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authorJack Steiner2009-04-03 01:59:05 +0200
committerLinus Torvalds2009-04-03 04:05:05 +0200
commit438846043af39fef286f68b197d42bd75f49898e (patch)
treee73bd2e6cdbc2e2ca8a1daac2651f6efb5fc84fd /drivers/misc/sgi-gru/grufault.c
parentsgi-gru: misc GRU cleanup (diff)
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sgi-gru: improvements to GRU debug messages & statistics
Improvements to GRU debug messages & statistics. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru/grufault.c')
-rw-r--r--drivers/misc/sgi-gru/grufault.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index f85d27306789..61aa80a8411b 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -449,6 +449,7 @@ irqreturn_t gru_intr(int irq, void *dev_id)
up_read(&gts->ts_mm->mmap_sem);
} else {
tfh_user_polling_mode(tfh);
+ STAT(intr_mm_lock_failed);
}
}
return IRQ_HANDLED;
@@ -508,8 +509,10 @@ int gru_handle_user_call_os(unsigned long cb)
* context.
*/
if (gts->ts_tgid_owner == current->tgid && gts->ts_blade >= 0 &&
- gts->ts_blade != uv_numa_blade_id())
+ gts->ts_blade != uv_numa_blade_id()) {
+ STAT(call_os_offnode_reference);
gts->ts_force_unload = 1;
+ }
ret = -EAGAIN;
cbrnum = thread_cbr_number(gts, ucbnum);