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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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#ifdef FREEBSD |
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#include <sys/param.h> |
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#include <sys/ucred.h> |
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#include <sys/mount.h> |
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#define VALID_FS_TYPES {"ufs", "mfs"} |
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#endif |
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#define START_VAL 1 |
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|
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char *copy_string(char *orig_ptr, const char *newtext){ |
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char *fs_types[] = VALID_FS_TYPES; |
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int x, valid_type; |
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int num_disks=0; |
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#if defined(LINUX) || defined (SOLARIS) |
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FILE *f; |
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#endif |
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|
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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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struct mntent *mp; |
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struct statfs fs; |
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#endif |
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#ifdef FREEBSD |
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int nummnt; |
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struct statfs *mp; |
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#endif |
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|
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if(watermark==-1){ |
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disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
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watermark=START_VAL; |
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init_disk_stat(0, watermark-1, disk_stats); |
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} |
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#ifdef FREEBSD |
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nummnt=getmntinfo(&mp , MNT_LOCAL); |
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if (nummnt<=0){ |
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return NULL; |
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} |
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for(;nummnt--; mp++){ |
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valid_type=0; |
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for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
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if(strcmp(mp->f_fstypename, fs_types[x]) ==0){ |
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valid_type=1; |
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break; |
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} |
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} |
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#endif |
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|
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#ifdef LINUX |
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if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
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return NULL; |
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} |
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|
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disk_ptr=disk_stats+num_disks; |
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#ifdef FREEBSD |
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if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
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return NULL; |
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} |
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|
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if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->f_fstypename))==NULL){ |
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return NULL; |
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} |
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|
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if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->f_mntonname))==NULL){ |
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return NULL; |
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} |
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|
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disk_ptr->size = (long long)mp->f_bsize * (long long) mp->f_blocks; |
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disk_ptr->avail = (long long)mp->f_bsize * (long long) mp->f_bavail; |
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disk_ptr->used = (disk_ptr->size) - ((long long)mp->f_bsize * (long long)mp->f_bfree); |
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|
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disk_ptr->total_inodes=(long long)mp->f_files; |
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disk_ptr->free_inodes=(long long)mp->f_ffree; |
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/* Freebsd doesn't have a "available" inodes */ |
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disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
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#endif |
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#ifdef LINUX |
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if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
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return NULL; |
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*entries=num_disks; |
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|
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/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
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#if defined(LINUX) || defined(SOLARIS) |
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fclose(f); |
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#endif |
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|
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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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|
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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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|
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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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fclose(f); |
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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; |
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} |
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– |
#endif |