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Viewing changes to kinfocenter/Modules/memory/memory_fbsd.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kinfocenter/Modules/memory/memory_fbsd.cpp
 
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#include <sys/types.h>
 
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#include <sys/sysctl.h>
 
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#include <sys/vmmeter.h>
 
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#include <vm/vm_param.h>
 
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#include <kvm.h>
 
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#include <fcntl.h>
 
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#include <paths.h>
 
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#include <unistd.h>
 
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void KCMMemory::fetchValues()
 
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{
 
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    /* Stuff for sysctl */
 
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    size_t len;
 
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    unsigned long memory;
 
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    len = sizeof(memory);
 
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    sysctlbyname("hw.physmem", &memory, &len, NULL, 0);
 
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    // Numerical values
 
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    // total physical memory (without swap space)
 
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    memoryInfos[TOTAL_MEM] = MEMORY(memory);
 
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    unsigned int cached;
 
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    len = sizeof(cached);
 
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    if (sysctlbyname("vm.stats.vm.v_cache_count", &cached, &len, NULL, 0) == -1 || !len)
 
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        memoryInfos[CACHED_MEM] = NO_MEMORY_INFO;
 
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    else
 
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        memoryInfos[CACHED_MEM] = MEMORY(cached) * PAGE_SIZE;
 
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    unsigned int free;
 
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    len = sizeof(free);
 
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    if (sysctlbyname("vm.stats.vm.v_free_count", &free, &len, NULL, 0) == -1 || !len)
 
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        memoryInfos[FREE_MEM] = NO_MEMORY_INFO;
 
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    else
 
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        memoryInfos[FREE_MEM] = MEMORY(free) * PAGE_SIZE;
 
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    // added by Brad Hughes bhughes@trolltech.com
 
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    struct vmtotal vmem;
 
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    len = sizeof(vmem);
 
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    if (sysctlbyname("vm.vmtotal", &vmem, &len, NULL, 0) == -1 || !len)
 
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        memoryInfos[SHARED_MEM] = NO_MEMORY_INFO;
 
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    else
 
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         memoryInfos[SHARED_MEM] = MEMORY(vmem.t_armshr) * PAGE_SIZE;
 
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    long buffers;
 
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    len = sizeof(buffers);
 
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    if ((sysctlbyname("vfs.bufspace", &buffers, &len, NULL, 0) == -1) || !len)
 
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        memoryInfos[BUFFER_MEM] = NO_MEMORY_INFO;
 
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    else
 
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        memoryInfos[BUFFER_MEM] = MEMORY(buffers);
 
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    struct kvm_swap swap[1];
 
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    kvm_t *kvm_handle;
 
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    kvm_handle = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
 
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    if (kvm_handle != NULL && kvm_getswapinfo(kvm_handle, swap, 1, 0) != -1) {
 
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        memoryInfos[SWAP_MEM]     = MEMORY(swap[0].ksw_total) * PAGE_SIZE;
 
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        memoryInfos[FREESWAP_MEM] = MEMORY(swap[0].ksw_total - swap[0].ksw_used) * PAGE_SIZE;
 
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    }
 
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    if (kvm_handle != NULL)
 
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        kvm_close(kvm_handle);
 
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}