안녕하세요 /proc/partitions 의 각 변수의 의미가 무엇인지 궁
글쓴이: facered79 / 작성시간: 금, 2005/07/22 - 10:18오전
[south9@master /proc]$ cat partitions
major minor #blocks name rio rmerge rsect ruse wio
wmerge wsect wuse running use aveq
8 0 8886762 sda 14321 112788 425032 48200 2365
388 21120 71960 0 52100 120180
8 1 1052226 sda1 2 0 16 10 0 0 0 0 0 10 10
8 2 4200997 sda2 7567 94902 227918 26280 271 172
2488 19060 0 24030 45340
8 3 3630690 sda3 6752 17886 197098 21930 2094 216
18632 52900 0 32710 74830
이런식으로 나오는데요..
rio rmerge rsect ruse wio wmerge wsect wuse running use aveq
이것들이 무엇을 뜻하는건지 알수 있을까여?
Forums:
소스를 보면..
<drivers/block/genhd.c>
518 static int diskstats_show(struct seq_file *s, void *v) 519 { 520 struct gendisk *gp = v; 521 char buf[BDEVNAME_SIZE]; 522 int n = 0; 523 524 /* 525 if (&sgp->kobj.entry == block_subsys.kset.list.next) 526 seq_puts(s, "major minor name" 527 " rio rmerge rsect ruse wio wmerge " 528 "wsect wuse running use aveq" 529 "\n\n"); 530 */ 531 532 preempt_disable(); 533 disk_round_stats(gp); 534 preempt_enable(); 535 seq_printf(s, "%4d %4d %s %u %u %llu %u %u %u %llu %u %u %u %u\n", 536 gp->major, n + gp->first_minor, disk_name(gp, n, buf), 537 disk_stat_read(gp, reads), disk_stat_read(gp, read_merges), 538 (unsigned long long)disk_stat_read(gp, read_sectors), 539 jiffies_to_msecs(disk_stat_read(gp, read_ticks)), 540 disk_stat_read(gp, writes), disk_stat_read(gp, write_merges), 541 (unsigned long long)disk_stat_read(gp, write_sectors), 542 jiffies_to_msecs(disk_stat_read(gp, write_ticks)), 543 gp->in_flight, 544 jiffies_to_msecs(disk_stat_read(gp, io_ticks)), 545 jiffies_to_msecs(disk_stat_read(gp, time_in_queue))); 546 547 /* now show all non-0 size partitions of it */ 548 for (n = 0; n < gp->minors - 1; n++) { 549 struct hd_struct *hd = gp->part[n]; 550 551 if (hd && hd->nr_sects) 552 seq_printf(s, "%4d %4d %s %u %u %u %u\n", 553 gp->major, n + gp->first_minor + 1, 554 disk_name(gp, n + 1, buf), 555 hd->reads, hd->read_sectors, 556 hd->writes, hd->write_sectors); 557 } 558 559 return 0; 560 }