81 |
|
disk_stat_t *disk_ptr; |
82 |
|
|
83 |
|
#ifdef SOLARIS |
84 |
< |
struct mnttab *mp; |
84 |
> |
struct mnttab mp; |
85 |
|
struct statvfs fs; |
86 |
|
#endif |
87 |
|
#ifdef LINUX |
260 |
|
int major, minor; |
261 |
|
char dev_letter; |
262 |
|
#endif |
263 |
– |
|
263 |
|
num_diskio=0; |
264 |
|
|
265 |
|
#ifdef SOLARIS |
299 |
|
#ifdef LINUX |
300 |
|
f=fopen("/proc/stat", "r"); |
301 |
|
if(f==NULL){ |
302 |
+ |
*entries=0; |
303 |
+ |
fclose(f); |
304 |
|
return NULL; |
305 |
|
} |
306 |
|
if((line_ptr=f_read_line(f, "disk_io:"))==NULL){ |
307 |
+ |
*entries=0; |
308 |
+ |
fclose(f); |
309 |
|
return NULL; |
310 |
|
} |
311 |
|
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
312 |
+ |
line_ptr++; |
313 |
+ |
if(*line_ptr=='\0'){ |
314 |
+ |
break; |
315 |
+ |
} |
316 |
|
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
317 |
|
fclose(f); |
318 |
+ |
*entries=0; |
319 |
|
return NULL; |
320 |
|
} |
321 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
322 |
|
|
323 |
|
|
324 |
< |
sscanf(line_ptr, "(%d,%d):(%*d, %lld, %*d, %lld, %*d)", \ |
324 |
> |
if((sscanf(line_ptr, "(%d,%d):(%*d, %*d, %lld, %*d, %lld)", \ |
325 |
|
&major, \ |
326 |
|
&minor, \ |
327 |
|
&diskio_stats_ptr->read_bytes, \ |
328 |
< |
&diskio_stats_ptr->write_bytes); |
328 |
> |
&diskio_stats_ptr->write_bytes))!=4) { |
329 |
> |
continue; |
330 |
> |
} |
331 |
|
|
332 |
+ |
/* We read the number of blocks. Blocks are stored in 512 bytes */ |
333 |
+ |
diskio_stats_ptr->read_bytes=diskio_stats_ptr->read_bytes*512; |
334 |
+ |
diskio_stats_ptr->write_bytes=diskio_stats_ptr->write_bytes*512; |
335 |
+ |
|
336 |
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
337 |
|
|
338 |
|
switch(major){ |
339 |
+ |
case 2: |
340 |
+ |
if(minor==0){ |
341 |
+ |
diskio_stats_ptr->disk_name=strdup("fd0"); |
342 |
+ |
} |
343 |
+ |
break; |
344 |
+ |
|
345 |
|
case 3: |
346 |
|
if(minor==0){ |
347 |
|
diskio_stats_ptr->disk_name=strdup("hda"); |
356 |
|
}else{ |
357 |
|
diskio_stats_ptr->disk_name=strdup("hdd"); |
358 |
|
} |
359 |
+ |
break; |
360 |
|
case 8: |
361 |
|
dev_letter='a'+(minor/16); |
362 |
|
diskio_stats_ptr->disk_name=malloc(4); |
363 |
|
snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter); |
364 |
+ |
break; |
365 |
|
default: |
366 |
|
/* I have no idea what it is then :) */ |
367 |
|
diskio_stats_ptr->disk_name=malloc(16); |
368 |
|
snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor); |
369 |
+ |
break; |
370 |
|
} |
371 |
|
|
372 |
|
num_diskio++; |