From: Han Pingtian <phan@redhat.com>
To: Lin Ming <ming.m.lin@intel.com>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: perf archive warning
Date: Wed, 2 Mar 2011 16:53:55 +0800 [thread overview]
Message-ID: <20110302085355.GA9857@hpt.nay.redhat.com> (raw)
In-Reply-To: <1299054581.8642.36.camel@minggr.sh.intel.com>
On Wed, Mar 02, 2011 at 04:29:41PM +0800, Lin Ming wrote:
> >
> > root@intel-s3e36-01 perf]# ./perf-archive
> > tar: .build-id/b2/370e39ea2898c6e11c188e2f3879e4e3d6d1ef: Cannot stat:
> > No such file or directory
> > tar: .build-id/b2/370e39ea2898c6e11c188e2f3879e4e3d6d1ef: Cannot stat:
> > No such file or directory
> > tar: Exiting with failure status due to previous errors
>
> kernel.kallsyms is not created successfully in the buildid-cache.
> Could you have a try below patch?
>
> diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
> index 72c124d..d3b5062 100644
> --- a/tools/perf/util/header.c
> +++ b/tools/perf/util/header.c
> @@ -271,11 +271,16 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
> const char *name, bool is_kallsyms)
> {
> const size_t size = PATH_MAX;
> - char *realname = realpath(name, NULL),
> + char *realname,
> *filename = malloc(size),
> *linkname = malloc(size), *targetname;
> int len, err = -1;
>
> + if (is_kallsyms)
> + realname = (char *)name;
> + else
> + realname = realpath(name, NULL);
> +
> if (realname == NULL || filename == NULL || linkname == NULL)
> goto out_free;
>
> @@ -307,7 +312,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
> if (symlink(targetname, linkname) == 0)
> err = 0;
> out_free:
> - free(realname);
> + if (!is_kallsyms)
> + free(realname);
> free(filename);
> free(linkname);
> return err;
>
The patch didn't fix this problem.
>
> > Now please run:
> >
> > $ tar xvf perf.data.tar.bz2 -C ~/.debug
> >
> > wherever you need to run 'perf report' on.
> > [root@intel-s3e36-01 perf]# ./perf --version
> > perf version 2.6.38.rc6.166.g493f33
> > [root@intel-s3e36-01 perf]# ./perf buildid-list
> > b2370e39ea2898c6e11c188e2f3879e4e3d6d1ef [kernel.kallsyms]
> > dd95cb496ebc4ed922eeb5640965f1243fcfcd9a
> > /lib/modules/2.6.32-118.el6.x86_64/kernel/fs/ext4/ext4.ko
> > 9e1aca88b83308cec7574d74975fa6f7d654c96e /lib64/libc-2.12.so
> > d880be15bf992b5fbcc629e6bbf1c747a928ddd5 /lib64/libglib-2.0.so.0.2200.5
> > d1b2ca4e1ec8f81ba820e5f1375d960107ac7e50 /usr/lib64/libstdc++.so.6.0.13
> > [root@intel-s3e36-01 perf]#
> >
> > --
> > Han Pingtian
> > Quality Engineer
> > hpt @ #kernel-qe
> > Red Hat, Inc
> > Freedom ... courage ... Commitment ... ACCOUNTABILITY
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
>
--
Han Pingtian
Quality Engineer
hpt @ #kernel-qe
Red Hat, Inc
Freedom ... courage ... Commitment ... ACCOUNTABILITY
next prev parent reply other threads:[~2011-03-02 8:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 4:23 perf archive warning Han Pingtian
[not found] ` <AANLkTim+Ls+_cbHnMzdfWAWUj0Wx2rQtnoTCjZJ8Cnro@mail.gmail.com>
2011-03-02 8:29 ` Lin Ming
2011-03-02 8:53 ` Han Pingtian [this message]
2011-03-03 0:38 ` Lin Ming
2011-03-03 4:21 ` Han Pingtian
2011-03-03 4:21 ` Lin Ming
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=20110302085355.GA9857@hpt.nay.redhat.com \
--to=phan@redhat.com \
--cc=acme@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=ming.m.lin@intel.com \
--cc=peterz@infradead.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).