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 | 34 |
1 files changed, 31 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 ed0a3972c4c8..88cd0e26d5f6 100644 --- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh +++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh @@ -1,3 +1,4 @@ +#!/bin/bash # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 perf probe -l 2>&1 | grep -q probe:vfs_getname @@ -10,11 +11,30 @@ cleanup_probe_vfs_getname() { } add_probe_vfs_getname() { - local verbose=$1 + add_probe_verbose=$1 if [ $had_vfs_getname -eq 1 ] ; then - line=$(perf probe -L getname_flags 2>&1 | grep -E 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\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 $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" + perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" || return 1 fi } @@ -22,3 +42,11 @@ 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 +} |