Re: [PATCH v5 11/15] misc: bcm-vk: add BCM_VK_QSTATS

From: Florian Fainelli
Date: Wed Sep 30 2020 - 22:33:44 EST




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@xxxxxxxxxxxx>
Signed-off-by: Desmond Yan <desmond.yan@xxxxxxxxxxxx>
Signed-off-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
---

[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