struct imc_pmu *pmu_ptr, int pmu_id);
extern void thread_imc_disable(void);
extern int get_max_nest_dev(void);
+extern void unregister_thread_imc(void);
#endif /* __ASM_POWERPC_IMC_PMU_H */
/* Thread IMC data structures and variables */
static DEFINE_PER_CPU(u64 *, thread_imc_mem);
+static struct imc_pmu *thread_imc_pmu;
static int thread_imc_mem_size;
struct imc_pmu *imc_event_to_pmu(struct perf_event *event)
}
}
+/*
+ * Function to unregister thread-imc if core-imc
+ * is not registered.
+ */
+void unregister_thread_imc(void)
+{
+ imc_common_cpuhp_mem_free(thread_imc_pmu);
+ imc_common_mem_free(thread_imc_pmu);
+ perf_pmu_unregister(&thread_imc_pmu->pmu);
+}
/*
* imc_mem_init : Function to support memory allocation for core imc.
}
}
+ thread_imc_pmu = pmu_ptr;
break;
default:
return -EINVAL;
{
struct device_node *imc_dev = pdev->dev.of_node;
int pmu_count = 0, domain;
+ bool core_imc_reg = false, thread_imc_reg = false;
u32 type;
/*
if (!imc_pmu_create(imc_dev, pmu_count, domain)) {
if (domain == IMC_DOMAIN_NEST)
pmu_count++;
+ if (domain == IMC_DOMAIN_CORE)
+ core_imc_reg = true;
+ if (domain == IMC_DOMAIN_THREAD)
+ thread_imc_reg = true;
}
}
if (pmu_count == 0)
debugfs_remove_recursive(imc_debugfs_parent);
+ /* If core imc is not registered, unregister thread-imc */
+ if (!core_imc_reg && thread_imc_reg)
+ unregister_thread_imc();
+
return 0;
}