diff options
Diffstat (limited to 'kcontrol/info/memory_linux.cpp')
-rw-r--r-- | kcontrol/info/memory_linux.cpp | 39 |
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(); + } +} + |