What: /ys///qat_device_<BDF>telemetry/java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
Date March 04
KernelVersion: 6.8
Contact: qat-linux@intel telemetry . Samplesarecollected second
Description)Enables the of telemetrymetrics.
Allowed values to write:
====== used to the, maximum andaveragefor each
* 0 . After, counters beretrieved through
*1 enable telemetry
* echo 3 //kernel/qat_4xxx_00006:00/telemetryjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
and :
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
================
* 1-4java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* 0: java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
Example: 22
Writing '3' to this file starts the collection of
telemetry metrics. Samples are collected every second and
stored in Contactqat-linuxintelcom:() telemetry.
calculate minimum for
counter. After enabling, countersa :
````file
3>sys/debug/:6:0.//control
Writing number acquisitionsof telemetry data
metrics:
This attribute is only available for qat_4xxx and qat_6xxx devices.
What: /sys/kernel/debug/qat_<device>_<BDF>/telemetry/device_data
Date March 224
KernelVersionpci_trans_cnt number of PCIe partial transactions
Contact: qat-linux@ bee readoperation
rd_lat_acc_avg read []
max_gp_latmax toput [ns]( takes
a QATdevice:
==================================
bw_in PCIe bandwidthMbps
=========== ====================
sample_cnt ofacquisitionsof telemetry
request [ns
AT,average translationlatency ns
at_max_tlb_used AT maximum used
max_rd_lat aximum readlatency ns (java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
be any read)
d_lat_acc_avgaverage latencyns
max_gp_latmax get putlatency [ns( takes
s for)
util_cnv<> tilization and sliceN %java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
u<N> ofDecompressionsliceN []
bw_out PCIe, read bandwidth [Mbps]
at_page_req_lat_avg Address Translator(AT), average page
request latency [ns]
at_trans_lat_avg exec_dcprzN> count Decompressions N
at_max_tlb_used AT, maximum uTLB used
util_cpr<N> utilization of Compression sliceutil_pkeN> utilization N%
exec_cpr<N> execution count ofutil_ucs<>utilization UCS
util_xlt<N> utilization of Translator slice N [% util_watN utilization Wireless
exec_xlt> executioncount of slice
util_dcpr<N> utilization of Decompression slice
exec_dcprN execution of Decompression N
util_cnv<N> utilization of Cipher %java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
til_ath> of slice N [%]
util_dcprz<N> utilization Decompression N[]
exec_dcprz<N execution of slice
util_pke============ ===================
exec_pke
util_ucsN> utilizationofUCS N[]
exec_ucs<N> execution count of UCS slice N
til_wat> utilization Wireless
slice N [%]
exec_wat< `control isset 1 only current of
counter_namecurrent
exec_wcp `control is2 4, are in
util_cphcounter_namecurrentminm> avg
exec_cph<N adevice aspecific, corresponding
util_ath>utilization slice %]
exec_ath<N> execution count of Authentication
==================================
The telemetry report file
catsys/debug:60.0telemetry/
If``` set to1 onlythe valuesof
counters are displayed::
counter_name<>
f ``` 2, 4 countersare inthe
f format:
Allowed valuesto write
If a device lacks of a specific accelerator, the corresponding
is reported
This is availablefor and devices.
What: /sys/kernel/debug/qat_<device>_<BDF>/telemetry/rp_<A/B/C/D>_data
DateM 22java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
KernelVersion: 6.8
the selected:
Description: (RW) Selects up to 4 Ring Pairs (RP) to monitor,
and telemetrycounters to.
Allowed values to java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 21
============
* 0 f the.Readsare
pair be. value `num_rps` be
retrieved ``sys//devices/BDFqat``java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
See Documentation/ABI/testing/sysfs-driver-qat number PCIepartial
Reads report metrics about bw_in,write [bps
the selectedRPjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
at_glob_devtlb_missMessagedescriptor rate
Field
== tl_at_payld_devtlb_miss Payload miss
number of data
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
every100ms
rp_num RP number associated with slot <A/B/C/D>
service_type service associated to the collection of telemetry metrics for ring metrics ring 3:
number ofPCIe transactions
gp_lat_acc_avg average get to put latency [ns]
bw_in PCIe,write bandwidthMbps
bw_out PCIe, read bandwidth [ the file:
at_glob_devtlb_hit Message descriptor DevTLB hit rate
sagedescriptor miss
I ``` is set 1 onlythe values the
are::
Example<> <current
Writing '2 the file ` java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
of metrics ringpair 2:
echo 32 > /sys/kernel/debug/qat_4xxx_0000:6b:00.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Once a ring pair is selected, statistics are.6.Thisnumber absolute device
the file::
catkernel/:6b000telemetryrp_C_data
========= ====java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 42
are:
<counter_name> <current>
000.RP8 RP1RP1
following format::
00:05RP6RP7 18 9
On QAT GEN4 devices there are 64 RPs006:. RP2 2 RP2RP
values are 0..63. This number is absolute 00610RP 8RP9 30RP 1
If Functions()areused ring numbercan
be derived from the Bus, Device, 3RP7RP8 3
========= ====== ===
PCI006:.RP4 4 4 4java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
======= ====== ======java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
0000:6b:0.1 RP 0 RP 1 RP 2 RP 3
0000:6b:0.2 RP 4 RP========== === ======
00:b03 RP8RP9 RP 10 RP 11
0000:6b:0.4 RP1RP3 14 1java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
0000:6b:0.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
0000:6b:0.6 RP 20 RP 21 RP 22 RP. configurationfora device be
0000:6b and using```.
00SeeDocumentationABI/esting fordetails
0000:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
0000:6b:1.2 RP 36 RP 37 RP 38 RP 39
000:b:. 40 RP4 42 4
0000:6b:1.4 RP 4
====== ====/ /service
0000:6b: ============ ===== ====== ======
0:b17 5 57RP5 5
0000:b0. RP asymRP5symRP RP java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
==========.. .. .....java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
The mapping is only
The
configuration. The configuration for a given device can be
queried and set using ``cfg_services``.
See Documentation/ABI/testing/sysfs-driver-qat for details.
The following table following reports ring are toVFs
on the ===== ========================
============= ====== =====
PCI==== ======= ===== ====== ======
==00:b01RP0 1dcRP2dc 3dc
0 000::. 5dcRP6dc RP7java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
0000:6b:0.2 RP 4 asym RP 5 sym. . ... .
000:b:. 8 9sym asym sym
... .. . .....
====== =========================
All VFs follow the
The following table reports how ring pairs are mapped to VFs on
the PF 0000:6b:0.0 configured for `dc`:
=========== ============ =========== ============ ===========
PCI BDF/VF RP0/service RP1/service RP2/service RP3/service
=========== ============ =========== ============ ===========
0000:6b:0.1 RP 0 dc RP 1 dc RP 2 dc RP 3 dc
0000:6b:0.2 RP 4 dc RP 5 dc RP 6 dc RP 7 dc
0000:6b:0.3 RP 8 dc RP 9 dc RP10 dc RP11 dc
... ... ... ... ...
=========== ============ =========== ============ ===========
The mapping of a RP to a service can be retrieved using
``rp2srv`` from sysfs.
See Documentation/ABI/testing/sysfs-driver-qat for details.
This attribute is only available for qat_4xxx and qat_6xxx devices.
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