From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
a.p.zijlstra@chello.nl, paulus@samba.org, mingo@elte.hu,
acme@ghostprotocols.net, anton@samba.org, daahern@cisco.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tools/perf: Increase symbol KSYM_NAME_LEN size
Date: Thu, 20 Oct 2011 12:58:55 +0400 [thread overview]
Message-ID: <20111020085855.GE14464@moon> (raw)
In-Reply-To: <CAPybu_3kqqtfv1XyhruS3AMiRbd=wdMUr4rJL1UmDG_+z2m9jA@mail.gmail.com>
On Thu, Oct 20, 2011 at 10:45:01AM +0200, Ricardo Ribalda Delgado wrote:
> That is 4gb size :S..... I have tried making a dummy program
>
> int tttttt......ttttt (int a, int b){
> return a+b;
> }
>
> int main(int arg, char *[]argv){
> return tttt....tttt(1,2);
> }
>
> and it has worked at least until t^16384 both in gcc and in gdb, and I
> guess it would have continue working until much more.
>
> Right now, I think we can increase it until 512, to be on the safe
> side, and keep it simple. What do you think?
>
I've no idea how perf uses them, so I think I have no rights to
advise here ;) If this has no performance impact then sure, looks
good.
Cyrill
next prev parent reply other threads:[~2011-10-20 8:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-20 7:43 [PATCH] tools/perf: Increase symbol KSYM_NAME_LEN size Ricardo Ribalda Delgado
2011-10-20 7:54 ` Pekka Enberg
2011-10-20 8:14 ` Cyrill Gorcunov
2011-10-20 8:45 ` Ricardo Ribalda Delgado
2011-10-20 8:58 ` Cyrill Gorcunov [this message]
2011-10-20 9:14 ` Pekka Enberg
2011-10-21 15:23 ` Arnaldo Carvalho de Melo
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