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From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Francis Moreau <francis.moro@gmail.com>,
	linux-perf-users@vger.kernel.org,
	2nddept-manager@sdl.hitachi.co.jp
Subject: Re: perf-probe: issue with latest fedora kernel
Date: Wed, 15 Dec 2010 16:53:58 -0200	[thread overview]
Message-ID: <20101215185358.GA15822@ghostprotocols.net> (raw)
In-Reply-To: <4D0882E7.8090805@hitachi.com>

Em Wed, Dec 15, 2010 at 05:57:11PM +0900, Masami Hiramatsu escreveu:
> (2010/12/13 23:21), Arnaldo Carvalho de Melo wrote:
> > Also 'perf probe -L' should look use
> > /usr/src/debug/kernel-2.6.35.fc14/linux-2.6.35.x86_64 as a prefix to look for
> > sources.

> > That can be found using:

> >  <0><8b>: Abbrev Number: 1 (DW_TAG_compile_unit)
> >     <8c>   DW_AT_producer    : (indirect string, offset: 0x22f4): GNU C 4.5.1 20100924 (Red Hat 4.5.1-4)        
> >     <90>   DW_AT_language    : 1        (ANSI C)
> >     <91>   DW_AT_name        : (indirect string, offset: 0x37a): arch/x86/kernel/head64.c       
> >     <95>   DW_AT_comp_dir    : (indirect string, offset: 0x24d0): /usr/src/debug/kernel-2.6.35.fc14/linux-2.6.35.x86_64 

> > I.e. using the DW_AT_comp_dir attribute in the DW_TAG_compile_unit DWARF tags,
> > Masami?

> It already supports DW_AT_comp_dir on upstream kernel,
> see find_line_range() in utils/probe-finder.c ;-)

I happily stand corrected, was using the f14 one :-)

Great work!

- Arnaldo

  reply	other threads:[~2010-12-15 18:54 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-09 15:00 perf-probe: issue with latest fedora kernel Francis Moreau
2010-12-09 15:35 ` Arnaldo Carvalho de Melo
2010-12-09 16:34   ` Francis Moreau
2010-12-10  3:27     ` Masami Hiramatsu
2010-12-10  7:53       ` Franck Bui-Huu
2010-12-10  8:26         ` Masami Hiramatsu
2010-12-10 13:00           ` Franck Bui-Huu
2010-12-10 13:06             ` [PATCH 1/2] perf-probe: do use the kernel image path given by 'k' option Franck Bui-Huu
2010-12-10 13:07             ` [PATCH 2/2] perf-probe: fail if the kernel image contains no symbol Franck Bui-Huu
2010-12-10  7:30   ` perf-probe: issue with latest fedora kernel Franck Bui-Huu
2010-12-12 14:08     ` Arnaldo Carvalho de Melo
2010-12-12 22:15       ` Franck Bui-Huu
2010-12-13 16:40         ` Arnaldo Carvalho de Melo
2010-12-13 10:02   ` Francis Moreau
2010-12-13 12:58     ` Arnaldo Carvalho de Melo
2010-12-13 13:08       ` Francis Moreau
2010-12-13 14:04         ` Masami Hiramatsu
2010-12-13 14:16           ` Francis Moreau
2010-12-13 19:08             ` Francis Moreau
2010-12-13 14:25           ` Arnaldo Carvalho de Melo
2010-12-13 14:21         ` Arnaldo Carvalho de Melo
2010-12-13 15:11           ` Francis Moreau
2010-12-13 16:40             ` Arnaldo Carvalho de Melo
2010-12-13 19:08               ` Francis Moreau
2010-12-13 19:17                 ` Arnaldo Carvalho de Melo
2010-12-13 19:32                   ` Francis Moreau
2010-12-15  8:57           ` Masami Hiramatsu
2010-12-15 18:53             ` Arnaldo Carvalho de Melo [this message]
2010-12-23 13:59             ` Franck Bui-Huu
2010-12-27 20:50               ` Franck Bui-Huu

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