[PATCH 03/12] migration/migration-pin: support migration thread pin by virsh command
Signed-off-by: Jiang Jiacheng <jiangjiacheng(a)huawei.com>
---
tools/virsh-domain.c | 69 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 69 insertions(+)
diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 2d162cf8c0..e17c526850 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -13760,6 +13760,69 @@ cmdDomDirtyRateCalc(vshControl *ctl, const vshCmd *cmd)
}
+/*
+ * "migrationpin" command
+ */
+static const vshCmdInfo info_migrationpin[] = {
+ {.name = "help",
+ .data = N_("control domain migrationThreads affinity")
+ },
+ {.name = "desc",
+ .data = N_("Pin domain migrationThreads to host physical CPUs.")
+ },
+ {.name = NULL}
+};
+
+static const vshCmdOptDef opts_migrationpin[] = {
+ VIRSH_COMMON_OPT_DOMAIN_FULL(0),
+ {.name = "cpulist",
+ .type = VSH_OT_DATA,
+ .flags = VSH_OFLAG_REQ,
+ .help = N_("host cpu number(s) to set")
+ },
+ {.name = NULL}
+};
+
+static bool
+cmdMigrationPin(vshControl *ctl, const vshCmd *cmd)
+{
+ g_autoptr(virshDomain) dom = NULL;
+ const char *name = NULL;
+ const char *cpulist = NULL;
+ int maxcpu;
+ g_autofree unsigned char *cpumap = NULL;
+ int cpumaplen;
+ virshControl *priv = ctl->privData;
+
+ dom = virshCommandOptDomain(ctl, cmd, NULL);
+ if (!dom)
+ return false;
+
+ if (vshCommandOptStringReq(ctl, cmd, "domain", &name) < 0)
+ return false;
+
+ if (vshCommandOptStringReq(ctl, cmd, "cpulist", &cpulist) < 0)
+ return false;
+
+ maxcpu = virshNodeGetCPUCount(priv->conn);
+ if (maxcpu < 0)
+ return false;
+
+ cpumap = virshParseCPUList(ctl, &cpumaplen, cpulist, maxcpu);
+ if (!cpumap)
+ return false;
+
+ if (virDomainPinMigrationThread(dom, cpumap,
+ cpumaplen) != 0)
+ return false;
+
+ vshPrintExtra(ctl, _("Pin domain %s's migration thread "
+ "to cpulist %s success.\n"), name, cpulist);
+
+ return true;
+}
+
+
const vshCmdDef domManagementCmds[] = {
{.name = "attach-device",
.handler = cmdAttachDevice,
@@ -14417,5 +14480,11 @@ const vshCmdDef domManagementCmds[] = {
.info = info_domdirtyrate_calc,
.flags = 0
},
+ {.name = "migrationpin",
+ .handler = cmdMigrationPin,
+ .opts = opts_migrationpin,
+ .info = info_migrationpin,
+ .flags = 0
+ },
{.name = NULL}
};
--
2.33.0