On Wed, 20 Mar 2019 11:28:51 -0700
Divya Indi <divya.indi@xxxxxxxxxx> wrote:
Ftrace provides the feature âinstancesâ that provides the capability toWould you tested these APIs with your module? Since,
create multiple Ftrace ring buffers. However, currently these buffers
are created/accessed via userspace only. The kernel APIs providing these
features are not exported, hence cannot be used by other kernel
This patch aims to extend this infrastructure to provide the
flexibility to create/log/remove/ enable-disable existing trace events
to these buffers from within the kernel.
Signed-off-by: Divya Indi <divya.indi@xxxxxxxxxx>
Reviewed-by: Joe Jin <joe.jin@xxxxxxxxxx>
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.cI found this exports a static function to module. Did it work?
index 5b3b0c3..81c038e 100644
@@ -832,6 +832,7 @@ static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)