From mboxrd@z Thu Jan  1 00:00:00 1970
From: jeremie.galarneau@efficios.com (=?ISO-8859-1?Q?J=E9r=E9mie_Galarneau?=)
Date: Tue, 5 Nov 2013 20:44:13 -0500
Subject: [lttng-dev] Quick question about discarded events
In-Reply-To: <48CF5AC71E61DB46B70D0F388054EFFD267A0FA7@VAL-E-01.valcartier.drdc-rddc.gc.ca>
References: <48CF5AC71E61DB46B70D0F388054EFFD267A0FA7@VAL-E-01.valcartier.drdc-rddc.gc.ca>
Message-ID: <CA+jJMxubqyOfqwJpsxOh9rX=BZkvck_bBRR9xGQjT3BLNP7eKw@mail.gmail.com>

On Tue, Nov 5, 2013 at 8:38 AM, Thibault, Daniel <
Daniel.Thibault at drdc-rddc.gc.ca> wrote:

> ------------------------------
> Date: Mon, 4 Nov 2013 14:32:02 +0100
> From: "=?iso-8859-1?Q?David_Lindstr=F6m?="
>         <david.lindstrom at percepio.se>
>
> > If I encounter a trace where a packet contains the events_discarded field
> > with a non-zero value, I want to warn/notify the user. Were the events
> > discarded before the timestamp_begin of the packet, after timestamp_end
> or
> > in between? I basically want to plot some symbol on my timeline
> > approximately where the user can expect bad/missing data.
> >
> > Mvh
> > David Lindstr?m
>
>    I do believe the events were lost in between the begin and end packet
> timestamps.
>
>
That's my interpretation too... which gives me an opportunity to bump bug
#589 [1].
It seems Babeltrace and TMF's interpretation of the specification differ on
this point. Mathieu can probably settle the debate ;)

Cheers,
J?r?mie

[1] https://bugs.lttng.org/issues/589



> Daniel U. Thibault
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-- 
J?r?mie Galarneau
EfficiOS Inc.
http://www.efficios.com
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