<font size=2 face="sans-serif">Done. Bug #776: </font><a href=http://bugs.lttng.org/issues/776><font size=2 color=blue face="sans-serif">http://bugs.lttng.org/issues/776</font></a>
<br>
<br><font size=2 color=#000080 face="sans-serif">Amit Margalit</font>
<br><font size=2 color=#808000 face="sans-serif">IBM XIV </font><font size=2 face="sans-serif">-
<i>Storage Reinvented</i></font>
<br><font size=2 face="sans-serif">XIV-NAS Development Team</font>
<br><font size=2 face="sans-serif">Tel. 03</font><font size=2 face="Arial">-689-7774</font>
<br><font size=2 face="Arial">Fax. 03-689-7230</font>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Jérémie Galarneau <jeremie.galarneau@efficios.com></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Amit Margalit/Israel/IBM@IBMIL</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">lttng-dev <lttng-dev@lists.lttng.org></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">04/02/2014 05:47 PM</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [lttng-dev]
Minor documentation issue with 2.4.0</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">jeremie.galarneau@gmail.com</font>
<br>
<hr noshade>
<br>
<br>
<br><tt><font size=2>Hi Amit,<br>
<br>
Can you open a bug against lttng-tools on bugs.lttng.org? This way<br>
we'll be sure to track the change.<br>
<br>
Thanks,<br>
Jérémie<br>
<br>
On Wed, Apr 2, 2014 at 5:23 AM, Amit Margalit <AMITM@il.ibm.com>
wrote:<br>
> Hello,<br>
><br>
> I ran a command that included an error, and noticed that 'lttng' mentions
-j<br>
> in --buffers-pid and --buffers-uid, but nowhere else:<br>
><br>
> # /usr/bin/lttng enable-channel -u<br>
> Error: Missing channel name.<br>
><br>
> usage: lttng enable-channel NAME[,NAME2,...] (-u | -k) [OPTIONS]<br>
><br>
> Options:<br>
> -h, --help
Show this help<br>
> --list-options Simple listing
of options<br>
> -s, --session NAME Apply to session name<br>
> -k, --kernel Apply
to the kernel tracer<br>
> -u, --userspace Apply to
the user-space tracer<br>
><br>
> Channel options:<br>
> --discard
Discard event when buffers are full (default)<br>
> --overwrite Flight
recorder mode<br>
> --subbuf-size SIZE Subbuffer size in bytes
{+k,+M,+G}<br>
>
(default UST uid: 131072, UST
pid: 4096,<br>
> kernel: 262144, metadata: 4096)<br>
>
Rounded up to the next power of
2.<br>
> --num-subbuf NUM Number of subbufers<br>
>
(default UST uid: 4, UST pid:
4, kernel: 4,<br>
> metadata: 2)<br>
>
Rounded up to the next power of
2.<br>
> --switch-timer USEC Switch timer interval
in usec<br>
>
(default UST uid: 0, UST pid:
0, kernel: 0,<br>
> metadata: 0)<br>
> --read-timer USEC Read timer interval
in usec.<br>
>
(default UST uid: 0, UST pid:
0, kernel:<br>
> 200000, metadata: 0)<br>
> --output TYPE Channel
output type (Values: mmap, splice)<br>
>
(default UST uid: mmap, UST pid:
mmap,<br>
> kernel: splice, metadata: mmap)<br>
> --buffers-uid Use
per UID buffer (-u/-j only)<br>
> --buffers-pid Use
per PID buffer (-u/-j only)<br>
> --buffers-global Use shared buffer
for the whole system (-k only)<br>
> -C, --tracefile-size SIZE<br>
>
Maximum size of each tracefile within a stream<br>
> (in bytes). 0 means unlimited.<br>
>
(default: 0)<br>
> -W, --tracefile-count COUNT<br>
>
Used in conjunction with -C option, this will<br>
> limit the number<br>
>
of files created to the specified count. 0 means<br>
> unlimited.<br>
>
(default: 0)<br>
><br>
> Error: Command error<br>
><br>
> You can see these 2 lines:<br>
><br>
> --buffers-uid Use
per UID buffer (-u/-j only)<br>
> --buffers-pid Use
per PID buffer (-u/-j only)<br>
><br>
> But -j is not explained above.<br>
><br>
> Amit Margalit<br>
> IBM XIV - Storage Reinvented<br>
> XIV-NAS Development Team<br>
> Tel. 03-689-7774<br>
> Fax. 03-689-7230<br>
> _______________________________________________<br>
> lttng-dev mailing list<br>
> lttng-dev@lists.lttng.org<br>
> </font></tt><a href="http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev"><tt><font size=2>http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev</font></tt></a><tt><font size=2><br>
><br>
<br>
<br>
<br>
-- <br>
Jérémie Galarneau<br>
EfficiOS Inc.<br>
</font></tt><a href=http://www.efficios.com/><tt><font size=2>http://www.efficios.com</font></tt></a><tt><font size=2><br>
<br>
</font></tt>
<br>