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[Xen-changelog] [xen-unstable] libxl: log on failure in cpupool_info and libxl__domain_cpupool


  • To: xen-changelog@xxxxxxxxxxxxxxxxxxx
  • From: Xen patchbot-unstable <patchbot@xxxxxxx>
  • Date: Wed, 04 Jul 2012 04:11:30 +0000
  • Delivery-date: Wed, 04 Jul 2012 04:11:35 +0000
  • List-id: "Change log for Mercurial \(receive only\)" <xen-changelog.lists.xen.org>

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1340956699 -3600
# Node ID d70030d6a87c7237afa78435b3a9b2a11628a63b
# Parent  19d48015b5aa38ca913962a4cc7367bb79ed7244
libxl: log on failure in cpupool_info and libxl__domain_cpupool

Also in cpupool_info propagate the failure value from
libxl_cpumap_alloc.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
---


diff -r 19d48015b5aa -r d70030d6a87c tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Fri Jun 29 08:57:11 2012 +0100
+++ b/tools/libxl/libxl.c       Fri Jun 29 08:58:19 2012 +0100
@@ -571,16 +571,27 @@ static int cpupool_info(libxl__gc *gc,
 
     xcinfo = xc_cpupool_getinfo(CTX->xch, poolid);
     if (xcinfo == NULL)
+    {
+        LOGE(ERROR, "failed to get info for cpupool%d\n", poolid);
         return ERROR_FAIL;
+    }
 
     if (exact && xcinfo->cpupool_id != poolid)
+    {
+        LOG(ERROR, "got info for cpupool%d, wanted cpupool%d\n",
+            xcinfo->cpupool_id, poolid);
         goto out;
+    }
 
     info->poolid = xcinfo->cpupool_id;
     info->sched = xcinfo->sched_id;
     info->n_dom = xcinfo->n_dom;
-    if (libxl_cpumap_alloc(CTX, &info->cpumap, 0))
+    rc = libxl_cpumap_alloc(CTX, &info->cpumap, 0);
+    if (rc)
+    {
+        LOG(ERROR, "unable to allocate cpumap %d\n", rc);
         goto out;
+    }
     memcpy(info->cpumap.map, xcinfo->cpumap, info->cpumap.size);
 
     rc = 0;
diff -r 19d48015b5aa -r d70030d6a87c tools/libxl/libxl_dom.c
--- a/tools/libxl/libxl_dom.c   Fri Jun 29 08:57:11 2012 +0100
+++ b/tools/libxl/libxl_dom.c   Fri Jun 29 08:58:19 2012 +0100
@@ -64,10 +64,15 @@ int libxl__domain_cpupool(libxl__gc *gc,
 
     ret = xc_domain_getinfolist(CTX->xch, domid, 1, &info);
     if (ret != 1)
+    {
+        LOGE(ERROR, "getinfolist failed %d\n", ret);
         return ERROR_FAIL;
+    }
     if (info.domain != domid)
+    {
+        LOGE(ERROR, "got info for dom%d, wanted dom%d\n", info.domain, domid);
         return ERROR_FAIL;
-
+    }
     return info.cpupool;
 }
 

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