Files
linux/tools/perf/tests/shell/lib/probe_vfs_getname.sh
Athira Rajeev 512fcf7d9d perf tests probe_vfs_getname.sh: Update to use 'perf check feature'
In probe_vfs_getname.sh, current we use "perf record --dry-run"
to check for libtraceevent and skip the test if perf is not
build with libtraceevent. Change the check to use "perf check feature"
option

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240904190132.415212-6-adityag@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-09-04 16:19:52 -03:00

39 lines
1.3 KiB
Bash

#!/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
}