[Lldb-commits] [lldb] r176062 - <rdar://problem/13282582>

[Han Ming Ong]

Author: hanming
Date: Mon Feb 25 18:04:29 2013
New Revision: 176062

URL: http://llvm.org/viewvc/llvm-project?rev=176062&view=rev
Log:
<rdar://problem/13282582>

Really don't call sysctl again when we already have the result.

Modified:
    lldb/trunk/tools/debugserver/source/MacOSX/MachTask.cpp

Modified: lldb/trunk/tools/debugserver/source/MacOSX/MachTask.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/debugserver/source/MacOSX/MachTask.cpp?rev=176062&r1=176061&r2=176062&view=diff
==============================================================================
--- lldb/trunk/tools/debugserver/source/MacOSX/MachTask.cpp (original)
+++ lldb/trunk/tools/debugserver/source/MacOSX/MachTask.cpp Mon Feb 25 18:04:29 2013
@@ -296,8 +296,11 @@ MachTask::GetProfileData ()
     static int32_t numCPU = -1;
     int32_t mib[] = {CTL_HW, HW_AVAILCPU};
     size_t len = sizeof(numCPU);
-    if (sysctl(mib, sizeof(mib) / sizeof(int32_t), &numCPU, &len, NULL, 0) != 0)
-        return result;
+    if (numCPU == -1)
+    {
+        if (sysctl(mib, sizeof(mib) / sizeof(int32_t), &numCPU, &len, NULL, 0) != 0)
+            return result;
+    }
     
     mach_port_t localHost = mach_host_self();
     struct host_cpu_load_info host_info;