From: George Dunlap <george.dunlap@citrix.com>
To: xen-devel@lists.xenproject.org
Cc: Ronald Rojas <ronladred@gmail.com>, Wei Liu <wei.liu2@citrix.com>,
Ian Jackson <ian.jackson@citrix.com>
Subject: [PATCH v5 08/10] golang/xenlight: Implement Vcpuinfo and ListVcpu
Date: Wed, 5 Apr 2017 17:05:52 +0100 [thread overview]
Message-ID: <1491408354-9643-9-git-send-email-george.dunlap@citrix.com> (raw)
In-Reply-To: <1491408354-9643-1-git-send-email-george.dunlap@citrix.com>
From: Ronald Rojas <ronladred@gmail.com>
Include Golang version of libxl_vcpu_info
as VcpuInfo
Add a Golang call for libxl_list_vcpu as
ListVcpu
Signed-off-by: Ronald Rojas <ronladred@gmail.com>
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
---
CC: Ian Jackson <ian.jackson@citrix.com>
CC: Wei Liu <wei.liu2@citrix.com>
Changes from v4:
- Removed some unnecessary whitespace
---
tools/golang/xenlight/xenlight.go | 52 +++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/tools/golang/xenlight/xenlight.go b/tools/golang/xenlight/xenlight.go
index f16185e..a8ade4f 100644
--- a/tools/golang/xenlight/xenlight.go
+++ b/tools/golang/xenlight/xenlight.go
@@ -783,3 +783,55 @@ func (Ctx *Context) ListDomain() (glist []Dominfo) {
return
}
+
+type Vcpuinfo struct {
+ Vcpuid uint32
+ Cpu uint32
+ Online bool
+ Blocked bool
+ Running bool
+ VCpuTime time.Duration
+ Cpumap Bitmap
+ CpumapSoft Bitmap
+}
+
+func (cvci C.libxl_vcpuinfo) toGo() (gvci Vcpuinfo) {
+ gvci.Vcpuid = uint32(cvci.vcpuid)
+ gvci.Cpu = uint32(cvci.cpu)
+ gvci.Online = bool(cvci.online)
+ gvci.Blocked = bool(cvci.blocked)
+ gvci.Running = bool(cvci.running)
+ gvci.VCpuTime = time.Duration(cvci.vcpu_time)
+ gvci.Cpumap = cvci.cpumap.toGo()
+ gvci.CpumapSoft = cvci.cpumap_soft.toGo()
+
+ return
+}
+
+//libxl_vcpuinfo *libxl_list_vcpu(libxl_ctx *ctx, uint32_t domid,
+// int *nb_vcpu, int *nr_cpus_out);
+//void libxl_vcpuinfo_list_free(libxl_vcpuinfo *, int nr_vcpus);
+func (Ctx *Context) ListVcpu(id Domid) (glist []Vcpuinfo) {
+ err := Ctx.CheckOpen()
+ if err != nil {
+ return
+ }
+
+ var nbVcpu C.int
+ var nrCpu C.int
+
+ clist := C.libxl_list_vcpu(Ctx.ctx, C.uint32_t(id), &nbVcpu, &nrCpu)
+ defer C.libxl_vcpuinfo_list_free(clist, nbVcpu)
+
+ if int(nbVcpu) == 0 {
+ return
+ }
+
+ gslice := (*[1 << 30]C.libxl_vcpuinfo)(unsafe.Pointer(clist))[:nbVcpu:nbVcpu]
+ for i := range gslice {
+ info := gslice[i].toGo()
+ glist = append(glist, info)
+ }
+
+ return
+}
--
2.1.4
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next prev parent reply other threads:[~2017-04-05 16:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-05 16:05 [PATCH v5 00/10] tools: Implement basic golang bindings for libxl George Dunlap
2017-04-05 16:05 ` [PATCH v5 01/10] golang/xenlight: Create stub package George Dunlap
2017-04-05 16:05 ` [PATCH v5 02/10] golang/xenlight: Add error constants and standard handling George Dunlap
2017-04-05 16:05 ` [PATCH v5 03/10] golang/xenlight: Add host-related functionality George Dunlap
2017-04-05 16:05 ` [PATCH v5 04/10] golang/xenlight: Implement libxl_domain_info and libxl_domain_unpause George Dunlap
2017-04-05 16:05 ` [PATCH v5 05/10] golang/xenlight: Implement libxl_bitmap and helper operations George Dunlap
2017-04-05 16:05 ` [PATCH v5 06/10] golang/xenlight: Implement libxl_scheduler enumeration George Dunlap
2017-04-05 16:05 ` [PATCH v5 07/10] golang/xenlight: Implement Domain operations George Dunlap
2017-04-05 16:05 ` George Dunlap [this message]
2017-04-05 16:05 ` [PATCH v5 09/10] golang/xenlight: Implement get console path operations George Dunlap
2017-04-05 16:05 ` [PATCH v5 10/10] golang/xenlight: Implement cpupool operations George Dunlap
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