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40 lines
1.3 KiB
40 lines
1.3 KiB
15 years ago
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#include <sys/sysinfo.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <qfile.h>
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void KMemoryWidget::update()
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{
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struct sysinfo info;
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sysinfo(&info); /* Get Information from system... */
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/*
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* The sysinfo.mem_unit member variable is not available in older 2.4 kernels.
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* If you have troubles compiling this code, set mem_unit to "1".
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*/
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const int mem_unit = info.mem_unit;
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Memory_Info[TOTAL_MEM] = MEMORY(info.totalram) * mem_unit; // total physical memory (without swaps)
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Memory_Info[FREE_MEM] = MEMORY(info.freeram) * mem_unit; // total free physical memory (without swaps)
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Memory_Info[SHARED_MEM] = MEMORY(info.sharedram) * mem_unit;
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Memory_Info[BUFFER_MEM] = MEMORY(info.bufferram) * mem_unit;
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Memory_Info[SWAP_MEM] = MEMORY(info.totalswap) * mem_unit; // total size of all swap-partitions
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Memory_Info[FREESWAP_MEM] = MEMORY(info.freeswap) * mem_unit; // free memory in swap-partitions
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QFile file("/proc/meminfo");
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if (file.open(IO_ReadOnly)) {
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char buf[512];
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while (file.readLine(buf, sizeof(buf) - 1) > 0) {
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if (strncmp(buf,"Cached:",7)==0) {
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unsigned long v;
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v = strtoul(&buf[7],NULL,10);
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Memory_Info[CACHED_MEM] = MEMORY(v) * 1024; // Cached memory in RAM
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}
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}
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file.close();
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}
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}
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