Re: Need Help In trace generation for malloc(), free() calls etc - Abhinav Ranjan via lttng-dev

From: Abhinav Ranjan via lttng-dev <lttng-dev@lists.lttng.org>
To: Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
Cc: lttng-dev@lists.lttng.org
Subject: Re: Need Help In trace generation for malloc(), free() calls etc
Date: Thu, 14 May 2020 10:55:32 +0530	[thread overview]
Message-ID: <CAPC3er=7+wOR8CdtdU+PGGOgWLWMBy55jAR5jZzyzZr67mQuCA@mail.gmail.com> (raw)
In-Reply-To: <20200513180404.GB2381108@joraj-alpa>

[-- Attachment #1.1: Type: text/plain, Size: 1417 bytes --]

Thank You Sir,
I am sorry for the inconvenience caused to you!
Surely I'll take care of every suggestion you passed on to me.

Once again I thank you for your wonderful help!

Stay Safe and Happy!!!

On Wed, 13 May 2020 at 23:34, Jonathan Rajotte-Julien <
jonathan.rajotte-julien@efficios.com> wrote:

> Hi Abhinav,
>
> Please keep the mailing list in CC for all communication:
> lttng-dev@lists.lttng.org
>
> If not, I am not interested in helping you further.
>
> On Wed, May 13, 2020 at 09:26:52PM +0530, Abhinav Ranjan wrote:
> > Hi! Jonathan thank you so much for your help and reply! Sure I'll not use
> > snapshot from next time and follow your advice.
> > In fact I figured out the issue, but Jonathan I have one specific doubt I
> > wanted to trace malloc , free call from my app only  but after using
> lttng
> > enable-event --userspace lttng_ust_libc:malloc I am seeing several
> malloc (
> > in Trace Compass)   probably from different tracepoints from
> lttng_ust_libc.
>
> You will see all malloc that the app does for its lifetime since you
> LD_PRELOAD
> the wrapper including any allocation lttng-ust does. Keep in mind that
> lttng-ust
> is not magic, lttng-ust spun threads and do some allocations to do its job.
>
> What outcome do you expect? We might be able to at least get you on the
> right
> path. In other word, what is your end goal?
>
> Cheers
>
>

-- 
Thanking You!

Regards,
Abhinav

[-- Attachment #1.2: Type: text/html, Size: 2214 bytes --]

[-- Attachment #2: Type: text/plain, Size: 156 bytes --]

_______________________________________________
lttng-dev mailing list
lttng-dev@lists.lttng.org
https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev