tree: https://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git ftrace/cleanup-hist-func-v6 head: 256da8e5e9f9c780ad20f13893ac356b9265f8f9 commit: 256da8e5e9f9c780ad20f13893ac356b9265f8f9 [6/6] tracing: Remove redundant trigger_ops params config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220110/202201101406.OGPbIpgd-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git/commit/?id=256da8e5e9f9c780ad20f13893ac356b9265f8f9 git remote add zanussi-trace https://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git git fetch --no-tags zanussi-trace ftrace/cleanup-hist-func-v6 git checkout 256da8e5e9f9c780ad20f13893ac356b9265f8f9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): kernel/trace/trace_events_hist.c: In function 'hist_trigger_debug_show': >> kernel/trace/trace_events_hist.c:5465:33: error: passing argument 2 of 'data->ops->print' from incompatible pointer type [-Werror=incompatible-pointer-types] 5465 | data->ops->print(m, data->ops, data); | ~~~~^~~~~ | | | struct event_trigger_ops * kernel/trace/trace_events_hist.c:5465:33: note: expected 'struct event_trigger_data *' but argument is of type 'struct event_trigger_ops *' >> kernel/trace/trace_events_hist.c:5465:9: error: too many arguments to function 'data->ops->print' 5465 | data->ops->print(m, data->ops, data); | ^~~~ cc1: some warnings being treated as errors vim +5465 kernel/trace/trace_events_hist.c 2d19bd79ae6509 Tom Zanussi 2020-04-03 5454 2d19bd79ae6509 Tom Zanussi 2020-04-03 5455 static void hist_trigger_debug_show(struct seq_file *m, 2d19bd79ae6509 Tom Zanussi 2020-04-03 5456 struct event_trigger_data *data, int n) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5457 { 2d19bd79ae6509 Tom Zanussi 2020-04-03 5458 struct hist_trigger_data *hist_data; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5459 int i, ret; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5460 2d19bd79ae6509 Tom Zanussi 2020-04-03 5461 if (n > 0) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5462 seq_puts(m, "\n\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5463 2d19bd79ae6509 Tom Zanussi 2020-04-03 5464 seq_puts(m, "# event histogram\n#\n# trigger info: "); 2d19bd79ae6509 Tom Zanussi 2020-04-03 @5465 data->ops->print(m, data->ops, data); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5466 seq_puts(m, "#\n\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5467 2d19bd79ae6509 Tom Zanussi 2020-04-03 5468 hist_data = data->private_data; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5469 2d19bd79ae6509 Tom Zanussi 2020-04-03 5470 seq_printf(m, "hist_data: %p\n\n", hist_data); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5471 seq_printf(m, " n_vals: %u\n", hist_data->n_vals); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5472 seq_printf(m, " n_keys: %u\n", hist_data->n_keys); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5473 seq_printf(m, " n_fields: %u\n", hist_data->n_fields); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5474 2d19bd79ae6509 Tom Zanussi 2020-04-03 5475 seq_puts(m, "\n val fields:\n\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5476 2d19bd79ae6509 Tom Zanussi 2020-04-03 5477 seq_puts(m, " hist_data->fields[0]:\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5478 ret = hist_field_debug_show(m, hist_data->fields[0], 2d19bd79ae6509 Tom Zanussi 2020-04-03 5479 HIST_FIELD_FL_HITCOUNT); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5480 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5481 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5482 2d19bd79ae6509 Tom Zanussi 2020-04-03 5483 for (i = 1; i < hist_data->n_vals; i++) { 2d19bd79ae6509 Tom Zanussi 2020-04-03 5484 seq_printf(m, "\n hist_data->fields[%d]:\n", i); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5485 ret = hist_field_debug_show(m, hist_data->fields[i], 0); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5486 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5487 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5488 } 2d19bd79ae6509 Tom Zanussi 2020-04-03 5489 2d19bd79ae6509 Tom Zanussi 2020-04-03 5490 seq_puts(m, "\n key fields:\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5491 2d19bd79ae6509 Tom Zanussi 2020-04-03 5492 for (i = hist_data->n_vals; i < hist_data->n_fields; i++) { 2d19bd79ae6509 Tom Zanussi 2020-04-03 5493 seq_printf(m, "\n hist_data->fields[%d]:\n", i); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5494 ret = hist_field_debug_show(m, hist_data->fields[i], 2d19bd79ae6509 Tom Zanussi 2020-04-03 5495 HIST_FIELD_FL_KEY); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5496 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5497 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5498 } 2d19bd79ae6509 Tom Zanussi 2020-04-03 5499 2d19bd79ae6509 Tom Zanussi 2020-04-03 5500 if (hist_data->n_var_refs) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5501 seq_puts(m, "\n variable reference fields:\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5502 2d19bd79ae6509 Tom Zanussi 2020-04-03 5503 for (i = 0; i < hist_data->n_var_refs; i++) { 2d19bd79ae6509 Tom Zanussi 2020-04-03 5504 seq_printf(m, "\n hist_data->var_refs[%d]:\n", i); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5505 ret = hist_field_debug_show(m, hist_data->var_refs[i], 2d19bd79ae6509 Tom Zanussi 2020-04-03 5506 HIST_FIELD_FL_VAR_REF); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5507 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5508 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5509 } 2d19bd79ae6509 Tom Zanussi 2020-04-03 5510 2d19bd79ae6509 Tom Zanussi 2020-04-03 5511 if (hist_data->n_field_vars) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5512 seq_puts(m, "\n field variables:\n"); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5513 2d19bd79ae6509 Tom Zanussi 2020-04-03 5514 for (i = 0; i < hist_data->n_field_vars; i++) { 2d19bd79ae6509 Tom Zanussi 2020-04-03 5515 ret = field_var_debug_show(m, hist_data->field_vars[i], i, false); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5516 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5517 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5518 } 2d19bd79ae6509 Tom Zanussi 2020-04-03 5519 2d19bd79ae6509 Tom Zanussi 2020-04-03 5520 ret = hist_actions_debug_show(m, hist_data); 2d19bd79ae6509 Tom Zanussi 2020-04-03 5521 if (ret) 2d19bd79ae6509 Tom Zanussi 2020-04-03 5522 return; 2d19bd79ae6509 Tom Zanussi 2020-04-03 5523 } 2d19bd79ae6509 Tom Zanussi 2020-04-03 5524 :::::: The code at line 5465 was first introduced by commit :::::: 2d19bd79ae6509858582a9cade739c2e9a4fdca8 tracing: Add hist_debug trace event files for histogram debugging :::::: TO: Tom Zanussi :::::: CC: Steven Rostedt (VMware) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org