[Xen-devel] [PATCH] Add support for cpuinfo data on Solaris

[John Levon <john.levon@xxxxxxx>]

# HG changeset patch
# User John Levon <john.levon@xxxxxxx>
# Date 1236821986 25200
# Node ID c4e1d1b3840452209ad59a00445b8e1718d469da
# Parent  1c21089405bfa50278680c5f4d40c4956325b377
Add support for cpuinfo data on Solaris

Signed-off-by: Russell Blaine <russell.blaine@xxxxxxx>

diff --git a/tools/python/xen/xend/osdep.py b/tools/python/xen/xend/osdep.py
--- a/tools/python/xen/xend/osdep.py
+++ b/tools/python/xen/xend/osdep.py
@@ -18,6 +18,7 @@
 # Use is subject to license terms.
 
 import os
+import commands
 
 _scripts_dir = {
     "Linux": "/etc/xen/scripts",
@@ -142,7 +143,53 @@ def _linux_get_cpuinfo():
     finally:
         f.close()
 
+def _solaris_get_cpuinfo():
+    cpuinfo = {}
+
+    # call kstat to extrace specific cpu_info output
+    cmd = "/usr/bin/kstat -p -c misc -m cpu_info"
+    kstatoutput = commands.getoutput (cmd)
+
+    # walk each line
+    for kstatline in kstatoutput.split('\n'):
+
+        # split the line on 
+        # module:cpu #:module#:name value
+        (module, cpunum, combo, namevalue) = kstatline.split (":")
+
+        # check to see if this cpunum is already a key.  If not,
+        # initialize an empty hash table
+        if not cpuinfo.has_key (int(cpunum)):
+            cpuinfo[int(cpunum)] = {}
+
+        # split the namevalue output on whitespace
+        data = namevalue.split()
+
+        # the key will be data[0]
+        key = data[0]
+
+        # check the length of the data list.  If it's larger than
+        # 2, join the rest of the list together with a space.
+        # Otherwise, value is just data[1]
+        if len (data) > 2:
+            value = ' '.join (data[1:])
+        else:
+            value = data[1]
+
+        # add this key/value pair to the cpuhash
+        cpuinfo[int(cpunum)][key] = value
+    
+    # Translate Solaris tokens into what Xend expects
+    for key in cpuinfo.keys():
+        cpuinfo[key]["flags"] = ""
+        cpuinfo[key]["model name"] = cpuinfo[key]["brand"]
+        cpuinfo[key]["cpu MHz"] = cpuinfo[key]["clock_MHz"]
+
+    # return the hash table
+    return cpuinfo
+
 _get_cpuinfo = {
+    "SunOS": _solaris_get_cpuinfo
 }
 
 def _get(var, default=None):

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