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#include <stdio.h> |
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#include <sys/vfs.h> |
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#include <mntent.h> |
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#include "tools.h" |
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#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"} |
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#endif |
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disk_stat_t *disk_ptr; |
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|
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#ifdef SOLARIS |
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struct mnttab *mp; |
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struct mnttab mp; |
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struct statvfs fs; |
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#endif |
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#ifdef LINUX |
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return disk_stats; |
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|
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} |
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#ifdef SOLARIS |
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void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
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|
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for(diskio_stats+=start; start<end; start++){ |
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static int sizeof_diskio_stats=0; |
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diskio_stat_t *diskio_stats_ptr; |
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|
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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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kstat_io_t kios; |
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#endif |
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#ifdef LINUX |
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FILE *f; |
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char *line_ptr; |
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int major, minor; |
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char dev_letter; |
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#endif |
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num_diskio=0; |
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|
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#ifdef SOLARIS |
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if ((kc = kstat_open()) == NULL) { |
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return NULL; |
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} |
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|
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num_diskio=0; |
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|
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for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
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if (!strcmp(ksp->ks_class, "disk")) { |
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|
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if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
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diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
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diskio_stats_ptr->systime=time(NULL); |
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num_diskio++; |
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} |
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} |
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|
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kstat_close(kc); |
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#endif |
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|
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#ifdef LINUX |
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f=fopen("/proc/stat", "r"); |
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if(f==NULL){ |
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*entries=0; |
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fclose(f); |
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return NULL; |
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} |
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if((line_ptr=f_read_line(f, "disk_io:"))==NULL){ |
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*entries=0; |
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fclose(f); |
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return NULL; |
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} |
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while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
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line_ptr++; |
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if(*line_ptr=='\0'){ |
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break; |
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} |
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if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
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fclose(f); |
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*entries=0; |
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return NULL; |
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} |
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diskio_stats_ptr=diskio_stats+num_diskio; |
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|
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|
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if((sscanf(line_ptr, "(%d,%d):(%*d, %*d, %lld, %*d, %lld)", \ |
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&major, \ |
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&minor, \ |
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&diskio_stats_ptr->read_bytes, \ |
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&diskio_stats_ptr->write_bytes))!=4) { |
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continue; |
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} |
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|
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/* We read the number of blocks. Blocks are stored in 512 bytes */ |
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diskio_stats_ptr->read_bytes=diskio_stats_ptr->read_bytes*512; |
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diskio_stats_ptr->write_bytes=diskio_stats_ptr->write_bytes*512; |
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|
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if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
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|
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switch(major){ |
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case 2: |
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if(minor==0){ |
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diskio_stats_ptr->disk_name=strdup("fd0"); |
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} |
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break; |
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|
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case 3: |
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if(minor==0){ |
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diskio_stats_ptr->disk_name=strdup("hda"); |
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}else{ |
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diskio_stats_ptr->disk_name=strdup("hdb"); |
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} |
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break; |
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|
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case 22: |
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if(minor==0){ |
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diskio_stats_ptr->disk_name=strdup("hdc"); |
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}else{ |
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diskio_stats_ptr->disk_name=strdup("hdd"); |
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} |
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break; |
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case 8: |
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dev_letter='a'+(minor/16); |
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diskio_stats_ptr->disk_name=malloc(4); |
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snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter); |
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break; |
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default: |
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/* I have no idea what it is then :) */ |
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diskio_stats_ptr->disk_name=malloc(16); |
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snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor); |
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break; |
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} |
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|
373 |
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diskio_stats_ptr->systime=time(NULL); |
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num_diskio++; |
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} |
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|
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#endif |
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*entries=num_diskio; |
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|
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return diskio_stats; |
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*entries=sizeof_diskio_stats_diff; |
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return diskio_stats_diff; |
447 |
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} |
360 |
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#endif |