diff options
Diffstat (limited to 'linux/drivers/media/video/pvrusb2/pvrusb2-io.c')
| -rw-r--r-- | linux/drivers/media/video/pvrusb2/pvrusb2-io.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/linux/drivers/media/video/pvrusb2/pvrusb2-io.c b/linux/drivers/media/video/pvrusb2/pvrusb2-io.c index 7b3be67f5..bf7bd5906 100644 --- a/linux/drivers/media/video/pvrusb2/pvrusb2-io.c +++ b/linux/drivers/media/video/pvrusb2/pvrusb2-io.c @@ -1,6 +1,5 @@ /* * - * $Id$ * * Copyright (C) 2005 Mike Isely <isely@pobox.com> * @@ -100,6 +99,10 @@ 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 { @@ -470,6 +473,8 @@ 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, @@ -481,11 +486,13 @@ 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); @@ -539,6 +546,28 @@ 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) { @@ -603,7 +632,7 @@ void pvr2_stream_kill(struct pvr2_stream *sp) struct pvr2_buffer *bp; mutex_lock(&sp->mutex); do { pvr2_stream_internal_flush(sp); - while ((bp = pvr2_stream_get_ready_buffer(sp)) != 0) { + while ((bp = pvr2_stream_get_ready_buffer(sp)) != NULL) { pvr2_buffer_set_idle(bp); } if (sp->buffer_total_count != sp->buffer_target_count) { |