All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jiri Olsa <jolsa@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"mingo@elte.hu" <mingo@elte.hu>,
	Namhyung Kim <namhyung@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [BUG] perf/script: segfault on simple command
Date: Thu, 6 Aug 2015 07:41:20 +0200	[thread overview]
Message-ID: <20150806054120.GA22038@krava.redhat.com> (raw)
In-Reply-To: <CABPqkBTur8JDh86ep-1Et0ygrS_1v5nqwi207sL6p1U9pcCcKQ@mail.gmail.com>

On Wed, Aug 05, 2015 at 03:40:32PM -0700, Stephane Eranian wrote:
> Hi Arnaldo, Jiri
> 
> Running this simple command from tip.git tree, I get:
> 
> 
> $ perf record ls
> 
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.011 MB perf.data (9 samples) ]
> 
> $ perf script
> Segmentation fault (core dumped)
> 
> $ gdb perf
> (gdb) r script
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x000000000050f98b in pevent_set_function_resolver (pevent=0x0,
> func=0x4b2f50 <machine__resolve_kernel_addr>, priv=0x180bf98) at
> event-parse.c:464
> 464 free(pevent->func_resolver);
> (gdb) bt
> #0  0x000000000050f98b in pevent_set_function_resolver (pevent=0x0,
> func=0x4b2f50 <machine__resolve_kernel_addr>, priv=0x180bf98) at
> event-parse.c:464
> #1  0x000000000043cf2a in cmd_script (argc=0, argv=0x7fffffffe320,
> prefix=<optimized out>) at builtin-script.c:1864
> #2  0x0000000000474025 in run_builtin (p=p@entry=0x77a810
> <commands+336>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe320) at
> perf.c:370
> #3  0x000000000041cb50 in handle_internal_command
> (argv=0x7fffffffe320, argc=1) at perf.c:429
> #4  run_argv (argv=0x7fffffffe0a0, argcp=0x7fffffffe0ac) at perf.c:473
> #5  main (argc=1, argv=0x7fffffffe320) at perf.c:588
> 
> Looks like something is fundamentally broken here.
> Do you know what?

hi,
yep, it should be already taken care of:
http://marc.info/?l=linux-kernel&m=143863009413104&w=2

jirka

  reply	other threads:[~2015-08-06  5:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-05 22:40 [BUG] perf/script: segfault on simple command Stephane Eranian
2015-08-06  5:41 ` Jiri Olsa [this message]
2015-08-06 14:28   ` Arnaldo Carvalho de Melo
2015-08-06 14:38     ` Arnaldo Carvalho de Melo

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=20150806054120.GA22038@krava.redhat.com \
    --to=jolsa@redhat.com \
    --cc=acme@redhat.com \
    --cc=adrian.hunter@intel.com \
    --cc=eranian@google.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=namhyung@kernel.org \
    --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 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.