Hi Steven, I love your patch! Perhaps something to improve: [auto build test WARNING on tip/perf/core] [also build test WARNING on linux/master linus/master v5.11-rc6 next-20210125] [cannot apply to hnaz-linux-mm/master] [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/0day-ci/linux/commits/Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210206-112501 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 32451614da2a9cf4296f90d3606ac77814fb519d config: arm64-randconfig-r033-20210206 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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/0day-ci/linux/commit/3fc399c60e990487bf5d0cd91406052c0db853df git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Steven-Rostedt/tracepoints-Do-not-punish-non-static-call-users/20210206-112501 git checkout 3fc399c60e990487bf5d0cd91406052c0db853df # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from block/blk-wbt.c:32: >> include/trace/events/wbt.h:15:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(wbt_stat, ^~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/wbt.h:15:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from block/blk-wbt.c:32: >> include/trace/events/wbt.h:15:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(wbt_stat, ^~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/wbt.h:15:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from block/blk-wbt.c:32: include/trace/events/wbt.h:59:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(wbt_lat, ^~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/wbt.h:59:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from block/blk-wbt.c:32: include/trace/events/wbt.h:59:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(wbt_lat, ^~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/wbt.h:59:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ -- In file included from drivers/dma/tegra20-apb-dma.c:32: >> include/trace/events/tegra_apb_dma.h:10:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(tegra_dma_tx_status, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/tegra_apb_dma.h:10:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/dma/tegra20-apb-dma.c:32: >> include/trace/events/tegra_apb_dma.h:10:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(tegra_dma_tx_status, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/tegra_apb_dma.h:10:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/dma/tegra20-apb-dma.c:32: include/trace/events/tegra_apb_dma.h:27:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(tegra_dma_complete_cb, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/tegra_apb_dma.h:27:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/dma/tegra20-apb-dma.c:32: include/trace/events/tegra_apb_dma.h:27:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(tegra_dma_complete_cb, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/tegra_apb_dma.h:27:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ -- In file included from drivers/target/target_core_transport.c:41: >> include/trace/events/target.h:132:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(target_sequencer_start, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/target.h:132:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/target/target_core_transport.c:41: >> include/trace/events/target.h:132:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(target_sequencer_start, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/target.h:132:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:254:2: note: expanded from macro '__DECLARE_TRACE' __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:216:4: note: expanded from macro '__DECLARE_TRACE_RCU' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/target/target_core_transport.c:41: include/trace/events/target.h:169:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(target_cmd_complete, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/target.h:169:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ include/linux/tracepoint.h:414:2: note: expanded from macro 'DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^ include/linux/tracepoint.h:244:4: note: expanded from macro '__DECLARE_TRACE' __DO_TRACE(name, \ ^ include/linux/tracepoint.h:181:3: note: expanded from macro '__DO_TRACE' void __maybe_unused *__data; \ ^ In file included from drivers/target/target_core_transport.c:41: include/trace/events/target.h:169:1: warning: variable '__data' is uninitialized when used here [-Wuninitialized] TRACE_EVENT(target_cmd_complete, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/tracepoint.h:417:11: note: expanded from macro 'DECLARE_TRACE' PARAMS(__data, args)) ^~~~~~ include/linux/tracepoint.h:97:25: note: expanded from macro 'PARAMS' #define PARAMS(args...) args ^~~~ note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/tracepoint.h:201:33: note: expanded from macro '__DO_TRACE' __DO_TRACE_CALL(name, TP_ARGS(args)); \ ^~~~ include/linux/tracepoint.h:138:26: note: expanded from macro 'TP_ARGS' #define TP_ARGS(args...) args ^~~~ include/linux/tracepoint.h:166:56: note: expanded from macro '__DO_TRACE_CALL' #define __DO_TRACE_CALL(name, args) __traceiter_##name(args) ^~~~ include/trace/events/target.h:169:1: note: variable '__data' is declared here include/linux/tracepoint.h:550:2: note: expanded from macro 'TRACE_EVENT' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^ .. vim +/__data +15 include/trace/events/wbt.h e34cbd307477ae Jens Axboe 2016-11-09 10 e34cbd307477ae Jens Axboe 2016-11-09 11 /** e34cbd307477ae Jens Axboe 2016-11-09 12 * wbt_stat - trace stats for blk_wb e34cbd307477ae Jens Axboe 2016-11-09 13 * @stat: array of read/write stats e34cbd307477ae Jens Axboe 2016-11-09 14 */ e34cbd307477ae Jens Axboe 2016-11-09 @15 TRACE_EVENT(wbt_stat, e34cbd307477ae Jens Axboe 2016-11-09 16 e34cbd307477ae Jens Axboe 2016-11-09 17 TP_PROTO(struct backing_dev_info *bdi, struct blk_rq_stat *stat), e34cbd307477ae Jens Axboe 2016-11-09 18 e34cbd307477ae Jens Axboe 2016-11-09 19 TP_ARGS(bdi, stat), e34cbd307477ae Jens Axboe 2016-11-09 20 e34cbd307477ae Jens Axboe 2016-11-09 21 TP_STRUCT__entry( e34cbd307477ae Jens Axboe 2016-11-09 22 __array(char, name, 32) e34cbd307477ae Jens Axboe 2016-11-09 23 __field(s64, rmean) e34cbd307477ae Jens Axboe 2016-11-09 24 __field(u64, rmin) e34cbd307477ae Jens Axboe 2016-11-09 25 __field(u64, rmax) e34cbd307477ae Jens Axboe 2016-11-09 26 __field(s64, rnr_samples) e34cbd307477ae Jens Axboe 2016-11-09 27 __field(s64, rtime) e34cbd307477ae Jens Axboe 2016-11-09 28 __field(s64, wmean) e34cbd307477ae Jens Axboe 2016-11-09 29 __field(u64, wmin) e34cbd307477ae Jens Axboe 2016-11-09 30 __field(u64, wmax) e34cbd307477ae Jens Axboe 2016-11-09 31 __field(s64, wnr_samples) e34cbd307477ae Jens Axboe 2016-11-09 32 __field(s64, wtime) e34cbd307477ae Jens Axboe 2016-11-09 33 ), e34cbd307477ae Jens Axboe 2016-11-09 34 e34cbd307477ae Jens Axboe 2016-11-09 35 TP_fast_assign( d51cfc53ade318 Yufen Yu 2020-05-04 36 strlcpy(__entry->name, bdi_dev_name(bdi), 1d200e9d6f635a Bart Van Assche 2019-09-30 37 ARRAY_SIZE(__entry->name)); e34cbd307477ae Jens Axboe 2016-11-09 38 __entry->rmean = stat[0].mean; e34cbd307477ae Jens Axboe 2016-11-09 39 __entry->rmin = stat[0].min; e34cbd307477ae Jens Axboe 2016-11-09 40 __entry->rmax = stat[0].max; e34cbd307477ae Jens Axboe 2016-11-09 41 __entry->rnr_samples = stat[0].nr_samples; e34cbd307477ae Jens Axboe 2016-11-09 42 __entry->wmean = stat[1].mean; e34cbd307477ae Jens Axboe 2016-11-09 43 __entry->wmin = stat[1].min; e34cbd307477ae Jens Axboe 2016-11-09 44 __entry->wmax = stat[1].max; e34cbd307477ae Jens Axboe 2016-11-09 45 __entry->wnr_samples = stat[1].nr_samples; e34cbd307477ae Jens Axboe 2016-11-09 46 ), e34cbd307477ae Jens Axboe 2016-11-09 47 e34cbd307477ae Jens Axboe 2016-11-09 48 TP_printk("%s: rmean=%llu, rmin=%llu, rmax=%llu, rsamples=%llu, " 3f22037d382b45 Tommi Rantala 2020-04-17 49 "wmean=%llu, wmin=%llu, wmax=%llu, wsamples=%llu", e34cbd307477ae Jens Axboe 2016-11-09 50 __entry->name, __entry->rmean, __entry->rmin, __entry->rmax, e34cbd307477ae Jens Axboe 2016-11-09 51 __entry->rnr_samples, __entry->wmean, __entry->wmin, e34cbd307477ae Jens Axboe 2016-11-09 52 __entry->wmax, __entry->wnr_samples) e34cbd307477ae Jens Axboe 2016-11-09 53 ); e34cbd307477ae Jens Axboe 2016-11-09 54 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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