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95 lines
2.0 KiB
95 lines
2.0 KiB
/*
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* memory_solaris.cpp
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*
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* Torsten Kasch <tk@Genetik.Uni-Bielefeld.DE>
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <kstat.h>
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/* Stop <sys/swap.h> from crapping out on 32-bit architectures. */
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#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
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# undef _FILE_OFFSET_BITS
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# define _FILE_OFFSET_BITS 32
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#endif
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#include <sys/stat.h>
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#include <sys/swap.h>
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#include <vm/anon.h>
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#define PAGETOK(a) (( (t_memsize) sysconf( _SC_PAGESIZE )) * (t_memsize) a)
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void KMemoryWidget::update() {
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kstat_ctl_t *kctl;
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kstat_t *ksp;
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kstat_named_t *kdata;
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/*
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* get a kstat handle first and update the user's kstat chain
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*/
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if( (kctl = kstat_open()) == NULL )
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return;
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while( kstat_chain_update( kctl ) != 0 )
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;
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/*
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* traverse the kstat chain to find the appropriate kstat
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*/
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if( (ksp = kstat_lookup( kctl, "unix", 0, "system_pages" )) == NULL )
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return;
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if( kstat_read( kctl, ksp, NULL ) == -1 )
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return;
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/*
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* lookup the data
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*/
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#if 0
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kdata = (kstat_named_t *) kstat_data_lookup( ksp, "physmem" );
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if( kdata != NULL ) {
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Memory_Info[TOTAL_MEM] = PAGETOK(kdata->value.ui32);
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}
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#endif
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Memory_Info[TOTAL_MEM] = PAGETOK(sysconf(_SC_PHYS_PAGES));
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kdata = (kstat_named_t *) kstat_data_lookup( ksp, "freemem" );
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if( kdata != NULL )
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Memory_Info[FREE_MEM] = PAGETOK(kdata->value.ui32);
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#warning "FIXME: Memory_Info[CACHED_MEM]"
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Memory_Info[CACHED_MEM] = NO_MEMORY_INFO; // cached memory in ram
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kstat_close( kctl );
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/*
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* Swap Info
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*/
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struct anoninfo am_swap;
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long swaptotal;
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long swapfree;
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long swapused;
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swaptotal = swapused = swapfree = 0L;
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/*
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* Retrieve overall swap information from anonymous memory structure -
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* which is the same way "swap -s" retrieves it's statistics.
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*
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* swapctl(SC_LIST, void *arg) does not return what we are looking for.
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*/
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if (swapctl(SC_AINFO, &am_swap) == -1)
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return;
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swaptotal = am_swap.ani_max;
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swapused = am_swap.ani_resv;
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swapfree = swaptotal - swapused;
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Memory_Info[SWAP_MEM] = PAGETOK(swaptotal);
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Memory_Info[FREESWAP_MEM] = PAGETOK(swapfree);
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}
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