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SubjectRe: [PATCH v5 11/15] misc: bcm-vk: add BCM_VK_QSTATS
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On 9/30/2020 6:28 PM, Scott Branden wrote:
> Add BCM_VK_QSTATS Kconfig option to allow for enabling debug VK
> queue statistics.
>
> These statistics keep track of max, abs_max, and average for the
> messages queues.
>
> Co-developed-by: Desmond Yan <desmond.yan@broadcom.com>
> Signed-off-by: Desmond Yan <desmond.yan@broadcom.com>
> Signed-off-by: Scott Branden <scott.branden@broadcom.com>
> ---

[snip]

> +#if defined(CONFIG_BCM_VK_QSTATS)
> + /* clear qstats */
> + for (i = 0; i < VK_MSGQ_MAX_NR; i++) {
> + memset(&vk->to_v_msg_chan.qstats[i].qcnts, 0,
> + sizeof(vk->to_v_msg_chan.qstats[i].qcnts));
> + memset(&vk->to_h_msg_chan.qstats[i].qcnts, 0,
> + sizeof(vk->to_h_msg_chan.qstats[i].qcnts));
> + }
> +#endif
> /* clear 4096 bits of bitmap */
> bitmap_clear(vk->bmap, 0, VK_MSG_ID_BITMAP_SIZE);

It was not clear from looking at this patch how are the statistics
exposed and how does one actually get them?
--
Florian

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