linux/tools/perf/tests/shell/lib/probe_vfs_getname.sh
Kim Phillips 35435cd060 perf test shell: Replace '|&' with '2>&1 |' to work with more shells
Since we do not specify bash (and/or zsh) as a requirement, use the
standard error redirection that is more widely supported.

Signed-off-by: Kim Phillips <kim.phillips@arm.com>
Link: http://lkml.kernel.org/n/tip-ji5mhn3iilgch3eaay6csr6z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-08-16 16:23:26 -03:00

24 lines
718 B
Bash

# 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() {
local verbose=$1
if [ $had_vfs_getname -eq 1 ] ; then
line=$(perf probe -L getname_flags 2>&1 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/')
perf probe $verbose "vfs_getname=getname_flags:${line} pathname=result->name:string"
fi
}
skip_if_no_debuginfo() {
add_probe_vfs_getname -v 2>&1 | egrep -q "^(Failed to find the path for kernel|Debuginfo-analysis is not supported)" && return 2
return 1
}