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Subject: media: videobuf2: Stop spamming kernel log with all queue counter
Author: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Date: Thu Nov 9 17:29:15 2023 +0100
Only report unbalanced queue counters do avoid spamming kernel log
with useless information.
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrze...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/common/videobuf2/videobuf2-core.c | 79 ++++++++++++++-----------
1 file changed, 44 insertions(+), 35 deletions(-)
---
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c
b/drivers/media/common/videobuf2/videobuf2-core.c
index 0b7c6b297d12..009ae53dbe3b 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -538,25 +538,26 @@ static void __vb2_queue_free(struct vb2_queue *q,
unsigned int buffers)
#ifdef CONFIG_VIDEO_ADV_DEBUG
/*
- * Check that all the calls were balances during the life-time of this
- * queue. If not (or if the debug level is 1 or up), then dump the
- * counters to the kernel log.
+ * Check that all the calls were balanced during the life-time of this
+ * queue. If not then dump the counters to the kernel log.
*/
if (q->num_buffers) {
bool unbalanced = q->cnt_start_streaming !=
q->cnt_stop_streaming ||
q->cnt_prepare_streaming !=
q->cnt_unprepare_streaming ||
q->cnt_wait_prepare != q->cnt_wait_finish;
- if (unbalanced || debug) {
- pr_info("counters for queue %p:%s\n", q,
- unbalanced ? " UNBALANCED!" : "");
- pr_info(" setup: %u start_streaming: %u
stop_streaming: %u\n",
- q->cnt_queue_setup, q->cnt_start_streaming,
- q->cnt_stop_streaming);
- pr_info(" prepare_streaming: %u
unprepare_streaming: %u\n",
- q->cnt_prepare_streaming,
q->cnt_unprepare_streaming);
- pr_info(" wait_prepare: %u wait_finish: %u\n",
- q->cnt_wait_prepare, q->cnt_wait_finish);
+ if (unbalanced) {
+ pr_info("unbalanced counters for queue %p:\n", q);
+ if (q->cnt_start_streaming != q->cnt_stop_streaming)
+ pr_info(" setup: %u start_streaming: %u
stop_streaming: %u\n",
+ q->cnt_queue_setup,
q->cnt_start_streaming,
+ q->cnt_stop_streaming);
+ if (q->cnt_prepare_streaming !=
q->cnt_unprepare_streaming)
+ pr_info(" prepare_streaming: %u
unprepare_streaming: %u\n",
+ q->cnt_prepare_streaming,
q->cnt_unprepare_streaming);
+ if (q->cnt_wait_prepare != q->cnt_wait_finish)
+ pr_info(" wait_prepare: %u wait_finish:
%u\n",
+ q->cnt_wait_prepare,
q->cnt_wait_finish);
}
q->cnt_queue_setup = 0;
q->cnt_wait_prepare = 0;
@@ -577,29 +578,37 @@ static void __vb2_queue_free(struct vb2_queue *q,
unsigned int buffers)
vb->cnt_buf_prepare != vb->cnt_buf_finish ||
vb->cnt_buf_init != vb->cnt_buf_cleanup;
- if (unbalanced || debug) {
- pr_info(" counters for queue %p, buffer %d:%s\n",
- q, buffer, unbalanced ? " UNBALANCED!" : "");
- pr_info(" buf_init: %u buf_cleanup: %u buf_prepare:
%u buf_finish: %u\n",
- vb->cnt_buf_init, vb->cnt_buf_cleanup,
- vb->cnt_buf_prepare, vb->cnt_buf_finish);
- pr_info(" buf_out_validate: %u buf_queue: %u
buf_done: %u buf_request_complete: %u\n",
- vb->cnt_buf_out_validate, vb->cnt_buf_queue,
- vb->cnt_buf_done, vb->cnt_buf_request_complete);
- pr_info(" alloc: %u put: %u prepare: %u finish: %u
mmap: %u\n",
- vb->cnt_mem_alloc, vb->cnt_mem_put,
- vb->cnt_mem_prepare, vb->cnt_mem_finish,
- vb->cnt_mem_mmap);
- pr_info(" get_userptr: %u put_userptr: %u\n",
- vb->cnt_mem_get_userptr,
vb->cnt_mem_put_userptr);
- pr_info(" attach_dmabuf: %u detach_dmabuf: %u
map_dmabuf: %u unmap_dmabuf: %u\n",
- vb->cnt_mem_attach_dmabuf,
vb->cnt_mem_detach_dmabuf,
- vb->cnt_mem_map_dmabuf,
vb->cnt_mem_unmap_dmabuf);
- pr_info(" get_dmabuf: %u num_users: %u vaddr: %u
cookie: %u\n",
+ if (unbalanced) {
+ pr_info("unbalanced counters for queue %p, buffer
%d:\n",
+ q, buffer);
+ if (vb->cnt_buf_init != vb->cnt_buf_cleanup)
+ pr_info(" buf_init: %u buf_cleanup: %u\n",
+ vb->cnt_buf_init, vb->cnt_buf_cleanup);
+ if (vb->cnt_buf_prepare != vb->cnt_buf_finish)
+ pr_info(" buf_prepare: %u buf_finish: %u\n",
+ vb->cnt_buf_prepare,
vb->cnt_buf_finish);
+ if (vb->cnt_buf_queue != vb->cnt_buf_done)
+ pr_info(" buf_out_validate: %u buf_queue:
%u buf_done: %u buf_request_complete: %u\n",
+ vb->cnt_buf_out_validate,
vb->cnt_buf_queue,
+ vb->cnt_buf_done,
vb->cnt_buf_request_complete);
+ if (vb->cnt_mem_alloc != vb->cnt_mem_put)
+ pr_info(" alloc: %u put: %u\n",
+ vb->cnt_mem_alloc, vb->cnt_mem_put);
+ if (vb->cnt_mem_prepare != vb->cnt_mem_finish)
+ pr_info(" prepare: %u finish: %u\n",
+ vb->cnt_mem_prepare,
vb->cnt_mem_finish);
+ if (vb->cnt_mem_get_userptr != vb->cnt_mem_put_userptr)
+ pr_info(" get_userptr: %u put_userptr:
%u\n",
+ vb->cnt_mem_get_userptr,
vb->cnt_mem_put_userptr);
+ if (vb->cnt_mem_attach_dmabuf !=
vb->cnt_mem_detach_dmabuf)
+ pr_info(" attach_dmabuf: %u detach_dmabuf:
%u\n",
+ vb->cnt_mem_attach_dmabuf,
vb->cnt_mem_detach_dmabuf);
+ if (vb->cnt_mem_map_dmabuf != vb->cnt_mem_unmap_dmabuf)
+ pr_info(" map_dmabuf: %u unmap_dmabuf:
%u\n",
+ vb->cnt_mem_map_dmabuf,
vb->cnt_mem_unmap_dmabuf);
+ pr_info(" get_dmabuf: %u num_users: %u\n",
vb->cnt_mem_get_dmabuf,
- vb->cnt_mem_num_users,
- vb->cnt_mem_vaddr,
- vb->cnt_mem_cookie);
+ vb->cnt_mem_num_users);
}
}
#endif
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