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-rw-r--r--kcontrol/info/memory_linux.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/kcontrol/info/memory_linux.cpp b/kcontrol/info/memory_linux.cpp
new file mode 100644
index 000000000..c393c01e7
--- /dev/null
+++ b/kcontrol/info/memory_linux.cpp
@@ -0,0 +1,39 @@
+#include <sys/sysinfo.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <qfile.h>
+
+void KMemoryWidget::update()
+{
+ struct sysinfo info;
+
+ sysinfo(&info); /* Get Information from system... */
+
+ /*
+ * The sysinfo.mem_unit member variable is not available in older 2.4 kernels.
+ * If you have troubles compiling this code, set mem_unit to "1".
+ */
+
+ const int mem_unit = info.mem_unit;
+
+ Memory_Info[TOTAL_MEM] = MEMORY(info.totalram) * mem_unit; // total physical memory (without swaps)
+ Memory_Info[FREE_MEM] = MEMORY(info.freeram) * mem_unit; // total free physical memory (without swaps)
+ Memory_Info[SHARED_MEM] = MEMORY(info.sharedram) * mem_unit;
+ Memory_Info[BUFFER_MEM] = MEMORY(info.bufferram) * mem_unit;
+ Memory_Info[SWAP_MEM] = MEMORY(info.totalswap) * mem_unit; // total size of all swap-partitions
+ Memory_Info[FREESWAP_MEM] = MEMORY(info.freeswap) * mem_unit; // free memory in swap-partitions
+
+ QFile file("/proc/meminfo");
+ if (file.open(IO_ReadOnly)) {
+ char buf[512];
+ while (file.readLine(buf, sizeof(buf) - 1) > 0) {
+ if (strncmp(buf,"Cached:",7)==0) {
+ unsigned long v;
+ v = strtoul(&buf[7],NULL,10);
+ Memory_Info[CACHED_MEM] = MEMORY(v) * 1024; // Cached memory in RAM
+ }
+ }
+ file.close();
+ }
+}
+