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cputune: Support cputune for xend driver

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Not sure if it's the correct way to add cputune xml for xend driver,
and besides, seems "xm driver" and "xen hypervisor" also support
vcpu affinity, do we need to add support for them too?
This commit is contained in:
Osier Yang 2011-03-29 21:43:41 +08:00
parent e98eb7f4a5
commit 01692bb167
1 changed files with 26 additions and 4 deletions
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30
src/xen/xend_internal.c
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@ -2233,11 +2233,12 @@ xenDaemonDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
*/
int
xenDaemonDomainPinVcpu(virDomainPtr domain, unsigned int vcpu,
unsigned char *cpumap, int maplen)
unsigned char *cpumap, int maplen)
{
char buf[VIR_UUID_BUFLEN], mapstr[sizeof(cpumap_t) * 64];
int i, j;
int i, j, ret;
xenUnifiedPrivatePtr priv;
virDomainDefPtr def = NULL;
if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)
|| (cpumap == NULL) || (maplen < 1) || (maplen > (int)sizeof(cpumap_t))) {
@ -2265,8 +2266,29 @@ xenDaemonDomainPinVcpu(virDomainPtr domain, unsigned int vcpu,
mapstr[strlen(mapstr) - 1] = 0;
snprintf(buf, sizeof(buf), "%d", vcpu);
return(xend_op(domain->conn, domain->name, "op", "pincpu", "vcpu", buf,
"cpumap", mapstr, NULL));
ret = xend_op(domain->conn, domain->name, "op", "pincpu", "vcpu", buf,
"cpumap", mapstr, NULL);
if (!(def = xenDaemonDomainFetch(domain->conn,
domain->id,
domain->name,
NULL)))
goto cleanup;
if (ret == 0) {
if (virDomainVcpupinAdd(def, cpumap, maplen, vcpu) < 0) {
virXendError(VIR_ERR_INTERNAL_ERROR,
"%s", _("failed to add vcpupin xml entry"));
return (-1);
}
}
return ret;
cleanup:
virDomainDefFree(def);
return -1;
}
/**