Re: [PATCH v4 2/2] tracing: Add an option to show symbols in _text+offset for function profiler

[kernel test robot <lkp@intel.com>]

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 v6.18-rc1 next-20251017]
[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-Allow-tracer-to-add-more-than-32-options/20251018-004104
base:   https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next
patch link:    https://lore.kernel.org/r/176071775059.175601.3827350589430991963.stgit%40devnote2
patch subject: [PATCH v4 2/2] tracing: Add an option to show symbols in _text+offset for function profiler
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20251018/202510181934.DYd8mdHX-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/20251018/202510181934.DYd8mdHX-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510181934.DYd8mdHX-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/trace/trace_output.h:6,
                    from kernel/trace/ftrace.c:45:
>> kernel/trace/trace.h:1434:34: error: enumerator value outside the range of underlying type
    1434 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT)
         |                                  ^
   kernel/trace/trace.h:1369:17: note: in expansion of macro 'C'
    1369 |                 C(PROF_TEXT_OFFSET,     "prof-text-offset"),
         |                 ^
   kernel/trace/trace.h:1414:17: note: in expansion of macro 'PROFILER_FLAGS'
    1414 |                 PROFILER_FLAGS
         |                 ^~~~~~~~~~~~~~
   kernel/trace/trace.h:1436:40: note: in expansion of macro 'TRACE_FLAGS'
    1436 | enum trace_iterator_flags : uint64_t { TRACE_FLAGS };
         |                                        ^~~~~~~~~~~
--
   In file included from kernel/trace/trace_probe.h:31,
                    from kernel/trace/bpf_trace.c:35:
>> kernel/trace/trace.h:1434:34: error: enumerator value outside the range of underlying type
    1434 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT)
         |                                  ^
   kernel/trace/trace.h:1369:17: note: in expansion of macro 'C'
    1369 |                 C(PROF_TEXT_OFFSET,     "prof-text-offset"),
         |                 ^
   kernel/trace/trace.h:1414:17: note: in expansion of macro 'PROFILER_FLAGS'
    1414 |                 PROFILER_FLAGS
         |                 ^~~~~~~~~~~~~~
   kernel/trace/trace.h:1436:40: note: in expansion of macro 'TRACE_FLAGS'
    1436 | enum trace_iterator_flags : uint64_t { TRACE_FLAGS };
         |                                        ^~~~~~~~~~~
   kernel/trace/bpf_trace.c: In function '____bpf_trace_printk':
   kernel/trace/bpf_trace.c:378:9: warning: function '____bpf_trace_printk' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
     378 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
         |         ^~~
   kernel/trace/bpf_trace.c: In function '____bpf_trace_vprintk':
   kernel/trace/bpf_trace.c:434:9: warning: function '____bpf_trace_vprintk' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
     434 |         ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
         |         ^~~
   kernel/trace/bpf_trace.c: In function '____bpf_seq_printf':
   kernel/trace/bpf_trace.c:476:9: warning: function '____bpf_seq_printf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
     476 |         seq_bprintf(m, fmt, data.bin_args);
         |         ^~~~~~~~~~~
--
   In file included from kernel/trace/rv/rv.h:9,
                    from kernel/trace/rv/rv.c:151:
>> kernel/trace/rv/../trace.h:1434:34: error: enumerator value outside the range of underlying type
    1434 | #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT)
         |                                  ^
   kernel/trace/rv/../trace.h:1369:17: note: in expansion of macro 'C'
    1369 |                 C(PROF_TEXT_OFFSET,     "prof-text-offset"),
         |                 ^
   kernel/trace/rv/../trace.h:1414:17: note: in expansion of macro 'PROFILER_FLAGS'
    1414 |                 PROFILER_FLAGS
         |                 ^~~~~~~~~~~~~~
   kernel/trace/rv/../trace.h:1436:40: note: in expansion of macro 'TRACE_FLAGS'
    1436 | enum trace_iterator_flags : uint64_t { TRACE_FLAGS };
         |                                        ^~~~~~~~~~~


vim +1434 kernel/trace/trace.h

a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1428) 
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1429) /*
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1430)  * By redefining C, we can make TRACE_FLAGS a list of masks that
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1431)  * use the bits as defined above.
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1432)  */
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1433) #undef C
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29 @1434) #define C(a, b) TRACE_ITER_##a = (1 << TRACE_ITER_##a##_BIT)
a3418a364ec3c8 Steven Rostedt (Red Hat  2015-09-29  1435) 

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