Re: [PATCH 38/40] vdpa: add trace events for eval_flush

2024-01-14 Thread Jason Wang
On Fri, Dec 8, 2023 at 2:51 AM Si-Wei Liu  wrote:
>
> For better debuggability and observability.
>
> Signed-off-by: Si-Wei Liu 
> ---
>  net/trace-events | 2 ++
>  net/vhost-vdpa.c | 7 +++
>  2 files changed, 9 insertions(+)
>
> diff --git a/net/trace-events b/net/trace-events
> index aab666a..d650c71 100644
> --- a/net/trace-events
> +++ b/net/trace-events
> @@ -26,3 +26,5 @@ colo_filter_rewriter_conn_offset(uint32_t offset) ": 
> offset=%u"
>
>  # vhost-vdpa.c
>  vhost_vdpa_set_address_space_id(void *v, unsigned vq_group, unsigned 
> asid_num) "vhost_vdpa: %p vq_group: %u asid: %u"
> +vhost_vdpa_net_data_eval_flush(void *s, int qindex, int svq_switch, bool 
> svq_flush) "vhost_vdpa: %p qp: %d svq_switch: %d flush_map: %d"
> +vhost_vdpa_net_cvq_eval_flush(void *s, int qindex, int svq_switch, bool 
> svq_flush) "vhost_vdpa: %p qp: %d svq_switch: %d flush_map: %d"
> diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
> index 84876b0..a0bd8cd 100644
> --- a/net/vhost-vdpa.c
> +++ b/net/vhost-vdpa.c
> @@ -608,6 +608,9 @@ static void vhost_vdpa_net_data_eval_flush(NetClientState 
> *nc, bool stop)
> v->desc_group < 0) {
>  v->shared->flush_map = true;
>  }
> +trace_vhost_vdpa_net_data_eval_flush(v, s->vhost_vdpa.index,
> +v->shared->svq_switching,
> +v->shared->flush_map);
>  }
>
>  static NetClientInfo net_vhost_vdpa_info = {
> @@ -1457,6 +1460,10 @@ static void 
> vhost_vdpa_net_cvq_eval_flush(NetClientState *nc, bool stop)

For even better debuggability and observability.

Is it better to squash this into the patch into vhost_vdpa_net_cvq_eval_flush()?

Thanks

>  !s->cvq_isolated && v->desc_group < 0) {
>  v->shared->flush_map = true;
>  }
> +
> +trace_vhost_vdpa_net_cvq_eval_flush(v, s->vhost_vdpa.index,
> +   v->shared->svq_switching,
> +   v->shared->flush_map);
>  }
>
>  static NetClientInfo net_vhost_vdpa_cvq_info = {
> --
> 1.8.3.1
>




[PATCH 38/40] vdpa: add trace events for eval_flush

2023-12-07 Thread Si-Wei Liu
For better debuggability and observability.

Signed-off-by: Si-Wei Liu 
---
 net/trace-events | 2 ++
 net/vhost-vdpa.c | 7 +++
 2 files changed, 9 insertions(+)

diff --git a/net/trace-events b/net/trace-events
index aab666a..d650c71 100644
--- a/net/trace-events
+++ b/net/trace-events
@@ -26,3 +26,5 @@ colo_filter_rewriter_conn_offset(uint32_t offset) ": 
offset=%u"
 
 # vhost-vdpa.c
 vhost_vdpa_set_address_space_id(void *v, unsigned vq_group, unsigned asid_num) 
"vhost_vdpa: %p vq_group: %u asid: %u"
+vhost_vdpa_net_data_eval_flush(void *s, int qindex, int svq_switch, bool 
svq_flush) "vhost_vdpa: %p qp: %d svq_switch: %d flush_map: %d"
+vhost_vdpa_net_cvq_eval_flush(void *s, int qindex, int svq_switch, bool 
svq_flush) "vhost_vdpa: %p qp: %d svq_switch: %d flush_map: %d"
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 84876b0..a0bd8cd 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -608,6 +608,9 @@ static void vhost_vdpa_net_data_eval_flush(NetClientState 
*nc, bool stop)
v->desc_group < 0) {
 v->shared->flush_map = true;
 }
+trace_vhost_vdpa_net_data_eval_flush(v, s->vhost_vdpa.index,
+v->shared->svq_switching,
+v->shared->flush_map);
 }
 
 static NetClientInfo net_vhost_vdpa_info = {
@@ -1457,6 +1460,10 @@ static void vhost_vdpa_net_cvq_eval_flush(NetClientState 
*nc, bool stop)
 !s->cvq_isolated && v->desc_group < 0) {
 v->shared->flush_map = true;
 }
+
+trace_vhost_vdpa_net_cvq_eval_flush(v, s->vhost_vdpa.index,
+   v->shared->svq_switching,
+   v->shared->flush_map);
 }
 
 static NetClientInfo net_vhost_vdpa_cvq_info = {
-- 
1.8.3.1