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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 10:31:44 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 10:31:44 -0700 |
commit | 2ba68940c893c8f0bfc8573c041254251bb6aeab (patch) | |
tree | fa83ebb01d32abd98123fa28f9f6f0b3eaeee25d /Documentation | |
parent | 9c2b957db1772ebf942ae7a9346b14eba6c8ca66 (diff) | |
parent | 600e145882802d6ccbfe2c4aea243d97caeb91a9 (diff) | |
download | linux-2ba68940c893c8f0bfc8573c041254251bb6aeab.tar.bz2 |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes for v3.4 from Ingo Molnar
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
printk: Make it compile with !CONFIG_PRINTK
sched/x86: Fix overflow in cyc2ns_offset
sched: Fix nohz load accounting -- again!
sched: Update yield() docs
printk/sched: Introduce special printk_sched() for those awkward moments
sched/nohz: Correctly initialize 'next_balance' in 'nohz' idle balancer
sched: Cleanup cpu_active madness
sched: Fix load-balance wreckage
sched: Clean up parameter passing of proc_sched_autogroup_set_nice()
sched: Ditch per cgroup task lists for load-balancing
sched: Rename load-balancing fields
sched: Move load-balancing arguments into helper struct
sched/rt: Do not submit new work when PI-blocked
sched/rt: Prevent idle task boosting
sched/wait: Add __wake_up_all_locked() API
sched/rt: Document scheduler related skip-resched-check sites
sched/rt: Use schedule_preempt_disabled()
sched/rt: Add schedule_preempt_disabled()
sched/rt: Do not throttle when PI boosting
sched/rt: Keep period timer ticking when rt throttling is active
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/scheduler/sched-stats.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/scheduler/sched-stats.txt b/Documentation/scheduler/sched-stats.txt index 1cd5d51bc761..8259b34a66ae 100644 --- a/Documentation/scheduler/sched-stats.txt +++ b/Documentation/scheduler/sched-stats.txt @@ -38,7 +38,8 @@ First field is a sched_yield() statistic: 1) # of times sched_yield() was called Next three are schedule() statistics: - 2) # of times we switched to the expired queue and reused it + 2) This field is a legacy array expiration count field used in the O(1) + scheduler. We kept it for ABI compatibility, but it is always set to zero. 3) # of times schedule() was called 4) # of times schedule() left the processor idle |