Hi Levi, kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master] [also build test ERROR on v6.11-rc7 next-20240912] [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/Levi-Yun/trace-trace_event_perf-remove-duplicate-samples-on-the-first-tracepoint-event/20240911-202917 base: linus/master patch link: https://lore.kernel.org/r/20240911122747.4168556-1-yeoreum.yun%40arm.com patch subject: [PATCH] trace/trace_event_perf: remove duplicate samples on the first tracepoint event config: sparc64-defconfig (https://download.01.org/0day-ci/archive/20240912/202409122013.3pmfmv8d-...@intel.com/config) compiler: sparc64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240912/202409122013.3pmfmv8d-...@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202409122013.3pmfmv8d-...@intel.com/ All errors (new ones prefixed by >>): kernel/trace/trace_event_perf.c: In function 'perf_trace_add': >> kernel/trace/trace_event_perf.c:360:31: error: 'event' undeclared (first use >> in this function); did you mean 'p_event'? 360 | if (is_sampling_event(event)) { | ^~~~~ | p_event kernel/trace/trace_event_perf.c:360:31: note: each undeclared identifier is reported only once for each function it appears in vim +360 kernel/trace/trace_event_perf.c 351 352 int perf_trace_add(struct perf_event *p_event, int flags) 353 { 354 struct trace_event_call *tp_event = p_event->tp_event; 355 struct hw_perf_event *hwc = &p_event->hw; 356 357 if (!(flags & PERF_EF_START)) 358 p_event->hw.state = PERF_HES_STOPPED; 359 > 360 if (is_sampling_event(event)) { 361 hwc->last_period = hwc->sample_period; 362 perf_swevent_set_period(p_event); 363 } 364 365 /* 366 * If TRACE_REG_PERF_ADD returns false; no custom action was performed 367 * and we need to take the default action of enqueueing our event on 368 * the right per-cpu hlist. 369 */ 370 if (!tp_event->class->reg(tp_event, TRACE_REG_PERF_ADD, p_event)) { 371 struct hlist_head __percpu *pcpu_list; 372 struct hlist_head *list; 373 374 pcpu_list = tp_event->perf_events; 375 if (WARN_ON_ONCE(!pcpu_list)) 376 return -EINVAL; 377 378 list = this_cpu_ptr(pcpu_list); 379 hlist_add_head_rcu(&p_event->hlist_entry, list); 380 } 381 382 return 0; 383 } 384 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
