[dpdk-dev,v2,4/4] doc/power: add information on per-core turbo APIs
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Signed-off-by: David Hunt <david.hunt@intel.com>
---
doc/guides/prog_guide/power_man.rst | 12 ++++++++++++
1 file changed, 12 insertions(+)
Comments
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of David Hunt
> Sent: Wednesday, September 13, 2017 11:44 AM
> To: dev@dpdk.org
> Cc: Hunt, David <david.hunt@intel.com>
> Subject: [dpdk-dev] [PATCH v2 4/4] doc/power: add information on per-core
> turbo APIs
>
> Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of David Hunt
> Sent: Wednesday, September 13, 2017 11:44 AM
> To: dev@dpdk.org
> Cc: Hunt, David <david.hunt@intel.com>
> Subject: [dpdk-dev] [PATCH v2 4/4] doc/power: add information on per-core
> turbo APIs
>
> Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
@@ -89,6 +89,14 @@ Core state can be altered by speculative sleeps whenever the specified lcore has
In the DPDK, if no packet is received after polling,
speculative sleeps can be triggered according the strategies defined by the user space application.
+Per-core Turbo Boost
+--------------------
+
+Individual cores can be allowed to enter a Turbo Boost state on a per-core
+basis. This is achieved by enabling Turbo Boost Technology in the BIOS, then
+looping through the relevant cores and enabling/disabling Turbo Boost on each
+core.
+
API Overview of the Power Library
---------------------------------
@@ -108,6 +116,10 @@ The main methods exported by power library are for CPU frequency scaling and inc
* **Freq set**: Prompt the kernel to set the frequency for the specific lcore.
+* **Enable turbo**: Prompt the kernel to enable Turbo Boost for the specific lcore.
+
+* **Disable turbo**: Prompt the kernel to disable Turbo Boost for the specific lcore.
+
User Cases
----------