From: Mathieu Desnoyers via lttng-dev <lttng-dev@lists.lttng.org>
To: "zhenyu.ren" <zhenyu.ren@aliyun.com>
Cc: lttng-dev <lttng-dev@lists.lttng.org>
Subject: Re: [lttng-dev] 回复： lttng-consumerd can NOT get notification to consume ring buffer data
Date: Thu, 9 Dec 2021 15:20:14 -0500 (EST) [thread overview]
Message-ID: <1486080138.26292.1639081214982.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <0c3d0086-e024-4aa9-a7f6-d54a7d487849.zhenyu.ren@aliyun.com>
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----- On Dec 7, 2021, at 8:47 PM, zhenyu.ren <zhenyu.ren@aliyun.com> wrote:
> Hi, Desnoyers
> For various reasons, none of the three suggestions you mentioned about
> reproducing the problem can be achieved easily.
> I am also wonder why commit counter not updated...It seems that the span
> producers not complete commiting(be killed?hang?)? It‘s very hard to debug all
> span producers since they are too many...
> So, Can I make lttng-consumer just skip out this subbuffer and try to consume
> the next subbuffer?
No, it's not that simple. Once this state is reached (e.g. caused by a killed application), just skipping this sub-buffer
will not allow applications to continue using this buffer for tracing until it is destroyed.
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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next prev parent reply other threads:[~2021-12-09 20:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 9:03 [lttng-dev] lttng-consumerd can NOT get notification to consume ring buffer data zhenyu.ren via lttng-dev
2021-12-07 20:07 ` Mathieu Desnoyers via lttng-dev
2021-12-08 1:47 ` [lttng-dev] 回复： " zhenyu.ren via lttng-dev
2021-12-09 20:20 ` Mathieu Desnoyers via lttng-dev [this message]
2021-12-10 1:42 ` [lttng-dev] 回复：回复： " zhenyu.ren via lttng-dev
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