diff options
| author | Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> | 2014-06-16 19:37:22 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-06-19 15:49:26 -0400 |
| commit | be299858d0611ee9f43fab7fa6dbea8671748267 (patch) | |
| tree | 1aae9c6ad4319d3a227c8a9d7e37adea83ad885f /drivers/net/wireless/ath/wil6210/interrupt.c | |
| parent | 84bb29b7ab71daed9318073dd33632274373a1ea (diff) | |
| download | linux-be299858d0611ee9f43fab7fa6dbea8671748267.tar.gz | |
wil6210: interrupt statistics
Track number of interrupts and Tx/Rx packets;
expose through debugfs 'info'. Reset upon read.
Used to analyse effectivness of interrupt coalescing and NAPI.
Read twice with some interval like
cat info > /dev/null; sleep 1; cat info
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/interrupt.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/interrupt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index e4aba53c20e4..67f1002a03a1 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -208,6 +208,7 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) /* Rx IRQ will be enabled when NAPI processing finished */ + atomic_inc(&wil->isr_count_rx); return IRQ_HANDLED; } @@ -246,6 +247,7 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie) /* Tx IRQ will be enabled when NAPI processing finished */ + atomic_inc(&wil->isr_count_tx); return IRQ_HANDLED; } |