Hi Steven, Thank you for the patch! Yet something to improve: [auto build test ERROR on rostedt-trace/for-next] [also build test ERROR on wireless-next/main wireless/main linus/master v5.19-rc5 next-20220705] [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] url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tracing-events-Add-__vstring-and-__assign_vstr-helpers/20220706-065125 base: https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git for-next config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220706/202207061812.KyUeiLeY-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/829b320ff9db68465d88e10181df019fffb775db git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Steven-Rostedt/tracing-events-Add-__vstring-and-__assign_vstr-helpers/20220706-065125 git checkout 829b320ff9db68465d88e10181df019fffb775db # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/trace/define_trace.h:102, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected specifier-qualifier-list before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:54:17: note: in definition of macro 'DECLARE_EVENT_CLASS' 54 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected specifier-qualifier-list before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:117:17: note: in definition of macro 'DECLARE_EVENT_CLASS' 117 | tstruct; \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected expression before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:244:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 244 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: drivers/usb/mtu3/./mtu3_trace.h: In function 'trace_event_get_offsets_mtu3_log': >> include/linux/stddef.h:16:33: error: 'struct trace_event_raw_mtu3_log' has no member named '__data' 16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) | ^~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:263:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 263 | tstruct; \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:31:32: note: in expansion of macro 'offsetof' 31 | offsetof(typeof(*entry), __data); \ | ^~~~~~~~ include/trace/stages/stage5_get_offsets.h:36:29: note: in expansion of macro '__dynamic_array' 36 | #define __string(item, src) __dynamic_array(char, item, \ | ^~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:27:17: note: in expansion of macro '__string' 27 | __string(name, dev_name(dev)) | ^~~~~~~~ >> include/linux/stddef.h:16:33: error: 'struct trace_event_raw_mtu3_log' has no member named '__data' 16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) | ^~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:263:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 263 | tstruct; \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:31:32: note: in expansion of macro 'offsetof' 31 | offsetof(typeof(*entry), __data); \ | ^~~~~~~~ include/trace/stages/stage5_get_offsets.h:43:34: note: in expansion of macro '__dynamic_array' 43 | #define __vstring(item, fmt, ap) __dynamic_array(char, item, \ | ^~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:28:17: note: in expansion of macro '__vstring' 28 | __vstring(msg, vaf->fmt, vaf->va), | ^~~~~~~~~ >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected expression before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:263:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 263 | tstruct; \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:28:50: warning: left-hand operand of comma expression has no effect [-Wunused-value] 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:263:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 263 | tstruct; \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: drivers/usb/mtu3/./mtu3_trace.h: In function 'trace_event_raw_event_mtu3_log': >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected expression before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:400:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 400 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:28:50: warning: left-hand operand of comma expression has no effect [-Wunused-value] 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/trace_events.h:400:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 400 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:103, from drivers/usb/mtu3/mtu3_trace.h:279, from drivers/usb/mtu3/mtu3_trace.c:12: drivers/usb/mtu3/./mtu3_trace.h: In function 'perf_trace_mtu3_log': >> drivers/usb/mtu3/./mtu3_trace.h:28:50: error: expected expression before ',' token 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/perf.h:87:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 87 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:28:50: warning: left-hand operand of comma expression has no effect [-Wunused-value] 28 | __vstring(msg, vaf->fmt, vaf->va), | ^ include/trace/perf.h:87:9: note: in definition of macro 'DECLARE_EVENT_CLASS' 87 | tstruct \ | ^~~~~~~ include/trace/trace_events.h:43:30: note: in expansion of macro 'PARAMS' 43 | PARAMS(tstruct), \ | ^~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:26:9: note: in expansion of macro 'TP_STRUCT__entry' 26 | TP_STRUCT__entry( | ^~~~~~~~~~~~~~~~ include/trace/perf.h:62:13: warning: unused variable '__count' [-Wunused-variable] 62 | u64 __count = 1; \ | ^~~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ drivers/usb/mtu3/./mtu3_trace.h:23:1: note: in expansion of macro 'TRACE_EVENT' 23 | TRACE_EVENT(mtu3_log, | ^~~~~~~~~~~ vim +28 drivers/usb/mtu3/./mtu3_trace.h 22 23 TRACE_EVENT(mtu3_log, 24 TP_PROTO(struct device *dev, struct va_format *vaf), 25 TP_ARGS(dev, vaf), 26 TP_STRUCT__entry( 27 __string(name, dev_name(dev)) > 28 __vstring(msg, vaf->fmt, vaf->va), 29 ), 30 TP_fast_assign( 31 __assign_str(name, dev_name(dev)); 32 __assign_vstr(msg, vaf->fmt, vaf->va); 33 ), 34 TP_printk("%s: %s", __get_str(name), __get_str(msg)) 35 ); 36 -- 0-DAY CI Kernel Test Service https://01.org/lkp