| 1 | |
| 2 | |
| 3 | |
| 4 |
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| 5 | set -e
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| 6 |
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| 7 | err=0
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| 8 | perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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| 9 | perfdata2=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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| 10 | perfdata3=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
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| 11 | testprog="perf test -w thloop"
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| 12 |
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| 13 | shelldir=$(dirname "$0")
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| 14 | |
| 15 | . "${shelldir}"/lib/perf_has_symbol.sh
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| 16 |
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| 17 | testsym="test_loop"
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| 18 |
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| 19 | skip_test_missing_symbol ${testsym}
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| 20 |
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| 21 | cleanup() {
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| 22 | rm -rf "${perfdata1}"
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| 23 | rm -rf "${perfdata1}".old
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| 24 | rm -rf "${perfdata2}"
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| 25 | rm -rf "${perfdata2}".old
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| 26 | rm -rf "${perfdata3}"
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| 27 | rm -rf "${perfdata3}".old
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| 28 |
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| 29 | trap - EXIT TERM INT
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| 30 | }
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| 31 |
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| 32 | trap_cleanup() {
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| 33 | cleanup
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| 34 | exit 1
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| 35 | }
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| 36 | trap trap_cleanup EXIT TERM INT
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| 37 |
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| 38 | make_data() {
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| 39 | file="$1"
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| 40 | if ! perf record -o "${file}" ${testprog} 2> /dev/null
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| 41 | then
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| 42 | echo "Workload record [Failed record]" >&2
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| 43 | echo 1
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| 44 | return
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| 45 | fi
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| 46 | if ! perf report -i "${file}" -q | grep -q "${testsym}"
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| 47 | then
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| 48 | echo "Workload record [Failed missing output]" >&2
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| 49 | echo 1
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| 50 | return
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| 51 | fi
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| 52 | echo 0
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| 53 | }
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| 54 |
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| 55 | test_two_files() {
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| 56 | echo "Basic two file diff test"
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| 57 | err=$(make_data "${perfdata1}")
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| 58 | if [ "$err" != 0 ]
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| 59 | then
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| 60 | return
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| 61 | fi
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| 62 | err=$(make_data "${perfdata2}")
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| 63 | if [ "$err" != 0 ]
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| 64 | then
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| 65 | return
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| 66 | fi
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| 67 |
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| 68 | if ! perf diff "${perfdata1}" "${perfdata2}" | grep -q "${testsym}"
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| 69 | then
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| 70 | echo "Basic two file diff test [Failed diff]"
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| 71 | err=1
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| 72 | return
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| 73 | fi
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| 74 | echo "Basic two file diff test [Success]"
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| 75 | }
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| 76 |
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| 77 | test_three_files() {
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| 78 | echo "Basic three file diff test"
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| 79 | err=$(make_data "${perfdata1}")
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| 80 | if [ "$err" != 0 ]
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| 81 | then
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| 82 | return
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| 83 | fi
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| 84 | err=$(make_data "${perfdata2}")
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| 85 | if [ "$err" != 0 ]
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| 86 | then
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| 87 | return
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| 88 | fi
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| 89 | err=$(make_data "${perfdata3}")
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| 90 | if [ $err != 0 ]
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| 91 | then
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| 92 | return
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| 93 | fi
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| 94 |
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| 95 | if ! perf diff "${perfdata1}" "${perfdata2}" "${perfdata3}" | grep -q "${testsym}"
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| 96 | then
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| 97 | echo "Basic three file diff test [Failed diff]"
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| 98 | err=1
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| 99 | return
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| 100 | fi
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| 101 | echo "Basic three file diff test [Success]"
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| 102 | }
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| 103 |
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| 104 | test_two_files
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| 105 | test_three_files
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| 106 |
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| 107 | cleanup
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| 108 | exit $err
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