Support soft-mode disabling on uprobe-based dynamic events. Soft-disabling is just ignoring recording if the soft disabled flag is set.
Signed-off-by: zhangwei(Jovi) <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Srikar Dronamraju <[email protected]> --- kernel/trace/trace_uprobe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 2fc9931..94f180d 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -530,6 +530,9 @@ static void uprobe_trace_print(struct trace_uprobe *tu, WARN_ON(call != ftrace_file->event_call); + if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, &ftrace_file->flags)) + return; + size = SIZEOF_TRACE_ENTRY(is_ret_probe(tu)); event = trace_event_buffer_lock_reserve(&buffer, ftrace_file, call->event.type, -- 1.7.9.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
