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Documentation: qat: update debugfs-driver-qat_telemetry for GEN6 devices

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Expands telemetry documentation for supporting QAT GEN6 device. Introduces
new parameters to capture compression, decompression slice utilization and
execution count.

Co-developed-by: George Abraham P <george.abraham.p@intel.com>
Signed-off-by: George Abraham P <george.abraham.p@intel.com>
Signed-off-by: Vijay Sundar Selvamani <vijay.sundar.selvamani@intel.com>
Signed-off-by: Suman Kumar Chakraborty <suman.kumar.chakraborty@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Vijay Sundar Selvamani 2025-07-10 07:39:45 +01:00 • committed by Herbert Xu
parent c6b012a26c
commit f9c4923ca8
1 changed files with 7 additions and 3 deletions
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10
Documentation/ABI/testing/debugfs-driver-qat_telemetry
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@ -32,7 +32,7 @@ Description: (RW) Enables/disables the reporting of telemetry metrics.
echo 0 > /sys/kernel/debug/qat_4xxx_0000:6b:00.0/telemetry/control
This attribute is only available for qat_4xxx devices.
This attribute is only available for qat_4xxx and qat_6xxx devices.
What: /sys/kernel/debug/qat_<device>_<BDF>/telemetry/device_data
Date: March 2024
@ -67,6 +67,10 @@ Description: (RO) Reports device telemetry counters.
exec_xlt<N> execution count of Translator slice N
util_dcpr<N> utilization of Decompression slice N [%]
exec_dcpr<N> execution count of Decompression slice N
util_cnv<N> utilization of Compression and verify slice N [%]
exec_cnv<N> execution count of Compression and verify slice N
util_dcprz<N> utilization of Decompression slice N [%]
exec_dcprz<N> execution count of Decompression slice N
util_pke<N> utilization of PKE N [%]
exec_pke<N> execution count of PKE N
util_ucs<N> utilization of UCS slice N [%]
@ -100,7 +104,7 @@ Description: (RO) Reports device telemetry counters.
If a device lacks of a specific accelerator, the corresponding
attribute is not reported.
This attribute is only available for qat_4xxx devices.
This attribute is only available for qat_4xxx and qat_6xxx devices.
What: /sys/kernel/debug/qat_<device>_<BDF>/telemetry/rp_<A/B/C/D>_data
Date: March 2024
@ -225,4 +229,4 @@ Description: (RW) Selects up to 4 Ring Pairs (RP) to monitor, one per file,
``rp2srv`` from sysfs.
See Documentation/ABI/testing/sysfs-driver-qat for details.
This attribute is only available for qat_4xxx devices.
This attribute is only available for qat_4xxx and qat_6xxx devices.