m
Date: 09/11/2013 03:24 PM
Subject: Re: [lttng-dev] Getting function names with
lttng-ust-cyg-profile.so
On 09/11/2013 11:12 AM, Amit Margalit wrote:
I agree with Paul, that no redundant data gets replicated with his
approach, and my only concern is that this approach really forces a viewer
t; **From:**"Woegerer, Paul"
> **To:**Matthew Khouzam
> **Cc: **lttng-dev , Mathieu
> Desnoyers
> **Date:**09/10/2013 06:47 PM
> **Subject:**Re: [lttng-dev] Getting function names with
> lttng-ust-cyg-pro
mit Margalit
IBM XIV - Storage Reinvented
XIV-NAS Development Team
Tel. 03-689-7774
Fax. 03-689-7230
From: "Woegerer, Paul"
To: Matthew Khouzam
Cc: lttng-dev , Mathieu Desnoyers
Date: 09/10/2013 06:47 PM
Subject: Re: [lttng-dev] Getting function names with
lttng-ust-c
On 13-09-10 03:00 AM, Woegerer, Paul wrote:
> Hi Alexandre,
>
> For trivial examples you can go with 'nm -CS' (or the like), but when
> you start to use liblttng-ust-cyg-profile.so in combination with shared
> objects you will need to record base address information as well (to
> allow you map a v
On 09/10/2013 05:37 PM, Matthew Khouzam wrote:
> On 13-09-10 03:00 AM, Woegerer, Paul wrote:
>> Hi Alexandre,
>>
>> For trivial examples you can go with 'nm -CS' (or the like), but when
>> you start to use liblttng-ust-cyg-profile.so in combination with shared
>> objects you will need to record bas
Alex brought up an excellent point,
these locations should be events since there can be address collisions.
A default event for location with a payload of address and name would be
sufficient I think. DlOpen will create many events then.
On 13-09-10 11:15 AM, Matthew Khouzam wrote:
> Hi Alex and
Hi Alex and Mathieu,
A year ago we discussed this and said iirc: "the addresses are a good
first step, we'll do more later." and "It would be nice to dump the
stabs into the metadata of the ctf trace"
I would still maintain that this seems to be the way to go.
A technical hurdle that is probably
-7774
Fax. 03-689-7230
From: "Woegerer, Paul"
To: , Mathieu Desnoyers
Cc: lttng-dev
Date: 09/10/2013 10:01 AM
Subject: Re: [lttng-dev] Getting function names with
lttng-ust-cyg-profile.so
Hi Alexandre,
For trivial examples you can go with 'nm -CS' (o
Hi Alexandre,
For trivial examples you can go with 'nm -CS' (or the like), but when
you start to use liblttng-ust-cyg-profile.so in combination with shared
objects you will need to record base address information as well (to
allow you map a virtual memory address at a given point in time to
offset
We might want to investigate doing a side-program that gathers the
executables on the system, and lookup the symbols from the ELF. We could
save those in a bin/ subdirectory of a CTF trace. All we need is
instrumentation of the dynamic linker, and to know the executable names
associated with PIDs.
Hi all,
I've recently started playing with liblttng-ust-cyg-profile.so (aka,
getting UST events from -finstrument-functions), and I have to say it's
pretty nifty! I haven't done any benchmarks, but it's certainly faster
than the typical printf() that people use with it...
However, in the resultin
11 matches
Mail list logo
