[PATCH 00/13] Balance RT tasks v5

This is version 5 of the patch series against 23-rt1.

There have been numerous fixes/tweaks since v4, though we still are based on
the global rto_cpumask logic instead of Steve/Ingo's cpuset logic.  Otherwise,
it's in pretty good shape.

Without the series applied, the following test will fail:

ftp://ftp.novell.com/dev/ghaskins/preempt-test-latest.tar.bz2

After it is applied, it will pass.

NOTE: it appears that the series also introduces wake-latency spikes that
are not present in the baseline code, so this is still "RFC" quality.
However, the baseline scheduler also violates priority order, so its hard to
determine if the numbers translate apples to apples.  These issues are still
under investigation, but I am sharing the series now so that Steven Rostedt
and Darren Hart can have access to my current tree.  The issues appear to be
caused by some other strange scheduling decisions (such as running the idle
thread while we are busy).  TBD 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • [PATCH 13/13] RT: Cache cpus_allowed weight for optimizing migration
    • From: Gregory Haskins <[email protected]>
  • [PATCH 12/13] RT: CPU priority management
    • From: Gregory Haskins <[email protected]>
  • [PATCH 11/13] RT: Condense NORMAL and IDLE priorities
    • From: Gregory Haskins <[email protected]>
  • [PATCH 10/13] RT: Fixes for push-rt patch
    • From: Gregory Haskins <[email protected]>
  • [PATCH 09/13] RT: Only dirty a cacheline if the priority is actually changing
    • From: Gregory Haskins <[email protected]>
  • [PATCH 08/13] RT: Add support for low-priority wake-up to push_rt feature
    • From: Gregory Haskins <[email protected]>
  • [PATCH 07/13] RT: Clean up some of the push-rt logic
    • From: Gregory Haskins <[email protected]>
  • [PATCH 06/13] RT: Maintain the highest RQ priority
    • From: Gregory Haskins <[email protected]>
  • [PATCH 05/13] RT: Initialize the priority value
    • From: Gregory Haskins <[email protected]>
  • [PATCH 04/13] RT: Wrap the RQ notion of priority to make it conditional
    • From: Gregory Haskins <[email protected]>
  • [PATCH 03/13] RT: Add a per-cpu rt_overload indication
    • From: Gregory Haskins <[email protected]>
  • [PATCH 02/13] RT: Condense the next-task search into one function
    • From: Gregory Haskins <[email protected]>
  • [PATCH 01/13] RT: push-rt
    • From: Gregory Haskins <[email protected]>

• Prev by Date: Re: [PATCH] Use the new sg_page() helper
• Next by Date: [PATCH 01/13] RT: push-rt
• Previous by thread: [SUPERH] dma-mapping.h structure has no member named page
• Next by thread: [PATCH 01/13] RT: push-rt
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]