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brintos / linux-shallow public Read only

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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