Eric Lee / smarc-fsl-linux-kernel

19 Jun, 2013

1 commit

  • 0a0fca9d8   sched: Rename sched.c as sched/core.c in comments and Documentation ... Browse Code »

    Most of the stuff from kernel/sched.c was moved to kernel/sched/core.c long time
    back and the comments/Documentation never got updated.

    I figured it out when I was going through sched-domains.txt and so thought of
    fixing it globally.

    I haven't crossed check if the stuff that is referenced in sched/core.c by all
    these files is still present and hasn't changed as that wasn't the motive behind
    this patch.

    Signed-off-by: Viresh Kumar
    Signed-off-by: Peter Zijlstra
    Link: http://lkml.kernel.org/r/cdff76a265326ab8d71922a1db5be599f20aad45.1370329560.git.viresh.kumar@linaro.org
    Signed-off-by: Ingo Molnar

    Viresh Kumar
     

13 Sep, 2012

1 commit

  • f3e947867   sched: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW ... Browse Code »

    Now that the last architecture to use this has stopped doing so (ARM,
    thanks Catalin!) we can remove this complexity from the scheduler
    core.

    Signed-off-by: Peter Zijlstra
    Cc: Oleg Nesterov
    Cc: Catalin Marinas
    Link: http://lkml.kernel.org/n/tip-g9p2a1w81xxbrze25v9zpzbf@git.kernel.org
    Signed-off-by: Ingo Molnar

    Peter Zijlstra
     

17 May, 2012

1 commit

  • 8e7fbcbc2   sched: Remove stale power aware scheduling remnants and dysfunctional knobs ... Browse Code »
    86

    It's been broken forever (i.e. it's not scheduling in a power
    aware fashion), as reported by Suresh and others sending
    patches, and nobody cares enough to fix it properly ...
    so remove it to make space free for something better.

    There's various problems with the code as it stands today, first
    and foremost the user interface which is bound to topology
    levels and has multiple values per level. This results in a
    state explosion which the administrator or distro needs to
    master and almost nobody does.

    Furthermore large configuration state spaces aren't good, it
    means the thing doesn't just work right because it's either
    under so many impossibe to meet constraints, or even if
    there's an achievable state workloads have to be aware of
    it precisely and can never meet it for dynamic workloads.

    So pushing this kind of decision to user-space was a bad idea
    even with a single knob - it's exponentially worse with knobs
    on every node of the topology.

    There is a proposal to replace the user interface with a single
    3 state knob:

    sched_balance_policy := { performance, power, auto }

    where 'auto' would be the preferred default which looks at things
    like Battery/AC mode and possible cpufreq state or whatever the hw
    exposes to show us power use expectations - but there's been no
    progress on it in the past many months.

    Aside from that, the actual implementation of the various knobs
    is known to be broken. There have been sporadic attempts at
    fixing things but these always stop short of reaching a mergable
    state.

    Therefore this wholesale removal with the hopes of spurring
    people who care to come forward once again and work on a
    coherent replacement.

    Signed-off-by: Peter Zijlstra
    Cc: Suresh Siddha
    Cc: Arjan van de Ven
    Cc: Vincent Guittot
    Cc: Vaidyanathan Srinivasan
    Cc: Linus Torvalds
    Cc: Andrew Morton
    Link: http://lkml.kernel.org/r/1326104915.2442.53.camel@twins
    Signed-off-by: Ingo Molnar

    Peter Zijlstra
     

07 May, 2012

1 commit

27 Jan, 2012

1 commit

  • 30fd049af   sched: Remove sched_switch ... Browse Code »

    Currently we don't utilize the sched_switch field anymore.

    But, simply removing sched_switch field from the middle of the
    sched_stat output will break tools.

    So, to stay compatible we hardcode it to zero and remove the
    field from the scheduler data structures.

    Update the schedstat documentation accordingly.

    Signed-off-by: Rakib Mullick
    Signed-off-by: Peter Zijlstra
    Link: http://lkml.kernel.org/r/1327422836.27181.5.camel@localhost.localdomain
    Signed-off-by: Ingo Molnar

    Rakib Mullick
     

14 Aug, 2011

1 commit

11 Jul, 2011

1 commit

16 Jun, 2011

1 commit

  • f6e07d380   Documentation: update cgroupfs mount point ... Browse Code »

    According to commit 676db4af0430 ("cgroupfs: create /sys/fs/cgroup to
    mount cgroupfs on") the canonical mountpoint for the cgroup filesystem
    is /sys/fs/cgroup. Hence, this should be used in the documentation.

    Signed-off-by: Jörg Sommer
    Acked-by: Paul Menage
    Signed-off-by: Randy Dunlap
    Signed-off-by: Linus Torvalds

    Jörg Sommer
     

13 Jun, 2011

1 commit

  • 25eb650a6   doc: fix wrong arch/i386 references ... Browse Code »

    Change all "arch/i386" to "arch/x86" in Documentaion/,
    since the directory has changed.

    Also update the files which have changed their filename
    in the meantime accordingly.

    Signed-off-by: Wanlong Gao
    [jkosina@suse.cz: reword changelog]
    Signed-off-by: Jiri Kosina

    Wanlong Gao
     

31 Mar, 2011

1 commit

23 Mar, 2011

1 commit

01 Feb, 2011

1 commit

  • 1e1dbb259   sched, docs: Update schedstats documentation to version 15 ... Browse Code »

    Version 15 of schedstats was introduced in:

    67aa0f767af4: sched: remove unused fields from struct rq

    and removed three unused counters in sched_yield(). Update
    the documentation.

    Signed-off-by: Javi Merino
    Cc: henrix@sapo.pt
    Cc: rdunlap@xenotime.net
    Cc: Peter Zijlstra
    Cc: Mike Galbraith
    LKML-Reference:
    Signed-off-by: Ingo Molnar

    Javi Merino
     

03 Nov, 2010

1 commit

03 Apr, 2010

1 commit

21 Jun, 2009

1 commit

13 Jun, 2009

1 commit

29 May, 2009

1 commit

  • f04d82b7e   sched: fix typo in sched-rt-group.txt file ... Browse Code »

    Fix typo about static priority's range.

    Kernel Space User Space
    ===============================================================
    0(high) to 98(low) user RT priority 99(high) to 1(low)
    with SCHED_RR or SCHED_FIFO
    ---------------------------------------------------------------
    99 sched_priority is not used in scheduling
    decisions(it must be specified as 0)
    ---------------------------------------------------------------
    100(high) to 139(low) user nice -20(high) to 19(low)
    ---------------------------------------------------------------
    140 idle task priority
    ---------------------------------------------------------------
    * ref) http://www.kernel.org/doc/man-pages/online/pages/man2/sched_setscheduler.2.html

    Signed-off-by: GeunSik Lim
    CC: Steven Rostedt
    Signed-off-by: Peter Zijlstra
    LKML-Reference:
    Signed-off-by: Ingo Molnar

    GeunSik Lim
     

06 May, 2009

1 commit

30 Mar, 2009

1 commit

02 Mar, 2009

1 commit

16 Jan, 2009

1 commit

  • 45ce80fb6   cgroups: consolidate cgroup documents ... Browse Code »

    Move Documentation/cpusets.txt and Documentation/controllers/* to
    Documentation/cgroups/

    Signed-off-by: Li Zefan
    Acked-by: KAMEZAWA Hiroyuki
    Acked-by: Balbir Singh
    Acked-by: Paul Menage
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Li Zefan
     

29 Dec, 2008

1 commit

  • a39b86334   Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel… ... Browse Code »

    …/git/tip/linux-2.6-tip

    * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)
    sched: fix warning in fs/proc/base.c
    schedstat: consolidate per-task cpu runtime stats
    sched: use RCU variant of list traversal in for_each_leaf_rt_rq()
    sched, cpuacct: export percpu cpuacct cgroup stats
    sched, cpuacct: refactoring cpuusage_read / cpuusage_write
    sched: optimize update_curr()
    sched: fix wakeup preemption clock
    sched: add missing arch_update_cpu_topology() call
    sched: let arch_update_cpu_topology indicate if topology changed
    sched: idle_balance() does not call load_balance_newidle()
    sched: fix sd_parent_degenerate on non-numa smp machine
    sched: add uid information to sched_debug for CONFIG_USER_SCHED
    sched: move double_unlock_balance() higher
    sched: update comment for move_task_off_dead_cpu
    sched: fix inconsistency when redistribute per-cpu tg->cfs_rq shares
    sched/rt: removed unneeded defintion
    sched: add hierarchical accounting to cpu accounting controller
    sched: include group statistics in /proc/sched_debug
    sched: rename SCHED_NO_NO_OMIT_FRAME_POINTER => SCHED_OMIT_FRAME_POINTER
    sched: clean up SCHED_CPUMASK_ALLOC
    ...

    Linus Torvalds
     

09 Dec, 2008

1 commit

  • 94d6a5f73   user namespaces: document CFS behavior ... Browse Code »

    Documented the currently bogus state of support for CFS user groups with
    user namespaces. In particular, all users in a user namespace should be
    children of the user which created the user namespace. This is yet to
    be implemented.

    Signed-off-by: Serge E. Hallyn
    Acked-by: Dhaval Giani

    Signed-off-by: Serge E. Hallyn
    Signed-off-by: James Morris

    Serge E. Hallyn
     

06 Nov, 2008

1 commit

30 Oct, 2008

1 commit

28 Oct, 2008

1 commit

23 Sep, 2008

1 commit

  • 1a73ef6ac   CFS scheduler: documentation about scheduling policies ... Browse Code »

    The documentation about the CFS scheduler is scarse when it comes to
    scheduling policies. This patch adds a chapter about the scheduling
    policies it supports. Peter Zijlstra provided most of the information
    for it in

    http://marc.info/?l=linux-kernel&m=122210038326356&w=2

    Signed-off-by: Martin Steigerwald
    Acked-by: Peter Zijlstra
    Signed-off-by: Ingo Molnar

    Martin Steigerwald
     

21 Aug, 2008

1 commit

18 Jun, 2008

1 commit

06 Jun, 2008

1 commit

06 May, 2008

1 commit

20 Apr, 2008

1 commit

12 Apr, 2008

1 commit

11 Mar, 2008

1 commit

08 Feb, 2008

1 commit

  • 9b8eae724   Documentation: create new scheduler/ subdirectory ... Browse Code »

    The top-level Documentation/ directory is unmanageably large, so we
    should take any obvious opportunities to move stuff into subdirectories.
    These sched-*.txt files seem an obvious easy case.

    Signed-off-by: J. Bruce Fields
    Cc: Ingo Molnar
    Acked-by: Randy Dunlap
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    J. Bruce Fields