diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-io.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-io.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c index a9889ff96ec..7aff8b72006 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-io.c +++ b/drivers/media/video/pvrusb2/pvrusb2-io.c @@ -80,6 +80,10 @@ struct pvr2_stream { /* Tracking state for tolerating errors */ unsigned int fail_count; unsigned int fail_tolerance; + + unsigned int buffers_processed; + unsigned int buffers_failed; + unsigned int bytes_processed; }; struct pvr2_buffer { @@ -446,6 +450,8 @@ static void buffer_complete(struct urb *urb) (urb->status == -ENOENT) || (urb->status == -ECONNRESET) || (urb->status == -ESHUTDOWN)) { + (sp->buffers_processed)++; + sp->bytes_processed += urb->actual_length; bp->used_count = urb->actual_length; if (sp->fail_count) { pvr2_trace(PVR2_TRACE_TOLERANCE, @@ -457,11 +463,13 @@ static void buffer_complete(struct urb *urb) // We can tolerate this error, because we're below the // threshold... (sp->fail_count)++; + (sp->buffers_failed)++; pvr2_trace(PVR2_TRACE_TOLERANCE, "stream %p ignoring error %d" " - fail count increased to %u", sp,urb->status,sp->fail_count); } else { + (sp->buffers_failed)++; bp->status = urb->status; } spin_unlock_irqrestore(&sp->list_lock,irq_flags); @@ -515,6 +523,28 @@ void pvr2_stream_set_callback(struct pvr2_stream *sp, } while(0); mutex_unlock(&sp->mutex); } +void pvr2_stream_get_stats(struct pvr2_stream *sp, + struct pvr2_stream_stats *stats, + int zero_counts) +{ + unsigned long irq_flags; + spin_lock_irqsave(&sp->list_lock,irq_flags); + if (stats) { + stats->buffers_in_queue = sp->q_count; + stats->buffers_in_idle = sp->i_count; + stats->buffers_in_ready = sp->r_count; + stats->buffers_processed = sp->buffers_processed; + stats->buffers_failed = sp->buffers_failed; + stats->bytes_processed = sp->bytes_processed; + } + if (zero_counts) { + sp->buffers_processed = 0; + sp->buffers_failed = 0; + sp->bytes_processed = 0; + } + spin_unlock_irqrestore(&sp->list_lock,irq_flags); +} + /* Query / set the nominal buffer count */ int pvr2_stream_get_buffer_count(struct pvr2_stream *sp) { |