On Thu, 9 Nov 2023 21:18:48 -0500
Steven Rostedt wrote:
> On Fri, 10 Nov 2023 10:51:54 +0900
> Masami Hiramatsu (Google) wrote:
>
> > So this patch registers ftrace_ops for each fgraph_ops to ftrace.
> > This means that the ftrace_graph_func() will be called twice or more
> > on the same
On Fri, 10 Nov 2023 10:51:54 +0900
Masami Hiramatsu (Google) wrote:
> So this patch registers ftrace_ops for each fgraph_ops to ftrace.
> This means that the ftrace_graph_func() will be called twice or more
> on the same function.
> Thus should I call ftrace_startup() once when the first
Hi,
I found strange behavior that if we set two or more probes on the same function,
its callback called twice or more. Also, the stacktrace failed.
And I found the root cause is here;
On Wed, 8 Nov 2023 23:26:42 +0900
"Masami Hiramatsu (Google)" wrote:
> @@ -910,9 +917,10 @@ int
From: Steven Rostedt (VMware)
Allow for instances to have their own ftrace_ops part of the fgraph_ops
that makes the funtion_graph tracer filter on the set_ftrace_filter file
of the instance and not the top instance.
Signed-off-by: Steven Rostedt (VMware)
Signed-off-by: Masami Hiramatsu
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