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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0+
   3 #
   4 # Analyze a given results directory for rcutorture progress.
   5 #
   6 # Usage: kvm-recheck-rcu.sh resdir
   7 #
   8 # Copyright (C) IBM Corporation, 2014
   9 #
  10 # Authors: Paul E. McKenney <paulmck@linux.ibm.com>
  11
  12 i="$1"
  13 if test -d "$i" -a -r "$i"
  14 then
  15         :
  16 else
  17         echo Unreadable results directory: $i
  18         exit 1
  19 fi
  20 . functions.sh
  21
  22 configfile=`echo $i | sed -e 's/^.*\///'`
  23 ngps=`grep ver: $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* ver: //' -e 's/ .*$//'`
  24 stopstate="`grep 'End-test grace-period state: g' $i/console.log 2> /dev/null |
  25             tail -1 | sed -e 's/^\[[ 0-9.]*] //' |
  26             awk '{ print \"[\" $1 \" \" $5 \" \" $6 \" \" $7 \"]\"; }' |
  27             tr -d '\012\015'`"
  28 fwdprog="`grep 'rcu_torture_fwd_prog_cr Duration' $i/console.log 2> /dev/null | sed -e 's/^\[[^]]*] //' | sort -k15nr | head -1 | awk '{ print $14 " " $15 }'`"
  29 if test -z "$ngps"
  30 then
  31         echo "$configfile ------- " $stopstate
  32 else
  33         title="$configfile ------- $ngps GPs"
  34         dur=`sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`
  35         if test -z "$dur"
  36         then
  37                 :
  38         else
  39                 ngpsps=`awk -v ngps=$ngps -v dur=$dur '
  40                         BEGIN { print ngps / dur }' < /dev/null`
  41                 title="$title ($ngpsps/s)"
  42         fi
  43         echo $title $stopstate $fwdprog
  44         nclosecalls=`grep --binary-files=text 'torture: Reader Batch' $i/console.log | tail -1 | \
  45                 awk -v sum=0 '
  46                 {
  47                         for (i = 0; i <= NF; i++) {
  48                                 sum += $i;
  49                                 if ($i ~ /Batch:/) {
  50                                         sum = 0;
  51                                         i = i + 2;
  52                                 }
  53                         }
  54                 }
  55
  56                 END {
  57                         print sum
  58                 }'`
  59         if test -z "$nclosecalls"
  60         then
  61                 exit 0
  62         fi
  63         if test "$nclosecalls" -eq 0
  64         then
  65                 exit 0
  66         fi
  67         # Compute number of close calls per tenth of an hour
  68         nclosecalls10=`awk -v nclosecalls=$nclosecalls -v dur=$dur 'BEGIN { print int(nclosecalls * 36000 / dur) }' < /dev/null`
  69         if test $nclosecalls10 -gt 5 -a $nclosecalls -gt 1
  70         then
  71                 print_bug $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
  72         else
  73                 print_warning $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
  74         fi
  75         echo $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i > $i/console.log.rcu.diags
  76 fi