Changeset 19004 in vbox for trunk/src/VBox/Main

Timestamp:

Apr 17, 2009 8:06:01 PM (16 years ago)

Author:

vboxsync

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

46102

Message:

Main/Performance: Implement memory statistics for FreeBSD. The Qt frontend relies on it to calculate the maximum allowed RAM for a VM

File:

• trunk/src/VBox/Main/freebsd/PerformanceFreeBSD.cpp (modified) (2 diffs)

trunk/src/VBox/Main/freebsd/PerformanceFreeBSD.cpp

@@ -20 +20 @@
  */
 
+#include <sys/types.h>
+#include <sys/sysctl.h>
 #include "Performance.h"
 
@@ -47 +49 @@
 int CollectorFreeBSD::getHostCpuMHz(ULONG *mhz)
 {
-    return E_NOTIMPL;
+    int CpuMHz = 0;
+    size_t cbParameter = sizeof(int);
+
+    /** @todo: Howto support more than one CPU? */
+    if (sysctlbyname("dev.cpu.0.freq", &CpuMHz, &cbParameter, NULL, 0))
+        return VERR_NOT_SUPPORTED;
+
+    *mhz = CpuMHz;
+
+    return VINF_SUCCESS;
 }
 
 int CollectorFreeBSD::getHostMemoryUsage(ULONG *total, ULONG *used, ULONG *available)
 {
-    return E_NOTIMPL;
+    int rc = VINF_SUCCESS;
+    u_long cbMemPhys;
+    int cPagesMemFree, cPagesMemUsed, cbPage;
+    size_t cbParameter = sizeof(u_long);
+    int cbProcessed = 0;
+
+    if (!sysctlbyname("hw.physmem", &cbMemPhys, &cbParameter, NULL, 0))
+        cbProcessed++;
+
+    cbParameter = sizeof(int);
+    if (!sysctlbyname("vm.stats.vm.v_free_count", &cPagesMemFree, &cbParameter, NULL, 0))
+        cbProcessed++;
+    if (!sysctlbyname("vm.stats.vm.v_active_count", &cPagesMemUsed, &cbParameter, NULL, 0))
+        cbProcessed++;
+    if (!sysctlbyname("hw.pagesize", &cbPage, &cbParameter, NULL, 0))
+        cbProcessed++;
+
+    if (cbProcessed == 4)
+    {
+        *total     = cbMemPhys;
+        *used      = cPagesMemUsed * cbPage;
+        *available = cPagesMemFree * cbPage;
+    }
+    else
+        rc = VERR_NOT_SUPPORTED;
+
+    return rc;
 }