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 --- .../ftrace/test.d/kprobe/multiple_kprobes.tc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc index bb16cf91f1b5..e297bd7a2e79 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -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
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