lbr_callstack_users 347 arch/x86/events/intel/lbr.c if (task_ctx->lbr_callstack_users == 0 || lbr_callstack_users 395 arch/x86/events/intel/lbr.c if (task_ctx->lbr_callstack_users == 0) { lbr_callstack_users 469 arch/x86/events/intel/lbr.c task_ctx->lbr_callstack_users++; lbr_callstack_users 509 arch/x86/events/intel/lbr.c task_ctx->lbr_callstack_users--; lbr_callstack_users 716 arch/x86/events/perf_event.h int lbr_callstack_users;