Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1#!/bin/bash
2# perf annotate basic tests
3# SPDX-License-Identifier: GPL-2.0
4
5set -e
6
7shelldir=$(dirname "$0")
8
9# shellcheck source=lib/perf_has_symbol.sh
10. "${shelldir}"/lib/perf_has_symbol.sh
11
12testsym="noploop"
13
14skip_test_missing_symbol ${testsym}
15
16err=0
17perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
18perfout=$(mktemp /tmp/__perf_test.perf.out.XXXXX)
19testprog="perf test -w noploop"
20# disassembly format: "percent : offset: instruction (operands ...)"
21disasm_regex="[0-9]*\.[0-9]* *: *\w*: *\w*"
22
23cleanup() {
24 rm -rf "${perfdata}" "${perfout}"
25 rm -rf "${perfdata}".old
26
27 trap - EXIT TERM INT
28}
29
30trap_cleanup() {
31 echo "Unexpected signal in ${FUNCNAME[1]}"
32 cleanup
33 exit 1
34}
35trap trap_cleanup EXIT TERM INT
36
37test_basic() {
38 mode=$1
39 echo "${mode} perf annotate test"
40 if [ "x${mode}" == "xBasic" ]
41 then
42 perf record -o "${perfdata}" ${testprog} 2> /dev/null
43 else
44 perf record -o - ${testprog} 2> /dev/null > "${perfdata}"
45 fi
46 if [ "x$?" != "x0" ]
47 then
48 echo "${mode} annotate [Failed: perf record]"
49 err=1
50 return
51 fi
52
53 # Generate the annotated output file
54 if [ "x${mode}" == "xBasic" ]
55 then
56 perf annotate --no-demangle -i "${perfdata}" --stdio --percent-limit 10 2> /dev/null > "${perfout}"
57 else
58 perf annotate --no-demangle -i - --stdio 2> /dev/null --percent-limit 10 < "${perfdata}" > "${perfout}"
59 fi
60
61 # check if it has the target symbol
62 if ! grep -q "${testsym}" "${perfout}"
63 then
64 echo "${mode} annotate [Failed: missing target symbol]"
65 cat "${perfout}"
66 err=1
67 return
68 fi
69
70 # check if it has the disassembly lines
71 if ! grep -q "${disasm_regex}" "${perfout}"
72 then
73 echo "${mode} annotate [Failed: missing disasm output from default disassembler]"
74 err=1
75 return
76 fi
77
78 # check again with a target symbol name
79 if [ "x${mode}" == "xBasic" ]
80 then
81 perf annotate --no-demangle -i "${perfdata}" "${testsym}" 2> /dev/null > "${perfout}"
82 else
83 perf annotate --no-demangle -i - "${testsym}" 2> /dev/null < "${perfdata}" > "${perfout}"
84 fi
85
86 if ! head -250 "${perfout}"| grep -q -m 3 "${disasm_regex}"
87 then
88 echo "${mode} annotate [Failed: missing disasm output when specifying the target symbol]"
89 err=1
90 return
91 fi
92
93 # check one more with external objdump tool (forced by --objdump option)
94 if [ "x${mode}" == "xBasic" ]
95 then
96 perf annotate --no-demangle -i "${perfdata}" --percent-limit 10 --objdump=objdump 2> /dev/null > "${perfout}"
97 else
98 perf annotate --no-demangle -i - "${testsym}" --percent-limit 10 --objdump=objdump 2> /dev/null < "${perfdata}" > "${perfout}"
99 fi
100 if ! grep -q -m 3 "${disasm_regex}" "${perfout}"
101 then
102 echo "${mode} annotate [Failed: missing disasm output from non default disassembler (using --objdump)]"
103 err=1
104 return
105 fi
106 echo "${mode} annotate test [Success]"
107}
108
109test_basic Basic
110test_basic Pipe
111
112cleanup
113exit $err