diff options
| author | Ed Cashin <ecashin@coraid.com> | 2013-09-11 14:25:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:59:25 -0700 |
| commit | 2256c1c51e98d4eb2063a7f84f9ea783fda95f7f (patch) | |
| tree | a48329d95fc14306d59dc1b4e4ae5a7569fa46de /drivers/block | |
| parent | 1cf94797c2bbc514c2bd0892e1774a0a8ca9afdb (diff) | |
| download | lwn-2256c1c51e98d4eb2063a7f84f9ea783fda95f7f.tar.gz lwn-2256c1c51e98d4eb2063a7f84f9ea783fda95f7f.zip | |
aoe: fill in per-AoE-target information for debugfs file
This information is presented in a compact format that has evolved for
easy routine scanning by expert humans, mostly developers and support
technicians helping to troubleshoot or test AoE-based systems.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/aoe/aoeblk.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 0511d38e412d..b58cbeb43e05 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -113,11 +113,42 @@ static ssize_t aoedisk_show_payload(struct device *dev, static int aoedisk_debugfs_show(struct seq_file *s, void *ignored) { struct aoedev *d; + struct aoetgt **t, **te; + struct aoeif *ifp, *ife; unsigned long flags; + char c; d = s->private; + seq_printf(s, "rttavg: %d rttdev: %d\n", + d->rttavg >> RTTSCALE, + d->rttdev >> RTTDSCALE); + seq_printf(s, "nskbpool: %d\n", skb_queue_len(&d->skbpool)); + seq_printf(s, "kicked: %ld\n", d->kicked); + seq_printf(s, "maxbcnt: %ld\n", d->maxbcnt); + seq_printf(s, "ref: %ld\n", d->ref); + spin_lock_irqsave(&d->lock, flags); - seq_printf(s, "%s\n", d->gd->disk_name); /* place holder */ + t = d->targets; + te = t + d->ntargets; + for (; t < te && *t; t++) { + c = '\t'; + seq_printf(s, "falloc: %ld\n", (*t)->falloc); + seq_printf(s, "ffree: %p\n", + list_empty(&(*t)->ffree) ? NULL : (*t)->ffree.next); + seq_printf(s, "%pm:%d:%d:%d\n", (*t)->addr, (*t)->nout, + (*t)->maxout, (*t)->nframes); + seq_printf(s, "\tssthresh:%d\n", (*t)->ssthresh); + seq_printf(s, "\ttaint:%d\n", (*t)->taint); + seq_printf(s, "\tr:%d\n", (*t)->rpkts); + seq_printf(s, "\tw:%d\n", (*t)->wpkts); + ifp = (*t)->ifs; + ife = ifp + ARRAY_SIZE((*t)->ifs); + for (; ifp->nd && ifp < ife; ifp++) { + seq_printf(s, "%c%s", c, ifp->nd->name); + c = ','; + } + seq_puts(s, "\n"); + } spin_unlock_irqrestore(&d->lock, flags); return 0; |