Created
August 13, 2014 08:05
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sample code for pstat_getvminfo()
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/* test_pstat_getvminfo.c */ | |
#include <stdio.h> | |
#include <sys/pstat.h> | |
int main() { | |
struct pst_vminfo buf; | |
if(pstat_getvminfo(&buf, sizeof(buf), 1, 0) != 1) { | |
perror("pstat_getvminfo()"); | |
return -1; | |
} | |
printf("++++++++++----------++++++++++----------++++++++++----------\n"); | |
printf("rate: cpages freed by daemon = %d\n", buf.psv_rdfree); | |
printf("device interrupts = %d\n", buf.psv_rintr); | |
printf("pages paged in = %d\n", buf.psv_rpgpgin); | |
printf("pages paged out = %d\n", buf.psv_rpgpgout); | |
printf("total page reclaims = %d\n", buf.psv_rpgrec); | |
printf("tlb flushes - 800 only = %d\n", buf.psv_rpgtlb); | |
printf("scans in pageout daemon = %d\n", buf.psv_rscan); | |
printf("context switches = %d\n", buf.psv_rswtch); | |
printf("calls to syscall() = %d\n", buf.psv_rsyscall); | |
printf("found in freelist rather than in filesys = %d\n", buf.psv_rxifrec); | |
printf("found in freelist rather than on swapdev = %d\n", buf.psv_rxsfrec); | |
printf("number of characters read from ttys = %d\n", buf.psv_tknin); | |
printf("number of characters written to ttys = %d\n", buf.psv_tknout); | |
printf("Rate pages swapped in = %d\n", buf.psv_rpswpin); | |
printf("Rate pages swapped out = %d\n", buf.psv_rpswpout); | |
printf("Rate pageins = %d\n", buf.psv_rpgin); | |
printf("Rate pageouts = %d\n", buf.psv_rpgout); | |
printf("Rate faults taken = %d\n", buf.psv_rfaults); | |
return 0; | |
} |
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