torture: Add refperf to the rcutorture scripting (f8b4bb23) · Commits · 戴 / test

tools/testing/selftests/rcutorture/bin/kvm-recheck-refperf.sh

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		#!/bin/bash
		# SPDX-License-Identifier: GPL-2.0+
		#
		# Analyze a given results directory for refperf performance measurements.
		#
		# Usage: kvm-recheck-refperf.sh resdir
		#
		# Copyright (C) IBM Corporation, 2016
		#
		# Authors: Paul E. McKenney <paulmck@linux.ibm.com>

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

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

		sed -e 's/^\[[^]]*]//' < $i/console.log \| tr -d '\015' \|
		awk -v configfile="$configfile" '
		/^[ ]Threads Time$ns$ $/ {
		if (dataphase + 0 == 0) {
		dataphase = 1;
		# print configfile, $0;
		}
		next;
		}

		/[^ ][0-9][0-9] [0-9][0-9]\.[0-9][0-9]$/ {
		if (dataphase == 1) {
		# print $0;
		readertimes[++n] = $2;
		sum += $2;
		}
		next;
		}

		{
		if (dataphase == 1)
		dataphase == 2;
		next;
		}

		END {
		print configfile " results:";
		newNR = asort(readertimes);
		if (newNR <= 0) {
		print "No refperf records found???"
		exit;
		}
		medianidx = int(newNR / 2);
		if (newNR == medianidx * 2)
		medianvalue = (readertimes[medianidx - 1] + readertimes[medianidx]) / 2;
		else
		medianvalue = readertimes[medianidx];
		print "Average reader duration: " sum / newNR " nanoseconds";
		print "Minimum reader duration: " readertimes[1];
		print "Median reader duration: " medianvalue;
		print "Maximum reader duration: " readertimes[newNR];
		print "Computed from refperf printk output.";
		}'

+5 −4

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		@@ -180,13 +180,14 @@ do
		shift
		;;
		--torture)
		checkarg --torture "(suite name)" "$#" "$2" '^$lock\\|rcu\\|rcuperf$$' '^--'
		checkarg --torture "(suite name)" "$#" "$2" '^$lock\\|rcu\\|rcuperf\\|refperf$$' '^--'
		TORTURE_SUITE=$2
		shift
		if test "$TORTURE_SUITE" = rcuperf
		if test "$TORTURE_SUITE" = rcuperf \|\| test "$TORTURE_SUITE" = refperf
		then
		# If you really want jitter for rcuperf, specify
		# it after specifying rcuperf. (But why?)
		# If you really want jitter for refperf or
		# rcuperf, specify it after specifying the rcuperf
		# or the refperf. (But why jitter in these cases?)
		jitter=0
		fi
		;;

+2 −2

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		@@ -33,8 +33,8 @@ then
		fi
		cat /dev/null > $file.diags

		# Check for proper termination, except that rcuperf runs don't indicate this.
		if test "$TORTURE_SUITE" != rcuperf
		# Check for proper termination, except for rcuperf and refperf.
		if test "$TORTURE_SUITE" != rcuperf && test "$TORTURE_SUITE" != refperf
		then
		# check for abject failure

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		NOPREEMPT
		PREEMPT

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		CONFIG_RCU_REF_PERF_TEST=y
		CONFIG_PRINTK_TIME=y