[dts] [PATCH v1] test_plans: add test plan for power managerment throughput test

[Tu, Lijuan]

Applied, thanks

> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Yinan
> Sent: Friday, June 28, 2019 4:05 AM
> To: dts at dpdk.org
> Cc: Wang, Yinan <yinan.wang at intel.com>
> Subject: [dts] [PATCH v1] test_plans: add test plan for power managerment
> throughput test
> 
> From: Wang Yinan <yinan.wang at intel.com>
> 
> Signed-off-by: Wang Yinan <yinan.wang at intel.com>
> ---
>  ...power_managerment_throughput_test_plan.rst | 74
> +++++++++++++++++++
>  1 file changed, 74 insertions(+)
>  create mode 100644
> test_plans/power_managerment_throughput_test_plan.rst
> 
> diff --git a/test_plans/power_managerment_throughput_test_plan.rst
> b/test_plans/power_managerment_throughput_test_plan.rst
> new file mode 100644
> index 0000000..a9234be
> --- /dev/null
> +++ b/test_plans/power_managerment_throughput_test_plan.rst
> @@ -0,0 +1,74 @@
> +.. Copyright (c) <2019>, Intel Corporation
> +   All rights reserved.
> +
> +   Redistribution and use in source and binary forms, with or without
> +   modification, are permitted provided that the following conditions
> +   are met:
> +
> +   - Redistributions of source code must retain the above copyright
> +     notice, this list of conditions and the following disclaimer.
> +
> +   - Redistributions in binary form must reproduce the above copyright
> +     notice, this list of conditions and the following disclaimer in
> +     the documentation and/or other materials provided with the
> +     distribution.
> +
> +   - Neither the name of Intel Corporation nor the names of its
> +     contributors may be used to endorse or promote products derived
> +     from this software without specific prior written permission.
> +
> +   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
> CONTRIBUTORS
> +   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
> FITNESS
> +   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
> +   COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
> INDIRECT,
> +   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
> +   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> OR
> +   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> +   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> CONTRACT,
> +   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
> ADVISED
> +   OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +======================================
> +Power managerment throughput test plan
> +======================================
> +
> +This test plan test cpu frequence changed according io workloads with
> l3fwd-power sample.
> +The cpu frequency status depends on NIC and CPU type.
> +
> +Prerequisites
> +=============
> +
> +1. Update Grub::
> +
> +    Add "intel_pstate=disable" in kernel options.
> +
> +2. BIOS configuration as below::
> +
> +    CPU mode : "Power"
> +    Workload configuratuion："IO sensitive"
> +    Hardware Power : "Disabled"
> +    Speedstep : "Enabled"
> +    Turbo : "Enabled"
> +    C-stats：C0/C1
> +    C6 : "Enabled"
> +
> +Test Case1: Check the CPU frequency can change according differernt
> +packet speed
> +===============================================================
> ========
> +=========
> +
> +1. Check that you are using the "acpi-cpufreq" driver by command "cpufreq-
> info".
> +
> +2. CPU frequency controlled by userspace by command "cpupower
> frequency-set -g userspace".
> +
> +3. Bind one nic port to igb_uio, launch l3fwd-power sample, one core used
> for one port::
> +
> +    ./l3fwd-power -c 0xc000000 -n 4 -- -P -p 0x01  --config '(0,0,27)'
> +
> +4. Send packets by packet generator with high speed, check the used cpu
> frequency is almost 100%::
> +
> +    cat /sys/devices/system/cpu/cpu27/cpufreq/cpuinfo_cur_freq
> +
> +5. Send packets by packet generator with low speed, the CPU frequency will
> reduce about 50%::
> +
> +    cat /sys/devices/system/cpu/cpu27/cpufreq/cpuinfo_cur_freq
> \ No newline at end of file
> --
> 2.17.1