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authorDavid Hunt <david.hunt@intel.com>2017-09-13 11:44:16 +0100
committerThomas Monjalon <thomas@monjalon.net>2017-09-22 16:35:12 +0200
commit94608a0f7f455875da6a804fd754556d2a5e814e (patch)
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parent03725f7e4b96cf95e80d10c9431a7f4f35ef3bac (diff)
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power: add per-core turbo boost API
Adds a new set of APIs to allow per-core turbo enable-disable. Signed-off-by: David Hunt <david.hunt@intel.com>
Diffstat (limited to 'doc/guides/prog_guide/power_man.rst')
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diff --git a/doc/guides/prog_guide/power_man.rst b/doc/guides/prog_guide/power_man.rst
index 114d0b1..c5d62a3 100644
--- a/doc/guides/prog_guide/power_man.rst
+++ b/doc/guides/prog_guide/power_man.rst
@@ -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
----------