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sgi-gru: add statistics to the GRU context management functions

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Add statistics to the GRU context management functions.

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>
This commit is contained in:
Jack Steiner
2009-04-02 16:59:06 -07:00
committed by Linus Torvalds
parent a24e5e1caf
commit e56484da3a
3 changed files with 59 additions and 0 deletions
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8
drivers/misc/sgi-gru/grutables.h
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@@ -242,6 +242,14 @@ struct gru_stats_s {
enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync,
cchop_deallocate, tghop_invalidate, mcsop_last};
struct mcs_op_statistic {
atomic_long_t count;
atomic_long_t total;
unsigned long max;
};
extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
#define OPT_DPRINT 1
#define OPT_STATS 2
#define GRU_QUICKLOOK 4