Commit f9c4923c authored by Vijay Sundar Selvamani's avatar Vijay Sundar Selvamani Committed by Herbert Xu
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Documentation: qat: update debugfs-driver-qat_telemetry for GEN6 devices 



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

Co-developed-by: default avatarGeorge Abraham P <george.abraham.p@intel.com>
Signed-off-by: default avatarGeorge Abraham P <george.abraham.p@intel.com>
Signed-off-by: default avatarVijay Sundar Selvamani <vijay.sundar.selvamani@intel.com>
Signed-off-by: default avatarSuman Kumar Chakraborty <suman.kumar.chakraborty@intel.com>
Reviewed-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c6b012a2

Documentation/ABI/testing/debugfs-driver-qat_telemetry

+7 −3
Original line number Diff line number Diff line
@@ -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.