From: Adrian Hunter <adrian.hunter@intel.com>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@redhat.com>,
Namhyung Kim <namhyung@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: perf top using /proc/kcore
Date: Tue, 15 Oct 2013 09:13:37 +0300 [thread overview]
Message-ID: <525CDD11.40803@intel.com> (raw)
In-Reply-To: <20131015020935.GB30662@ghostprotocols.net>
On 15/10/13 05:09, Arnaldo Carvalho de Melo wrote:
> Hi Adrian,
>
> While testing 'perf top -U' to reply a message in another thread
> I noticed that ksm symbols appeared as '[kernel]', and only when I tried
> 'perf top -U -v' to look at the DSO long name I noticed that it was...
> /proc/kcore.
>
> Question is: since we have access to /proc/modules, can't we
> parse that, as when we have access to vmlinux, and recreate the mmaps,
> etc, and see:
>
> [module] symbol
>
> Instead of grouping everything into a single [kernel] bucket?
I would suggest just splitting the maps and giving them names, rather than
splitting the dso as well. That would mean changing places that have:
map->dso->short_name
to
map->name ? map->name : map->dso->short_name
prev parent reply other threads:[~2013-10-15 6:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 2:09 perf top using /proc/kcore Arnaldo Carvalho de Melo
2013-10-15 6:13 ` Adrian Hunter [this message]
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