diff --git a/misc/config_tools/launch_config/com.py b/misc/config_tools/launch_config/com.py
index 128472864..5897bc155 100644
--- a/misc/config_tools/launch_config/com.py
+++ b/misc/config_tools/launch_config/com.py
@@ -411,7 +411,7 @@ def launch_end(names, args, virt_io, vmid, config):
     uos_launch(names, args, virt_io, vmid, config)
 
 
-def set_dm_pt(names, sel, vmid, config):
+def set_dm_pt(names, sel, vmid, config, dm):
 
     uos_type = names['uos_types'][vmid]
 
@@ -449,8 +449,12 @@ def set_dm_pt(names, sel, vmid, config):
         print("   $boot_ipu_option      \\", file=config)
 
     if sel.bdf['ethernet'][vmid] and sel.slot['ethernet'][vmid]:
-        print("   -s {},passthru,{}/{}/{} \\".format(sel.slot["ethernet"][vmid], sel.bdf["ethernet"][vmid][0:2], \
-            sel.bdf["ethernet"][vmid][3:5], sel.bdf["ethernet"][vmid][6:7]), file=config)
+        if vmid in dm["enable_ptm"] and dm["enable_ptm"][vmid] == 'y':
+            print("   -s {},passthru,{}/{}/{},enable_ptm \\".format(sel.slot["ethernet"][vmid], sel.bdf["ethernet"][vmid][0:2], \
+                sel.bdf["ethernet"][vmid][3:5], sel.bdf["ethernet"][vmid][6:7]), file=config)
+        else:
+            print("   -s {},passthru,{}/{}/{} \\".format(sel.slot["ethernet"][vmid], sel.bdf["ethernet"][vmid][0:2], \
+                sel.bdf["ethernet"][vmid][3:5], sel.bdf["ethernet"][vmid][6:7]), file=config)
 
     if sel.bdf['sata'] and sel.slot["sata"][vmid]:
         print("   -s {},passthru,{}/{}/{} \\".format(sel.slot["sata"][vmid], sel.bdf["sata"][vmid][0:2], \
@@ -642,7 +646,7 @@ def dm_arg_set(names, sel, virt_io, dm, vmid, config):
         if not is_nuc_whl_linux(names, vmid):
             print("   -s {},wdt-i6300esb \\".format(launch_cfg_lib.virtual_dev_slot("wdt-i6300esb")), file=config)
 
-    set_dm_pt(names, sel, vmid, config)
+    set_dm_pt(names, sel, vmid, config, dm)
 
     if dm['console_vuart'][vmid] == "Enable":
         print("   -s {},uart,vuart_idx:0 \\".format(launch_cfg_lib.virtual_dev_slot("console_vuart")), file=config)
diff --git a/misc/config_tools/launch_config/launch_cfg_gen.py b/misc/config_tools/launch_config/launch_cfg_gen.py
index ed42e6af0..8a632c3d3 100644
--- a/misc/config_tools/launch_config/launch_cfg_gen.py
+++ b/misc/config_tools/launch_config/launch_cfg_gen.py
@@ -52,6 +52,7 @@ def get_launch_item_values(board_info, scenario_info=None):
     launch_item_values['uos,vuart0'] = launch_cfg_lib.DM_VUART0
     launch_item_values['uos,poweroff_channel'] = launch_cfg_lib.PM_CHANNEL
     launch_item_values["uos,cpu_affinity"] = board_cfg_lib.get_processor_info()
+    launch_item_values['uos,enable_ptm'] = launch_cfg_lib.PTM
     launch_cfg_lib.set_shm_regions(launch_item_values, scenario_info)
     launch_cfg_lib.set_pci_vuarts(launch_item_values, scenario_info)
 
diff --git a/misc/config_tools/launch_config/launch_item.py b/misc/config_tools/launch_config/launch_item.py
index 295fe2fdc..a1c046aa0 100644
--- a/misc/config_tools/launch_config/launch_item.py
+++ b/misc/config_tools/launch_config/launch_item.py
@@ -36,6 +36,7 @@ class AcrnDmArgs:
         self.args["xhci"] = common.get_leaf_tag_map(self.launch_info, "usb_xhci")
         self.args["communication_vuarts"] = common.get_leaf_tag_map(self.launch_info, "communication_vuarts", "communication_vuart")
         self.args["console_vuart"] = common.get_leaf_tag_map(self.launch_info, "console_vuart")
+        self.args["enable_ptm"] = common.get_leaf_tag_map(self.launch_info, "enable_ptm")
 
     def check_item(self):
         (rootfs, num) = board_cfg_lib.get_rootfs(self.board_info)
@@ -44,12 +45,14 @@ class AcrnDmArgs:
         launch_cfg_lib.mem_size_check(self.args["mem_size"], "mem_size")
         launch_cfg_lib.args_aval_check(self.args["vbootloader"], "vbootloader", launch_cfg_lib.BOOT_TYPE)
         launch_cfg_lib.args_aval_check(self.args["vuart0"], "vuart0", launch_cfg_lib.DM_VUART0)
+        launch_cfg_lib.args_aval_check(self.args["enable_ptm"], "enable_ptm", launch_cfg_lib.PTM)
         cpu_affinity = launch_cfg_lib.uos_cpu_affinity(self.args["cpu_affinity"])
         err_dic = scenario_cfg_lib.vm_cpu_affinity_check(self.launch_info, cpu_affinity, "pcpu_id")
         launch_cfg_lib.ERR_LIST.update(err_dic)
         launch_cfg_lib.check_shm_regions(self.args["shm_regions"], self.scenario_info)
         launch_cfg_lib.check_console_vuart(self.args["console_vuart"],self.args["vuart0"], self.scenario_info)
         launch_cfg_lib.check_communication_vuart(self.args["communication_vuarts"], self.scenario_info)
+        launch_cfg_lib.check_enable_ptm(self.args["enable_ptm"], self.scenario_info)
 
 
 class AvailablePthru():
diff --git a/misc/config_tools/library/launch_cfg_lib.py b/misc/config_tools/library/launch_cfg_lib.py
index 770682acd..be2511095 100644
--- a/misc/config_tools/library/launch_cfg_lib.py
+++ b/misc/config_tools/library/launch_cfg_lib.py
@@ -8,11 +8,14 @@ import getopt
 import common
 import board_cfg_lib
 import scenario_cfg_lib
+import lxml
+import lxml.etree
 
 ERR_LIST = {}
 BOOT_TYPE = ['no', 'vsbl', 'ovmf']
 RTOS_TYPE = ['no', 'Soft RT', 'Hard RT']
 DM_VUART0 = ['Disable', 'Enable']
+PTM = ['y', 'n']
 UOS_TYPES = ['CLEARLINUX', 'ANDROID', 'ALIOS', 'PREEMPT-RT LINUX', 'VXWORKS', 'WINDOWS', 'ZEPHYR', 'YOCTO', 'UBUNTU', 'GENERIC LINUX']
 LINUX_LIKE_OS = ['CLEARLINUX', 'PREEMPT-RT LINUX', 'YOCTO', 'UBUNTU', 'GENERIC LINUX']
 
@@ -668,4 +671,12 @@ def check_communication_vuart(launch_communication_vuarts, scenario_info):
                 if uos_id in vuart1_setting.keys() and vuart1_setting[uos_id]['base'] != "INVALID_COM_BASE":
                     ERR_LIST[vuart_key] = "uos {}'s communication_vuart 1 and legacy_vuart 1 should " \
                         "not be configured at the same time.".format(uos_id)
-                return
\ No newline at end of file
+                return
+
+def check_enable_ptm(launch_enable_ptm, scenario_info):
+    scenario_etree = lxml.etree.parse(scenario_info)
+    enable_ptm_vm_list = scenario_etree.xpath("//vm[PTM = 'y']/@id")
+    for uos_id, enable_ptm in launch_enable_ptm.items():
+        key = 'uos:id={},enable_ptm'.format(uos_id)
+        if enable_ptm == 'y' and str(uos_id) not in enable_ptm_vm_list:
+            ERR_LIST[key] = "PTM of uos:{} set to 'n' in scenario xml".format(uos_id)
diff --git a/misc/config_tools/schema/config.xsd b/misc/config_tools/schema/config.xsd
index 86bf54a32..baaa66253 100644
--- a/misc/config_tools/schema/config.xsd
+++ b/misc/config_tools/schema/config.xsd
@@ -420,6 +420,11 @@ its ``id`` attribute. When it is enabled, specify which target VM's vUART the cu
       </xs:annotation>
     </xs:element>
     <xs:element name="board_private" type="BoardPrivateConfiguration" minOccurs="0" />
+    <xs:element name="PTM" type="Boolean" default="n" minOccurs="0">
+      <xs:annotation>
+        <xs:documentation>Enable and disable PTM(Precision Timing Measurement) feature.</xs:documentation>
+      </xs:annotation>
+    </xs:element>
   </xs:all>
   <xs:attribute name="id" type="xs:integer" />
 
diff --git a/misc/config_tools/xforms/lib.xsl b/misc/config_tools/xforms/lib.xsl
index 8dcf6613e..dcdb98c26 100644
--- a/misc/config_tools/xforms/lib.xsl
+++ b/misc/config_tools/xforms/lib.xsl
@@ -311,12 +311,25 @@
       <xsl:variable name="communication_vuart" select="count(./communication_vuart/base[text() = 'PCI_VUART'])" />
       <xsl:variable name="pci_devs" select="count(./pci_devs/pci_dev[text() != ''])" />
       <xsl:variable name="pci_hostbridge" select="1" />
+      <xsl:variable name="virtual_root_port">
+        <xsl:choose>
+          <xsl:when test="./PTM = 'y'">
+            <xsl:value-of select="1" />
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:value-of select="0" />
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:variable>
       <xsl:if test="acrn:is-pre-launched-vm($vmtype)">
         <xsl:if test="$ivshmem + $console_vuart + $communication_vuart + $pci_devs > 0">
           <func:result select="$ivshmem + $console_vuart + $communication_vuart + $pci_devs + $pci_hostbridge" />
         </xsl:if>
       </xsl:if>
-      <xsl:if test="acrn:is-post-launched-vm($vmtype) or acrn:is-sos-vm($vmtype)">
+      <xsl:if test="acrn:is-post-launched-vm($vmtype)">
+        <func:result select="$ivshmem + $console_vuart + $communication_vuart + $virtual_root_port" />
+      </xsl:if>
+      <xsl:if test="acrn:is-sos-vm($vmtype)">
         <func:result select="$ivshmem + $console_vuart + $communication_vuart" />
       </xsl:if>
     </xsl:for-each>
diff --git a/misc/config_tools/xforms/pci_dev.c.xsl b/misc/config_tools/xforms/pci_dev.c.xsl
index dbbdd56d4..d5c34aee8 100644
--- a/misc/config_tools/xforms/pci_dev.c.xsl
+++ b/misc/config_tools/xforms/pci_dev.c.xsl
@@ -48,6 +48,9 @@
     <xsl:apply-templates select="console_vuart" />
     <xsl:apply-templates select="communication_vuart" />
     <xsl:apply-templates select="pci_devs" />
+    <xsl:if test="acrn:is-post-launched-vm(vm_type)">
+      <xsl:apply-templates select="PTM" />
+    </xsl:if>
 
     <xsl:if test="acrn:is-sos-vm(vm_type) or acrn:pci-dev-num(@id)">
       <xsl:value-of select="$end_of_array_initializer" />
@@ -164,4 +167,15 @@
     </xsl:for-each>
   </xsl:template>
 
+  <xsl:template match="PTM">
+    <xsl:if test="text() = 'y'">
+      <xsl:text>{</xsl:text>
+      <xsl:value-of select="$newline" />
+      <xsl:value-of select="acrn:initializer('vbdf.value', 'UNASSIGNED_VBDF', '')" />
+      <xsl:value-of select="acrn:initializer('vrp_sec_bus', '1', '')" />
+      <xsl:text>},</xsl:text>
+      <xsl:value-of select="$newline" />
+    </xsl:if>
+  </xsl:template>
+
 </xsl:stylesheet>