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authorIngo Molnar <mingo@elte.hu>2008-07-14 16:11:02 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-14 16:11:02 +0200
commitd14c8a680ccfdeb5e7b9be4d61162c2b373bd1e8 (patch)
tree38cead29b9b34b9d26b5cfe7b2c2673d6f7ac052 /Documentation
parentd59fdcf2ac501de99c3dfb452af5e254d4342886 (diff)
parent873a6ed6288b6c2c0d2cc84d3b2bf2fab9ba0181 (diff)
Merge branch 'sched/for-linus' into tracing/for-linus
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/scheduler/sched-domains.txt7
-rw-r--r--Documentation/scheduler/sched-rt-group.txt4
2 files changed, 4 insertions, 7 deletions
diff --git a/Documentation/scheduler/sched-domains.txt b/Documentation/scheduler/sched-domains.txt
index a9e990ab980..373ceacc367 100644
--- a/Documentation/scheduler/sched-domains.txt
+++ b/Documentation/scheduler/sched-domains.txt
@@ -61,10 +61,7 @@ builder by #define'ing ARCH_HASH_SCHED_DOMAIN, and exporting your
arch_init_sched_domains function. This function will attach domains to all
CPUs using cpu_attach_domain.
-Implementors should change the line
-#undef SCHED_DOMAIN_DEBUG
-to
-#define SCHED_DOMAIN_DEBUG
-in kernel/sched.c as this enables an error checking parse of the sched domains
+The sched-domains debugging infrastructure can be enabled by enabling
+CONFIG_SCHED_DEBUG. This enables an error checking parse of the sched domains
which should catch most possible errors (described above). It also prints out
the domain structure in a visual format.
diff --git a/Documentation/scheduler/sched-rt-group.txt b/Documentation/scheduler/sched-rt-group.txt
index 14f901f639e..3ef339f491e 100644
--- a/Documentation/scheduler/sched-rt-group.txt
+++ b/Documentation/scheduler/sched-rt-group.txt
@@ -51,9 +51,9 @@ needs only about 3% CPU time to do so, it can do with a 0.03 * 0.005s =
0.00015s. So this group can be scheduled with a period of 0.005s and a run time
of 0.00015s.
-The remaining CPU time will be used for user input and other tass. Because
+The remaining CPU time will be used for user input and other tasks. Because
realtime tasks have explicitly allocated the CPU time they need to perform
-their tasks, buffer underruns in the graphocs or audio can be eliminated.
+their tasks, buffer underruns in the graphics or audio can be eliminated.
NOTE: the above example is not fully implemented as of yet (2.6.25). We still
lack an EDF scheduler to make non-uniform periods usable.