From: Milian Wolff <milian.wolff@kdab.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: acme@kernel.org, jolsa@kernel.org,
Jin Yao <yao.jin@linux.intel.com>,
Linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
David Ahern <dsahern@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
kernel-team@lge.com
Subject: Re: [PATCH v4 14/15] perf report: use srcline from callchain for hist entries
Date: Mon, 09 Oct 2017 22:21:30 +0200 [thread overview]
Message-ID: <25129135.mgkeNORqek@agathebauer> (raw)
In-Reply-To: <20171005040829.GA1584@danjae.aot.lge.com>
On Donnerstag, 5. Oktober 2017 06:08:29 CEST Namhyung Kim wrote:
> On Sun, Oct 01, 2017 at 04:30:59PM +0200, Milian Wolff wrote:
> > This also removes the symbol name from the srcline column,
> > more on this below.
> >
> > This ensures we use the correct srcline, which could originate
> > from a potentially inlined function. The hist entries used to
> > query for the srcline based purely on the IP, which leads to
> > wrong results for inlined entries.
>
> Yep, AFAICS current srcline returns the first entry in a inline-chain
> and the srcfile (sort key) returns the last. I think we need to make
> it consistent. It seems this patch fix it when --inline option is
> used, but I guess the --no-inline case still has the problem.
I'm not sure I've understood you correctly. There is indeed an issue still
when passing --no-inline, which seems to arise from the use of
map__rip_2objdump instead of map__objdump_2mem. I've changed that now and will
include that patch in v5 of this patch series.
Cheers
--
Milian Wolff | milian.wolff@kdab.com | Senior Software Engineer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel: +49-30-521325470
KDAB - The Qt Experts
next prev parent reply other threads:[~2017-10-09 20:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-01 14:30 [PATCH v4 00/15] generate full callchain cursor entries for inlined frames Milian Wolff
2017-10-01 14:30 ` [PATCH v4 01/15] perf report: remove code to handle inline frames from browsers Milian Wolff
2017-10-01 14:30 ` [PATCH v4 02/15] perf util: store srcline in callchain_cursor_node Milian Wolff
2017-10-01 14:30 ` [PATCH v4 03/15] perf util: refactor inline_list to operate on symbols Milian Wolff
2017-10-05 1:56 ` Namhyung Kim
2017-10-08 19:53 ` Milian Wolff
2017-10-01 14:30 ` [PATCH v4 04/15] perf util: refactor inline_list to store srcline string directly Milian Wolff
2017-10-01 14:30 ` [PATCH v4 05/15] perf report: create real callchain entries for inlined frames Milian Wolff
2017-10-05 3:35 ` Namhyung Kim
2017-10-08 20:26 ` Milian Wolff
2017-10-01 14:30 ` [PATCH v4 06/15] perf report: fall-back to function name comparison for -g srcline Milian Wolff
2017-10-01 14:30 ` [PATCH v4 07/15] perf report: mark inlined frames in output by " (inlined)" suffix Milian Wolff
2017-10-01 14:30 ` [PATCH v4 08/15] perf script: mark inlined frames and do not print DSO for them Milian Wolff
2017-10-01 14:30 ` [PATCH v4 09/15] perf report: compare symbol name for inlined frames when matching Milian Wolff
2017-10-01 14:30 ` [PATCH v4 10/15] perf report: compare symbol name for inlined frames when sorting Milian Wolff
2017-10-01 14:30 ` [PATCH v4 11/15] perf report: properly handle branch count in match_chain Milian Wolff
2017-10-01 14:30 ` [PATCH v4 12/15] perf report: cache failed lookups of inlined frames Milian Wolff
2017-10-05 3:43 ` Namhyung Kim
2017-10-08 20:28 ` Milian Wolff
2017-10-01 14:30 ` [PATCH v4 13/15] perf report: cache srclines for callchain nodes Milian Wolff
2017-10-01 14:30 ` [PATCH v4 14/15] perf report: use srcline from callchain for hist entries Milian Wolff
2017-10-05 4:08 ` Namhyung Kim
2017-10-09 20:21 ` Milian Wolff [this message]
2017-10-01 14:31 ` [PATCH v4 15/15] perf util: enable handling of inlined frames by default Milian Wolff
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=25129135.mgkeNORqek@agathebauer \
--to=milian.wolff@kdab.com \
--cc=Linux-kernel@vger.kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=acme@kernel.org \
--cc=acme@redhat.com \
--cc=dsahern@gmail.com \
--cc=jolsa@kernel.org \
--cc=kernel-team@lge.com \
--cc=linux-perf-users@vger.kernel.org \
--cc=namhyung@kernel.org \
--cc=yao.jin@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.