[PATCH RFC v1 2/3] libxl: enable per-VCPU work conserving flag for RTDS

[Meng Xu <mengxu@cis.upenn.edu>]

Modify libxl_vcpu_sched_params_get/set and sched_rtds_vcpu_get/set
functions to support per-VCPU work conserving flag

Signed-off-by: Meng Xu <mengxu@cis.upenn.edu>
---
 tools/libxl/libxl.h         | 1 +
 tools/libxl/libxl_sched.c   | 3 +++
 tools/libxl/libxl_types.idl | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index 7cf0f31..dd9c926 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -2058,6 +2058,7 @@ int libxl_sched_credit2_params_set(libxl_ctx *ctx, uint32_t poolid,
 #define LIBXL_DOMAIN_SCHED_PARAM_LATENCY_DEFAULT   -1
 #define LIBXL_DOMAIN_SCHED_PARAM_EXTRATIME_DEFAULT -1
 #define LIBXL_DOMAIN_SCHED_PARAM_BUDGET_DEFAULT    -1
+#define LIBXL_DOMAIN_SCHED_PARAM_IS_WORK_CONSERVING_DEFAULT    -1
 
 /* Per-VCPU parameters */
 #define LIBXL_SCHED_PARAM_VCPU_INDEX_DEFAULT   -1
diff --git a/tools/libxl/libxl_sched.c b/tools/libxl/libxl_sched.c
index faa604e..fe92747 100644
--- a/tools/libxl/libxl_sched.c
+++ b/tools/libxl/libxl_sched.c
@@ -558,6 +558,7 @@ 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;
+        scinfo->vcpus[i].is_work_conserving = vcpus[i].u.rtds.is_work_conserving;
         scinfo->vcpus[i].vcpuid = vcpus[i].vcpuid;
     }
     rc = 0;
@@ -607,6 +608,7 @@ 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;
+        vcpus[i].u.rtds.is_work_conserving = scinfo->vcpus[i].is_work_conserving;
     }
 
     r = xc_sched_rtds_vcpu_set(CTX->xch, domid,
@@ -655,6 +657,7 @@ 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;
+        vcpus[i].u.rtds.is_work_conserving = scinfo->vcpus[0].is_work_conserving;
     }
 
     r = xc_sched_rtds_vcpu_set(CTX->xch, domid,
diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
index 8a9849c..f6c3ead 100644
--- a/tools/libxl/libxl_types.idl
+++ b/tools/libxl/libxl_types.idl
@@ -401,6 +401,7 @@ libxl_sched_params = Struct("sched_params",[
     ("period",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_PERIOD_DEFAULT'}),
     ("extratime",    integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_EXTRATIME_DEFAULT'}),
     ("budget",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_BUDGET_DEFAULT'}),
+    ("is_work_conserving", integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_IS_WORK_CONSERVING_DEFAULT'}),
     ])
 
 libxl_vcpu_sched_params = Struct("vcpu_sched_params",[
@@ -414,6 +415,7 @@ libxl_domain_sched_params = Struct("domain_sched_params",[
     ("cap",          integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_CAP_DEFAULT'}),
     ("period",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_PERIOD_DEFAULT'}),
     ("budget",       integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_BUDGET_DEFAULT'}),
+    ("is_work_conserving", integer, {'init_val': 'LIBXL_DOMAIN_SCHED_PARAM_IS_WORK_CONSERVING_DEFAULT'}),
 
     # The following three parameters ('slice', 'latency' and 'extratime') are deprecated,
     # and will have no effect if used, since the SEDF scheduler has been removed.
-- 
1.9.1


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel