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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 13:54:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 13:54:49 -0700
commit17489c058e8c63ab5ebdc67ab52ca70d1bc270b1 (patch)
treed0e0a3503967b11f6e86ebfaddf103a82fbea38f /Documentation
parenta3da5bf84a97d48cfaf66c6842470fc403da5121 (diff)
parent873a6ed6288b6c2c0d2cc84d3b2bf2fab9ba0181 (diff)
downloadlinux-17489c058e8c63ab5ebdc67ab52ca70d1bc270b1.tar.bz2
Merge branch 'sched/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (76 commits) sched_clock: and multiplier for TSC to gtod drift sched_clock: record TSC after gtod sched_clock: only update deltas with local reads. sched_clock: fix calculation of other CPU sched_clock: stop maximum check on NO HZ sched_clock: widen the max and min time sched_clock: record from last tick sched: fix accounting in task delay accounting & migration sched: add avg-overlap support to RT tasks sched: terminate newidle balancing once at least one task has moved over sched: fix warning sched: build fix sched: sched_clock_cpu() based cpu_clock(), lockdep fix sched: export cpu_clock sched: make sched_{rt,fair}.c ifdefs more readable sched: bias effective_load() error towards failing wake_affine(). sched: incremental effective_load() sched: correct wakeup weight calculations sched: fix mult overflow sched: update shares on wakeup ...
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 a9e990ab980f..373ceacc367e 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 14f901f639ee..3ef339f491e0 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.