C++ (Cpp) virCgroupSetCpuCfsPeriod Examples

Example #1

File: lxc_cgroup.c Project: aurex-linux/libvirt

static int virLXCCgroupSetupCpuTune(virDomainDefPtr def,
                                    virCgroupPtr cgroup)
{
    int ret = -1;

    if (def->cputune.sharesSpecified) {
        unsigned long long val;
        if (virCgroupSetCpuShares(cgroup, def->cputune.shares) < 0)
            goto cleanup;

        if (virCgroupGetCpuShares(cgroup, &val) < 0)
            goto cleanup;
        def->cputune.shares = val;
    }

    if (def->cputune.quota != 0 &&
        virCgroupSetCpuCfsQuota(cgroup, def->cputune.quota) < 0)
        goto cleanup;

    if (def->cputune.period != 0 &&
        virCgroupSetCpuCfsPeriod(cgroup, def->cputune.period) < 0)
        goto cleanup;

    ret = 0;
 cleanup:
    return ret;
}

Example #2

File: lxc_cgroup.c Project: mohankku/libvirt

static int virLXCCgroupSetupCpuTune(virDomainDefPtr def,
                                    virCgroupPtr cgroup)
{
    int ret = -1;
    if (def->cputune.shares != 0) {
        int rc = virCgroupSetCpuShares(cgroup, def->cputune.shares);
        if (rc != 0) {
            virReportSystemError(-rc,
                                 _("Unable to set io cpu shares for domain %s"),
                                 def->name);
            goto cleanup;
        }
    }
    if (def->cputune.quota != 0) {
        int rc = virCgroupSetCpuCfsQuota(cgroup, def->cputune.quota);
        if (rc != 0) {
            virReportSystemError(-rc,
                                 _("Unable to set io cpu quota for domain %s"),
                                 def->name);
            goto cleanup;
        }
    }
    if (def->cputune.period != 0) {
        int rc = virCgroupSetCpuCfsPeriod(cgroup, def->cputune.period);
        if (rc != 0) {
            virReportSystemError(-rc,
                                 _("Unable to set io cpu period for domain %s"),
                                 def->name);
            goto cleanup;
        }
    }
    ret = 0;
cleanup:
    return ret;
}

Example #3

File: qemu_cgroup.c Project: hariramshankar/libvirt

int
qemuSetupCgroupVcpuBW(virCgroupPtr cgroup,
                      unsigned long long period,
                      long long quota)
{
    unsigned long long old_period;

    if (period == 0 && quota == 0)
        return 0;

    if (period) {
        /* get old period, and we can rollback if set quota failed */
        if (virCgroupGetCpuCfsPeriod(cgroup, &old_period) < 0)
            return -1;

        if (virCgroupSetCpuCfsPeriod(cgroup, period) < 0)
            return -1;
    }

    if (quota &&
        virCgroupSetCpuCfsQuota(cgroup, quota) < 0)
        goto error;

    return 0;

 error:
    if (period) {
        virErrorPtr saved = virSaveLastError();
        ignore_value(virCgroupSetCpuCfsPeriod(cgroup, old_period));
        if (saved) {
            virSetError(saved);
            virFreeError(saved);
        }
    }

    return -1;
}

Example #4

File: lxc_cgroup.c Project: cbosdo/libvirt

static int virLXCCgroupSetupCpuTune(virDomainDefPtr def,
                                    virCgroupPtr cgroup)
{
    int ret = -1;
    if (def->cputune.shares != 0 &&
        virCgroupSetCpuShares(cgroup, def->cputune.shares) < 0)
        goto cleanup;

    if (def->cputune.quota != 0 &&
        virCgroupSetCpuCfsQuota(cgroup, def->cputune.quota) < 0)
        goto cleanup;

    if (def->cputune.period != 0 &&
        virCgroupSetCpuCfsPeriod(cgroup, def->cputune.period) < 0)
        goto cleanup;

    ret = 0;
cleanup:
    return ret;
}