blob: 5c33ec7a5a63bdb36355e385965f11f5a3c2a5d9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#!/bin/sh
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
perf probe -l 2>&1 | grep -q probe:vfs_getname
had_vfs_getname=$?
cleanup_probe_vfs_getname() {
if [ $had_vfs_getname -eq 1 ] ; then
perf probe -q -d probe:vfs_getname*
fi
}
add_probe_vfs_getname() {
add_probe_verbose=$1
if [ $had_vfs_getname -eq 1 ] ; then
result_filename_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*"
line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_filename_re" | sed -r "s/$result_filename_re/\1/")
if [ -z "$line" ] ; then
result_aname_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->aname = NULL;"
line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_aname_re" | sed -r "s/$result_aname_re/\1/")
fi
perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \
perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"
fi
}
skip_if_no_debuginfo() {
add_probe_vfs_getname -v 2>&1 | grep -E -q "^(Failed to find the path for the kernel|Debuginfo-analysis is not supported)|(file has no debug information)" && return 2
return 1
}
# check if perf is compiled with libtraceevent support
skip_no_probe_record_support() {
if [ $had_vfs_getname -eq 1 ] ; then
perf check feature -q libtraceevent && return 1
return 2
fi
}
|
