tools/testing/selftests/net/xfrm_policy_add_speed.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 source lib.sh
   5
   6 timeout=4m
   7 ret=0
   8 tmp=$(mktemp)
   9 cleanup() {
  10         cleanup_all_ns
  11         rm -f "$tmp"
  12 }
  13
  14 trap cleanup EXIT
  15
  16 maxpolicies=100000
  17 [ "$KSFT_MACHINE_SLOW" = "yes" ] && maxpolicies=10000
  18
  19 do_dummies4() {
  20         local dir="$1"
  21         local max="$2"
  22
  23         local policies
  24         local pfx
  25         pfx=30
  26         policies=0
  27
  28         ip netns exec "$ns" ip xfrm policy flush
  29
  30         for i in $(seq 1 100);do
  31                 local s
  32                 local d
  33                 for j in $(seq 1 255);do
  34                         s=$((i+0))
  35                         d=$((i+100))
  36
  37                         for a in $(seq 1 8 255); do
  38                                 policies=$((policies+1))
  39                                 [ "$policies" -gt "$max" ] && return
  40                                 echo xfrm policy add src 10.$s.$j.0/30 dst 10.$d.$j.$a/$pfx dir $dir action block
  41                         done
  42                         for a in $(seq 1 8 255); do
  43                                 policies=$((policies+1))
  44                                 [ "$policies" -gt "$max" ] && return
  45                                 echo xfrm policy add src 10.$s.$j.$a/30 dst 10.$d.$j.0/$pfx dir $dir action block
  46                         done
  47                 done
  48         done
  49 }
  50
  51 setup_ns ns
  52
  53 do_bench()
  54 {
  55         local max="$1"
  56
  57         start=$(date +%s%3N)
  58         do_dummies4 "out" "$max" > "$tmp"
  59         if ! timeout "$timeout" ip netns exec "$ns" ip -batch "$tmp";then
  60                 echo "WARNING: policy insertion cancelled after $timeout"
  61                 ret=1
  62         fi
  63         stop=$(date +%s%3N)
  64
  65         result=$((stop-start))
  66
  67         policies=$(wc -l < "$tmp")
  68         printf "Inserted %-06s policies in $result ms\n" $policies
  69
  70         have=$(ip netns exec "$ns" ip xfrm policy show | grep "action block" | wc -l)
  71         if [ "$have" -ne "$policies" ]; then
  72                 echo "WARNING: mismatch, have $have policies, expected $policies"
  73                 ret=1
  74         fi
  75 }
  76
  77 p=100
  78 while [ $p -le "$maxpolicies" ]; do
  79         do_bench "$p"
  80         p="${p}0"
  81 done
  82
  83 exit $ret