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* changes:
  docs(juno): update PSCI instrumentation data
  docs(n1sdp): update PSCI instrumentation data
This commit is contained in:
Govindraj Raja 2024-11-18 17:19:56 +01:00 • committed by TrustedFirmware Code Review
commit 74c0783d1d
2 changed files with 197 additions and 202 deletions
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224
docs/perf/psci-performance-juno.rst
View file

@ -31,8 +31,8 @@ timestamps, which runs at 50MHz on Juno.
The following source trees and binaries were used:
- `TF-A v2.11-rc0`_
- `TFTF v2.11-rc0`_
- `TF-A v2.12-rc0`_
- `TFTF v2.12-rc0`_
Please see the Runtime Instrumentation :ref:`Testing Methodology
<Runtime Instrumentation Methodology>`
@ -72,6 +72,25 @@ Results
``CPU_SUSPEND`` to deepest power level
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
parallel (v2.12)
+---------+------+-------------------+------------------+--------------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-------------------+------------------+--------------------+
| 0 | 0 | 244.52 (-65.43%) | 26.92 (-32.60%) | 5.54 (-96.70%) |
+---------+------+-------------------+------------------+--------------------+
| 0 | 1 | 526.18 (+105.12%) | 416.1 | 138.52 (+2011.59%) |
+---------+------+-------------------+------------------+--------------------+
| 1 | 0 | 104.34 | 27.02 (-94.62%) | 5.32 |
+---------+------+-------------------+------------------+--------------------+
| 1 | 1 | 384.98 | 23.06 (-85.40%) | 4.48 |
+---------+------+-------------------+------------------+--------------------+
| 1 | 2 | 812.44 (+45.94%) | 126.78 | 4.54 |
+---------+------+-------------------+------------------+--------------------+
| 1 | 3 | 986.84 | 77.22 (+176.58%) | 79.76 |
+---------+------+-------------------+------------------+--------------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
parallel (v2.11)
@ -92,23 +111,23 @@ Results
+---------+------+-------------------+--------------------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
parallel (v2.10)
serial (v2.12)
+---------+------+-------------------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-------------------+--------+-------------+
| 0 | 0 | 242.66 (+132.03%) | 245.1 | 5.4 |
+---------+------+-------------------+--------+-------------+
| 0 | 1 | 522.08 (+35.87%) | 26.24 | 138.32 |
+---------+------+-------------------+--------+-------------+
| 1 | 0 | 104.36 (-57.33%) | 27.1 | 5.32 |
+---------+------+-------------------+--------+-------------+
| 1 | 1 | 382.56 (-42.95%) | 23.34 | 4.42 |
+---------+------+-------------------+--------+-------------+
| 1 | 2 | 807.74 | 271.54 | 4.64 |
+---------+------+-------------------+--------+-------------+
| 1 | 3 | 981.36 | 221.8 | 79.48 |
+---------+------+-------------------+--------+-------------+
+---------+------+-----------+-----------------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+-----------------+-------------+
| 0 | 0 | 236.36 | 27.94 (-31.52%) | 138.0 |
+---------+------+-----------+-----------------+-------------+
| 0 | 1 | 236.58 | 27.86 (-31.72%) | 138.2 |
+---------+------+-----------+-----------------+-------------+
| 1 | 0 | 280.68 | 27.02 | 77.6 |
+---------+------+-----------+-----------------+-------------+
| 1 | 1 | 101.4 | 22.52 | 4.42 |
+---------+------+-----------+-----------------+-------------+
| 1 | 2 | 100.92 | 22.68 | 4.4 |
+---------+------+-----------+-----------------+-------------+
| 1 | 3 | 100.96 | 22.54 | 4.38 |
+---------+------+-----------+-----------------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
serial (v2.11)
@ -129,28 +148,30 @@ Results
| 1 | 3 | 107.52 | 21.86 | 4.46 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
serial (v2.10)
+---------+------+-----------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+-------------+
| 0 | 0 | 236.84 | 27.1 | 138.36 |
+---------+------+-----------+--------+-------------+
| 0 | 1 | 236.96 | 27.1 | 138.32 |
+---------+------+-----------+--------+-------------+
| 1 | 0 | 280.06 | 26.94 | 77.5 |
+---------+------+-----------+--------+-------------+
| 1 | 1 | 100.76 | 23.42 | 4.36 |
+---------+------+-----------+--------+-------------+
| 1 | 2 | 100.02 | 23.42 | 4.44 |
+---------+------+-----------+--------+-------------+
| 1 | 3 | 100.08 | 23.2 | 4.4 |
+---------+------+-----------+--------+-------------+
``CPU_SUSPEND`` to power level 0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in
parallel (v2.12)
+--------------------------------------------------------------------+
| test_rt_instr_cpu_susp_parallel |
+---------+------+-------------------+-----------------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-------------------+-----------------+-------------+
| 0 | 0 | 663.12 | 19.66 (-39.21%) | 8.26 |
+---------+------+-------------------+-----------------+-------------+
| 0 | 1 | 804.18 | 19.24 (-40.65%) | 8.1 |
+---------+------+-------------------+-----------------+-------------+
| 1 | 0 | 105.58 (-58.80%) | 19.68 | 7.42 |
+---------+------+-------------------+-----------------+-------------+
| 1 | 1 | 245.02 (-39.67%) | 19.8 | 6.82 |
+---------+------+-------------------+-----------------+-------------+
| 1 | 2 | 383.82 (-30.83%) | 18.84 | 7.06 |
+---------+------+-------------------+-----------------+-------------+
| 1 | 3 | 523.36 (+391.23%) | 19.0 | 7.3 |
+---------+------+-------------------+-----------------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in
parallel (v2.11)
@ -170,24 +191,23 @@ Results
| 1 | 3 | 408.16 (+66.94%) | 19.82 | 7.38 |
+---------+------+-------------------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in
parallel (v2.10)
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.12)
+---------+------+-------------------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-------------------+--------+-------------+
| 0 | 0 | 801.04 | 18.66 | 8.22 |
+---------+------+-------------------+--------+-------------+
| 0 | 1 | 661.28 | 19.08 | 7.88 |
+---------+------+-------------------+--------+-------------+
| 1 | 0 | 105.9 (-72.51%) | 20.3 | 7.58 |
+---------+------+-------------------+--------+-------------+
| 1 | 1 | 383.58 (+261.32%) | 20.4 | 7.42 |
+---------+------+-------------------+--------+-------------+
| 1 | 2 | 523.52 | 20.1 | 7.74 |
+---------+------+-------------------+--------+-------------+
| 1 | 3 | 244.5 | 20.16 | 7.56 |
+---------+------+-------------------+--------+-------------+
+---------+------+-----------+-----------------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+-----------------+-------------+
| 0 | 0 | 100.04 | 20.32 (-38.50%) | 5.62 |
+---------+------+-----------+-----------------+-------------+
| 0 | 1 | 99.78 | 20.6 (-36.10%) | 5.42 |
+---------+------+-----------+-----------------+-------------+
| 1 | 0 | 278.28 | 19.52 | 4.32 |
+---------+------+-----------+-----------------+-------------+
| 1 | 1 | 97.3 | 19.44 | 4.26 |
+---------+------+-----------+-----------------+-------------+
| 1 | 2 | 97.56 | 19.52 | 4.32 |
+---------+------+-----------+-----------------+-------------+
| 1 | 3 | 97.52 | 19.46 | 4.26 |
+---------+------+-----------+-----------------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.11)
@ -207,30 +227,30 @@ Results
| 1 | 3 | 104.32 | 19.18 | 4.34 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.10)
+---------+------+-----------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+-------------+
| 0 | 0 | 99.84 | 18.86 | 5.54 |
+---------+------+-----------+--------+-------------+
| 0 | 1 | 100.2 | 18.82 | 5.66 |
+---------+------+-----------+--------+-------------+
| 1 | 0 | 278.12 | 20.56 | 4.48 |
+---------+------+-----------+--------+-------------+
| 1 | 1 | 96.68 | 20.62 | 4.3 |
+---------+------+-----------+--------+-------------+
| 1 | 2 | 96.94 | 20.14 | 4.42 |
+---------+------+-----------+--------+-------------+
| 1 | 3 | 96.68 | 20.46 | 4.32 |
+---------+------+-----------+--------+-------------+
``CPU_OFF`` on all non-lead CPUs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``CPU_OFF`` on all non-lead CPUs in sequence then, ``CPU_SUSPEND`` on the lead
core to the deepest power level.
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.12)
+---------+------+-----------+-----------------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+-----------------+-------------+
| 0 | 0 | 236.3 | 30.88 (-29.30%) | 137.76 |
+---------+------+-----------+-----------------+-------------+
| 0 | 1 | 236.66 | 30.5 (-29.23%) | 138.02 |
+---------+------+-----------+-----------------+-------------+
| 1 | 0 | 175.9 | 27.0 | 77.86 |
+---------+------+-----------+-----------------+-------------+
| 1 | 1 | 100.96 | 27.56 | 4.26 |
+---------+------+-----------+-----------------+-------------+
| 1 | 2 | 101.04 | 26.48 | 4.38 |
+---------+------+-----------+-----------------+-------------+
| 1 | 3 | 101.08 | 26.74 | 4.4 |
+---------+------+-----------+-----------------+-------------+
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.11)
+---------+------+-----------+--------+-------------+
@ -249,29 +269,27 @@ core to the deepest power level.
| 1 | 3 | 107.74 | 25.8 | 4.34 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.10)
+---------------------------------------------------+
| test_rt_instr_cpu_off_serial (latest) |
+---------+------+-----------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+-------------+
| 0 | 0 | 236.04 | 30.02 | 137.9 |
+---------+------+-----------+--------+-------------+
| 0 | 1 | 235.38 | 29.7 | 137.72 |
+---------+------+-----------+--------+-------------+
| 1 | 0 | 175.18 | 26.96 | 77.26 |
+---------+------+-----------+--------+-------------+
| 1 | 1 | 100.56 | 28.34 | 4.32 |
+---------+------+-----------+--------+-------------+
| 1 | 2 | 100.38 | 26.82 | 4.3 |
+---------+------+-----------+--------+-------------+
| 1 | 3 | 100.86 | 26.98 | 4.42 |
+---------+------+-----------+--------+-------------+
``CPU_VERSION`` in parallel
~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (2.12)
+-------------+--------+--------------+
| Cluster | Core | Latency |
+-------------+--------+--------------+
| 0 | 0 | 1.0 |
+-------------+--------+--------------+
| 0 | 1 | 1.02 |
+-------------+--------+--------------+
| 1 | 0 | 0.52 |
+-------------+--------+--------------+
| 1 | 1 | 0.94 |
+-------------+--------+--------------+
| 1 | 2 | 0.94 |
+-------------+--------+--------------+
| 1 | 3 | 0.92 |
+-------------+--------+--------------+
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (2.11)
+-------------+--------+--------------+
@ -290,24 +308,6 @@ core to the deepest power level.
| 1 | 3 | 1.02 |
+-------------+--------+--------------+
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (2.10)
+-------------+--------+----------------------+
| Cluster | Core | Latency |
+-------------+--------+----------------------+
| 0 | 0 | 1.1 (-25.68%) |
+-------------+--------+----------------------+
| 0 | 1 | 1.06 |
+-------------+--------+----------------------+
| 1 | 0 | 0.58 |
+-------------+--------+----------------------+
| 1 | 1 | 0.88 |
+-------------+--------+----------------------+
| 1 | 2 | 0.92 |
+-------------+--------+----------------------+
| 1 | 3 | 0.9 |
+-------------+--------+----------------------+
Annotated Historic Results
--------------------------
@ -530,5 +530,5 @@ effects, given that these measurements are at the nano-second level.
.. _Juno R1 platform: https://developer.arm.com/documentation/100122/latest/
.. _TF master as of 31/01/2017: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/?id=c38b36d
.. _TF-A v2.11-rc0: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/?h=v2.11-rc0
.. _TFTF v2.11-rc0: https://git.trustedfirmware.org/TF-A/tf-a-tests.git/tree/?h=v2.11-rc0
.. _TF-A v2.12-rc0: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/?h=v2.12-rc0
.. _TFTF v2.12-rc0: https://git.trustedfirmware.org/TF-A/tf-a-tests.git/tree/?h=v2.12-rc0

175
docs/perf/psci-performance-n1sdp.rst
View file

@ -6,8 +6,8 @@ contains an SoC consisting of two dual-core Arm N1 clusters.
The following source trees and binaries were used:
- `TF-A v2.11-rc0`_
- `TFTF v2.11-rc0`_
- `TF-A v2.12-rc0`_
- `TFTF v2.12-rc0`_
- SCP/MCP `Prebuilt Images`_
Please see the Runtime Instrumentation :ref:`Testing Methodology
@ -92,6 +92,20 @@ Results
``CPU_SUSPEND`` to deepest power level
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in parallel (v2.12)
+---------+------+----------------+--------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+----------------+--------+----------------+
| 0 | 0 | 2.58 | 24.14 | 0.28 (-69.57%) |
+---------+------+----------------+--------+----------------+
| 0 | 0 | 4.24 (-32.27%) | 40.1 | 0.3 |
+---------+------+----------------+--------+----------------+
| 1 | 0 | 3.58 | 35.54 | 0.28 |
+---------+------+----------------+--------+----------------+
| 1 | 0 | 3.28 | 42.36 | 0.3 |
+---------+------+----------------+--------+----------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in parallel (v2.11)
+---------+------+----------------+--------+----------------+
@ -106,20 +120,19 @@ Results
| 1 | 0 | 3.7 (+40.15%) | 38.1 | 0.28 |
+---------+------+----------------+--------+----------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
parallel (v2.10)
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in serial (v2.12)
+---------+------+----------------+------------------+-----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+----------------+------------------+-----------------+
| 0 | 0 | 2.12 | 23.94 (+137.50%) | 0.42 (-47.50%) |
+---------+------+----------------+------------------+-----------------+
| 0 | 0 | 3.52 | 42.08 (+164.32%) | 0.26 (+62.50%) |
+---------+------+----------------+------------------+-----------------+
| 1 | 0 | 2.76 (-25.00%) | 38.3 (+195.52%) | 0.26 (+62.50%) |
+---------+------+----------------+------------------+-----------------+
| 1 | 0 | 2.64 | 44.56 (+139.83%) | 0.36 (+100.00%) |
+---------+------+----------------+------------------+-----------------+
+---------+------+-----------+--------+-------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+-------------+
| 0 | 0 | 1.9 | 23.8 | 0.36 |
+---------+------+-----------+--------+-------------+
| 0 | 0 | 2.26 | 23.86 | 0.34 |
+---------+------+-----------+--------+-------------+
| 1 | 0 | 2.02 | 23.4 | 0.36 |
+---------+------+-----------+--------+-------------+
| 1 | 0 | 2.24 | 23.84 | 0.36 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in serial (v2.11)
@ -135,24 +148,23 @@ Results
| 1 | 0 | 2.24 | 22.66 | 0.3 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to deepest power level in
serial (v2.10)
+---------+------+-----------+------------------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+------------------+----------------+
| 0 | 0 | 1.74 | 23.7 (+138.91%) | 0.3 |
+---------+------+-----------+------------------+----------------+
| 0 | 0 | 2.08 | 23.96 (+128.63%) | 0.26 (-27.78%) |
+---------+------+-----------+------------------+----------------+
| 1 | 0 | 1.9 | 23.62 (+143.00%) | 0.28 (+75.00%) |
+---------+------+-----------+------------------+----------------+
| 1 | 0 | 2.06 | 23.92 (+129.12%) | 0.26 (+62.50%) |
+---------+------+-----------+------------------+----------------+
``CPU_SUSPEND`` to power level 0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in parallel (v2.12)
+---------+------+-----------+--------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 1.46 | 31.7 | 0.32 |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 2.06 | 35.5 | 0.48 (+60.00%) |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 1.96 | 35.7 | 0.32 |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 2.08 | 23.38 | 0.28 |
+---------+------+-----------+--------+----------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in parallel (v2.11)
+---------+------+----------------+--------+-------------+
@ -167,20 +179,19 @@ Results
| 1 | 0 | 2.14 | 21.92 | 0.28 |
+---------+------+----------------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in
parallel (v2.10)
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.12)
+---------+------+---------------+------------------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+---------------+------------------+----------------+
| 0 | 0 | 1.5 (+70.45%) | 35.02 (+184.25%) | 0.24 |
+---------+------+---------------+------------------+----------------+
| 0 | 0 | 1.92 | 38.12 (+160.74%) | 0.28 |
+---------+------+---------------+------------------+----------------+
| 1 | 0 | 1.88 | 38.1 (+169.45%) | 0.26 (+62.50%) |
+---------+------+---------------+------------------+----------------+
| 1 | 0 | 2.04 | 23.1 (+144.70%) | 0.24 |
+---------+------+---------------+------------------+----------------+
+---------+------+-----------+--------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 1.66 | 23.22 | 0.36 |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 2.58 | 23.72 | 0.78 (+85.71%) |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 2.02 | 23.84 | 0.38 |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 2.16 | 23.92 | 0.34 |
+---------+------+-----------+--------+----------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.11)
@ -196,26 +207,26 @@ Results
| 1 | 0 | 2.18 | 22.3 | 0.34 |
+---------+------+-----------+--------+-------------+
.. table:: ``CPU_SUSPEND`` latencies (µs) to power level 0 in serial (v2.10)
+---------+------+-----------+------------------+-----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+------------------+-----------------+
| 0 | 0 | 1.52 | 23.08 (+145.53%) | 0.3 |
+---------+------+-----------+------------------+-----------------+
| 0 | 0 | 1.98 | 23.68 (+141.63%) | 0.28 (+55.56%) |
+---------+------+-----------+------------------+-----------------+
| 1 | 0 | 1.84 | 23.86 (+148.54%) | 0.28 (+100.00%) |
+---------+------+-----------+------------------+-----------------+
| 1 | 0 | 1.98 | 23.68 (+142.13%) | 0.28 (+55.56%) |
+---------+------+-----------+------------------+-----------------+
``CPU_OFF`` on all non-lead CPUs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``CPU_OFF`` on all non-lead CPUs in sequence then, ``CPU_SUSPEND`` on the lead
core to the deepest power level.
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.12)
+---------+------+-----------+--------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 1.84 | 23.82 | 0.36 |
+---------+------+-----------+--------+----------------+
| 0 | 0 | 14.18 | 31.78 | 0.56 (+86.67%) |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 13.64 | 30.54 | 0.36 |
+---------+------+-----------+--------+----------------+
| 1 | 0 | 14.18 | 31.82 | 0.68 |
+---------+------+-----------+--------+----------------+
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.11)
+---------+------+-----------+--------+----------------+
@ -230,23 +241,23 @@ core to the deepest power level.
| 1 | 0 | 13.84 | 30.06 | 0.28 (-60.00%) |
+---------+------+-----------+--------+----------------+
.. table:: ``CPU_OFF`` latencies (µs) on all non-lead CPUs (v2.10)
+---------+------+-----------+------------------+----------------+
| Cluster | Core | Powerdown | Wakeup | Cache Flush |
+---------+------+-----------+------------------+----------------+
| 0 | 0 | 1.78 | 23.7 (+138.43%) | 0.3 |
+---------+------+-----------+------------------+----------------+
| 0 | 0 | 13.96 | 31.16 (+137.86%) | 0.34 (-32.00%) |
+---------+------+-----------+------------------+----------------+
| 1 | 0 | 13.54 | 30.24 (+144.66%) | 0.26 (-38.10%) |
+---------+------+-----------+------------------+----------------+
| 1 | 0 | 14.46 | 31.12 (+134.69%) | 0.7 (+34.62%) |
+---------+------+-----------+------------------+----------------+
``CPU_VERSION`` in parallel
~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (v2.12)
+----------+------+-------------------+
| Cluster | Core | Latency |
+----------+------+-------------------+
| 0 | 0 | 0.14 |
+----------+------+-------------------+
| 0 | 0 | 0.2 (-28.57%) |
+----------+------+-------------------+
| 1 | 0 | 0.2 |
+----------+------+-------------------+
| 1 | 0 | 0.26 |
+----------+------+-------------------+
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (v2.11)
+-------------+--------+--------------+
@ -261,28 +272,12 @@ core to the deepest power level.
| 1 | 0 | 0.26 |
+-------------+--------+--------------+
.. table:: ``CPU_VERSION`` latency (µs) in parallel on all cores (v2.10)
+----------------------------------------------+
| test_rt_instr_psci_version_parallel (latest) |
+-------------+--------+-----------------------+
| Cluster | Core | Latency |
+-------------+--------+-----------------------+
| 0 | 0 | 0.14 (+75.00%) |
+-------------+--------+-----------------------+
| 0 | 0 | 0.22 |
+-------------+--------+-----------------------+
| 1 | 0 | 0.2 |
+-------------+--------+-----------------------+
| 1 | 0 | 0.26 |
+-------------+--------+-----------------------+
--------------
*Copyright (c) 2023-2024, Arm Limited. All rights reserved.*
.. _TF-A v2.11-rc0: https://review.trustedfirmware.org/plugins/gitiles/TF-A/trusted-firmware-a/+/refs/tags/v2.11-rc0
.. _TFTF v2.11-rc0: https://review.trustedfirmware.org/plugins/gitiles/TF-A/tf-a-tests/+/refs/tags/v2.11-rc0
.. _TF-A v2.12-rc0: https://review.trustedfirmware.org/plugins/gitiles/TF-A/trusted-firmware-a/+/refs/tags/v2.12-rc0
.. _TFTF v2.12-rc0: https://review.trustedfirmware.org/plugins/gitiles/TF-A/tf-a-tests/+/refs/tags/v2.12-rc0
.. _user guide: https://gitlab.arm.com/arm-reference-solutions/arm-reference-solutions-docs/-/blob/master/docs/n1sdp/user-guide.rst
.. _Prebuilt Images: https://downloads.trustedfirmware.org/tf-a/css_scp_2.11.0/n1sdp/release/
.. _Prebuilt Images: https://downloads.trustedfirmware.org/tf-a/css_scp_2.12.0/n1sdp/release/
.. _N1SDP: https://developer.arm.com/documentation/101489/latest