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| author | Mark Brown | 2017-09-19 15:12:47 +0200 |
|---|---|---|
| committer | Mark Brown | 2017-09-19 15:12:47 +0200 |
| commit | e9331ee9b164d58b4dd0abc882ba7e23d2f404b3 (patch) | |
| tree | 903d078e53a59ed65708193f2486ad0b9a8109d8 /tools/perf/tests/shell/lib/probe_vfs_getname.sh | |
| parent | ASoC: rockchip: Add dapm route for HDMI (diff) | |
| parent | Linux 4.14-rc1 (diff) | |
| download | kernel-qcow2-linux-e9331ee9b164d58b4dd0abc882ba7e23d2f404b3.tar.gz kernel-qcow2-linux-e9331ee9b164d58b4dd0abc882ba7e23d2f404b3.tar.xz kernel-qcow2-linux-e9331ee9b164d58b4dd0abc882ba7e23d2f404b3.zip | |
Merge tag 'v4.14-rc1' into asoc-rockchip
Linux 4.14-rc1
Diffstat (limited to 'tools/perf/tests/shell/lib/probe_vfs_getname.sh')
| -rw-r--r-- | tools/perf/tests/shell/lib/probe_vfs_getname.sh | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf/tests/shell/lib/probe_vfs_getname.sh new file mode 100644 index 000000000000..30a950c9d407 --- /dev/null +++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh @@ -0,0 +1,23 @@ +# 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 +} |