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From: lihong <lihongx.ma@intel.com>
To: dts@dpdk.org
Cc: yinan.wang@intel.com, lihong <lihongx.ma@intel.com>
Subject: [dts] [PATCH V1 2/3][migration] framework: update code support migration
Date: Thu, 10 Oct 2019 08:19:05 +0800
Message-ID: <1570666746-12853-2-git-send-email-lihongx.ma@intel.com> (raw)
In-Reply-To: <1570666746-12853-1-git-send-email-lihongx.ma@intel.com>

Signed-off-by: lihong <lihongx.ma@intel.com>
---
 framework/virt_base.py |  8 ++++++++
 framework/virt_dut.py  | 12 ++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/framework/virt_base.py b/framework/virt_base.py
index 7c1e1de..6e3462c 100644
--- a/framework/virt_base.py
+++ b/framework/virt_base.py
@@ -65,6 +65,8 @@ class VirtBase(object):
         self.host_dut = dut
         self.vm_name = vm_name
         self.suite = suite_name
+        # indicate whether the current vm is migration vm
+        self.migration_vm = False
 
         # create self used host session, need close it later
         self.host_session = self.host_dut.new_session(self.vm_name)
@@ -330,6 +332,8 @@ class VirtBase(object):
         """
         try:
             if self.vm_status is ST_PAUSE:
+                # flag current vm is migration vm
+                self.migration_vm = True
                 # connect backup vm dut and it just inherited from host
                 vm_dut = self.instantiate_vm_dut(set_target, cpu_topo, bind_dev=False, autodetect_topo=False)
         except Exception as vm_except:
@@ -419,9 +423,13 @@ class VirtBase(object):
         vm_dut.host_dut = self.host_dut
         vm_dut.host_session = self.host_session
         vm_dut.init_log()
+        vm_dut.migration_vm = self.migration_vm
 
         read_cache = False
         skip_setup = self.host_dut.skip_setup
+        # if current vm is migration vm, skip compile dpdk
+        if self.migration_vm:
+	        skip_setup = True
         base_dir = self.host_dut.base_dir
         vm_dut.set_speedup_options(read_cache, skip_setup)
 
diff --git a/framework/virt_dut.py b/framework/virt_dut.py
index b6f40d8..e4394b9 100644
--- a/framework/virt_dut.py
+++ b/framework/virt_dut.py
@@ -58,6 +58,7 @@ class VirtDut(DPDKdut):
         self.hyper = hyper
         self.cpu_topo = cpu_topo
         self.dut_id = dut_id
+        self.migration_vm = False
 
         self.vm_ip = crb['IP']
         self.NAME = 'virtdut' + LOG_NAME_SEP + '%s' % self.vm_ip
@@ -186,10 +187,13 @@ class VirtDut(DPDKdut):
         self.update_ports()
 
         # restore dut ports to kernel
-        if self.virttype != 'XEN':
-            self.restore_interfaces()
-        else:
-            self.restore_interfaces_domu()
+        # if current vm is migration vm, skip restore dut ports
+        # because there maybe have some app have run
+        if not self.migration_vm:
+            if self.virttype != 'XEN':
+                self.restore_interfaces()
+            else:
+                self.restore_interfaces_domu()
         # rescan ports after interface up
         self.rescan_ports()
 
-- 
2.7.4


  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10  0:19 [dts] [PATCH V1 1/3][migration] conf: add config file of vhost_user_live_migration lihong
2019-10-10  0:19 ` lihong [this message]
2019-10-10  8:04   ` [dts] [PATCH V1 2/3][migration] framework: update code support migration Wang, Yinan
2019-10-10  0:19 ` [dts] [PATCH V1 3/3][migration] tests/vhost_user_live_migration: update code lihong
2019-10-10  8:03   ` Wang, Yinan
2019-10-10  8:04 ` [dts] [PATCH V1 1/3][migration] conf: add config file of vhost_user_live_migration Wang, Yinan
2019-10-12  6:09 ` Tu, Lijuan

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