Hi Steven, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.3-rc5 next-20230404] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tracing-Have-tracing_snapshot_instance_cond-write-errors-to-the-appropriate-instance/20230405-070406 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230404230308.501833715%40goodmis.org patch subject: [PATCH 2/2] tracing: Fix ftrace_boot_snapshot command line logic config: arc-buildonly-randconfig-r003-20230403 (https://download.01.org/0day-ci/archive/20230405/202304051001.dL3Fvaxd-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 12.1.0 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/ac5e916ec8d65b5e0c13719694efd3084105f416 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Steven-Rostedt/tracing-Have-tracing_snapshot_instance_cond-write-errors-to-the-appropriate-instance/20230405-070406 git checkout ac5e916ec8d65b5e0c13719694efd3084105f416 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash kernel/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304051001.dL3Fvaxd-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/trace/trace.c: In function 'ftrace_boot_snapshot': >> kernel/trace/trace.c:10402:24: error: 'struct trace_array' has no member named 'allocated_snapshot' 10402 | if (!tr->allocated_snapshot) | ^~ vim +10402 kernel/trace/trace.c 10393 10394 void __init ftrace_boot_snapshot(void) 10395 { 10396 struct trace_array *tr; 10397 10398 if (!snapshot_at_boot) 10399 return; 10400 10401 list_for_each_entry(tr, &ftrace_trace_arrays, list) { 10402 if (!tr->allocated_snapshot) 10403 continue; 10404 10405 tracing_snapshot_instance(tr); 10406 trace_array_puts(tr, "** Boot snapshot taken **\n"); 10407 } 10408 } 10409 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests