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authorJack Steiner <steiner@sgi.com>2009-06-17 16:28:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:04:03 -0700
commit7e796a72a2691d7094fd62da61097294d0d59ce4 (patch)
tree9e8d4e1eae9a2d23f604f0af5d101979dc7afec7 /drivers/misc/sgi-gru/grumain.c
parentd6e2fbce0d70c2072a1c478dbd37b34d27129d74 (diff)
downloadblackbird-op-linux-7e796a72a2691d7094fd62da61097294d0d59ce4.tar.gz
blackbird-op-linux-7e796a72a2691d7094fd62da61097294d0d59ce4.zip
gru: collect per-context user statistics
Collect GRU statistics for each user GRU context. Statistics are kept for TLB misses & content resource contention. Add user request for retrieving the 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/grumain.c')
-rw-r--r--drivers/misc/sgi-gru/grumain.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c
index e38a0f1775ff..347004e4f591 100644
--- a/drivers/misc/sgi-gru/grumain.c
+++ b/drivers/misc/sgi-gru/grumain.c
@@ -744,6 +744,7 @@ void gru_steal_context(struct gru_thread_state *gts, int blade_id)
spin_unlock(&blade->bs_lock);
if (ngts) {
+ gts->ustats.context_stolen++;
ngts->ts_steal_jiffies = jiffies;
gru_unload_context(ngts, is_kernel_context(ngts) ? 0 : 1);
gts_stolen(ngts, blade);
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