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[PATCH] hw/nvme: add trace events for ioeventfd
From: |
Klaus Jensen |
Subject: |
[PATCH] hw/nvme: add trace events for ioeventfd |
Date: |
Thu, 14 Jul 2022 07:34:44 +0200 |
From: Klaus Jensen <k.jensen@samsung.com>
While testing Jinhaos ioeventfd patch I found it useful with a couple of
additional trace events since we no longer see the mmio events.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
hw/nvme/ctrl.c | 8 ++++++++
hw/nvme/trace-events | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 533ad14e7a61..09725ec49c5d 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -1346,6 +1346,8 @@ static void nvme_post_cqes(void *opaque)
bool pending = cq->head != cq->tail;
int ret;
+ trace_pci_nvme_post_cqes(cq->cqid);
+
QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) {
NvmeSQueue *sq;
hwaddr addr;
@@ -4238,6 +4240,8 @@ static void nvme_cq_notifier(EventNotifier *e)
NvmeCQueue *cq = container_of(e, NvmeCQueue, notifier);
NvmeCtrl *n = cq->ctrl;
+ trace_pci_nvme_cq_notify(cq->cqid);
+
event_notifier_test_and_clear(&cq->notifier);
nvme_update_cq_head(cq);
@@ -4275,6 +4279,8 @@ static void nvme_sq_notifier(EventNotifier *e)
{
NvmeSQueue *sq = container_of(e, NvmeSQueue, notifier);
+ trace_pci_nvme_sq_notify(sq->sqid);
+
event_notifier_test_and_clear(&sq->notifier);
nvme_process_sq(sq);
@@ -6240,6 +6246,8 @@ static void nvme_process_sq(void *opaque)
NvmeCtrl *n = sq->ctrl;
NvmeCQueue *cq = n->cq[sq->cqid];
+ trace_pci_nvme_process_sq(sq->sqid);
+
uint16_t status;
hwaddr addr;
NvmeCmd cmd;
diff --git a/hw/nvme/trace-events b/hw/nvme/trace-events
index fccb79f48973..45dd708bd2fa 100644
--- a/hw/nvme/trace-events
+++ b/hw/nvme/trace-events
@@ -104,6 +104,10 @@ pci_nvme_mmio_shutdown_set(void) "shutdown bit set"
pci_nvme_mmio_shutdown_cleared(void) "shutdown bit cleared"
pci_nvme_shadow_doorbell_cq(uint16_t cqid, uint16_t new_shadow_doorbell) "cqid
%"PRIu16" new_shadow_doorbell %"PRIu16""
pci_nvme_shadow_doorbell_sq(uint16_t sqid, uint16_t new_shadow_doorbell) "sqid
%"PRIu16" new_shadow_doorbell %"PRIu16""
+pci_nvme_sq_notify(uint16_t sqid) "sqid %"PRIu16""
+pci_nvme_cq_notify(uint16_t cqid) "cqid %"PRIu16""
+pci_nvme_process_sq(uint16_t sqid) "sqid %"PRIu16""
+pci_nvme_post_cqes(uint16_t cqid) "cqid %"PRIu16""
pci_nvme_open_zone(uint64_t slba, uint32_t zone_idx, int all) "open zone,
slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""
pci_nvme_close_zone(uint64_t slba, uint32_t zone_idx, int all) "close zone,
slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""
pci_nvme_finish_zone(uint64_t slba, uint32_t zone_idx, int all) "finish zone,
slba=%"PRIu64", idx=%"PRIu32", all=%"PRIi32""
--
2.36.1
- [PATCH] hw/nvme: add trace events for ioeventfd,
Klaus Jensen <=