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115 lines
2.9 KiB
115 lines
2.9 KiB
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#include <sys/param.h>
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#if __NetBSD_Version__ > 103080000
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#define UVM
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#endif
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#if defined(__OpenBSD__)
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#define UVM
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#ifdef UVM
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#include <uvm/uvm_extern.h>
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#else
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#include <vm/vm_swap.h>
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#endif
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void KMemoryWidget::update()
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{
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int mib[2];
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size_t len;
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#ifdef UVM
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#if __NetBSD_Version__ > 499000100 /* 4.99.2+ */
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struct uvmexp_sysctl uvmexp;
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#else
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struct uvmexp uvmexp;
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#endif
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#else /* !UVM */
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struct swapent *swaplist;
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int64_t nswap, rnswap, totalswap, freeswap, usedswap;
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#endif
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#if __NetBSD_Version__ > 106170000 /* 1.6Q+ */
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quad_t memory;
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#else
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int memory;
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#endif
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/* memory */
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#if __NetBSD_Version__ > 106170000 /* 1.6Q+ */
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mib[0] = CTL_HW;
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mib[1] = HW_PHYSMEM64;
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#else
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mib[0] = CTL_HW;
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mib[1] = HW_PHYSMEM;
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#endif
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len = sizeof(memory);
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if( sysctl(mib,2,&memory,&len,NULL,0)< 0 )
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Memory_Info[TOTAL_MEM] = NO_MEMORY_INFO;
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else
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Memory_Info[TOTAL_MEM] = memory;
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#ifdef UVM
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mib[0] = CTL_VM;
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#if __NetBSD_Version__ > 499000100 /* 4.99.2+ */
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mib[1] = VM_UVMEXP2;
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#else
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mib[1] = VM_UVMEXP;
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#endif
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len = sizeof(uvmexp);
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if ( sysctl(mib, 2, &uvmexp, &len, NULL, 0) < 0 ) {
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Memory_Info[FREE_MEM] = NO_MEMORY_INFO;
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Memory_Info[ACTIVE_MEM] = NO_MEMORY_INFO;
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Memory_Info[INACTIVE_MEM] = NO_MEMORY_INFO;
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Memory_Info[SWAP_MEM] = NO_MEMORY_INFO;
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Memory_Info[FREESWAP_MEM] = NO_MEMORY_INFO;
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Memory_Info[CACHED_MEM] = NO_MEMORY_INFO;
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} else {
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t_memsize pgsz = MEMORY(uvmexp.pagesize);
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Memory_Info[FREE_MEM] = pgsz * uvmexp.free;
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Memory_Info[ACTIVE_MEM] = pgsz * uvmexp.active;
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Memory_Info[INACTIVE_MEM] = pgsz * uvmexp.inactive;
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Memory_Info[SWAP_MEM] = pgsz * uvmexp.swpages;
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Memory_Info[FREESWAP_MEM] = pgsz * (uvmexp.swpages - uvmexp.swpginuse);
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#if __NetBSD_Version__ > 106000000
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Memory_Info[CACHED_MEM] = pgsz * (uvmexp.filepages + uvmexp.execpages);
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#else
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Memory_Info[CACHED_MEM] = NO_MEMORY_INFO;
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#endif
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}
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#else
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Memory_Info[FREE_MEM] = NO_MEMORY_INFO;
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Memory_Info[ACTIVE_MEM] = NO_MEMORY_INFO;
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Memory_Info[INACTIVE_MEM] = NO_MEMORY_INFO;
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/* swap */
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totalswap = freeswap = usedswap = 0;
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nswap = swapctl(SWAP_NSWAP,0,0);
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if ( nswap > 0 ) {
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if ( (swaplist = (struct swapent *)malloc(nswap * sizeof(*swaplist))) ) {
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rnswap = swapctl(SWAP_STATS,swaplist,nswap);
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if ( rnswap < 0 || rnswap > nswap )
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totalswap = freeswap = -1; /* Error */
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else {
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while ( rnswap-- > 0 ) {
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totalswap += swaplist[rnswap].se_nblks;
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usedswap += swaplist[rnswap].se_inuse;
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}
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freeswap = totalswap - usedswap;
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}
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} else
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totalswap = freeswap = -1; /* Error */
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if ( totalswap == -1 ) {
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Memory_Info[SWAP_MEM] = NO_MEMORY_INFO;
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Memory_Info[FREESWAP_MEM] = NO_MEMORY_INFO;
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} else {
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Memory_Info[SWAP_MEM] = MEMORY(totalswap);
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Memory_Info[FREESWAP_MEM] = MEMORY(freeswap);
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}
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}
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#endif
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}
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