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* [android-common:android13-5.10 2/2] include/trace/trace_events.h:27:23: warning: 'str__workqueue__trace_system_name' defined but not used
@ 2026-04-10 14:59 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-04-10 14:59 UTC (permalink / raw)
  To: cros-kernel-buildreports; +Cc: oe-kbuild-all

Hi Liujie,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android13-5.10
head:   eb6aecc316ce5257dffec033f0f6c3a75aff3774
commit: 8f3f46d77c8133ccce52e055a8b4b577699acc5f [2/2] ANDROID: vendor_hooks: Add hooks to recognize special worker thread.
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260410/202604102234.WEQVJcto-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260410/202604102234.WEQVJcto-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/202604102234.WEQVJcto-lkp@intel.com/

All warnings (new ones prefixed by >>):

         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/module.h:25,
                    from drivers/android/vendor_hooks.c:48:
   include/trace/trace_events.h:27:23: warning: 'str__module__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/creds.h:34,
                    from drivers/android/vendor_hooks.c:47:
   include/trace/trace_events.h:27:23: warning: 'str__creds__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/avc.h:33,
                    from drivers/android/vendor_hooks.c:46:
   include/trace/trace_events.h:27:23: warning: 'str__avc__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/traps.h:32,
                    from drivers/android/vendor_hooks.c:45:
   include/trace/trace_events.h:27:23: warning: 'str__traps__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/sys.h:17,
                    from drivers/android/vendor_hooks.c:44:
   include/trace/trace_events.h:27:23: warning: 'str__sys__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/workqueue.h:22,
                    from drivers/android/vendor_hooks.c:43:
>> include/trace/trace_events.h:27:23: warning: 'str__workqueue__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/cgroup.h:17,
                    from drivers/android/vendor_hooks.c:42:
   include/trace/trace_events.h:27:23: warning: 'str__cgroup__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/ufshcd.h:60,
                    from drivers/android/vendor_hooks.c:41:
   include/trace/trace_events.h:27:23: warning: 'str__ufshcd__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/thermal.h:19,
                    from drivers/android/vendor_hooks.c:40:
   include/trace/trace_events.h:27:23: warning: 'str__thermal__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/iommu.h:30,
                    from drivers/android/vendor_hooks.c:39:
   include/trace/trace_events.h:27:23: warning: 'str__iommu__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/fault.h:36,
                    from drivers/android/vendor_hooks.c:38:
   include/trace/trace_events.h:27:23: warning: 'str__fault__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \


vim +/str__workqueue__trace_system_name +27 include/trace/trace_events.h

acd388fd3af350a include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  26) 
acd388fd3af350a include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31 @27) #define __app__(x, y) str__##x##y
acd388fd3af350a include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  28) #define __app(x, y) __app__(x, y)
acd388fd3af350a include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  29) 

:::::: The code at line 27 was first introduced by commit
:::::: acd388fd3af350ab24c6ab6f19b83fc4a4f3aa60 tracing: Give system name a pointer

:::::: TO: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt <rostedt@goodmis.org>

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

^ permalink raw reply	[flat|nested] 2+ messages in thread

* [android-common:android13-5.10 2/2] include/trace/trace_events.h:27:23: warning: 'str__workqueue__trace_system_name' defined but not used
@ 2026-11-12 22:49 kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-11-12 22:49 UTC (permalink / raw)
  To: cros-kernel-buildreports; +Cc: oe-kbuild-all

Hi Liujie,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android13-5.10
head:   1fff066d713e51b675a78a9d50b68af5f108220d
commit: 8f3f46d77c8133ccce52e055a8b4b577699acc5f [2/2] ANDROID: vendor_hooks: Add hooks to recognize special worker thread.
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20261113/202611130616.HVCWxjJj-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/20261113/202611130616.HVCWxjJj-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/202611130616.HVCWxjJj-lkp@intel.com/

All warnings (new ones prefixed by >>):

         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/module.h:25,
                    from drivers/android/vendor_hooks.c:48:
   include/trace/trace_events.h:27:23: warning: 'str__module__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/creds.h:34,
                    from drivers/android/vendor_hooks.c:47:
   include/trace/trace_events.h:27:23: warning: 'str__creds__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/avc.h:33,
                    from drivers/android/vendor_hooks.c:46:
   include/trace/trace_events.h:27:23: warning: 'str__avc__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/traps.h:32,
                    from drivers/android/vendor_hooks.c:45:
   include/trace/trace_events.h:27:23: warning: 'str__traps__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/sys.h:17,
                    from drivers/android/vendor_hooks.c:44:
   include/trace/trace_events.h:27:23: warning: 'str__sys__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/workqueue.h:22,
                    from drivers/android/vendor_hooks.c:43:
>> include/trace/trace_events.h:27:23: warning: 'str__workqueue__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/cgroup.h:17,
                    from drivers/android/vendor_hooks.c:42:
   include/trace/trace_events.h:27:23: warning: 'str__cgroup__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/ufshcd.h:60,
                    from drivers/android/vendor_hooks.c:41:
   include/trace/trace_events.h:27:23: warning: 'str__ufshcd__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/thermal.h:19,
                    from drivers/android/vendor_hooks.c:40:
   include/trace/trace_events.h:27:23: warning: 'str__thermal__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/iommu.h:30,
                    from drivers/android/vendor_hooks.c:39:
   include/trace/trace_events.h:27:23: warning: 'str__iommu__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \
         |                           ^~~~~~~~~~~~~~~~~~~
   include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
      36 | TRACE_MAKE_SYSTEM_STR();
         | ^~~~~~~~~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:102,
                    from include/trace/hooks/fault.h:36,
                    from drivers/android/vendor_hooks.c:38:
   include/trace/trace_events.h:27:23: warning: 'str__fault__trace_system_name' defined but not used [-Wunused-const-variable=]
      27 | #define __app__(x, y) str__##x##y
         |                       ^~~~~
   include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
      28 | #define __app(x, y) __app__(x, y)
         |                     ^~~~~~~
   include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
      30 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
         |                             ^~~~~
   include/trace/trace_events.h:33:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
      33 |         static const char TRACE_SYSTEM_STRING[] =       \


vim +/str__workqueue__trace_system_name +27 include/trace/trace_events.h

acd388fd3af350 include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  26) 
acd388fd3af350 include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31 @27) #define __app__(x, y) str__##x##y
acd388fd3af350 include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  28) #define __app(x, y) __app__(x, y)
acd388fd3af350 include/trace/ftrace.h Steven Rostedt (Red Hat  2015-03-31  29) 

:::::: The code at line 27 was first introduced by commit
:::::: acd388fd3af350ab24c6ab6f19b83fc4a4f3aa60 tracing: Give system name a pointer

:::::: TO: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt <rostedt@goodmis.org>

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

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