Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
From:   Stephane Eranian <eranian@google.com>
Date:   Fri, 2 Aug 2019 09:38:49 -0700
Message-ID: <CABPqkBQtnYM6E2F3JiZ2A5z8iR+MvxM5DH4L6KyAeSaBfnGEPw@mail.gmail.com>
Subject: [BUG] perf report: segfault with --no-group in pipe mode
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     Jiri Olsa <jolsa@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi,

When trying the following command line with perf from tip,git, I got:

$ perf record --group -c 100000 -e '{branch-misses,branches}' -a -o -
sleep 1| perf report --no-group -F sample,cpu,period -i -
# To display the perf.data header info, please use
--header/--header-only options.
#
Segmentation fault (core dumped)

(gdb) r report --no-group -F sample,cpu,period -i - < tt
Starting program: /export/hda3/perftest/perf.tip report --no-group -F
sample,cpu,period -i - < tt
# To display the perf.data header info, please use
--header/--header-only options.
#

Program received signal SIGSEGV, Segmentation fault.
hlist_add_head (h=0xeb9ed8, n=0xebdfd0) at
/usr/local/google/home/eranian/G/bnw.tip/tools/include/linux/list.h:644
644 /usr/local/google/home/eranian/G/bnw.tip/tools/include/linux/list.h:
No such file or directory.
(gdb)

Can you reproduce this?
Thanks.