diff mbox series

[RFC,V2,14/45] xen/sched: add id to struct sched_item

Message ID	20190506065644.7415-15-jgross@suse.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <xen-devel-bounces@lists.xenproject.org> From: Juergen Gross <jgross@suse.com> To: xen-devel@lists.xenproject.org Date: Mon, 6 May 2019 08:56:13 +0200 Message-Id: <20190506065644.7415-15-jgross@suse.com> In-Reply-To: <20190506065644.7415-1-jgross@suse.com> References: <20190506065644.7415-1-jgross@suse.com> Subject: [Xen-devel] [PATCH RFC V2 14/45] xen/sched: add id to struct sched_item Precedence: list Cc: Juergen Gross <jgross@suse.com>, Tim Deegan <tim@xen.org>, Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, George Dunlap <george.dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Dario Faggioli <dfaggioli@suse.com>, Julien Grall <julien.grall@arm.com>, Jan Beulich <jbeulich@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
Series	xen: add core scheduling support \| expand [RFC,V2,00/45] xen: add core scheduling support [RFC,V2,01/45] xen/sched: add inline wrappers for calling per-scheduler functions [RFC,V2,02/45] xen/sched: use new sched_item instead of vcpu in scheduler interfaces [RFC,V2,03/45] xen/sched: alloc struct sched_item for each vcpu [RFC,V2,04/45] xen/sched: move per-vcpu scheduler private data pointer to sched_item [RFC,V2,05/45] xen/sched: build a linked list of struct sched_item [RFC,V2,06/45] xen/sched: introduce struct sched_resource [RFC,V2,07/45] xen/sched: let pick_cpu return a scheduler resource [RFC,V2,08/45] xen/sched: switch schedule_data.curr to point at sched_item [RFC,V2,09/45] xen/sched: move per cpu scheduler private data into struct sched_resource [RFC,V2,10/45] xen/sched: switch vcpu_schedule_lock to item_schedule_lock [RFC,V2,11/45] xen/sched: move some per-vcpu items to struct sched_item [RFC,V2,12/45] xen/sched: add scheduler helpers hiding vcpu [RFC,V2,13/45] xen/sched: add domain pointer to struct sched_item [RFC,V2,14/45] xen/sched: add id to struct sched_item [RFC,V2,15/45] xen/sched: rename scheduler related perf counters [RFC,V2,16/45] xen/sched: switch struct task_slice from vcpu to sched_item [RFC,V2,17/45] xen/sched: add is_running indicator to struct sched_item [RFC,V2,18/45] xen/sched: make null scheduler vcpu agnostic. [RFC,V2,19/45] xen/sched: make rt scheduler vcpu agnostic. [RFC,V2,20/45] xen/sched: make credit scheduler vcpu agnostic. [RFC,V2,21/45] xen/sched: make credit2 scheduler vcpu agnostic. [RFC,V2,22/45] xen/sched: make arinc653 scheduler vcpu agnostic. [RFC,V2,23/45] xen: add sched_item_pause_nosync() and sched_item_unpause() [RFC,V2,24/45] xen: let vcpu_create() select processor [RFC,V2,25/45] xen/sched: use sched_resource cpu instead smp_processor_id in schedulers [RFC,V2,26/45] xen/sched: switch schedule() from vcpus to sched_items [RFC,V2,27/45] xen/sched: switch sched_move_irqs() to take sched_item as parameter [RFC,V2,28/45] xen: switch from for_each_vcpu() to for_each_sched_item() [RFC,V2,29/45] xen/sched: add runstate counters to struct sched_item [RFC,V2,30/45] xen/sched: rework and rename vcpu_force_reschedule() [RFC,V2,31/45] xen/sched: Change vcpu_migrate_*() to operate on schedule item [RFC,V2,32/45] xen/sched: move struct task_slice into struct sched_item [RFC,V2,33/45] xen/sched: add code to sync scheduling of all vcpus of a sched item [RFC,V2,34/45] xen/sched: introduce item_runnable_state() [RFC,V2,35/45] xen/sched: add support for multiple vcpus per sched item where missing [RFC,V2,36/45] x86: make loading of GDT at context switch more modular [RFC,V2,37/45] x86: optimize loading of GDT at context switch [RFC,V2,38/45] xen/sched: modify cpupool_domain_cpumask() to be an item mask [RFC,V2,39/45] xen/sched: support allocating multiple vcpus into one sched item [RFC,V2,40/45] xen/sched: add a scheduler_percpu_init() function [RFC,V2,41/45] xen/sched: add a percpu resource index [RFC,V2,42/45] xen/sched: add fall back to idle vcpu when scheduling item [RFC,V2,43/45] xen/sched: make vcpu_wake() and vcpu_sleep() core scheduling aware [RFC,V2,44/45] xen/sched: carve out freeing sched_item memory into dedicated function [RFC,V2,45/45] xen/sched: add scheduling granularity enum

Commit Message

Jürgen Groß May 6, 2019, 6:56 a.m. UTC

Add an identifier to sched_item. For now it will be the same as the
related vcpu_id.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 xen/common/schedule.c   | 3 ++-
 xen/include/xen/sched.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff mbox series

Patch

diff --git a/xen/common/schedule.c b/xen/common/schedule.c
index 53aac107e1..ffc0920e5f 100644
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -289,12 +289,13 @@  static struct sched_item *sched_alloc_item(struct vcpu *v)
 
     v->sched_item = item;
     item->vcpu = v;
+    item->item_id = v->vcpu_id;
     item->domain = d;
 
     for ( prev_item = &d->sched_item_list; *prev_item;
           prev_item = &(*prev_item)->next_in_list )
         if ( (*prev_item)->next_in_list &&
-             (*prev_item)->next_in_list->vcpu->vcpu_id > v->vcpu_id )
+             (*prev_item)->next_in_list->item_id > item->item_id )
             break;
 
     item->next_in_list = *prev_item;
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 83d7646088..ce7ead9971 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -266,6 +266,7 @@  struct sched_item {
     void                  *priv;      /* scheduler private data */
     struct sched_item     *next_in_list;
     struct sched_resource *res;
+    int                    item_id;
 
     /* Last time when item has been scheduled out. */
     uint64_t               last_run_time;