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authorMark Brown2017-09-19 15:12:47 +0200
committerMark Brown2017-09-19 15:12:47 +0200
commite9331ee9b164d58b4dd0abc882ba7e23d2f404b3 (patch)
tree903d078e53a59ed65708193f2486ad0b9a8109d8 /tools/perf/tests/shell/lib
parentASoC: rockchip: Add dapm route for HDMI (diff)
parentLinux 4.14-rc1 (diff)
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Merge tag 'v4.14-rc1' into asoc-rockchip
Linux 4.14-rc1
Diffstat (limited to 'tools/perf/tests/shell/lib')
-rw-r--r--tools/perf/tests/shell/lib/probe.sh6
-rw-r--r--tools/perf/tests/shell/lib/probe_vfs_getname.sh23
2 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lib/probe.sh b/tools/perf/tests/shell/lib/probe.sh
new file mode 100644
index 000000000000..6293cc660947
--- /dev/null
+++ b/tools/perf/tests/shell/lib/probe.sh
@@ -0,0 +1,6 @@
+# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
+
+skip_if_no_perf_probe() {
+ perf probe 2>&1 | grep -q 'is not a perf-command' && return 2
+ return 0
+}
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
+}