!1007 perf: hns3: add event suppport for ROH and default use hardware event 0 as group leader event

Merge Pull Request from: @svishen 
 
This pull request add ROH event and default use hardware event 0 as group leader event

(1)perf: hns3: add event suppport for ROH
(2)perf: hns3: default use hardware event 0 as group leader event

issue:
https://gitee.com/openeuler/kernel/issues/I7BY7T 
 
Link:https://gitee.com/openeuler/kernel/pulls/1007 

Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> 

drivers/perf/hisilicon/hns3_pmu.c

@@ -223,6 +223,8 @@ static enum cpuhp_state hns3_pmu_online;
 /* interrupt rate events */
 #define HNS3_PMU_EVT_PPS_MSIX_NIC_INTR_NUM		0x00300
 #define HNS3_PMU_EVT_PPS_MSIX_NIC_TIME			0x10300
+#define HNS3_PMU_EVT_PPS_MSIX_ROH_INTR_NUM		0x00301
+#define HNS3_PMU_EVT_PPS_MSIX_ROH_TIME			0x10301
 
 /* filter mode supported by each bandwidth event */
 #define HNS3_PMU_FILTER_BW_SSU_EGU		0x07
@@ -286,6 +288,7 @@ static enum cpuhp_state hns3_pmu_online;
 
 /* filter mode supported by each interrupt rate event */
 #define HNS3_PMU_FILTER_INTR_MSIX_NIC		0x01
+#define HNS3_PMU_FILTER_INTR_MSIX_ROH		0x01
 
 enum hns3_pmu_hw_filter_mode {
 	HNS3_PMU_HW_FILTER_GLOBAL,
@@ -580,6 +583,7 @@ static struct attribute *hns3_pmu_events_attr[] = {
 
 	/* interrupt rate events */
 	HNS3_PMU_INTR_EVT_PAIR(pps_intr_msix_nic, MSIX_NIC),
+	HNS3_PMU_INTR_EVT_PAIR(pps_intr_msix_roh, MSIX_ROH),
 
 	NULL
 };
@@ -647,6 +651,7 @@ static struct attribute *hns3_pmu_filter_mode_attr[] = {
 
 	/* interrupt rate events */
 	HNS3_PMU_INTR_FLT_MODE_PAIR(pps_intr_msix_nic, MSIX_NIC),
+	HNS3_PMU_INTR_FLT_MODE_PAIR(pps_intr_msix_roh, MSIX_ROH),
 
 	NULL
 };
@@ -799,9 +804,11 @@ static int hns3_pmu_find_related_event_idx(struct hns3_pmu *hns3_pmu,
 		if (!hns3_pmu_cmp_event(sibling, event))
 			continue;
 
-		/* Related events is used in group */
+		/* Related events is used in group, else we use index 0 event as related event */
 		if (sibling->group_leader == event->group_leader)
 			return idx;
+		else
+			return 0;
 	}
 
 	/* No related event and all hardware events are used up */