Index: configure.ac
===================================================================
--- configure.ac	(revision 129)
+++ configure.ac	(working copy)
@@ -69,6 +69,11 @@
    AC_DEFINE(HAVE_OPENVZ, 1, [Define if openvz support enabled.])
 fi
 
+AC_ARG_ENABLE(vserver, [AC_HELP_STRING([--enable-vserver], [enable Linux-VServer support])], ,enable_vserver="no")
+if test "x$enable_vserver" = xyes; then
+   AC_DEFINE(HAVE_VSERVER, 1, [Define if Linux-VServer support enabled.])
+fi
+
 AC_ARG_ENABLE(taskstats, [AC_HELP_STRING([--enable-taskstats], [enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
 if test "x$enable_taskstats" = xyes; then
     AC_DEFINE(HAVE_TASKSTATS, 1, [Define if taskstats support enabled.])
Index: ProcessList.c
===================================================================
--- ProcessList.c	(revision 129)
+++ ProcessList.c	(working copy)
@@ -640,6 +640,24 @@
             }
             #endif
  
+            #ifdef HAVE_VSERVER
+            snprintf(statusfilename, MAX_NAME, "%s/%s/status", dirname, name);
+            if (access(statusfilename, R_OK) != 0) {
+               process->ctx = 0;
+            } else {
+               status = ProcessList_fopen(this, statusfilename, "r");
+               if (status == NULL)
+                  goto errorReadingProcess;
+               char buffer[128];
+               while (!feof(status)) {
+                  fgets(buffer, 128, status);
+                  if (strncmp(buffer, "VxID:", 5) == 0)
+                      ProcessList_read(this, buffer, "VxID: %u", &process->ctx);
+               }
+               fclose(status);
+            }
+            #endif
+ 
             snprintf(statusfilename, MAX_NAME, "%s/%s/cmdline", dirname, name);
             status = ProcessList_fopen(this, statusfilename, "r");
             if (!status) {
Index: Process.c
===================================================================
--- Process.c	(revision 129)
+++ Process.c	(working copy)
@@ -159,6 +159,9 @@
 #ifdef HAVE_OPENVZ
    "VEID", "VPID",
 #endif
+#ifdef HAVE_VSERVER
+   "CTX",
+#endif
 #ifdef HAVE_TASKSTATS
    "RCHAR", "WCHAR", "SYSCR", "SYSCW", "RBYTES", "WBYTES", "CNCLWB",
    "IO_READ_RATE", "IO_WRITE_RATE", "IO_RATE",
@@ -178,6 +181,9 @@
 #ifdef HAVE_OPENVZ
    " VEID ", " VPID ",
 #endif
+#ifdef HAVE_VSERVER
+   " CTX ",
+#endif
 #ifdef HAVE_TASKSTATS
    "   RD_CHAR ", "   WR_CHAR ", "   RD_SYSC ", "   WR_SYSC ", "     IO_RD ", "     IO_WR ", " IO_CANCEL ",
    " IORR ", " IOWR ", "   IO ",
@@ -388,6 +394,9 @@
    case VEID: snprintf(buffer, n, "%5u ", this->veid); break;
    case VPID: snprintf(buffer, n, "%5u ", this->vpid); break;
    #endif
+   #ifdef HAVE_VSERVER
+   case CTX: snprintf(buffer, n, "%5u ", this->ctx); break;
+   #endif
    #ifdef HAVE_TASKSTATS
    case RCHAR:  snprintf(buffer, n, "%10llu ", this->io_rchar); break;
    case WCHAR:  snprintf(buffer, n, "%10llu ", this->io_wchar); break;   
@@ -556,6 +565,10 @@
    case VPID:
       return (p1->vpid - p2->vpid);
    #endif
+   #ifdef HAVE_VSERVER
+   case CTX:
+      return (p1->ctx - p2->ctx);
+   #endif
    #ifdef HAVE_TASKSTATS
    case RCHAR:  diff = p2->io_rchar - p1->io_rchar; goto test_diff;
    case WCHAR:  diff = p2->io_wchar - p1->io_wchar; goto test_diff;
Index: Process.h
===================================================================
--- Process.h	(revision 129)
+++ Process.h	(working copy)
@@ -51,6 +51,9 @@
    #ifdef HAVE_OPENVZ
    VEID, VPID,
    #endif
+   #ifdef HAVE_VSERVER
+   CTX,
+   #endif
    #ifdef HAVE_TASKSTATS
    RCHAR, WCHAR, SYSCR, SYSCW, RBYTES, WBYTES, CNCLWB, IO_READ_RATE, IO_WRITE_RATE, IO_RATE,
    #endif
@@ -126,6 +129,9 @@
    unsigned int veid;
    unsigned int vpid;
    #endif
+   #ifdef HAVE_VSERVER
+   unsigned int ctx;
+   #endif
    #ifdef HAVE_TASKSTATS
    unsigned long long io_rchar;
    unsigned long long io_wchar;