From: francis.giraldeau@gmail.com (Francis Giraldeau)
Subject: [lttng-dev] [RFC] User space stack trace on system calls
Date: Fri, 30 Aug 2013 23:59:59 -0400 [thread overview]
Message-ID: <52216A3F.8000200@gmail.com> (raw)
In-Reply-To: <52216536.40709@gmail.com>
On 2013-08-30 23:38, Francis Giraldeau wrote :
> We actually
> found a way to insert code inside the probe with code blocks that
> returns a value. Thanks to Simon Marchi for this C trick!
Well, it turns out that the function save_stack_trace_user() is called
even when the tracepoint is not enabled, so this is a major issue.
Hum... Then why does it work for UST tracepoint macro?
Cheers,
Francis
next prev parent reply other threads:[~2013-08-31 3:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-31 3:38 Francis Giraldeau
2013-08-31 3:59 ` Francis Giraldeau [this message]
2013-08-31 5:16 ` Francis Giraldeau
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