39 lines · bash
1#!/bin/sh2# Arnaldo Carvalho de Melo <acme@kernel.org>, 20173 4perf probe -l 2>&1 | grep -q probe:vfs_getname5had_vfs_getname=$?6 7cleanup_probe_vfs_getname() {8 if [ $had_vfs_getname -eq 1 ] ; then9 perf probe -q -d probe:vfs_getname*10 fi11}12 13add_probe_vfs_getname() {14 add_probe_verbose=$115 if [ $had_vfs_getname -eq 1 ] ; then16 result_filename_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*"17 line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_filename_re" | sed -r "s/$result_filename_re/\1/")18 if [ -z "$line" ] ; then19 result_aname_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->aname = NULL;"20 line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_aname_re" | sed -r "s/$result_aname_re/\1/")21 fi22 perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \23 perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"24 fi25}26 27skip_if_no_debuginfo() {28 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 229 return 130}31 32# check if perf is compiled with libtraceevent support33skip_no_probe_record_support() {34 if [ $had_vfs_getname -eq 1 ] ; then35 perf check feature -q libtraceevent && return 136 return 237 fi38}39