linux-kernel - Re: [PATCH V2 3/3] tracing/timerlat: Add user-space interface

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Message-ID: <202305241531.5ItU2LLm-lkp@intel.com>
Date:   Wed, 24 May 2023 16:04:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Daniel Bristot de Oliveira <bristot@...nel.org>,
        linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     oe-kbuild-all@...ts.linux.dev, Juri Lelli <juri.lelli@...hat.com>,
        William White <chwhite@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH V2 3/3] tracing/timerlat: Add user-space interface

Hi Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.4-rc3 next-20230523]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Bristot-de-Oliveira/tracing-osnoise-Switch-from-PF_NO_SETAFFINITY-to-migrate_disable/20230524-012512
base:   linus/master
patch link:    https://lore.kernel.org/r/a7b2c215c763e95a56fa1258743332b570c81c9d.1684860626.git.bristot%40kernel.org
patch subject: [PATCH V2 3/3] tracing/timerlat: Add user-space interface
config: x86_64-randconfig-s022
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/89216b54eaf490480bc1929f5780f95a688a91bb
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daniel-Bristot-de-Oliveira/tracing-osnoise-Switch-from-PF_NO_SETAFFINITY-to-migrate_disable/20230524-012512
        git checkout 89216b54eaf490480bc1929f5780f95a688a91bb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/trace/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305241531.5ItU2LLm-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/trace/trace_osnoise.c:2645:5: sparse: sparse: symbol 'osnoise_create_cpu_timerlat_fd' was not declared. Should it be static?

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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