Re: [PATCH] tracing: Add an option to show symbols in _text+offset for function profiler

On Sat, 20 Sep 2025 01:09:52 +0800
kernel test robot [off-list ref] wrote:

Hi Masami,

kernel test robot noticed the following build errors:

[auto build test ERROR on trace/for-next]
[also build test ERROR on linus/master v6.17-rc6 next-20250918]
[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/Masami-Hiramatsu-Google/tracing-Add-an-option-to-show-symbols-in-_text-offset-for-function-profiler/20250919-135733
base:   https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next
patch link:    https://lore.kernel.org/r/175826135058.101165.7219957344129610147.stgit%40devnote2
patch subject: [PATCH] tracing: Add an option to show symbols in _text+offset for function profiler
config: x86_64-buildonly-randconfig-002-20250919 (https://download.01.org/0day-ci/archive/20250920/202509200000.EJ4InVti-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250920/202509200000.EJ4InVti-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202509200000.EJ4InVti-lkp@intel.com/ (local)

All error/warnings (new ones prefixed by >>):

   In file included from kernel/trace/trace_sched_switch.c:15:

quoted

quoted

kernel/trace/trace.h:1422:37: warning: left shift count >= width of type [-Wshift-count-overflow]  

    1422 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT)
         |                                     ^~

Ouch! We need to make the option enum64 now!

-- Steve