[lttng-dev] Mariadb+LTTng 2.x

[Mathieu Desnoyers]

Ensure that you don't have a old sessiond binary still running,

that you issue ldconfig as root,

that you don't have stale old libs in /usr/lib nor /usr/local/lib

Thanks,

Mathieu

* Yang Wang (yangw.wang5 at unb.ca) wrote:
> Hello Alex,
> 
> I reinstalled lttng-tools-2.1.0 and compiled Mariadb with lttng-ust.2.1.2(now they work together)
> The following is related to lttng-tools-2.1.0 in /usr/local/lib after I reinstalled it.
> 
> -rw-r--r-- 1 root root  1018130 May 18 13:50 liblttng-ctl.a
> -rwxr-xr-x 1 root root     1035 May 18 13:50 liblttng-ctl.la
> lrwxrwxrwx 1 root root       21 May 18 13:50 liblttng-ctl.so -> liblttng-ctl.so.0.0.0
> lrwxrwxrwx 1 root root       21 May 18 13:50 liblttng-ctl.so.0 -> liblttng-ctl.so.0.0.0
> -rwxr-xr-x 1 root root   491876 May 18 13:50 liblttng-ctl.so.0.0.0
> 
> But it reports the same error as before. If it is a compatibility problem, why my instrumented
> J9 VM with lttng-ust.2.1.2 has no this errors? 
> 
> Yang
> 
> ________________________________________
> From: Alexandre Montplaisir [alexmonthy at voxpopuli.im]
> Sent: Friday, May 17, 2013 6:28 PM
> To: Yang Wang
> Cc: Mathieu Desnoyers; Yannick Brosseau; David Goulet; Graeme Johnson; Kenneth Kent; lttng-dev at lists.lttng.org
> Subject: Re: Mariadb+LTTng 2.x
> 
> Hi Yang,
> 
> On 13-05-17 05:21 PM, Yang Wang wrote:
> > It seems not this compatibility problem. I have removed all ust1.0 stuffs in the instrumented Mariadb code and
> > replaced with lttng-ust 2.x say, tracepoint statements, trancepoint provider files, probes files and use the lib -llttng-ust instead of -lust. Anything I missed?
> 
> Mathieu was talking about 2.0 vs 2.1, not 0.x vs 2.x.
> 
> If you compiled your application with lttng-ust 2.1, make sure you use
> lttng-tools 2.1 to trace it. lttng-tools 2.0 will not work.
> 
> >
> > Is "libust[7848/7853]: " reported from lttng-tools 2.0? Actually, this is printed from
> 
> Yeah I think this is normal, this is old stuff that dates from the 0.x
> days, but lttng-ust still prints it that way.
> 
> 
> Cheers,
> Alex
> 
> 

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com