[libvirt] [PATCH v2 1/3] util: Add virProcessSetScheduler() function for scheduler settings
Peter Krempa
pkrempa at redhat.com
Thu Feb 12 09:18:01 UTC 2015
On Tue, Feb 10, 2015 at 16:35:19 +0100, Martin Kletzander wrote:
> This function uses sched_setscheduler() function so it works with
> processes and threads as well (even threads not created by us, which is
> what we'll need in the future).
>
> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> ---
> configure.ac | 4 +-
> src/libvirt_private.syms | 1 +
> src/util/virprocess.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++-
> src/util/virprocess.h | 20 ++++++++-
> 4 files changed, 124 insertions(+), 5 deletions(-)
>
...
> +#if HAVE_SCHED_SETSCHEDULER
> +
> +static int
> +virProcessSchedTranslatePolicy(virProcessSchedPolicy policy)
> +{
> + switch (policy) {
> + case VIR_PROC_POLICY_NONE:
> + return SCHED_OTHER;
> +
> + case VIR_PROC_POLICY_BATCH:
> + return SCHED_BATCH;
> +
> + case VIR_PROC_POLICY_IDLE:
> + return SCHED_IDLE;
> +
> + case VIR_PROC_POLICY_FIFO:
> + return SCHED_FIFO;
> +
> + case VIR_PROC_POLICY_RR:
> + return SCHED_RR;
> +
> + case VIR_PROC_POLICY_LAST:
> + /* nada */
I know I'm late with this comment, but:
I don't think the _LAST case is so obscure that we would need to comment
it with such an insightful comment.
> + break;
> + }
> +
> + return -1;
> +}
> +
Peter
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