On Sat, 3 Nov 2018, Thomas Gleixner wrote: > On Fri, 2 Nov 2018, Long Li wrote: > > /** > > * irq_matrix_assign_system - Assign system wide entry in the matrix > > * @m: Matrix pointer > > @@ -269,7 +291,7 @@ int irq_matrix_alloc_managed(struct irq_matrix *m, > > const struct cpumask *msk, > > if (cpumask_empty(msk)) > > return -EINVAL; > > > > - cpu = matrix_find_best_cpu(m, msk); > > + cpu = matrix_find_best_cpu_managed(m, msk); > > if (cpu == UINT_MAX) > > return -ENOSPC; > > > > @@ -282,6 +304,7 @@ int irq_matrix_alloc_managed(struct irq_matrix *m, > > const struct cpumask *msk, > > return -ENOSPC; > > set_bit(bit, cm->alloc_map); > > cm->allocated++; > > + cm->managed_allocated++; > > m->total_allocated++; > > *mapped_cpu = cpu; > > trace_irq_matrix_alloc_managed(bit, cpu, m, cm); > > so far so good. But what exactly decrements managed_allocated ?
Another thing. If we add that counter, then it would be good to expose it in the debugfs files as well. Thanks, tglx