From: karim.yaghmour@opersys.com (Karim Yaghmour)
Subject: [lttng-dev] [PATCH] LTTng logger ABI
Date: Mon, 17 Feb 2014 19:06:09 -0500 [thread overview]
Message-ID: <5302A3F1.6090508@opersys.com> (raw)
In-Reply-To: <1392671512-9136-1-git-send-email-mathieu.desnoyers@efficios.com>
On 14-02-17 04:11 PM, Mathieu Desnoyers wrote:
> Add a user-space ABI (new file /proc/lttng-logger) to lttng-modules
> which can be written into by any user on the system. The content is
> saved into the kernel trace stream into the "lttng_logger" kernel event.
>
> The content of a single write is written into an lttng_logger event.
> The write count is truncated to 1024 bytes (if larger), which is much
> smaller than the smallest subbuffer size available (4096 bytes). This
> ensures all written data makes it into the active tracing buffers.
Very nice. Let me know when this is in so that I can schedule giving it
a try on Android.
--
Karim Yaghmour
CEO - Opersys inc. / www.opersys.com
http://twitter.com/karimyaghmour
next prev parent reply other threads:[~2014-02-18 0:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-17 21:11 Mathieu Desnoyers
2014-02-18 0:06 ` Karim Yaghmour [this message]
2014-02-18 0:22 ` Mathieu Desnoyers
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