From: Yannick Brosseau <scientist@fb.com>
To: Jeff Epler <jepler@unpythonic.net>
Cc: <acme@kernel.org>, <mingo@redhat.com>, <paulus@samba.org>,
<a.p.zijlstra@chello.nl>, <jolsa@kernel.org>,
<ak@linux.intel.com>, <linux-kernel@vger.kernel.org>,
<kernel-team@fb.com>
Subject: Re: [PATCH] perf report: Fix sort__sym_cmp to also compare end of symbol
Date: Wed, 17 Jun 2015 16:55:58 -0700 [thread overview]
Message-ID: <5582090E.5060209@fb.com> (raw)
In-Reply-To: <20150617235343.GB84349@unpythonic.net>
On 06/17/2015 04:53 PM, Jeff Epler wrote:
> On Wed, Jun 17, 2015 at 04:41:10PM -0700, Yannick Brosseau wrote:
>> When using a map file from a JIT, due to memory reuse, we can
>> obtain multiple symbols with the same start address but a different
>> length.
> Is there some reason it's impossible for the reused memory to have the
> same length / end address?
>
It's possible that they are the same, and in that case the function
returns 0.
The patch is adding the handling of the case where they are different.
next prev parent reply other threads:[~2015-06-17 23:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-17 23:41 [PATCH] perf report: Fix sort__sym_cmp to also compare end of symbol Yannick Brosseau
2015-06-17 23:53 ` Jeff Epler
2015-06-17 23:55 ` Yannick Brosseau [this message]
2015-06-19 21:14 ` Arnaldo Carvalho de Melo
2015-06-19 23:18 ` [tip:perf/core] " tip-bot for Yannick Brosseau
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