[Assorted-commits] SF.net SVN: assorted: [400] numa-bench/trunk/src/avail.cc

[<yan...@us...>]

Revision: 400
          http://assorted.svn.sourceforge.net/assorted/?rev=400&view=rev
Author:   yangzhang
Date:     2008-02-12 23:58:00 -0800 (Tue, 12 Feb 2008)

Log Message:
-----------
added libnuma env info

Modified Paths:
--------------
    numa-bench/trunk/src/avail.cc

Modified: numa-bench/trunk/src/avail.cc
===================================================================
--- numa-bench/trunk/src/avail.cc	2008-02-13 03:26:47 UTC (rev 399)
+++ numa-bench/trunk/src/avail.cc	2008-02-13 07:58:00 UTC (rev 400)
@@ -1,7 +1,38 @@
+//
+// Dump environment information provided by libnuma.
+//
+
+#include <iostream>
+#include <iomanip>
 #include <numa.h>
 
+#include <commons/check.h>
+
+using namespace commons;
+using namespace std;
+
 int
 main()
 {
-  return numa_available() < 0;
+  if (numa_available() < 0) {
+    cout << "no numa" << endl;
+  } else {
+    for (int node = 0; node <= numa_max_node(); node++) {
+      // Print node sizes.
+      long long free, size = numa_node_size64(node, &free);
+      check(-1 != size);
+      cout << "node " << node << " size " << size << " free " << free << " cpus ";
+
+      // Print node CPUs.
+      const int buflen = 512;
+      unsigned long buffer[buflen];
+      check(0 == numa_node_to_cpus(node, buffer, buflen));
+      // TODO # cpus?
+      for (int i = 0; i < 1; i++) {
+        cout << hex << setfill('0') << setw(4) << buffer[i] << dec << ' ';
+      }
+      cout << endl;
+    }
+  }
+  return 0;
 }


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