jon Maxwell &lt;jmaxwell37@gmail.com&gt;
Acked-by: Johannes Thumshirn &lt;jth@kernel.org&gt;
Acked-by: Haiyang Zhang &lt;haiyangz@microsoft.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=d0d7b10b05945f40fefd4e60f457c61aefa3e9a9'>Diffstat</a> (limited to 'drivers/usb/musb/musb_virthub.c')</div><table summary='diffstat' class='diffstat'>