linux-kernel - Re: [PATCH 5/5] perf tools: Add dlfilter test

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Date:   Tue, 10 Aug 2021 15:32:45 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] perf tools: Add dlfilter test

Em Tue, Aug 10, 2021 at 02:48:13PM +0300, Adrian Hunter escreveu:
> Add a perf test to test the dlfilter C API.
> 
> A perf.data file is synthesized and then processed by perf script with a
> dlfilter named dlfilter-test-api-v0.so. Also a C file is compiled to
> provide a dso to match the synthesized perf.data file.

[root@...e ~]# perf test dlfilter
72: dlfilter C API                                                  : FAILED!
[root@...e ~]# perf test -v dlfilter
72: dlfilter C API                                                  :
--- start ---
test child forked, pid 3358542
Checking for gcc
Command: gcc --version
gcc (GCC) 11.1.1 20210531 (Red Hat 11.1.1-3)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

dlfilters path: /var/home/acme/libexec/perf-core/dlfilters
Command: gcc -g -o /tmp/dlfilter-test-3358542-prog /tmp/dlfilter-test-3358542-prog.c
Creating new host machine structure
Command: /var/home/acme/bin/perf script -i /tmp/dlfilter-test-3358542-perf-data --dlfilter /var/home/acme/libexec/perf-core/dlfilters/dlfilter-test-api-v0.so --dlarg first --dlarg 1 --dlarg 4198669 --dlarg 4198662 --dlarg 0 --dlarg last
Failed with return value 139
test child finished with -1
---- end ----
dlfilter C API: FAILED!
[root@...e ~]# cat /etc/redhat-release
Fedora release 34 (Thirty Four)
[root@...e ~]# cat /etc/os-release
NAME=Fedora
VERSION="34.20210721.0 (Silverblue)"
ID=fedora
VERSION_ID=34
VERSION_CODENAME=""
PLATFORM_ID="platform:f34"
PRETTY_NAME="Fedora 34.20210721.0 (Silverblue)"
ANSI_COLOR="0;38;2;60;110;180"
LOGO=fedora-logo-icon
CPE_NAME="cpe:/o:fedoraproject:fedora:34"
HOME_URL="https://fedoraproject.org/"
DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora-silverblue/"
SUPPORT_URL="https://fedoraproject.org/wiki/Communicating_and_getting_help"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=34
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=34
PRIVACY_POLICY_URL="https://fedoraproject.org/wiki/Legal:PrivacyPolicy"
VARIANT="Silverblue"
VARIANT_ID=silverblue
OSTREE_VERSION='34.20210721.0'
[root@...e ~]#

Trying to figure this out...

- Arnaldo