Re: [libvirt] [PATCH] vmx: Support persistent CPU shares

--- src/vmx/vmx.c | 43 ++++++++++++++++++++++ tests/vmx2xmldata/vmx2xml-case-insensitive-1.vmx | 2 +- tests/vmx2xmldata/vmx2xml-case-insensitive-1.xml | 3 ++ tests/vmx2xmldata/vmx2xml-case-insensitive-2.xml | 3 ++ tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.vmx | 2 +- tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.xml | 3 ++ tests/vmx2xmldata/vmx2xml-esx-in-the-wild-4.xml | 3 ++ tests/vmx2xmldata/vmx2xml-esx-in-the-wild-5.xml | 3 ++ tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.vmx | 1 + tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.xml | 3 ++ tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.vmx | 1 + tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.xml | 3 ++ tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.vmx | 1 + tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.xml | 3 ++ 14 files changed, 72 insertions(+), 2 deletions(-) diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c index 9a482ef..b0d3218 100644 --- a/src/vmx/vmx.c +++ b/src/vmx/vmx.c @@ -55,6 +55,8 @@ def->mem.cur_balloon = <value kilobyte> <=> sched.mem.max = "<value megabyt def->mem.min_guarantee = <value kilobyte> <=> sched.mem.minsize = "<value megabyte>" # defaults to 0 def->maxvcpus = <value> <=> numvcpus = "<value>" # must be 1 or a multiple of 2, defaults to 1 def->cpumask = <uint list> <=> sched.cpu.affinity = "<uint list>" +def->cputune.shares = <value> <=> sched.cpu.shares = "<value>" # with handling for special values + # "high", "normal", "low" @@ -1200,6 +1202,7 @@ virVMXParseConfig(virVMXContext *ctx, virCapsPtr caps, const char *vmx) long long sched_mem_minsize = 0; long long numvcpus = 0; char *sched_cpu_affinity = NULL; + char *sched_cpu_shares = NULL; char *guestOS = NULL; bool smbios_reflecthost = false; int controller; @@ -1449,6 +1452,30 @@ virVMXParseConfig(virVMXContext *ctx, virCapsPtr caps, const char *vmx) } } + /* vmx:sched.cpu.shares -> def:cputune.shares */ + if (virVMXGetConfigString(conf, "sched.cpu.shares", &sched_cpu_shares, + true) < 0) { + goto cleanup; + } + + if (sched_cpu_shares != NULL) { + /* See http://www.vmware.com/support/developer/vc-sdk/visdk41pubs/ApiReference/v... */ + if (STRCASEEQ(sched_cpu_shares, "low")) { + def->cputune.shares = def->vcpus * 500; + } else if (STRCASEEQ(sched_cpu_shares, "normal")) { + def->cputune.shares = def->vcpus * 1000; + } else if (STRCASEEQ(sched_cpu_shares, "high")) { + def->cputune.shares = def->vcpus * 2000; + } else if (virStrToLong_ul(sched_cpu_shares, NULL, 10, + &def->cputune.shares) < 0) { + VMX_ERROR(VIR_ERR_INTERNAL_ERROR, + _("Expecting VMX entry 'sched.cpu.shares' to be an " + "unsigned integer or 'low', 'normal' or 'high' but " + "found '%s'"), sched_cpu_shares); + goto cleanup; + } + } + /* def:lifecycle */ def->onReboot = VIR_DOMAIN_LIFECYCLE_RESTART; def->onPoweroff = VIR_DOMAIN_LIFECYCLE_DESTROY; @@ -1715,6 +1742,7 @@ virVMXParseConfig(virVMXContext *ctx, virCapsPtr caps, const char *vmx) virConfFree(conf); VIR_FREE(encoding); VIR_FREE(sched_cpu_affinity); + VIR_FREE(sched_cpu_shares); VIR_FREE(guestOS); return def; @@ -2998,6 +3026,21 @@ virVMXFormatConfig(virVMXContext *ctx, virCapsPtr caps, virDomainDefPtr def, virBufferAddLit(&buffer, "\"\n"); } + /* def:cputune.shares -> vmx:sched.cpu.shares */ + if (def->cputune.shares > 0) { + /* See http://www.vmware.com/support/developer/vc-sdk/visdk41pubs/ApiReference/v... */ + if (def->cputune.shares == def->vcpus * 500) { + virBufferAddLit(&buffer, "sched.cpu.shares = \"low\"\n"); + } else if (def->cputune.shares == def->vcpus * 1000) { + virBufferAddLit(&buffer, "sched.cpu.shares = \"normal\"\n"); + } else if (def->cputune.shares == def->vcpus * 2000) { + virBufferAddLit(&buffer, "sched.cpu.shares = \"high\"\n"); + } else { + virBufferVSprintf(&buffer, "sched.cpu.shares = \"%lu\"\n", + def->cputune.shares); + } + } + /* def:graphics */ for (i = 0; i < def->ngraphics; ++i) { switch (def->graphics[i]->type) { diff --git a/tests/vmx2xmldata/vmx2xml-case-insensitive-1.vmx b/tests/vmx2xmldata/vmx2xml-case-insensitive-1.vmx index bd36cf8..8641c5c 100644 --- a/tests/vmx2xmldata/vmx2xml-case-insensitive-1.vmx +++ b/tests/vmx2xmldata/vmx2xml-case-insensitive-1.vmx @@ -35,7 +35,7 @@ UUID.BIOS = "50 11 5E 16 9B DC 49 D7-F1 71 53 C4 D7 F9 17 10" SNAPSHOT.ACTION = "KEEP" SCHED.CPU.MIN = "0" SCHED.CPU.UNITS = "MHZ" -SCHED.CPU.SHARES = "NORMAL" +SCHED.CPU.SHARES = "4223" SCHED.MEM.MINSIZE = "0" SCHED.MEM.SHARES = "NORMAL" TOOLSCRIPTS.AFTERPOWERON = "TRUE" diff --git a/tests/vmx2xmldata/vmx2xml-case-insensitive-1.xml b/tests/vmx2xmldata/vmx2xml-case-insensitive-1.xml index 7a5ff5b..ef6edd8 100644 --- a/tests/vmx2xmldata/vmx2xml-case-insensitive-1.xml +++ b/tests/vmx2xmldata/vmx2xml-case-insensitive-1.xml @@ -4,6 +4,9 @@ <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>4223</shares> + </cputune> <os> <type arch='i686'>hvm</type> </os> diff --git a/tests/vmx2xmldata/vmx2xml-case-insensitive-2.xml b/tests/vmx2xmldata/vmx2xml-case-insensitive-2.xml index 18d6461..02771b9 100644 --- a/tests/vmx2xmldata/vmx2xml-case-insensitive-2.xml +++ b/tests/vmx2xmldata/vmx2xml-case-insensitive-2.xml @@ -4,6 +4,9 @@ <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>1000</shares> + </cputune> <os> <type arch='i686'>hvm</type> </os> diff --git a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.vmx b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.vmx index 4392062..78741ae 100644 --- a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.vmx +++ b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.vmx @@ -36,7 +36,7 @@ uuid.bios = "50 11 5e 16 9b dc 49 d7-f1 71 53 c4 d7 f9 17 10" snapshot.action = "keep" sched.cpu.min = "0" sched.cpu.units = "mhz" -sched.cpu.shares = "normal" +sched.cpu.shares = "low" sched.mem.minsize = "0" sched.mem.shares = "normal" toolScripts.afterPowerOn = "true" diff --git a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.xml b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.xml index 5e67e74..e8f9307 100644 --- a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.xml +++ b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-1.xml @@ -4,6 +4,9 @@ <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>500</shares> + </cputune> <os> <type arch='i686'>hvm</type> </os> diff --git a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-4.xml b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-4.xml index 419df51..2824d66 100644 --- a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-4.xml +++ b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-4.xml @@ -4,6 +4,9 @@ <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>1000</shares> + </cputune> <os> <type arch='i686'>hvm</type> </os> diff --git a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-5.xml b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-5.xml index 0040163..6f0a9d1 100644 --- a/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-5.xml +++ b/tests/vmx2xmldata/vmx2xml-esx-in-the-wild-5.xml @@ -8,6 +8,9 @@ <min_guarantee>262144</min_guarantee> </memtune> <vcpu>2</vcpu> + <cputune> + <shares>2000</shares> + </cputune> <os> <type arch='x86_64'>hvm</type> </os> diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.vmx b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.vmx index e72ca80..9059197 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.vmx +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.vmx @@ -6,6 +6,7 @@ uuid.bios = "50 11 5e 16 9b dc 49 d7-f1 71 53 c4 d7 f9 17 10" displayName = "Fedora11" memsize = "1024" numvcpus = "1" +sched.cpu.shares = "low" scsi0.present = "true" scsi0.virtualDev = "lsilogic" scsi0:0.present = "true" diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.xml b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.xml index 3f4ff88..ea59778 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.xml +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-1.xml @@ -4,6 +4,9 @@ <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>500</shares> + </cputune> <os> <type>hvm</type> </os> diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.vmx b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.vmx index 627fcfb..504997f 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.vmx +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.vmx @@ -6,6 +6,7 @@ uuid.bios = "56 4d 9b ef ac d9 b4 e0-c8 f0 ae a8 b9 10 35 15" displayName = "virtMonServ1" memsize = "512" numvcpus = "1" +sched.cpu.shares = "normal" scsi0.present = "true" scsi0.virtualDev = "lsilogic" scsi0:0.present = "true" diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.xml b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.xml index 078753a..443aacd 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.xml +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-4.xml @@ -4,6 +4,9 @@ <memory>524288</memory> <currentMemory>524288</currentMemory> <vcpu>1</vcpu> + <cputune> + <shares>1000</shares> + </cputune> <os> <type>hvm</type> </os> diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.vmx b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.vmx index cc2485f..2e3b856 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.vmx +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.vmx @@ -8,6 +8,7 @@ annotation = "Centos 5.5 64bit Server" memsize = "2048" sched.mem.minsize = "256" numvcpus = "2" +sched.cpu.shares = "normal" scsi0.present = "true" scsi0.virtualDev = "lsilogic" scsi0:0.present = "true" diff --git a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.xml b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.xml index d55bf6b..f28c15e 100644 --- a/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.xml +++ b/tests/xml2vmxdata/xml2vmx-esx-in-the-wild-5.xml @@ -8,6 +8,9 @@ <min_guarantee>262144</min_guarantee> </memtune> <vcpu>2</vcpu> + <cputune> + <shares>2000</shares> + </cputune> <os> <type arch='x86_64'>hvm</type> </os>