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#include <stdio.h> |
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#include "ukcprog.h" |
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#include <unistd.h> |
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#ifdef SOLARIS |
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#include <kstat.h> |
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#include <sys/sysinfo.h> |
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#endif |
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#ifdef LINUX |
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#include <string.h> |
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#endif |
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#ifdef FREEBSD |
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#include <sys/types.h> |
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#include <sys/sysctl.h> |
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#endif |
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|
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#define WAIT_TIME_IN_SECS 1 |
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|
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char *get_page_stats(){ |
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char *xml_page_stats; |
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int swap_pageins; |
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int swap_pageouts; |
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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cpu_stat_t cs; |
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uint_t swapin, swapout; |
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#endif |
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#ifdef LINUX |
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FILE *f; |
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char *line; |
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long swapin[2], swapout[2]; |
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#endif |
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#ifdef FREEBSD |
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size_t size; |
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long swapin[2], swapout[2]; |
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#endif |
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|
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|
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#ifdef SOLARIS |
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if ((kc = kstat_open()) == NULL) { |
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errf("kstat_open failure (%m)"); |
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return NULL; |
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} |
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for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) { |
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if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue; |
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if (kstat_read(kc, ksp, &cs) == -1) { |
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errf("kstat read failure"); |
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continue; |
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} |
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} |
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|
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swapin=cs.cpu_vminfo.pgswapin; |
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swapout=cs.cpu_vminfo.pgswapout; |
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|
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sleep(WAIT_TIME_IN_SECS); |
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|
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if (kstat_chain_update(kc) == -1) { |
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errf("Kstat update failure (%m)"); |
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return NULL; |
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} |
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for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) { |
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if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue; |
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if (kstat_read(kc, ksp, &cs) == -1) { |
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errf("kstat read failure"); |
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continue; |
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} |
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} |
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if((kstat_close(kc)) != 0){ |
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errf("Failed to close kstat control structure (%m)"); |
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return NULL; |
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} |
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swap_pageins=(cs.cpu_vminfo.pgswapin-swapin)/WAIT_TIME_IN_SECS; |
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swap_pageouts=(cs.cpu_vminfo.pgswapout-swapout)/WAIT_TIME_IN_SECS; |
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#endif |
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#ifdef LINUX |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
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errf("Failed to open /proc/stat (%m)"); |
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return NULL; |
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} |
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while((line=fpgetline(f)) != NULL){ |
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if (((strncmp(line,"swap",4)) == 0)) { |
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if((sscanf(line, "%*s %ld %ld", &swapin[0], &swapout[0])) != 2){ |
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errf("Failed to read swap paging details (%m)"); |
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return NULL; |
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} |
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break; |
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} |
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} |
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if ((fclose(f)) != 0) { |
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errf("Failed to close file (%m)"); |
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return NULL; |
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} |
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sleep(WAIT_TIME_IN_SECS); |
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|
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
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errf("Failed to open /proc/stat (%m)"); |
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return NULL; |
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} |
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while((line=fpgetline(f)) != NULL){ |
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if (((strncmp(line,"swap",4)) == 0)) { |
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if((sscanf(line, "%*s %ld %ld", &swapin[1], &swapout[1])) != 2){ |
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errf("Failed to read swap paging details (%m)"); |
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return NULL; |
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} |
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break; |
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} |
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} |
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if ((fclose(f)) != 0) { |
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errf("Failed to close file (%m)"); |
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return NULL; |
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} |
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|
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swap_pageins=(swapin[1]-swapin[0])/WAIT_TIME_IN_SECS; |
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swap_pageouts=(swapout[1]-swapout[0])/WAIT_TIME_IN_SECS; |
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#endif |
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#ifdef FREEBSD |
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#define SWAP_IN_NAME "vm.stats.vm.v_swappgsin" |
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#define SWAP_OUT_NAME "vm.stats.vm.v_swappgsout" |
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if (sysctlbyname(SWAP_IN_NAME, NULL, &size, NULL, NULL) < 0){ |
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errf("sysctlbyname failed to get total memory (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_IN_NAME, &swapin[0], &size, NULL, NULL) < 0){ |
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errf("Failed to get total memory stats (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_OUT_NAME, NULL, &size, NULL, NULL) < 0){ |
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errf("sysctlbyname failed to get total memory (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_OUT_NAME, &swapout[0], &size, NULL, NULL) < 0){ |
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errf("Failed to get total memory stats (%m)"); |
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return NULL; |
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} |
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|
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sleep(WAIT_TIME_IN_SECS); |
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|
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if (sysctlbyname(SWAP_IN_NAME, NULL, &size, NULL, NULL) < 0){ |
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errf("sysctlbyname failed to get total memory (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_IN_NAME, &swapin[1], &size, NULL, NULL) < 0){ |
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errf("Failed to get total memory stats (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_OUT_NAME, NULL, &size, NULL, NULL) < 0){ |
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errf("sysctlbyname failed to get total memory (%m)"); |
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return NULL; |
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} |
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if (sysctlbyname(SWAP_OUT_NAME, &swapout[1], &size, NULL, NULL) < 0){ |
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errf("Failed to get total memory stats (%m)"); |
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return NULL; |
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} |
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|
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swap_pageins=(swapin[1]-swapin[0])/WAIT_TIME_IN_SECS; |
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swap_pageouts=(swapout[1]-swapout[0])/WAIT_TIME_IN_SECS; |
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|
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#endif |
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|
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|
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if((xml_page_stats=strf("<pages><swapins>%d</swapins><swapouts>%d</swapouts></pages>", swap_pageins, swap_pageouts)) == NULL){ |
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errf("strf failed (%m)"); |
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return NULL; |
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} |
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return xml_page_stats; |
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} |
