gru: preload tlb for bcopy instructions
Add anticipatory TLB dropins for GRU TLB misses that occur on BCOPY
instructions that copy large amounts of data.
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>
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 0a57ab2..54a5a1c 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -76,6 +76,7 @@
printstat(s, check_context_retarget_intr);
printstat(s, check_context_unload);
printstat(s, tlb_dropin);
+ printstat(s, tlb_preload_page);
printstat(s, tlb_dropin_fail_no_asid);
printstat(s, tlb_dropin_fail_upm);
printstat(s, tlb_dropin_fail_invalid);
@@ -127,7 +128,8 @@
int op;
unsigned long total, count, max;
static char *id[] = {"cch_allocate", "cch_start", "cch_interrupt",
- "cch_interrupt_sync", "cch_deallocate", "tgh_invalidate"};
+ "cch_interrupt_sync", "cch_deallocate", "tfh_write_only",
+ "tfh_write_restart", "tgh_invalidate"};
seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
for (op = 0; op < mcsop_last; op++) {