From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
It is useful to check which queue the driver choose to send to the
hardware.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
---
drivers/staging/wfx/queue.c | 3 +++
drivers/staging/wfx/traces.h | 51 ++++++++++++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c
index 678f622639093..6e31591651432 100644
--- a/drivers/staging/wfx/queue.c
+++ b/drivers/staging/wfx/queue.c
@@ -12,6 +12,7 @@
#include "wfx.h"
#include "sta.h"
#include "data_tx.h"
+#include "traces.h"
void wfx_tx_lock(struct wfx_dev *wdev)
{
@@ -256,6 +257,7 @@ static struct sk_buff *wfx_tx_queues_get_skb(struct wfx_dev *wdev)
WARN_ON(queues[i] !=
&wvif->tx_queue[skb_get_queue_mapping(skb)]);
atomic_inc(&queues[i]->pending_frames);
+ trace_queues_stats(wdev, queues[i]);
return skb;
}
// No more multicast to sent
@@ -267,6 +269,7 @@ static struct sk_buff *wfx_tx_queues_get_skb(struct wfx_dev *wdev)
skb = skb_dequeue(&queues[i]->normal);
if (skb) {
atomic_inc(&queues[i]->pending_frames);
+ trace_queues_stats(wdev, queues[i]);
return skb;
}
}
diff --git a/drivers/staging/wfx/traces.h b/drivers/staging/wfx/traces.h
index 0b6fbd5186381..d376db2f1891b 100644
--- a/drivers/staging/wfx/traces.h
+++ b/drivers/staging/wfx/traces.h
@@ -439,6 +439,57 @@ TRACE_EVENT(tx_stats,
);
#define _trace_tx_stats(tx_cnf, skb, delay) trace_tx_stats(tx_cnf, skb, delay)
+TRACE_EVENT(queues_stats,
+ TP_PROTO(struct wfx_dev *wdev, const struct wfx_queue *elected_queue),
+ TP_ARGS(wdev, elected_queue),
+ TP_STRUCT__entry(
+ __field(int, vif_id)
+ __field(int, queue_id)
+ __array(int, hw, IEEE80211_NUM_ACS * 2)
+ __array(int, drv, IEEE80211_NUM_ACS * 2)
+ __array(int, cab, IEEE80211_NUM_ACS * 2)
+ ),
+ TP_fast_assign(
+ const struct wfx_queue *queue;
+ struct wfx_vif *wvif;
+ int i, j;
+
+ for (j = 0; j < IEEE80211_NUM_ACS * 2; j++) {
+ __entry->hw[j] = -1;
+ __entry->drv[j] = -1;
+ __entry->cab[j] = -1;
+ }
+ __entry->vif_id = -1;
+ __entry->queue_id = -1;
+ wvif = NULL;
+ while ((wvif = wvif_iterate(wdev, wvif)) != NULL) {
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ j = wvif->id * IEEE80211_NUM_ACS + i;
+ WARN_ON(j >= IEEE80211_NUM_ACS * 2);
+ queue = &wvif->tx_queue[i];
+ __entry->hw[j] = atomic_read(&queue->pending_frames);
+ __entry->drv[j] = skb_queue_len(&queue->normal);
+ __entry->cab[j] = skb_queue_len(&queue->cab);
+ if (queue == elected_queue) {
+ __entry->vif_id = wvif->id;
+ __entry->queue_id = i;
+ }
+ }
+ }
+ ),
+ TP_printk("got skb from %d/%d, pend. hw/norm/cab: [ %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d ] [ %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d ]",
+ __entry->vif_id, __entry->queue_id,
+ __entry->hw[0], __entry->drv[0], __entry->cab[0],
+ __entry->hw[1], __entry->drv[1], __entry->cab[1],
+ __entry->hw[2], __entry->drv[2], __entry->cab[2],
+ __entry->hw[3], __entry->drv[3], __entry->cab[3],
+ __entry->hw[4], __entry->drv[4], __entry->cab[4],
+ __entry->hw[5], __entry->drv[5], __entry->cab[5],
+ __entry->hw[6], __entry->drv[6], __entry->cab[6],
+ __entry->hw[7], __entry->drv[7], __entry->cab[7]
+ )
+);
+
#endif
/* This part must be outside protection */
--
2.27.0
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
