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] [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: arm64-randconfig-r005-20220703 compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f553287b588916de09c66e3e32bf75e5060f967f) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # 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=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/usb/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:94: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: type name requires a specifier or qualifier __vstring(msg, vaf->fmt, vaf->va), ^ >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected member name or ';' after declaration specifiers drivers/usb/mtu3/./mtu3_trace.h:23:1: error: expected member name or ';' after declaration specifiers TRACE_EVENT(mtu3_log, ^ include/trace/trace_events.h:40:2: note: expanded from macro 'TRACE_EVENT' DECLARE_EVENT_CLASS(name, \ ^ include/trace/trace_events.h:55:3: note: expanded from macro 'DECLARE_EVENT_CLASS' char __data[]; \ ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:94: >> drivers/usb/mtu3/./mtu3_trace.h:23:1: error: expected ';' at end of declaration list include/trace/trace_events.h:40:2: note: expanded from macro 'TRACE_EVENT' DECLARE_EVENT_CLASS(name, \ ^ include/trace/trace_events.h:55:3: note: expanded from macro 'DECLARE_EVENT_CLASS' char __data[]; \ ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:132: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: type name requires a specifier or qualifier __vstring(msg, vaf->fmt, vaf->va), ^ >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected member name or ';' after declaration specifiers drivers/usb/mtu3/./mtu3_trace.h:23:1: error: expected member name or ';' after declaration specifiers TRACE_EVENT(mtu3_log, ^ include/trace/trace_events.h:40:2: note: expanded from macro 'TRACE_EVENT' DECLARE_EVENT_CLASS(name, \ ^ include/trace/trace_events.h:117:10: note: expanded from macro 'DECLARE_EVENT_CLASS' tstruct; \ ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:250: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected expression __vstring(msg, vaf->fmt, vaf->va), ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:268: >> drivers/usb/mtu3/./mtu3_trace.h:27:3: error: no member named '__data' in 'trace_event_raw_mtu3_log' __string(name, dev_name(dev)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:36:29: note: expanded from macro '__string' #define __string(item, src) __dynamic_array(char, item, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:31:11: note: expanded from macro '__dynamic_array' offsetof(typeof(*entry), __data); \ ^ ~~~~~~ include/linux/stddef.h:16:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) ^ ~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/trace/trace_events.h:43:16: note: expanded from macro 'TRACE_EVENT' PARAMS(tstruct), \ ^~~~~~~ include/linux/tracepoint.h:107:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ include/trace/trace_events.h:263:2: note: expanded from macro 'DECLARE_EVENT_CLASS' tstruct; \ ^~~~~~~ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:268: drivers/usb/mtu3/./mtu3_trace.h:28:3: error: no member named '__data' in 'trace_event_raw_mtu3_log' __vstring(msg, vaf->fmt, vaf->va), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:43:34: note: expanded from macro '__vstring' #define __vstring(item, fmt, ap) __dynamic_array(char, item, \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/trace/stages/stage5_get_offsets.h:31:11: note: expanded from macro '__dynamic_array' offsetof(typeof(*entry), __data); \ ^ ~~~~~~ include/linux/stddef.h:16:32: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) ^ ~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/trace/trace_events.h:43:16: note: expanded from macro 'TRACE_EVENT' PARAMS(tstruct), \ ^~~~~~~ include/linux/tracepoint.h:107:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ include/trace/trace_events.h:263:2: note: expanded from macro 'DECLARE_EVENT_CLASS' tstruct; \ ^~~~~~~ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:268: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected expression __vstring(msg, vaf->fmt, vaf->va), ^ drivers/usb/mtu3/./mtu3_trace.h:23:1: error: expected expression TRACE_EVENT(mtu3_log, ^ include/trace/trace_events.h:40:2: note: expanded from macro 'TRACE_EVENT' DECLARE_EVENT_CLASS(name, \ ^ include/trace/trace_events.h:263:9: note: expanded from macro 'DECLARE_EVENT_CLASS' tstruct; \ ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:419: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected expression __vstring(msg, vaf->fmt, vaf->va), ^ In file included from drivers/usb/mtu3/mtu3_trace.c:12: In file included from drivers/usb/mtu3/./mtu3_trace.h:279: In file included from include/trace/define_trace.h:103: In file included from include/trace/perf.h:113: >> drivers/usb/mtu3/./mtu3_trace.h:28:36: error: expected expression __vstring(msg, vaf->fmt, vaf->va), ^ 14 errors generated. 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