diff mbox

[v1,2/3] libxl: enable per-VCPU extratime flag for RTDS

Message ID 1502036563-4275-3-git-send-email-mengxu@cis.upenn.edu (mailing list archive)
State New, archived
Headers show

Commit Message

Meng Xu Aug. 6, 2017, 4:22 p.m. UTC 
Modify libxl_vcpu_sched_params_get/set and sched_rtds_vcpu_get/set
functions to support per-VCPU extratime flag

Signed-off-by: Meng Xu <mengxu@cis.upenn.edu>

---
Changes from RFC v1
Change work_conserving flag to extratime flag
---
 tools/libxl/libxl_sched.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Dario Faggioli Aug. 8, 2017, 3:37 p.m. UTC | #1 
On Sun, 2017-08-06 at 12:22 -0400, Meng Xu wrote:
> Modify libxl_vcpu_sched_params_get/set and sched_rtds_vcpu_get/set
> functions to support per-VCPU extratime flag
> 
> Signed-off-by: Meng Xu <mengxu@cis.upenn.edu>
> 
Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>

Of course, if the flag name in domctl.h change, this will have to
change as well. If that's the only thing changing, you can keep the
tag.

Regards,
Dario
diff mbox

Patch

diff --git a/tools/libxl/libxl_sched.c b/tools/libxl/libxl_sched.c
index faa604e..4ebed96 100644
--- a/tools/libxl/libxl_sched.c
+++ b/tools/libxl/libxl_sched.c
@@ -558,6 +558,10 @@  static int sched_rtds_vcpu_get_all(libxl__gc *gc, uint32_t domid,
     for (i = 0; i < num_vcpus; i++) {
         scinfo->vcpus[i].period = vcpus[i].u.rtds.period;
         scinfo->vcpus[i].budget = vcpus[i].u.rtds.budget;
+        if ( vcpus[i].u.rtds.flags & XEN_DOMCTL_SCHED_RTDS_extratime )
+           scinfo->vcpus[i].extratime = 1;
+        else
+           scinfo->vcpus[i].extratime = 0;
         scinfo->vcpus[i].vcpuid = vcpus[i].vcpuid;
     }
     rc = 0;
@@ -607,6 +611,10 @@  static int sched_rtds_vcpu_set(libxl__gc *gc, uint32_t domid,
         vcpus[i].vcpuid = scinfo->vcpus[i].vcpuid;
         vcpus[i].u.rtds.period = scinfo->vcpus[i].period;
         vcpus[i].u.rtds.budget = scinfo->vcpus[i].budget;
+        if ( scinfo->vcpus[i].extratime )
+            vcpus[i].u.rtds.flags |= XEN_DOMCTL_SCHED_RTDS_extratime;
+        else
+            vcpus[i].u.rtds.flags &= ~XEN_DOMCTL_SCHED_RTDS_extratime;
     }
 
     r = xc_sched_rtds_vcpu_set(CTX->xch, domid,
@@ -655,6 +663,10 @@  static int sched_rtds_vcpu_set_all(libxl__gc *gc, uint32_t domid,
         vcpus[i].vcpuid = i;
         vcpus[i].u.rtds.period = scinfo->vcpus[0].period;
         vcpus[i].u.rtds.budget = scinfo->vcpus[0].budget;
+        if ( scinfo->vcpus[0].extratime )
+            vcpus[i].u.rtds.flags |= XEN_DOMCTL_SCHED_RTDS_extratime;
+        else
+            vcpus[i].u.rtds.flags &= ~XEN_DOMCTL_SCHED_RTDS_extratime;
     }
 
     r = xc_sched_rtds_vcpu_set(CTX->xch, domid,