10.4 has additional 64 bit cycle counters. see wmi_pdev_bss_chan_info_event
the standard 32 cycle counters do individual wrap around as far as i know
Am 14.10.2019 um 09:07 schrieb Sven Eckelmann:
On Monday, 14 October 2019 00:15:20 CEST Sebastian Gottschall wrote:
i checked your patch on 10.4 based chipsets with 9984. the values are
now looking bogus and wrong at all. busy and active time time in ms does
increase in hours each second
the problem seem to be that your patch is 10.2.4 only related.
ath_clean_survey does not trigger on 10.4 so the values double itself
each time the event raises since you add the full values and not just a
delta on top
Thanks for the feedback. So we have now a firmware 10.2.4 which is
counting
busy + active up and has wraparound problems. And then we have a 10.4
firmware
(on QCA9888 and QCA4019) which is clearing everything as expected with
WMI_BSS_SURVEY_REQ_TYPE_READ_CLEAR and then we have some 10.4
firmware (one
QCA9984) which behaves more like ath 10.2.4 firmware but is marked as
ATH10K_HW_CC_WRAP_SHIFTED_EACH like the QCA4019.
So I have no idea how to fix this when QCA4019 and QCA9984 are currently
marked the same but behave differently. Does somebody have a overview
how the
different HW versions should behave or is there some special bit in
the data
reported by the firmware which can be used to evaluate the expected
behavior?
Kind regards,
Sven
