1 #!/bin/bash 1 #!/bin/bash
2 # Test data symbol 2 # Test data symbol
3 3
4 # SPDX-License-Identifier: GPL-2.0 4 # SPDX-License-Identifier: GPL-2.0
5 # Leo Yan <leo.yan@linaro.org>, 2022 5 # Leo Yan <leo.yan@linaro.org>, 2022
6 6
7 shelldir=$(dirname "$0") 7 shelldir=$(dirname "$0")
8 # shellcheck source=lib/waiting.sh 8 # shellcheck source=lib/waiting.sh
9 . "${shelldir}"/lib/waiting.sh 9 . "${shelldir}"/lib/waiting.sh
10 10
11 # shellcheck source=lib/perf_has_symbol.sh 11 # shellcheck source=lib/perf_has_symbol.sh
12 . "${shelldir}"/lib/perf_has_symbol.sh 12 . "${shelldir}"/lib/perf_has_symbol.sh
13 13
14 skip_if_no_mem_event() { 14 skip_if_no_mem_event() {
15 perf mem record -e list 2>&1 | grep -E 15 perf mem record -e list 2>&1 | grep -E -q 'available' && return 0
16 return 2 16 return 2
17 } 17 }
18 18
19 skip_if_no_mem_event || exit 2 19 skip_if_no_mem_event || exit 2
20 20
21 skip_test_missing_symbol buf1 21 skip_test_missing_symbol buf1
22 22
23 TEST_PROGRAM="perf test -w datasym" 23 TEST_PROGRAM="perf test -w datasym"
24 PERF_DATA=$(mktemp /tmp/__perf_test.perf.data. 24 PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
25 ERR_FILE=$(mktemp /tmp/__perf_test.stderr.XXXX 25 ERR_FILE=$(mktemp /tmp/__perf_test.stderr.XXXXX)
26 26
27 check_result() { 27 check_result() {
28 # The memory report format is as below 28 # The memory report format is as below:
29 # 99.92% ... [.] buf1+0x38 29 # 99.92% ... [.] buf1+0x38
30 result=$(perf mem report -i ${PERF_DAT 30 result=$(perf mem report -i ${PERF_DATA} -s symbol_daddr -q 2>&1 |
31 awk '/buf1/ { print $4 }') 31 awk '/buf1/ { print $4 }')
32 32
33 # Testing is failed if has no any samp 33 # Testing is failed if has no any sample for "buf1"
34 [ -z "$result" ] && return 1 34 [ -z "$result" ] && return 1
35 35
36 while IFS= read -r line; do 36 while IFS= read -r line; do
37 # The "data1" and "data2" fiel 37 # The "data1" and "data2" fields in structure "buf1" have
38 # offset "0x0" and "0x38", ret 38 # offset "0x0" and "0x38", returns failure if detect any
39 # other offset value. 39 # other offset value.
40 if [ "$line" != "buf1+0x0" ] & 40 if [ "$line" != "buf1+0x0" ] && [ "$line" != "buf1+0x38" ]; then
41 return 1 41 return 1
42 fi 42 fi
43 done <<< "$result" 43 done <<< "$result"
44 44
45 return 0 45 return 0
46 } 46 }
47 47
48 cleanup_files() 48 cleanup_files()
49 { 49 {
50 echo "Cleaning up files..." 50 echo "Cleaning up files..."
51 rm -f ${PERF_DATA} 51 rm -f ${PERF_DATA}
52 } 52 }
53 53
54 trap cleanup_files exit term int 54 trap cleanup_files exit term int
55 55
56 echo "Recording workload..." 56 echo "Recording workload..."
57 57
58 # perf mem/c2c internally uses IBS PMU on AMD 58 # perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support
59 # user/kernel filtering and per-process monito 59 # user/kernel filtering and per-process monitoring, spin program on
60 # specific CPU and test in per-CPU mode. 60 # specific CPU and test in per-CPU mode.
61 is_amd=$(grep -E -c 'vendor_id.*AuthenticAMD' 61 is_amd=$(grep -E -c 'vendor_id.*AuthenticAMD' /proc/cpuinfo)
62 if (($is_amd >= 1)); then 62 if (($is_amd >= 1)); then
63 perf mem record -vvv -o ${PERF_DATA} - 63 perf mem record -vvv -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRAM 2>"${ERR_FILE}" &
64 else 64 else
65 perf mem record -vvv --all-user -o ${P 65 perf mem record -vvv --all-user -o ${PERF_DATA} -- $TEST_PROGRAM 2>"${ERR_FILE}" &
66 fi 66 fi
67 67
68 PERFPID=$! 68 PERFPID=$!
69 69
70 wait_for_perf_to_start ${PERFPID} "${ERR_FILE} 70 wait_for_perf_to_start ${PERFPID} "${ERR_FILE}"
71 71
72 sleep 1 72 sleep 1
73 73
74 kill $PERFPID 74 kill $PERFPID
75 wait $PERFPID 75 wait $PERFPID
76 76
77 check_result 77 check_result
78 exit $? 78 exit $?
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