#include <sys/sysinfo.h> #include <unistd.h> #include <stdlib.h> #include <tqfile.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 TQFile 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(); } }