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authorChristoph Hellwig <hch@lst.de>2007-06-29 10:58:07 +1000
committerPaul Mackerras <paulus@samba.org>2007-07-03 15:24:46 +1000
commitfe2f896d67b89a409c366c9a69e30291ab124467 (patch)
treedf0cc1fa1923f03b90920dd399640e7b462a8171 /arch/powerpc/platforms/cell/spufs/spufs.h
parent27449971e6907ff38bde7bbc4647e55bd7309fc3 (diff)
[POWERPC] spufs: Add spu stats in sysfs
Export spu statistics in sysfs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/spufs.h')
-rw-r--r--arch/powerpc/platforms/cell/spufs/spufs.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index cd2b54f6e37..08b3530288a 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -307,4 +307,17 @@ static inline void spuctx_switch_state(struct spu_context *ctx,
}
}
+static inline void spu_switch_state(struct spu *spu,
+ enum spuctx_execution_state new_state)
+{
+ if (spu->stats.utilization_state != new_state) {
+ unsigned long curtime = jiffies;
+
+ spu->stats.times[spu->stats.utilization_state] +=
+ curtime - spu->stats.tstamp;
+ spu->stats.tstamp = curtime;
+ spu->stats.utilization_state = new_state;
+ }
+}
+
#endif