diff options
Diffstat (limited to 'tools/perf/tests/shell/lib/probe_vfs_getname.sh')
| -rw-r--r-- | tools/perf/tests/shell/lib/probe_vfs_getname.sh | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf/tests/shell/lib/probe_vfs_getname.sh index 5c33ec7a5a63..58debce9ab42 100644 --- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh +++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh @@ -13,14 +13,28 @@ cleanup_probe_vfs_getname() { 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/") + result_initname_re="[[:space:]]+([[:digit:]]+)[[:space:]]+initname.*" + line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_initname_re" | sed -r "s/$result_initname_re/\1/") + + # Search the old regular expressions so that this will + # pass on older kernels as well. + if [ -z "$line" ] ; 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/$result_filename_re/\1/") + fi + if [ -z "$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/$result_aname_re/\1/") fi + + if [ -z "$line" ] ; then + echo "Could not find probeable line" + return 2 + 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" + perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" || return 1 fi } |