[yocto] [meta-realtime][PATCH] add sched_deadline reckpies-kernel for 3.8 kernel

[Insop Song]

Hi Bruce,

I've added recipes-kernel to use edf branch and cfg.

- tested on qemux86
===========================================

root at qemux86:~# uname -a
Linux qemux86 3.8.1-yocto-standard #1 SMP PREEMPT Thu Mar 14 21:57:12
PDT 2013 i686 GNU/Linux
root at qemux86:~# rt-app -t 100000:35000:d -D 2
[rt-app] <notice> [0] Using SCHED_DEADLINE policy:
[rt-app] <notice> [0] starting thread with period: 100000, exec:
35000,deadline: 100000, priority: 10
[rt-app] <notice> [0] Locking pages in memory
#idx	period	min_et	max_et	rel_st	start		end		deadline	dur.	slack	Budget	Used
Budget
0	100000	35000	35000	65466	354577907	354612918	354677899	35011	64981
0	100000	35000	35000	165585	354678026	354713105	354777899	35079	64794
...
0	100000	35000	35000	1965672	356478113	356513126	356577899	35014	64772
[rt-app] <notice> [0] Exiting.
root at qemux86:~#

===========================================

Let me know what you think.

Regards,

Insop

===========================================


Subject: [meta-realtime][PATCH] add sched_deadline reckpies-kernel for 3.8
 kernel

---
 recipes-kernel/linux/linux-yocto/edf.cfg      |    4 ++++
 recipes-kernel/linux/linux-yocto_3.8.bbappend |   14 ++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 recipes-kernel/linux/linux-yocto/edf.cfg
 create mode 100644 recipes-kernel/linux/linux-yocto_3.8.bbappend

diff --git a/recipes-kernel/linux/linux-yocto/edf.cfg
b/recipes-kernel/linux/linux-yocto/edf.cfg
new file mode 100644
index 0000000..ccf004f
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto/edf.cfg
@@ -0,0 +1,4 @@
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_DEADLINE_GROUP_SCHED=y
+
diff --git a/recipes-kernel/linux/linux-yocto_3.8.bbappend
b/recipes-kernel/linux/linux-yocto_3.8.bbappend
new file mode 100644
index 0000000..c6a969f
--- /dev/null
+++ b/recipes-kernel/linux/linux-yocto_3.8.bbappend
@@ -0,0 +1,14 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+COMPATIBLE_MACHINE_qemux86 = "qemux86"
+COMPATIBLE_MACHINE_fri2 = "fri2"
+
+KBRANCH_qemux86 = "standard/edf"
+KBRANCH_fri2 = "standard/edf"
+
+KMACHINE_qemux86 = "qemux86"
+KMACHINE_fri2 = "fri2"
+
+SRCREV_machine_qemux86 = "62d98f6b12f91cc7419b88dfa2e0abe077c94f9f"
+SRCREV_machine_fri2 = "62d98f6b12f91cc7419b88dfa2e0abe077c94f9f"
+
+KERNEL_FEATURES_append =" cfg/edf.scc"
-- 
1.7.9.5
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