* [android-common:android14-5.15-2026-01 2/2] include/trace/trace_events.h:27:23: warning: 'str__delayacct__trace_system_name' defined but not used
@ 2026-08-15 12:54 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-15 12:54 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Dongyun,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android14-5.15-2026-01
head: 9ec15dfb25fd3b1383c343c4d7e2d8d92a5635dc
commit: 896cff873452d9a3853c489bb2a173a1e290ca95 [2/2] ANDROID: Add vendor_hooks to workaround CONFIG_TASK_DELAY_ACCT
config: arm64-randconfig-004-20260813 (https://download.01.org/0day-ci/archive/20260815/202608152049.TPkpLNvT-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260815/202608152049.TPkpLNvT-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/202608152049.TPkpLNvT-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/trace/define_trace.h:102,
from include/trace/hooks/delayacct.h:65,
from drivers/android/vendor_hooks.c:79:
>> include/trace/trace_events.h:27:23: warning: 'str__delayacct__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/user.h:21,
from drivers/android/vendor_hooks.c:78:
include/trace/trace_events.h:27:23: warning: 'str__user__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/sound.h:18,
from drivers/android/vendor_hooks.c:77:
include/trace/trace_events.h:27:23: warning: 'str__sound__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/typec.h:59,
from drivers/android/vendor_hooks.c:76:
include/trace/trace_events.h:27:23: warning: 'str__typec__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/suspend.h:26,
from drivers/android/vendor_hooks.c:75:
include/trace/trace_events.h:27:23: warning: 'str__suspend__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/signal.h:20,
from drivers/android/vendor_hooks.c:74:
include/trace/trace_events.h:27:23: warning: 'str__signal__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[] = \
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for WIRELESS_EXT
Depends on [n]: NET [=n] && WIRELESS [=n]
Selected by [y]:
- GKI_LEGACY_WEXT_ALLCONFIG [=y]
WARNING: unmet direct dependencies detected for WEXT_CORE
Depends on [n]: NET [=n] && WIRELESS [=n] && (CFG80211_WEXT [=n] || WIRELESS_EXT [=y])
Selected by [y]:
- GKI_LEGACY_WEXT_ALLCONFIG [=y]
WARNING: unmet direct dependencies detected for NET_PTP_CLASSIFY
Depends on [n]: NET [=n]
Selected by [y]:
- GKI_HIDDEN_NET_CONFIGS [=y]
WARNING: unmet direct dependencies detected for WEXT_PROC
Depends on [n]: NET [=n] && WIRELESS [=n] && PROC_FS [=y] && WEXT_CORE [=y]
Selected by [y]:
- GKI_LEGACY_WEXT_ALLCONFIG [=y]
WARNING: unmet direct dependencies detected for WEXT_PRIV
Depends on [n]: NET [=n] && WIRELESS [=n]
Selected by [y]:
- GKI_LEGACY_WEXT_ALLCONFIG [=y]
WARNING: unmet direct dependencies detected for PAGE_POOL
Depends on [n]: NET [=n]
Selected by [y]:
- GKI_HIDDEN_NET_CONFIGS [=y]
WARNING: unmet direct dependencies detected for WEXT_SPY
Depends on [n]: NET [=n] && WIRELESS [=n]
Selected by [y]:
- GKI_LEGACY_WEXT_ALLCONFIG [=y]
vim +/str__delayacct__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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2026-08-15 12:54 [android-common:android14-5.15-2026-01 2/2] include/trace/trace_events.h:27:23: warning: 'str__delayacct__trace_system_name' defined but not used kernel test robot
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