From: "Steinar H. Gunderson" <sesse@google.com>
To: binutils@sourceware.org
Cc: sesse@chromium.org
Subject: Re: [PATCH v4] Add a trie to map quickly from address range to compilation unit.
Date: Mon, 9 May 2022 14:17:30 +0200 [thread overview]
Message-ID: <YnkGWu0hADsY7TJt@google.com> (raw)
In-Reply-To: <20220422102512.2279635-1-sesse@google.com>
On Fri, Apr 22, 2022 at 12:25:12PM +0200, Steinar H. Gunderson wrote:
> When using perf to profile large binaries, _bfd_dwarf2_find_nearest_line()
> becomes a hotspot, as perf wants to get line number information
> (for inline-detection purposes) for each and every sample. In Chromium
> in particular (the content_shell binary), this entails going through
> 475k address ranges, which takes a long time when done repeatedly.
Hi,
Any news on getting this pushed?
/* Steinar */
next prev parent reply other threads:[~2022-05-09 12:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 10:25 Steinar H. Gunderson
2022-05-09 12:17 ` Steinar H. Gunderson [this message]
2022-05-20 14:12 ` Jan Beulich
2022-05-20 14:16 ` Steinar H. Gunderson
2022-05-20 14:21 ` Jan Beulich
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