[dpdk-dev,v2,4/4] doc/power: add information on per-core turbo APIs

Message ID 1505299459-24135-5-git-send-email-david.hunt@intel.com
State Accepted, archived
Delegated to: Ferruh Yigit
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Context Check Description
checkpatch success coding style OK
Intel-compilation success Compilation OK

Commit Message

David Hunt Sept. 13, 2017, 10:44 a.m.
Signed-off-by: David Hunt <david.hunt@intel.com>
---
 doc/guides/prog_guide/power_man.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

John McNamara Sept. 18, 2017, 6:20 p.m.
> -----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>

Patch hide | download patch | download mbox

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
 ----------