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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2014-10-31 18:02:05 -0400
committerSteven Rostedt <rostedt@goodmis.org>2014-11-03 13:42:49 -0500
commite7dbb48958897c0a80b14250a981a563d9160e4d (patch)
treee679714789ebae73bc88f3c7a8a45e15521309d8 /tools
parenttracing/kprobes: Add selftest scripts testing kprobe-tracer as startup test (diff)
downloadlinux-dev-e7dbb48958897c0a80b14250a981a563d9160e4d.tar.xz
linux-dev-e7dbb48958897c0a80b14250a981a563d9160e4d.zip
ftracetest: Take the first debugfs mount found
Running ftracetests on a box that mounted debugfs in two locations made the ftracetests fail. This is because the tests uses a grep of debugfs from the /proc/mounts file to find the debugfs mount point, and then appends "/tracing" to that string to get the tracing directory. If the debugfs directory is mounted twice, then that grep will return two answers and appending "/tracing" to a string with two lines will not work. Use "head -1" to only take the first mount point found. Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/testing/selftests/ftrace/ftracetest2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index a8f81c782856..515247601df4 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -82,7 +82,7 @@ parse_opts() { # opts
}
# Parameters
-DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' '`
+DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
TRACING_DIR=$DEBUGFS_DIR/tracing
TOP_DIR=`absdir $0`
TEST_DIR=$TOP_DIR/test.d