Changeset 61870 in vbox for trunk/src/VBox/Runtime/testcase/tstRTCritSectRw.cpp

Timestamp:

Jun 24, 2016 6:38:49 AM (9 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

108286

Message:

tstRTCritSectRW, tstRTSemRW: don't benchmark on systems with only 1 host core

File:

• trunk/src/VBox/Runtime/testcase/tstRTCritSectRw.cpp (modified) (4 diffs)

trunk/src/VBox/Runtime/testcase/tstRTCritSectRw.cpp

@@ -36 +36 @@
 #include <iprt/initterm.h>
 #include <iprt/lockvalidator.h>
+#include <iprt/mp.h>
 #include <iprt/rand.h>
 #include <iprt/semaphore.h>
@@ -454 +455 @@
     if (Test1())
     {
+        RTCPUID cCores = RTMpGetOnlineCoreCount();
         if (argc == 1)
         {
@@ -466 +468 @@
             Test4(     10,      10,           10,  false,  false);
 
-            RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "benchmarking...\n");
-            for (unsigned cThreads = 1; cThreads < 32; cThreads++)
+            if (cCores > 1)
+            {
+                RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "benchmarking (%u CPU cores)...\n", cCores);
+                for (unsigned cThreads = 1; cThreads < 32; cThreads++)
                 Test4(cThreads,  2,            1,  false,   true);
+            }
+            else
+                RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "skipping benchmarking (only %u core available)\n", cCores);
 
             /** @todo add a testcase where some stuff times out. */
@@ -474 +481 @@
         else
         {
-            /*    threads, seconds, writePercent,  yield,  quiet */
-            RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "benchmarking...\n");
-            Test4(      1,       3,            1,  false,   true);
-            Test4(      1,       3,            1,  false,   true);
-            Test4(      1,       3,            1,  false,   true);
-            Test4(      2,       3,            1,  false,   true);
-            Test4(      2,       3,            1,  false,   true);
-            Test4(      2,       3,            1,  false,   true);
-            Test4(      3,       3,            1,  false,   true);
-            Test4(      3,       3,            1,  false,   true);
-            Test4(      3,       3,            1,  false,   true);
+            if (cCores > 1)
+            {
+                /*    threads, seconds, writePercent,  yield,  quiet */
+                RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "benchmarking (%u CPU cores)...\n", cCores);
+                Test4(      1,       3,            1,  false,   true);
+                Test4(      1,       3,            1,  false,   true);
+                Test4(      1,       3,            1,  false,   true);
+                Test4(      2,       3,            1,  false,   true);
+                Test4(      2,       3,            1,  false,   true);
+                Test4(      2,       3,            1,  false,   true);
+                Test4(      3,       3,            1,  false,   true);
+                Test4(      3,       3,            1,  false,   true);
+                Test4(      3,       3,            1,  false,   true);
+            }
+            else
+                RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "skipping benchmarking (only %u core available)\n", cCores);
         }
     }