Commit 5e466647 authored Jan 14, 2018 by Masami Hiramatsu Committed by Shuah Khan Jan 16, 2018

selftest: ftrace: Fix to pick text symbols for kprobes



Fix to pick text symbols for multiple kprobe testcase.
kallsyms shows text symbols with " t " or " T " but
current testcase picks all symbols including "t",
so it picks data symbols if it includes 't' (e.g. "str").

This fixes it to find symbol lines with " t " or " T "
(including spaces).

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reported-by: Russell King <linux@armlinux.org.uk>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>

parent a4f0e38e

tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc

+2 −2

Original line number	Diff line number	Diff line
		@@ -12,8 +12,8 @@ case `uname -m` in
		*) OFFS=0;;
		esac

		echo "Setup up to 256 kprobes"
		grep t /proc/kallsyms \| cut -f3 -d" " \| grep -v .\\.. \| \
		echo "Setup up kprobes on first 256 text symbols"
		grep -i " t " /proc/kallsyms \| cut -f3 -d" " \| grep -v .\\.. \| \
		head -n 256 \| while read i; do echo p ${i}+${OFFS} ; done > kprobe_events \|\|:

		echo 1 > events/kprobes/enable

Admin message