[Ovmsdev] OVMS Poller module/singleton
Derek Caudwell
d.caudwell at gmail.com
Mon Jan 20 02:07:57 HKT 2025
Hi Michael
I just used the firmware stock with no changes to the poller settings.
The Leaf is using high speeds on both buses:
RegisterCanBus(1,CAN_MODE_ACTIVE,CAN_SPEED_500KBPS);
RegisterCanBus(2,CAN_MODE_ACTIVE,CAN_SPEED_500KBPS);
On Sun, 19 Jan 2025, 10:15 pm Michael Balzer via OvmsDev, <
ovmsdev at lists.openvehicles.com> wrote:
> Michael,
>
> I suggest adding a standard bool member variable to reflect if any filter
> is defined, so `PollerRxCallback()` can just skip the filter test while
> that is false. A mutex has some overhead, even if used non-blocking, and a
> bool variable only read there will be sufficient to signal "apply
> filtering" to the callback. With the simple bool test, all vehicles that
> don't need filtering (i.e. most vehicles) will have a neglectible impact
> from this.
>
>
> Regarding the overhead: the GCC atomic implementation should use the
> xtensa CPU builtin atomic support (SCOMPARE1 register & S32C1I
> instruction), so should be pretty fast and not use any interrupt disabling,
> see:
>
> - https://gcc.gnu.org/wiki/Atomic (xtensa atomic support since gcc
> 4.4.0)
> -
> https://www.cadence.com/content/dam/cadence-www/global/en_US/documents/tools/silicon-solutions/compute-ip/isa-summary.pdf
> (section 4.3.13)
>
> So I still doubt the queue overflow is the real culprit.
>
> But having the filter option doesn't hurt (with my suggestion above), and
> your changes to the queue processing look promising as well.
>
> @Derek: what was your poller tracing & timing setup when you had the bus
> issue on the Leaf? I still think that was something related to your car or
> setup. There are currently 11 Leafs on my server running "edge" releases
> including the new poller, all without (reported) issues.
>
> Regards,
> Michael
>
>
>
> Am 19.01.25 um 04:26 schrieb Michael Geddes:
>
> P/R Created
> https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pull/1100
> Let me know if you want me to split it up or ANY changes and I'll get onto
> it asap.
>
> Maybe somebody could grab the code and check it out in the context of
> specifying some filters. This will prevent those messages from coming to
> the vehicle implementation at all.. and even from going through the poller
> queue. It is non-blocking meaning that the filter is briefly
> inopperational while the filter is being modified.
>
> //.
>
>
> On Sun, 19 Jan 2025 at 11:02, Michael Geddes <frog at bunyip.wheelycreek.net>
> wrote:
>
>>
>>
>> On Sat, 18 Jan 2025 at 17:08, Michael Balzer via OvmsDev <
>> ovmsdev at lists.openvehicles.com> wrote:
>>
>>>
>>> I have commented out the line with the Atomic_Increment statement. Now I
>>> no longer receive any messages with “RX Task Queue Overflow Run”
>>> Here is the output of poller times status:
>>>
>>>
>>> The main question is if you still get the CAN bus crash (vehicle running
>>> into issues) with that modification in active mode. Timing statistics were
>>> not expected to change.
>>>
>> I have a feeling that the atomic operations are along the lines of:
>>
>> * Set Interrupts off
>> * atomic operation
>> * Set interrupts on
>>
>> Which means no real 'blocking' .. just not allowing interrupts and
>> therefor task switching for a couple of instructions.
>>
>>
>>
>>>
>>>
>>> Nearly 2800 frames per second is quite a lot, and most is on can1 with
>>> many frame periods at 20 ms. Yet the total processing time averages at
>>> 30-40 ms, so there is no actual CPU capacity issue for that amount of
>>> frames.
>>>
>>> @Derek: can you please supply these statistics for the Leaf in drive
>>> mode as well?
>>>
>>>
>>> Am 18.01.25 um 02:42 schrieb Michael Geddes via OvmsDev:
>>>
>>> Maybe try setting CONFIG_OVMS_VEHICLE_CAN_RX_QUEUE_SIZE = 160 and see
>>> if that reduces the overflow?
>>>
>>>
>>> Simons car sends at least 91 process data frame IDs on can1 and 84 on
>>> can2. Worst case would be these come all in within the shortest possible
>>> time span, that would mean the queue needs to be able to hold 175 frames.
>>> I'd add some headroom and round up to 200.
>>>
>>> But keep in mind, if the Incoming processing actually occasionally gets
>>> blocked for up to 60 ms -- as indicated by Simons statistics --, the queue
>>> may need to be twice as large.
>>>
>>>
>>> Am 18.01.25 um 02:42 schrieb Michael Geddes via OvmsDev:
>>>
>>> I was thinking that the frame filter would be here:
>>> void OvmsPollers::PollerRxCallback(const CAN_frame_t* frame, bool
>>> success)
>>> {
>>> Queue_PollerFrame(*frame, success, false);
>>> }
>>> which I guess is executed in the task handling the CAN queue. (we
>>> don't know how many frames get dropped there).
>>>
>>>
>>> Actually we do know that, or at least have some indication, as we count
>>> the CAN transceiver queue overruns. That info is included as "Rx overflw"
>>> in the can status output & as "rxovr" in the logs.
>>>
>>> Adding a filter before queueing the frame would exclude the filtered IDs
>>> from all vehicle processing. I meant adding a filter just to exclude IDs
>>> from the timing statistics, assuming those are the culprits, as Simon wrote
>>> the issue only appears after enabling the timing statistics and printing
>>> them. That's why I asked if printing might need to lock the statistics for
>>> too long in case of such a long list.
>>>
>>> Completely blocking ID ranges from processing by the vehicle should
>>> normally not be necessary, unless the Incoming handler is written very
>>> poorly.
>>>
>>>
>>> Yet, if we add that, a mutex in the CAN RX callback must be avoided, or
>>> would need to be non-blocking:
>>>
>>> The only real concern is thread safety between checking and adding to
>>> the filter - so the check itself might have to be mutexed.
>>> void OvmsPollers::PollerRxCallback(const CAN_frame_t* frame, bool
>>> success)
>>> {
>>> // Check filter
>>> {
>>> OvmsRecMutexLock lock(&m_filter_mutex);
>>> if (! m_filter->IsFiltered(frame))
>>> return;
>>> }
>>> Queue_PollerFrame(*frame, success, false);
>>> }
>>>
>>>
>>> A mutex like that could block the CAN task, which must be avoided at all
>>> cost. I introduced CAN callbacks for vehicles & applications that need to
>>> react to certain frames as fast as possible, e.g. to maintain control
>>> precedence, so cannot use the standard CAN listener mechanism (frame
>>> queueing).
>>>
>>> The current poller callback use is OK, if (!) the atomic type really
>>> isn't the culprit, ie doesn't block.
>>>
>>> So if (!) an ID filter needs to be added before queueing, it needs to be
>>> done in a way that needs no mutex. But I don't see an issue with the
>>> vehicle passing a fixed filter when registering with the poller/buses. The
>>> filter doesn't need to by mutable on the fly.
>>>
>>>
>>> Regards,
>>> Michael
>>>
>>>
>>>
>>> Am 17.01.25 um 19:42 schrieb Simon Ehlen via OvmsDev:
>>>
>>> The poller statistics can help you track this down, but you need to have
>>> at least 10 seconds of statistics, the more the better. Rule of thumb: PRI
>>> average at 0.0/second means you don't have enough data yet.
>>>
>>>
>>> There were again many messages with “RX Task Queue Overflow Run”.
>>> Here are the statistics of poller times status:
>>>
>>> OVMS# poll times status
>>> Poller timing is: on
>>> Type | count | Utlztn | Time
>>> | per s | [%] | [ms]
>>> ---------------+--------+--------+---------
>>> Poll:PRI Avg| 1.00| 0.0043| 0.004
>>> Peak| | 0.0043| 0.052
>>> ---------------+--------+--------+---------
>>> RxCan1[010] Avg| 34.26| 1.6741| 0.015
>>> Peak| | 1.6741| 1.182
>>> ---------------+--------+--------+---------
>>> RxCan1[030] Avg| 34.06| 1.7085| 0.020
>>> Peak| | 1.7085| 1.390
>>> ---------------+--------+--------+---------
>>> RxCan1[041] Avg| 49.89| 0.8109| 0.016
>>> Peak| | 0.8541| 1.098
>>> ---------------+--------+--------+---------
>>> RxCan1[049] Avg| 50.00| 1.5970| 0.019
>>> Peak| | 1.7154| 32.233
>>> ---------------+--------+--------+---------
>>> RxCan1[04c] Avg| 49.92| 0.8340| 0.014
>>> Peak| | 0.8933| 1.995
>>> ---------------+--------+--------+---------
>>> RxCan1[04d] Avg| 34.43| 1.6211| 0.014
>>> Peak| | 1.6756| 1.318
>>> ---------------+--------+--------+---------
>>> RxCan1[076] Avg| 50.00| 0.8362| 0.024
>>> Peak| | 0.8784| 2.185
>>> ---------------+--------+--------+---------
>>> RxCan1[077] Avg| 50.00| 0.7837| 0.014
>>> Peak| | 0.8083| 1.156
>>> ---------------+--------+--------+---------
>>> RxCan1[07a] Avg| 34.31| 2.1870| 0.017
>>> Peak| | 2.3252| 1.888
>>> ---------------+--------+--------+---------
>>> RxCan1[07d] Avg| 50.00| 0.8001| 0.013
>>> Peak| | 0.8434| 1.150
>>> ---------------+--------+--------+---------
>>> RxCan1[0c8] Avg| 49.96| 0.8359| 0.013
>>> Peak| | 0.8715| 1.171
>>> ---------------+--------+--------+---------
>>> RxCan1[11a] Avg| 34.35| 1.6701| 0.020
>>> Peak| | 1.6981| 1.273
>>> ---------------+--------+--------+---------
>>> RxCan1[130] Avg| 50.00| 0.7902| 0.018
>>> Peak| | 0.8513| 0.980
>>> ---------------+--------+--------+---------
>>> RxCan1[139] Avg| 49.92| 0.7872| 0.013
>>> Peak| | 0.8219| 0.795
>>> ---------------+--------+--------+---------
>>> RxCan1[156] Avg| 10.00| 0.1620| 0.014
>>> Peak| | 0.1729| 0.919
>>> ---------------+--------+--------+---------
>>> RxCan1[160] Avg| 50.04| 0.7977| 0.014
>>> Peak| | 0.8232| 1.495
>>> ---------------+--------+--------+---------
>>> RxCan1[165] Avg| 49.85| 0.7976| 0.014
>>> Peak| | 0.8486| 1.015
>>> ---------------+--------+--------+---------
>>> RxCan1[167] Avg| 34.39| 1.6025| 0.016
>>> Peak| | 1.6888| 1.354
>>> ---------------+--------+--------+---------
>>> RxCan1[171] Avg| 50.00| 0.8150| 0.017
>>> Peak| | 0.8488| 1.091
>>> ---------------+--------+--------+---------
>>> RxCan1[178] Avg| 10.00| 0.1614| 0.014
>>> Peak| | 0.1702| 0.903
>>> ---------------+--------+--------+---------
>>> RxCan1[179] Avg| 10.00| 0.1630| 0.017
>>> Peak| | 0.1663| 1.336
>>> ---------------+--------+--------+---------
>>> RxCan1[180] Avg| 50.00| 0.8137| 0.014
>>> Peak| | 0.8605| 1.566
>>> ---------------+--------+--------+---------
>>> RxCan1[185] Avg| 50.04| 0.8033| 0.013
>>> Peak| | 0.8393| 1.126
>>> ---------------+--------+--------+---------
>>> RxCan1[1a0] Avg| 49.92| 0.7748| 0.013
>>> Peak| | 0.8169| 1.184
>>> ---------------+--------+--------+---------
>>> RxCan1[1e0] Avg| 49.92| 0.7738| 0.014
>>> Peak| | 0.8028| 1.049
>>> ---------------+--------+--------+---------
>>> RxCan1[1e4] Avg| 49.89| 0.9692| 0.018
>>> Peak| | 1.0096| 1.332
>>> ---------------+--------+--------+---------
>>> RxCan1[1f0] Avg| 33.22| 0.5544| 0.014
>>> Peak| | 0.5855| 0.848
>>> ---------------+--------+--------+---------
>>> RxCan1[200] Avg| 49.92| 0.7879| 0.015
>>> Peak| | 0.8345| 1.206
>>> ---------------+--------+--------+---------
>>> RxCan1[202] Avg| 34.28| 1.7075| 0.016
>>> Peak| | 1.7874| 1.218
>>> ---------------+--------+--------+---------
>>> RxCan1[204] Avg| 34.35| 1.5641| 0.013
>>> Peak| | 1.6427| 1.235
>>> ---------------+--------+--------+---------
>>> RxCan1[213] Avg| 49.89| 0.7814| 0.015
>>> Peak| | 0.8232| 0.910
>>> ---------------+--------+--------+---------
>>> RxCan1[214] Avg| 49.92| 0.7736| 0.014
>>> Peak| | 0.8216| 0.800
>>> ---------------+--------+--------+---------
>>> RxCan1[217] Avg| 34.31| 1.6294| 0.014
>>> Peak| | 1.7165| 1.153
>>> ---------------+--------+--------+---------
>>> RxCan1[218] Avg| 49.86| 0.7877| 0.013
>>> Peak| | 0.8290| 1.068
>>> ---------------+--------+--------+---------
>>> RxCan1[230] Avg| 50.00| 0.7596| 0.014
>>> Peak| | 0.7660| 1.021
>>> ---------------+--------+--------+---------
>>> RxCan1[240] Avg| 10.00| 0.1669| 0.013
>>> Peak| | 0.1835| 0.887
>>> ---------------+--------+--------+---------
>>> RxCan1[242] Avg| 24.96| 0.4764| 0.020
>>> Peak| | 0.4963| 1.501
>>> ---------------+--------+--------+---------
>>> RxCan1[24a] Avg| 9.89| 0.1789| 0.015
>>> Peak| | 0.2009| 0.874
>>> ---------------+--------+--------+---------
>>> RxCan1[24b] Avg| 9.89| 0.1702| 0.014
>>> Peak| | 0.1870| 1.195
>>> ---------------+--------+--------+---------
>>> RxCan1[24c] Avg| 9.89| 0.2146| 0.019
>>> Peak| | 0.2187| 1.242
>>> ---------------+--------+--------+---------
>>> RxCan1[25a] Avg| 10.00| 0.1603| 0.013
>>> Peak| | 0.1667| 0.720
>>> ---------------+--------+--------+---------
>>> RxCan1[25b] Avg| 49.94| 0.7918| 0.017
>>> Peak| | 0.8454| 1.666
>>> ---------------+--------+--------+---------
>>> RxCan1[25c] Avg| 34.24| 1.5331| 0.013
>>> Peak| | 1.5997| 1.538
>>> ---------------+--------+--------+---------
>>> RxCan1[260] Avg| 10.00| 0.1626| 0.014
>>> Peak| | 0.1682| 0.718
>>> ---------------+--------+--------+---------
>>> RxCan1[270] Avg| 49.90| 0.8120| 0.014
>>> Peak| | 0.8460| 1.671
>>> ---------------+--------+--------+---------
>>> RxCan1[280] Avg| 49.92| 0.7777| 0.019
>>> Peak| | 0.8447| 1.157
>>> ---------------+--------+--------+---------
>>> RxCan1[2e4] Avg| 19.89| 0.5778| 0.032
>>> Peak| | 0.6648| 2.226
>>> ---------------+--------+--------+---------
>>> RxCan1[2ec] Avg| 10.00| 0.1701| 0.014
>>> Peak| | 0.1755| 0.928
>>> ---------------+--------+--------+---------
>>> RxCan1[2ed] Avg| 10.00| 0.1650| 0.013
>>> Peak| | 0.1747| 0.917
>>> ---------------+--------+--------+---------
>>> RxCan1[2ee] Avg| 9.98| 0.1544| 0.013
>>> Peak| | 0.1588| 1.312
>>> ---------------+--------+--------+---------
>>> RxCan1[312] Avg| 10.00| 0.1648| 0.017
>>> Peak| | 0.1690| 0.922
>>> ---------------+--------+--------+---------
>>> RxCan1[326] Avg| 9.89| 0.1603| 0.015
>>> Peak| | 0.1833| 1.230
>>> ---------------+--------+--------+---------
>>> RxCan1[336] Avg| 1.00| 0.0146| 0.015
>>> Peak| | 0.0150| 0.349
>>> ---------------+--------+--------+---------
>>> RxCan1[352] Avg| 6.66| 0.1223| 0.022
>>> Peak| | 0.1338| 1.015
>>> ---------------+--------+--------+---------
>>> RxCan1[355] Avg| 2.00| 0.0424| 0.019
>>> Peak| | 0.0431| 0.786
>>> ---------------+--------+--------+---------
>>> RxCan1[35e] Avg| 9.96| 0.1570| 0.013
>>> Peak| | 0.1644| 0.579
>>> ---------------+--------+--------+---------
>>> RxCan1[365] Avg| 10.00| 0.1600| 0.014
>>> Peak| | 0.1653| 0.961
>>> ---------------+--------+--------+---------
>>> RxCan1[366] Avg| 10.00| 0.1716| 0.013
>>> Peak| | 0.1890| 0.987
>>> ---------------+--------+--------+---------
>>> RxCan1[367] Avg| 9.93| 0.1793| 0.015
>>> Peak| | 0.1864| 0.984
>>> ---------------+--------+--------+---------
>>> RxCan1[368] Avg| 10.00| 0.1645| 0.014
>>> Peak| | 0.1778| 0.768
>>> ---------------+--------+--------+---------
>>> RxCan1[369] Avg| 10.00| 0.1562| 0.016
>>> Peak| | 0.1606| 0.724
>>> ---------------+--------+--------+---------
>>> RxCan1[380] Avg| 10.00| 0.1619| 0.014
>>> Peak| | 0.1644| 0.605
>>> ---------------+--------+--------+---------
>>> RxCan1[38b] Avg| 25.00| 0.3991| 0.016
>>> Peak| | 0.4280| 1.448
>>> ---------------+--------+--------+---------
>>> RxCan1[3b3] Avg| 10.00| 0.1537| 0.013
>>> Peak| | 0.1610| 0.380
>>> ---------------+--------+--------+---------
>>> RxCan1[400] Avg| 4.00| 0.0626| 0.014
>>> Peak| | 0.0626| 0.251
>>> ---------------+--------+--------+---------
>>> RxCan1[405] Avg| 3.90| 0.1019| 0.028
>>> Peak| | 0.1019| 0.781
>>> ---------------+--------+--------+---------
>>> RxCan1[40a] Avg| 7.90| 0.1256| 0.020
>>> Peak| | 0.1256| 0.991
>>> ---------------+--------+--------+---------
>>> RxCan1[410] Avg| 10.00| 0.1643| 0.016
>>> Peak| | 0.1839| 1.634
>>> ---------------+--------+--------+---------
>>> RxCan1[411] Avg| 10.00| 0.1532| 0.013
>>> Peak| | 0.1645| 0.824
>>> ---------------+--------+--------+---------
>>> RxCan1[416] Avg| 10.00| 0.1516| 0.016
>>> Peak| | 0.1582| 0.807
>>> ---------------+--------+--------+---------
>>> RxCan1[421] Avg| 10.00| 0.1648| 0.013
>>> Peak| | 0.1740| 0.839
>>> ---------------+--------+--------+---------
>>> RxCan1[42d] Avg| 10.00| 0.1548| 0.014
>>> Peak| | 0.1658| 0.741
>>> ---------------+--------+--------+---------
>>> RxCan1[42f] Avg| 10.00| 0.1527| 0.013
>>> Peak| | 0.1578| 0.667
>>> ---------------+--------+--------+---------
>>> RxCan1[430] Avg| 10.00| 0.1730| 0.016
>>> Peak| | 0.1880| 1.209
>>> ---------------+--------+--------+---------
>>> RxCan1[434] Avg| 10.00| 0.1620| 0.021
>>> Peak| | 0.1712| 1.140
>>> ---------------+--------+--------+---------
>>> RxCan1[435] Avg| 6.66| 0.1104| 0.014
>>> Peak| | 0.1121| 1.011
>>> ---------------+--------+--------+---------
>>> RxCan1[43e] Avg| 20.00| 0.3194| 0.013
>>> Peak| | 0.3434| 1.212
>>> ---------------+--------+--------+---------
>>> RxCan1[440] Avg| 1.00| 0.0160| 0.014
>>> Peak| | 0.0175| 0.315
>>> ---------------+--------+--------+---------
>>> RxCan1[465] Avg| 1.00| 0.0172| 0.015
>>> Peak| | 0.0194| 0.404
>>> ---------------+--------+--------+---------
>>> RxCan1[466] Avg| 1.00| 0.0198| 0.015
>>> Peak| | 0.0252| 0.890
>>> ---------------+--------+--------+---------
>>> RxCan1[467] Avg| 1.00| 0.0152| 0.014
>>> Peak| | 0.0160| 0.217
>>> ---------------+--------+--------+---------
>>> RxCan1[472] Avg| 0.70| 0.0533| 0.075
>>> Peak| | 0.0546| 0.990
>>> ---------------+--------+--------+---------
>>> RxCan1[473] Avg| 0.65| 0.0325| 0.051
>>> Peak| | 0.0361| 0.774
>>> ---------------+--------+--------+---------
>>> RxCan1[474] Avg| 1.00| 0.0146| 0.014
>>> Peak| | 0.0151| 0.189
>>> ---------------+--------+--------+---------
>>> RxCan1[475] Avg| 2.00| 0.0332| 0.015
>>> Peak| | 0.0362| 0.513
>>> ---------------+--------+--------+---------
>>> RxCan1[476] Avg| 2.00| 0.0305| 0.014
>>> Peak| | 0.0307| 0.249
>>> ---------------+--------+--------+---------
>>> RxCan1[477] Avg| 2.00| 0.0309| 0.014
>>> Peak| | 0.0311| 0.438
>>> ---------------+--------+--------+---------
>>> RxCan1[595] Avg| 1.00| 0.0151| 0.014
>>> Peak| | 0.0160| 0.230
>>> ---------------+--------+--------+---------
>>> RxCan1[59e] Avg| 1.00| 0.0179| 0.015
>>> Peak| | 0.0209| 0.716
>>> ---------------+--------+--------+---------
>>> RxCan1[5a2] Avg| 1.00| 0.0154| 0.016
>>> Peak| | 0.0184| 0.699
>>> ---------------+--------+--------+---------
>>> RxCan1[5ba] Avg| 1.00| 0.0159| 0.017
>>> Peak| | 0.0174| 0.485
>>> ---------------+--------+--------+---------
>>> RxCan2[010] Avg| 0.00| 0.0000| 0.015
>>> Peak| | 0.0000| 0.146
>>> ---------------+--------+--------+---------
>>> RxCan2[020] Avg| 31.10| 0.5159| 0.015
>>> Peak| | 0.5730| 0.992
>>> ---------------+--------+--------+---------
>>> RxCan2[030] Avg| 20.70| 0.3506| 0.016
>>> Peak| | 0.3956| 1.055
>>> ---------------+--------+--------+---------
>>> RxCan2[03a] Avg| 18.65| 0.3157| 0.014
>>> Peak| | 0.3292| 0.702
>>> ---------------+--------+--------+---------
>>> RxCan2[040] Avg| 18.60| 0.3111| 0.015
>>> Peak| | 0.3474| 0.953
>>> ---------------+--------+--------+---------
>>> RxCan2[060] Avg| 18.60| 0.3182| 0.014
>>> Peak| | 0.3569| 0.694
>>> ---------------+--------+--------+---------
>>> RxCan2[070] Avg| 15.55| 0.4581| 0.017
>>> Peak| | 0.6859| 39.212
>>> ---------------+--------+--------+---------
>>> RxCan2[080] Avg| 15.50| 0.5041| 0.029
>>> Peak| | 0.5414| 1.555
>>> ---------------+--------+--------+---------
>>> RxCan2[083] Avg| 18.70| 0.3083| 0.014
>>> Peak| | 0.3325| 0.557
>>> ---------------+--------+--------+---------
>>> RxCan2[090] Avg| 23.40| 0.3961| 0.014
>>> Peak| | 0.4445| 1.218
>>> ---------------+--------+--------+---------
>>> RxCan2[0a0] Avg| 15.55| 0.2734| 0.014
>>> Peak| | 0.3144| 1.062
>>> ---------------+--------+--------+---------
>>> RxCan2[100] Avg| 15.50| 0.2645| 0.016
>>> Peak| | 0.2875| 1.021
>>> ---------------+--------+--------+---------
>>> RxCan2[108] Avg| 23.40| 0.4231| 0.016
>>> Peak| | 0.4680| 1.297
>>> ---------------+--------+--------+---------
>>> RxCan2[110] Avg| 15.55| 0.2467| 0.014
>>> Peak| | 0.2684| 0.475
>>> ---------------+--------+--------+---------
>>> RxCan2[130] Avg| 13.30| 0.2231| 0.014
>>> Peak| | 0.2447| 0.512
>>> ---------------+--------+--------+---------
>>> RxCan2[150] Avg| 15.50| 0.2533| 0.015
>>> Peak| | 0.2836| 0.823
>>> ---------------+--------+--------+---------
>>> RxCan2[160] Avg| 4.70| 0.0784| 0.014
>>> Peak| | 0.0863| 0.608
>>> ---------------+--------+--------+---------
>>> RxCan2[180] Avg| 15.55| 0.2713| 0.015
>>> Peak| | 0.2841| 0.884
>>> ---------------+--------+--------+---------
>>> RxCan2[190] Avg| 15.50| 0.2596| 0.014
>>> Peak| | 0.2825| 0.743
>>> ---------------+--------+--------+---------
>>> RxCan2[1a0] Avg| 0.95| 0.0164| 0.015
>>> Peak| | 0.0164| 0.346
>>> ---------------+--------+--------+---------
>>> RxCan2[1a4] Avg| 18.65| 0.3232| 0.015
>>> Peak| | 0.3515| 0.989
>>> ---------------+--------+--------+---------
>>> RxCan2[1a8] Avg| 11.60| 0.1911| 0.016
>>> Peak| | 0.2012| 0.757
>>> ---------------+--------+--------+---------
>>> RxCan2[1b0] Avg| 9.35| 0.1558| 0.016
>>> Peak| | 0.1641| 0.795
>>> ---------------+--------+--------+---------
>>> RxCan2[1b4] Avg| 9.35| 0.1543| 0.015
>>> Peak| | 0.1617| 1.217
>>> ---------------+--------+--------+---------
>>> RxCan2[1b8] Avg| 11.65| 0.2003| 0.014
>>> Peak| | 0.2236| 1.549
>>> ---------------+--------+--------+---------
>>> RxCan2[1c0] Avg| 9.40| 0.1532| 0.016
>>> Peak| | 0.1673| 0.955
>>> ---------------+--------+--------+---------
>>> RxCan2[1e0] Avg| 9.30| 0.1582| 0.015
>>> Peak| | 0.1708| 0.661
>>> ---------------+--------+--------+---------
>>> RxCan2[215] Avg| 7.80| 0.1409| 0.016
>>> Peak| | 0.1531| 0.660
>>> ---------------+--------+--------+---------
>>> RxCan2[217] Avg| 7.80| 0.1239| 0.014
>>> Peak| | 0.1333| 0.520
>>> ---------------+--------+--------+---------
>>> RxCan2[220] Avg| 6.20| 0.1041| 0.015
>>> Peak| | 0.1094| 0.652
>>> ---------------+--------+--------+---------
>>> RxCan2[225] Avg| 23.40| 0.4648| 0.015
>>> Peak| | 0.4696| 4.288
>>> ---------------+--------+--------+---------
>>> RxCan2[230] Avg| 6.20| 0.3120| 0.048
>>> Peak| | 0.3377| 1.065
>>> ---------------+--------+--------+---------
>>> RxCan2[240] Avg| 7.70| 0.1248| 0.014
>>> Peak| | 0.1364| 0.635
>>> ---------------+--------+--------+---------
>>> RxCan2[241] Avg| 18.60| 0.3258| 0.014
>>> Peak| | 0.3343| 1.288
>>> ---------------+--------+--------+---------
>>> RxCan2[250] Avg| 4.70| 0.0761| 0.014
>>> Peak| | 0.0809| 0.322
>>> ---------------+--------+--------+---------
>>> RxCan2[255] Avg| 11.75| 0.2058| 0.014
>>> Peak| | 0.2283| 0.937
>>> ---------------+--------+--------+---------
>>> RxCan2[265] Avg| 11.65| 0.1964| 0.014
>>> Peak| | 0.2068| 0.965
>>> ---------------+--------+--------+---------
>>> RxCan2[270] Avg| 4.70| 0.0808| 0.016
>>> Peak| | 0.0949| 0.729
>>> ---------------+--------+--------+---------
>>> RxCan2[290] Avg| 3.15| 0.0498| 0.015
>>> Peak| | 0.0504| 0.449
>>> ---------------+--------+--------+---------
>>> RxCan2[295] Avg| 6.25| 0.1019| 0.014
>>> Peak| | 0.1094| 0.859
>>> ---------------+--------+--------+---------
>>> RxCan2[2a0] Avg| 3.15| 0.0550| 0.014
>>> Peak| | 0.0551| 0.779
>>> ---------------+--------+--------+---------
>>> RxCan2[2a7] Avg| 11.65| 0.1929| 0.014
>>> Peak| | 0.2080| 0.775
>>> ---------------+--------+--------+---------
>>> RxCan2[2b0] Avg| 3.00| 0.0497| 0.015
>>> Peak| | 0.0562| 0.528
>>> ---------------+--------+--------+---------
>>> RxCan2[2c0] Avg| 3.10| 0.0534| 0.016
>>> Peak| | 0.0592| 0.501
>>> ---------------+--------+--------+---------
>>> RxCan2[2e0] Avg| 1.55| 0.0247| 0.014
>>> Peak| | 0.0289| 0.319
>>> ---------------+--------+--------+---------
>>> RxCan2[2f0] Avg| 1.55| 0.0244| 0.014
>>> Peak| | 0.0273| 0.192
>>> ---------------+--------+--------+---------
>>> RxCan2[2f5] Avg| 11.65| 0.2078| 0.016
>>> Peak| | 0.2333| 0.879
>>> ---------------+--------+--------+---------
>>> RxCan2[300] Avg| 1.60| 0.0266| 0.018
>>> Peak| | 0.0278| 0.724
>>> ---------------+--------+--------+---------
>>> RxCan2[310] Avg| 1.55| 0.0276| 0.016
>>> Peak| | 0.0285| 0.759
>>> ---------------+--------+--------+---------
>>> RxCan2[320] Avg| 1.60| 0.0240| 0.014
>>> Peak| | 0.0258| 0.179
>>> ---------------+--------+--------+---------
>>> RxCan2[326] Avg| 9.30| 0.1550| 0.014
>>> Peak| | 0.1582| 0.850
>>> ---------------+--------+--------+---------
>>> RxCan2[330] Avg| 29.95| 0.5311| 0.015
>>> Peak| | 0.5565| 4.522
>>> ---------------+--------+--------+---------
>>> RxCan2[340] Avg| 7.75| 0.1693| 0.024
>>> Peak| | 0.1868| 1.148
>>> ---------------+--------+--------+---------
>>> RxCan2[345] Avg| 1.60| 0.0292| 0.016
>>> Peak| | 0.0316| 0.471
>>> ---------------+--------+--------+---------
>>> RxCan2[350] Avg| 0.00| 0.0000| 0.019
>>> Peak| | 0.0000| 0.188
>>> ---------------+--------+--------+---------
>>> RxCan2[35e] Avg| 4.70| 0.0851| 0.019
>>> Peak| | 0.0911| 1.023
>>> ---------------+--------+--------+---------
>>> RxCan2[360] Avg| 1.60| 0.0258| 0.015
>>> Peak| | 0.0284| 0.306
>>> ---------------+--------+--------+---------
>>> RxCan2[361] Avg| 7.75| 0.1341| 0.017
>>> Peak| | 0.1487| 0.761
>>> ---------------+--------+--------+---------
>>> RxCan2[363] Avg| 1.20| 0.0203| 0.016
>>> Peak| | 0.0220| 0.421
>>> ---------------+--------+--------+---------
>>> RxCan2[370] Avg| 0.85| 0.0140| 0.016
>>> Peak| | 0.0162| 0.354
>>> ---------------+--------+--------+---------
>>> RxCan2[381] Avg| 3.15| 0.0512| 0.016
>>> Peak| | 0.0546| 0.416
>>> ---------------+--------+--------+---------
>>> RxCan2[3a0] Avg| 15.60| 0.2548| 0.015
>>> Peak| | 0.2890| 0.976
>>> ---------------+--------+--------+---------
>>> RxCan2[3d0] Avg| 9.35| 0.1553| 0.019
>>> Peak| | 0.1612| 1.115
>>> ---------------+--------+--------+---------
>>> RxCan2[3d5] Avg| 5.15| 0.0836| 0.016
>>> Peak| | 0.0867| 0.479
>>> ---------------+--------+--------+---------
>>> RxCan2[3e0] Avg| 0.00| 0.0000| 0.014
>>> Peak| | 0.0000| 0.142
>>> ---------------+--------+--------+---------
>>> RxCan2[400] Avg| 3.55| 0.0613| 0.017
>>> Peak| | 0.0695| 0.501
>>> ---------------+--------+--------+---------
>>> RxCan2[405] Avg| 3.50| 0.0584| 0.018
>>> Peak| | 0.0626| 0.686
>>> ---------------+--------+--------+---------
>>> RxCan2[40a] Avg| 7.10| 0.1278| 0.017
>>> Peak| | 0.1389| 1.244
>>> ---------------+--------+--------+---------
>>> RxCan2[415] Avg| 1.60| 0.0258| 0.014
>>> Peak| | 0.0287| 0.266
>>> ---------------+--------+--------+---------
>>> RxCan2[435] Avg| 0.85| 0.0165| 0.019
>>> Peak| | 0.0167| 0.367
>>> ---------------+--------+--------+---------
>>> RxCan2[440] Avg| 0.85| 0.0128| 0.019
>>> Peak| | 0.0141| 0.885
>>> ---------------+--------+--------+---------
>>> RxCan2[465] Avg| 0.95| 0.0177| 0.016
>>> Peak| | 0.0195| 0.721
>>> ---------------+--------+--------+---------
>>> RxCan2[466] Avg| 0.95| 0.0147| 0.014
>>> Peak| | 0.0160| 0.184
>>> ---------------+--------+--------+---------
>>> RxCan2[467] Avg| 0.95| 0.0172| 0.017
>>> Peak| | 0.0188| 0.391
>>> ---------------+--------+--------+---------
>>> RxCan2[501] Avg| 1.45| 0.0273| 0.016
>>> Peak| | 0.0327| 0.996
>>> ---------------+--------+--------+---------
>>> RxCan2[503] Avg| 1.45| 0.0288| 0.020
>>> Peak| | 0.0338| 0.970
>>> ---------------+--------+--------+---------
>>> RxCan2[504] Avg| 1.40| 0.0241| 0.015
>>> Peak| | 0.0263| 0.609
>>> ---------------+--------+--------+---------
>>> RxCan2[505] Avg| 1.40| 0.0255| 0.015
>>> Peak| | 0.0296| 0.866
>>> ---------------+--------+--------+---------
>>> RxCan2[508] Avg| 1.35| 0.0237| 0.017
>>> Peak| | 0.0237| 0.384
>>> ---------------+--------+--------+---------
>>> RxCan2[511] Avg| 1.35| 0.0226| 0.016
>>> Peak| | 0.0228| 0.426
>>> ---------------+--------+--------+---------
>>> RxCan2[51e] Avg| 1.40| 0.0221| 0.014
>>> Peak| | 0.0245| 0.211
>>> ---------------+--------+--------+---------
>>> RxCan2[581] Avg| 0.80| 0.0189| 0.019
>>> Peak| | 0.0290| 1.217
>>> ---------------+--------+--------+---------
>>> RxCan2[606] Avg| 0.00| 0.0000| 0.014
>>> Peak| | 0.0000| 0.142
>>> ---------------+--------+--------+---------
>>> RxCan2[657] Avg| 0.00| 0.0000| 0.014
>>> Peak| | 0.0000| 0.137
>>> ---------------+--------+--------+---------
>>> Cmd:State Avg| 0.00| 0.0000| 0.002
>>> Peak| | 0.0000| 0.024
>>> ===============+========+========+=========
>>> Total Avg| 2748.42| 58.3344| 28.718
>>>
>>> @Simon: it would be an option to try commenting out the overflow
>>> counting, to see if that's causing the issue.
>>>
>>>
>>> I have commented out the line with the Atomic_Increment statement. Now I
>>> no longer receive any messages with “RX Task Queue Overflow Run”
>>> Here is the output of poller times status:
>>>
>>> OVMS# poll time status
>>> Poller timing is: on
>>> Type | count | Utlztn | Time
>>> | per s | [%] | [ms]
>>> ---------------+--------+--------+---------
>>> Poll:PRI Avg| 1.00| 0.0045| 0.004
>>> Peak| | 0.0046| 0.064
>>> ---------------+--------+--------+---------
>>> RxCan1[010] Avg| 34.26| 2.2574| 0.021
>>> Peak| | 2.2574| 4.609
>>> ---------------+--------+--------+---------
>>> RxCan1[030] Avg| 34.26| 2.3820| 0.021
>>> Peak| | 2.3820| 1.135
>>> ---------------+--------+--------+---------
>>> RxCan1[041] Avg| 49.89| 1.2059| 0.021
>>> Peak| | 1.2295| 5.331
>>> ---------------+--------+--------+---------
>>> RxCan1[049] Avg| 49.96| 1.2400| 0.030
>>> Peak| | 1.2699| 1.402
>>> ---------------+--------+--------+---------
>>> RxCan1[04c] Avg| 49.92| 1.1752| 0.021
>>> Peak| | 1.2072| 4.502
>>> ---------------+--------+--------+---------
>>> RxCan1[04d] Avg| 34.31| 2.4433| 0.022
>>> Peak| | 2.4773| 1.368
>>> ---------------+--------+--------+---------
>>> RxCan1[076] Avg| 49.96| 1.2071| 0.024
>>> Peak| | 1.2554| 2.007
>>> ---------------+--------+--------+---------
>>> RxCan1[077] Avg| 49.96| 1.2012| 0.022
>>> Peak| | 1.2492| 1.955
>>> ---------------+--------+--------+---------
>>> RxCan1[07a] Avg| 34.35| 2.9251| 0.030
>>> Peak| | 3.1103| 1.829
>>> ---------------+--------+--------+---------
>>> RxCan1[07d] Avg| 49.96| 1.1954| 0.022
>>> Peak| | 1.2282| 1.074
>>> ---------------+--------+--------+---------
>>> RxCan1[0c8] Avg| 49.89| 1.2491| 0.021
>>> Peak| | 1.3169| 1.181
>>> ---------------+--------+--------+---------
>>> RxCan1[11a] Avg| 34.39| 2.4423| 0.024
>>> Peak| | 2.5693| 1.491
>>> ---------------+--------+--------+---------
>>> RxCan1[130] Avg| 49.95| 1.1312| 0.020
>>> Peak| | 1.1684| 1.218
>>> ---------------+--------+--------+---------
>>> RxCan1[139] Avg| 49.92| 1.1547| 0.021
>>> Peak| | 1.1778| 1.199
>>> ---------------+--------+--------+---------
>>> RxCan1[156] Avg| 9.96| 0.2391| 0.023
>>> Peak| | 0.2591| 1.943
>>> ---------------+--------+--------+---------
>>> RxCan1[160] Avg| 49.96| 1.1657| 0.031
>>> Peak| | 1.2017| 2.158
>>> ---------------+--------+--------+---------
>>> RxCan1[165] Avg| 49.96| 1.1257| 0.021
>>> Peak| | 1.1652| 1.471
>>> ---------------+--------+--------+---------
>>> RxCan1[167] Avg| 34.31| 2.2871| 0.021
>>> Peak| | 2.3374| 1.776
>>> ---------------+--------+--------+---------
>>> RxCan1[171] Avg| 49.96| 1.1879| 0.023
>>> Peak| | 1.2268| 1.166
>>> ---------------+--------+--------+---------
>>> RxCan1[178] Avg| 10.00| 0.2371| 0.029
>>> Peak| | 0.2459| 1.516
>>> ---------------+--------+--------+---------
>>> RxCan1[179] Avg| 10.00| 0.2196| 0.021
>>> Peak| | 0.2260| 0.758
>>> ---------------+--------+--------+---------
>>> RxCan1[180] Avg| 49.96| 1.1703| 0.022
>>> Peak| | 1.2103| 1.481
>>> ---------------+--------+--------+---------
>>> RxCan1[185] Avg| 49.95| 1.1127| 0.020
>>> Peak| | 1.1636| 1.292
>>> ---------------+--------+--------+---------
>>> RxCan1[1a0] Avg| 49.96| 1.1009| 0.020
>>> Peak| | 1.1468| 1.060
>>> ---------------+--------+--------+---------
>>> RxCan1[1e0] Avg| 49.96| 1.1744| 0.021
>>> Peak| | 1.2027| 1.240
>>> ---------------+--------+--------+---------
>>> RxCan1[1e4] Avg| 49.96| 1.3733| 0.032
>>> Peak| | 1.4085| 1.523
>>> ---------------+--------+--------+---------
>>> RxCan1[1f0] Avg| 33.30| 0.7625| 0.023
>>> Peak| | 0.8004| 3.349
>>> ---------------+--------+--------+---------
>>> RxCan1[200] Avg| 49.92| 1.1462| 0.021
>>> Peak| | 1.1809| 1.254
>>> ---------------+--------+--------+---------
>>> RxCan1[202] Avg| 34.39| 2.4034| 0.028
>>> Peak| | 2.5611| 1.472
>>> ---------------+--------+--------+---------
>>> RxCan1[204] Avg| 34.30| 2.2541| 0.022
>>> Peak| | 2.2924| 2.015
>>> ---------------+--------+--------+---------
>>> RxCan1[213] Avg| 49.96| 1.1599| 0.027
>>> Peak| | 1.1794| 1.714
>>> ---------------+--------+--------+---------
>>> RxCan1[214] Avg| 49.96| 1.1537| 0.022
>>> Peak| | 1.1941| 1.439
>>> ---------------+--------+--------+---------
>>> RxCan1[217] Avg| 34.39| 2.2490| 0.020
>>> Peak| | 2.2856| 3.766
>>> ---------------+--------+--------+---------
>>> RxCan1[218] Avg| 49.96| 1.1291| 0.021
>>> Peak| | 1.1646| 1.547
>>> ---------------+--------+--------+---------
>>> RxCan1[230] Avg| 49.96| 1.1272| 0.020
>>> Peak| | 1.2237| 1.295
>>> ---------------+--------+--------+---------
>>> RxCan1[240] Avg| 10.00| 0.2191| 0.021
>>> Peak| | 0.2226| 1.067
>>> ---------------+--------+--------+---------
>>> RxCan1[242] Avg| 24.96| 0.6911| 0.024
>>> Peak| | 0.7161| 1.180
>>> ---------------+--------+--------+---------
>>> RxCan1[24a] Avg| 9.96| 0.2345| 0.024
>>> Peak| | 0.2535| 0.779
>>> ---------------+--------+--------+---------
>>> RxCan1[24b] Avg| 9.96| 0.2433| 0.023
>>> Peak| | 0.2697| 2.085
>>> ---------------+--------+--------+---------
>>> RxCan1[24c] Avg| 9.96| 0.3103| 0.029
>>> Peak| | 0.3203| 0.809
>>> ---------------+--------+--------+---------
>>> RxCan1[25a] Avg| 10.00| 0.2346| 0.022
>>> Peak| | 0.2405| 1.223
>>> ---------------+--------+--------+---------
>>> RxCan1[25b] Avg| 49.89| 1.2121| 0.020
>>> Peak| | 1.3659| 19.523
>>> ---------------+--------+--------+---------
>>> RxCan1[25c] Avg| 34.31| 2.4193| 0.019
>>> Peak| | 2.8022| 58.153
>>> ---------------+--------+--------+---------
>>> RxCan1[260] Avg| 9.93| 0.2149| 0.024
>>> Peak| | 0.2174| 1.096
>>> ---------------+--------+--------+---------
>>> RxCan1[270] Avg| 49.96| 1.2042| 0.026
>>> Peak| | 1.2755| 20.612
>>> ---------------+--------+--------+---------
>>> RxCan1[280] Avg| 49.96| 1.0922| 0.020
>>> Peak| | 1.1312| 1.266
>>> ---------------+--------+--------+---------
>>> RxCan1[2e4] Avg| 19.96| 0.6942| 0.044
>>> Peak| | 0.8604| 1.533
>>> ---------------+--------+--------+---------
>>> RxCan1[2ec] Avg| 10.00| 0.3727| 0.025
>>> Peak| | 0.5154| 28.819
>>> ---------------+--------+--------+---------
>>> RxCan1[2ed] Avg| 10.00| 0.2298| 0.023
>>> Peak| | 0.2378| 1.345
>>> ---------------+--------+--------+---------
>>> RxCan1[2ee] Avg| 9.96| 0.2172| 0.019
>>> Peak| | 0.2210| 1.058
>>> ---------------+--------+--------+---------
>>> RxCan1[312] Avg| 10.00| 0.2206| 0.020
>>> Peak| | 0.2396| 1.060
>>> ---------------+--------+--------+---------
>>> RxCan1[326] Avg| 9.96| 0.2099| 0.020
>>> Peak| | 0.2158| 0.507
>>> ---------------+--------+--------+---------
>>> RxCan1[336] Avg| 1.00| 0.0212| 0.020
>>> Peak| | 0.0233| 0.315
>>> ---------------+--------+--------+---------
>>> RxCan1[352] Avg| 6.64| 0.1675| 0.024
>>> Peak| | 0.1818| 1.048
>>> ---------------+--------+--------+---------
>>> RxCan1[355] Avg| 2.00| 0.0540| 0.027
>>> Peak| | 0.0619| 1.209
>>> ---------------+--------+--------+---------
>>> RxCan1[35e] Avg| 9.98| 0.2221| 0.021
>>> Peak| | 0.2284| 1.186
>>> ---------------+--------+--------+---------
>>> RxCan1[365] Avg| 10.00| 0.2282| 0.023
>>> Peak| | 0.2335| 0.769
>>> ---------------+--------+--------+---------
>>> RxCan1[366] Avg| 10.00| 0.3163| 0.022
>>> Peak| | 0.6330| 23.587
>>> ---------------+--------+--------+---------
>>> RxCan1[367] Avg| 10.00| 0.2417| 0.021
>>> Peak| | 0.2568| 1.417
>>> ---------------+--------+--------+---------
>>> RxCan1[368] Avg| 9.96| 0.2187| 0.019
>>> Peak| | 0.2250| 1.135
>>> ---------------+--------+--------+---------
>>> RxCan1[369] Avg| 9.99| 0.2277| 0.021
>>> Peak| | 0.2334| 0.667
>>> ---------------+--------+--------+---------
>>> RxCan1[380] Avg| 9.96| 0.2133| 0.020
>>> Peak| | 0.2161| 0.560
>>> ---------------+--------+--------+---------
>>> RxCan1[38b] Avg| 24.92| 0.5622| 0.022
>>> Peak| | 0.5716| 1.618
>>> ---------------+--------+--------+---------
>>> RxCan1[3b3] Avg| 10.00| 0.2132| 0.023
>>> Peak| | 0.2194| 1.106
>>> ---------------+--------+--------+---------
>>> RxCan1[400] Avg| 4.00| 0.0885| 0.019
>>> Peak| | 0.0885| 0.570
>>> ---------------+--------+--------+---------
>>> RxCan1[405] Avg| 3.70| 0.1414| 0.036
>>> Peak| | 0.1414| 0.710
>>> ---------------+--------+--------+---------
>>> RxCan1[40a] Avg| 8.00| 0.1887| 0.021
>>> Peak| | 0.1887| 1.027
>>> ---------------+--------+--------+---------
>>> RxCan1[410] Avg| 10.00| 0.2141| 0.023
>>> Peak| | 0.2188| 0.984
>>> ---------------+--------+--------+---------
>>> RxCan1[411] Avg| 10.00| 0.2325| 0.023
>>> Peak| | 0.2447| 0.660
>>> ---------------+--------+--------+---------
>>> RxCan1[416] Avg| 10.00| 0.2326| 0.022
>>> Peak| | 0.2389| 0.774
>>> ---------------+--------+--------+---------
>>> RxCan1[421] Avg| 10.00| 0.2245| 0.021
>>> Peak| | 0.2271| 1.160
>>> ---------------+--------+--------+---------
>>> RxCan1[42d] Avg| 10.00| 0.2315| 0.021
>>> Peak| | 0.2411| 0.677
>>> ---------------+--------+--------+---------
>>> RxCan1[42f] Avg| 10.00| 0.2480| 0.020
>>> Peak| | 0.2975| 8.093
>>> ---------------+--------+--------+---------
>>> RxCan1[430] Avg| 10.00| 0.2203| 0.019
>>> Peak| | 0.2302| 0.847
>>> ---------------+--------+--------+---------
>>> RxCan1[434] Avg| 10.00| 0.2331| 0.019
>>> Peak| | 0.2620| 1.150
>>> ---------------+--------+--------+---------
>>> RxCan1[435] Avg| 6.68| 0.1445| 0.020
>>> Peak| | 0.1486| 1.063
>>> ---------------+--------+--------+---------
>>> RxCan1[43e] Avg| 20.00| 0.4515| 0.021
>>> Peak| | 0.4632| 1.013
>>> ---------------+--------+--------+---------
>>> RxCan1[440] Avg| 1.00| 0.0210| 0.019
>>> Peak| | 0.0218| 0.294
>>> ---------------+--------+--------+---------
>>> RxCan1[465] Avg| 0.95| 0.0214| 0.023
>>> Peak| | 0.0215| 0.587
>>> ---------------+--------+--------+---------
>>> RxCan1[466] Avg| 0.95| 0.0211| 0.021
>>> Peak| | 0.0215| 0.350
>>> ---------------+--------+--------+---------
>>> RxCan1[467] Avg| 0.95| 0.0191| 0.020
>>> Peak| | 0.0201| 0.444
>>> ---------------+--------+--------+---------
>>> RxCan1[472] Avg| 0.68| 0.0588| 0.085
>>> Peak| | 0.0606| 1.170
>>> ---------------+--------+--------+---------
>>> RxCan1[473] Avg| 0.66| 0.0407| 0.062
>>> Peak| | 0.0492| 1.329
>>> ---------------+--------+--------+---------
>>> RxCan1[474] Avg| 1.00| 0.0218| 0.021
>>> Peak| | 0.0237| 0.278
>>> ---------------+--------+--------+---------
>>> RxCan1[475] Avg| 1.96| 0.0466| 0.024
>>> Peak| | 0.0570| 1.112
>>> ---------------+--------+--------+---------
>>> RxCan1[476] Avg| 2.00| 0.0454| 0.020
>>> Peak| | 0.0497| 0.409
>>> ---------------+--------+--------+---------
>>> RxCan1[477] Avg| 2.00| 0.0497| 0.022
>>> Peak| | 0.0595| 0.864
>>> ---------------+--------+--------+---------
>>> RxCan1[595] Avg| 1.00| 0.0223| 0.021
>>> Peak| | 0.0241| 0.296
>>> ---------------+--------+--------+---------
>>> RxCan1[59e] Avg| 1.00| 0.0233| 0.024
>>> Peak| | 0.0289| 0.713
>>> ---------------+--------+--------+---------
>>> RxCan1[5a2] Avg| 1.00| 0.0200| 0.020
>>> Peak| | 0.0204| 0.264
>>> ---------------+--------+--------+---------
>>> RxCan1[5ba] Avg| 1.00| 0.0206| 0.021
>>> Peak| | 0.0238| 0.515
>>> ---------------+--------+--------+---------
>>> RxCan2[020] Avg| 33.30| 0.7938| 0.022
>>> Peak| | 0.7938| 4.793
>>> ---------------+--------+--------+---------
>>> RxCan2[030] Avg| 22.20| 0.5229| 0.022
>>> Peak| | 0.5229| 0.985
>>> ---------------+--------+--------+---------
>>> RxCan2[03a] Avg| 19.90| 0.4700| 0.022
>>> Peak| | 0.4700| 0.804
>>> ---------------+--------+--------+---------
>>> RxCan2[040] Avg| 19.90| 0.4678| 0.023
>>> Peak| | 0.4678| 1.222
>>> ---------------+--------+--------+---------
>>> RxCan2[060] Avg| 20.00| 0.6480| 0.050
>>> Peak| | 0.6480| 20.997
>>> ---------------+--------+--------+---------
>>> RxCan2[070] Avg| 16.60| 0.3944| 0.022
>>> Peak| | 0.3944| 1.053
>>> ---------------+--------+--------+---------
>>> RxCan2[080] Avg| 16.70| 0.7032| 0.041
>>> Peak| | 0.7032| 1.611
>>> ---------------+--------+--------+---------
>>> RxCan2[083] Avg| 20.10| 0.4329| 0.021
>>> Peak| | 0.4329| 0.520
>>> ---------------+--------+--------+---------
>>> RxCan2[090] Avg| 24.90| 0.5674| 0.017
>>> Peak| | 0.5674| 1.149
>>> ---------------+--------+--------+---------
>>> RxCan2[0a0] Avg| 16.60| 0.3836| 0.023
>>> Peak| | 0.3836| 0.933
>>> ---------------+--------+--------+---------
>>> RxCan2[100] Avg| 16.50| 0.3661| 0.021
>>> Peak| | 0.3661| 0.740
>>> ---------------+--------+--------+---------
>>> RxCan2[108] Avg| 24.90| 0.5923| 0.025
>>> Peak| | 0.5923| 0.859
>>> ---------------+--------+--------+---------
>>> RxCan2[110] Avg| 16.70| 0.3906| 0.023
>>> Peak| | 0.3906| 0.697
>>> ---------------+--------+--------+---------
>>> RxCan2[130] Avg| 14.40| 0.3341| 0.022
>>> Peak| | 0.3341| 0.829
>>> ---------------+--------+--------+---------
>>> RxCan2[150] Avg| 16.50| 0.4025| 0.020
>>> Peak| | 0.4025| 1.120
>>> ---------------+--------+--------+---------
>>> RxCan2[160] Avg| 4.90| 0.1252| 0.025
>>> Peak| | 0.1252| 0.502
>>> ---------------+--------+--------+---------
>>> RxCan2[180] Avg| 16.60| 0.3899| 0.023
>>> Peak| | 0.3899| 0.799
>>> ---------------+--------+--------+---------
>>> RxCan2[190] Avg| 16.60| 0.3892| 0.025
>>> Peak| | 0.3892| 1.172
>>> ---------------+--------+--------+---------
>>> RxCan2[1a0] Avg| 1.00| 0.0281| 0.025
>>> Peak| | 0.0281| 0.695
>>> ---------------+--------+--------+---------
>>> RxCan2[1a4] Avg| 20.00| 0.4525| 0.022
>>> Peak| | 0.4525| 1.231
>>> ---------------+--------+--------+---------
>>> RxCan2[1a8] Avg| 12.50| 0.2886| 0.020
>>> Peak| | 0.2886| 1.048
>>> ---------------+--------+--------+---------
>>> RxCan2[1b0] Avg| 10.00| 0.2300| 0.023
>>> Peak| | 0.2300| 0.579
>>> ---------------+--------+--------+---------
>>> RxCan2[1b4] Avg| 10.00| 0.2334| 0.022
>>> Peak| | 0.2334| 0.947
>>> ---------------+--------+--------+---------
>>> RxCan2[1b8] Avg| 12.40| 0.2970| 0.023
>>> Peak| | 0.2970| 0.909
>>> ---------------+--------+--------+---------
>>> RxCan2[1c0] Avg| 10.00| 0.2257| 0.021
>>> Peak| | 0.2257| 0.983
>>> ---------------+--------+--------+---------
>>> RxCan2[1e0] Avg| 10.00| 0.2141| 0.023
>>> Peak| | 0.2141| 0.556
>>> ---------------+--------+--------+---------
>>> RxCan2[215] Avg| 8.30| 0.2047| 0.025
>>> Peak| | 0.2047| 0.786
>>> ---------------+--------+--------+---------
>>> RxCan2[217] Avg| 8.30| 0.2033| 0.022
>>> Peak| | 0.2033| 1.135
>>> ---------------+--------+--------+---------
>>> RxCan2[220] Avg| 6.70| 0.1647| 0.020
>>> Peak| | 0.1647| 0.961
>>> ---------------+--------+--------+---------
>>> RxCan2[225] Avg| 24.90| 0.6136| 0.026
>>> Peak| | 0.6136| 1.018
>>> ---------------+--------+--------+---------
>>> RxCan2[230] Avg| 6.70| 0.4045| 0.057
>>> Peak| | 0.4045| 1.532
>>> ---------------+--------+--------+---------
>>> RxCan2[240] Avg| 8.20| 0.1849| 0.021
>>> Peak| | 0.1849| 0.510
>>> ---------------+--------+--------+---------
>>> RxCan2[241] Avg| 20.00| 0.4312| 0.021
>>> Peak| | 0.4312| 5.110
>>> ---------------+--------+--------+---------
>>> RxCan2[250] Avg| 5.00| 0.1072| 0.021
>>> Peak| | 0.1072| 0.320
>>> ---------------+--------+--------+---------
>>> RxCan2[255] Avg| 12.50| 0.3091| 0.022
>>> Peak| | 0.3091| 0.904
>>> ---------------+--------+--------+---------
>>> RxCan2[265] Avg| 12.50| 0.2819| 0.021
>>> Peak| | 0.2819| 1.035
>>> ---------------+--------+--------+---------
>>> RxCan2[270] Avg| 5.00| 0.1189| 0.022
>>> Peak| | 0.1189| 0.631
>>> ---------------+--------+--------+---------
>>> RxCan2[290] Avg| 3.30| 0.0740| 0.023
>>> Peak| | 0.0740| 0.455
>>> ---------------+--------+--------+---------
>>> RxCan2[295] Avg| 6.60| 0.1431| 0.023
>>> Peak| | 0.1431| 0.504
>>> ---------------+--------+--------+---------
>>> RxCan2[2a0] Avg| 3.30| 0.0686| 0.020
>>> Peak| | 0.0686| 0.445
>>> ---------------+--------+--------+---------
>>> RxCan2[2a7] Avg| 12.50| 0.2869| 0.021
>>> Peak| | 0.2869| 0.660
>>> ---------------+--------+--------+---------
>>> RxCan2[2b0] Avg| 3.20| 0.0707| 0.023
>>> Peak| | 0.0707| 0.331
>>> ---------------+--------+--------+---------
>>> RxCan2[2c0] Avg| 3.20| 0.0988| 0.026
>>> Peak| | 0.0988| 0.932
>>> ---------------+--------+--------+---------
>>> RxCan2[2e0] Avg| 1.60| 0.0388| 0.024
>>> Peak| | 0.0388| 0.393
>>> ---------------+--------+--------+---------
>>> RxCan2[2f0] Avg| 1.70| 0.0376| 0.021
>>> Peak| | 0.0376| 0.282
>>> ---------------+--------+--------+---------
>>> RxCan2[2f5] Avg| 12.50| 0.2833| 0.021
>>> Peak| | 0.2833| 0.855
>>> ---------------+--------+--------+---------
>>> RxCan2[300] Avg| 1.70| 0.0398| 0.023
>>> Peak| | 0.0398| 0.488
>>> ---------------+--------+--------+---------
>>> RxCan2[310] Avg| 1.60| 0.0480| 0.026
>>> Peak| | 0.0480| 0.937
>>> ---------------+--------+--------+---------
>>> RxCan2[320] Avg| 1.70| 0.0346| 0.020
>>> Peak| | 0.0346| 0.370
>>> ---------------+--------+--------+---------
>>> RxCan2[326] Avg| 9.90| 0.2200| 0.022
>>> Peak| | 0.2200| 0.502
>>> ---------------+--------+--------+---------
>>> RxCan2[330] Avg| 32.30| 0.7323| 0.021
>>> Peak| | 0.7323| 1.130
>>> ---------------+--------+--------+---------
>>> RxCan2[340] Avg| 8.20| 0.2375| 0.028
>>> Peak| | 0.2375| 0.578
>>> ---------------+--------+--------+---------
>>> RxCan2[345] Avg| 1.60| 0.0393| 0.022
>>> Peak| | 0.0393| 0.590
>>> ---------------+--------+--------+---------
>>> RxCan2[35e] Avg| 5.00| 0.1303| 0.023
>>> Peak| | 0.1303| 0.943
>>> ---------------+--------+--------+---------
>>> RxCan2[360] Avg| 1.70| 0.0381| 0.025
>>> Peak| | 0.0381| 0.922
>>> ---------------+--------+--------+---------
>>> RxCan2[361] Avg| 8.20| 0.1907| 0.023
>>> Peak| | 0.1907| 1.119
>>> ---------------+--------+--------+---------
>>> RxCan2[363] Avg| 1.30| 0.0337| 0.024
>>> Peak| | 0.0337| 0.425
>>> ---------------+--------+--------+---------
>>> RxCan2[370] Avg| 0.90| 0.0194| 0.022
>>> Peak| | 0.0194| 0.246
>>> ---------------+--------+--------+---------
>>> RxCan2[381] Avg| 3.20| 0.0684| 0.024
>>> Peak| | 0.0684| 0.828
>>> ---------------+--------+--------+---------
>>> RxCan2[3a0] Avg| 16.60| 0.3734| 0.022
>>> Peak| | 0.3734| 0.636
>>> ---------------+--------+--------+---------
>>> RxCan2[3d0] Avg| 10.00| 0.2262| 0.023
>>> Peak| | 0.2262| 0.663
>>> ---------------+--------+--------+---------
>>> RxCan2[3d5] Avg| 5.60| 0.1335| 0.022
>>> Peak| | 0.1335| 1.222
>>> ---------------+--------+--------+---------
>>> RxCan2[400] Avg| 4.00| 0.0949| 0.022
>>> Peak| | 0.0949| 0.715
>>> ---------------+--------+--------+---------
>>> RxCan2[405] Avg| 3.70| 0.0861| 0.022
>>> Peak| | 0.0861| 0.443
>>> ---------------+--------+--------+---------
>>> RxCan2[40a] Avg| 8.00| 0.1853| 0.021
>>> Peak| | 0.1853| 0.552
>>> ---------------+--------+--------+---------
>>> RxCan2[415] Avg| 1.60| 0.0341| 0.021
>>> Peak| | 0.0341| 0.273
>>> ---------------+--------+--------+---------
>>> RxCan2[435] Avg| 0.90| 0.0220| 0.025
>>> Peak| | 0.0220| 0.354
>>> ---------------+--------+--------+---------
>>> RxCan2[440] Avg| 0.90| 0.0199| 0.021
>>> Peak| | 0.0199| 0.266
>>> ---------------+--------+--------+---------
>>> RxCan2[465] Avg| 0.90| 0.0234| 0.028
>>> Peak| | 0.0234| 0.633
>>> ---------------+--------+--------+---------
>>> RxCan2[466] Avg| 1.00| 0.0222| 0.021
>>> Peak| | 0.0222| 0.322
>>> ---------------+--------+--------+---------
>>> RxCan2[467] Avg| 1.00| 0.0221| 0.020
>>> Peak| | 0.0221| 0.355
>>> ---------------+--------+--------+---------
>>> RxCan2[501] Avg| 1.50| 0.0335| 0.023
>>> Peak| | 0.0335| 0.393
>>> ---------------+--------+--------+---------
>>> RxCan2[503] Avg| 1.50| 0.0370| 0.022
>>> Peak| | 0.0370| 0.546
>>> ---------------+--------+--------+---------
>>> RxCan2[504] Avg| 1.40| 0.0328| 0.022
>>> Peak| | 0.0328| 0.489
>>> ---------------+--------+--------+---------
>>> RxCan2[505] Avg| 1.40| 0.0290| 0.021
>>> Peak| | 0.0290| 0.354
>>> ---------------+--------+--------+---------
>>> RxCan2[508] Avg| 1.40| 0.0318| 0.023
>>> Peak| | 0.0318| 0.408
>>> ---------------+--------+--------+---------
>>> RxCan2[511] Avg| 1.40| 0.0306| 0.022
>>> Peak| | 0.0306| 0.328
>>> ---------------+--------+--------+---------
>>> RxCan2[51e] Avg| 1.40| 0.0310| 0.022
>>> Peak| | 0.0310| 0.269
>>> ---------------+--------+--------+---------
>>> RxCan2[581] Avg| 1.00| 0.0222| 0.022
>>> Peak| | 0.0222| 0.256
>>> ---------------+--------+--------+---------
>>> Cmd:State Avg| 0.00| 0.0000| 0.002
>>> Peak| | 0.0000| 0.024
>>> ===============+========+========+=========
>>> Total Avg| 2795.57| 82.7745| 40.174
>>>
>>> Cheers,
>>> Simon
>>>
>>> Am 17.01.2025 um 17:49 schrieb Michael Balzer via OvmsDev:
>>>
>>> OK, I've got a new idea: CAN timing.
>>>
>>> Comparing our esp32can bit timing to the esp-idf driver's, there seem to
>>> be some differences:
>>>
>>> https://github.com/espressif/esp-idf/blob/master/components/hal/include/hal/twai_types_deprecated.h#L75
>>>
>>> Transceivers are normally tolerant to small timing offsets. Maybe being
>>> off a little bit has no effect under normal conditions, but it has when the
>>> transceiver has to cope with a filled RX queue. That could be causing the
>>> transceiver to slide just out of sync. If the timing gets garbled, the
>>> transceiver would signal errors in the packets to the bus, possibly so many
>>> the vehicle ECUs decide to raise an error condition.
>>>
>>> Is that plausible?
>>>
>>> On why the new poller could be causing this (in combination with too
>>> slow processing by the vehicle): as mentioned, the standard CAN listener
>>> mechanism doesn't care about queue overflows. The poller does.
>>> `OvmsPollers::Queue_PollerFrame()` does a log call when Tx/Rx tracing is
>>> enabled, that could even block, but tracing is optional and only meant for
>>> debugging. Not optional is the overflow counting using an atomic uint32.
>>>
>>> The atomic types are said to be fast, but I never checked their actual
>>> implementation on the ESP32. Maybe they can block as well?
>>>
>>> @Simon: it would be an option to try commenting out the overflow
>>> counting, to see if that's causing the issue.
>>>
>>> Regards,
>>> Michael
>>>
>>>
>>> Am 17.01.25 um 15:37 schrieb Chris Box via OvmsDev:
>>>
>>> Yes, I can confirm I've had one experience of the Leaf switching to
>>> Neutral while driving, with a yellow warning symbol on the dash. It refused
>>> to reselect Drive until I had switched the car off and back on. Derek
>>> wasn't so lucky and he need to clear fault codes before the car would work.
>>>
>>> On returning home, I found OVMS was not accessible over a network. I
>>> didn't try a USB cable. Unplugging and reinserting the OBD cable caused
>>> OVMS to rejoin Wi-Fi. However the SD logs showed nothing from the time of
>>> the event. CAN writes are enabled, so it can perform SOC limiting.
>>>
>>> My car has been using this firmware since 21st November, based on the
>>> git master of that day. As a relatively new user of OVMS (only since
>>> October) I don't have much experience of older firmware.
>>>
>>> Perhaps a safeguard should be implemented before releasing a new stable
>>> firmware that will be automatically downloaded by Leaf owners. But I don't
>>> have the expertise to know what that safeguard should be. Derek's
>>> suggestion of 'only CAN write when parked' appears to be a good idea.
>>>
>>> Chris
>>>
>>>
>>> On 2025-01-15 18:18, Derek Caudwell via OvmsDev wrote:
>>>
>>> Since the following email I have high confidence the issue on the Leaf
>>> is related/caused by the poller as there has been no further occurrence and
>>> Chris has also experienced the car going to neutral on the new poller
>>> firmware.
>>>
>>> ....
>>> I haven't ruled out it being a fault with my car yet. Shortly after it
>>> faulted the car was run into so has been off the road for sometime, my
>>> first step was to replace 12V battery. The ovms unit is now unplugged and
>>> if it does not fault over the next month while driving I'll be reasonably
>>> confident
>>>
>>>
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