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| author | Jan Glauber <jang@linux.vnet.ibm.com> | 2011-10-30 14:17:05 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 14:16:45 (GMT) |
| commit | a2b86019826cb97fd964fbaf101410c64cd78681 (patch) | |
| tree | da7659c2d90dcfd83d23ba3f432baa9f84aa80a2 /drivers/s390/cio/qdio_thinint.c | |
| parent | 80376f347d70ce5fcfb98105d83624518e0911d6 (diff) | |
| download | linux-a2b86019826cb97fd964fbaf101410c64cd78681.tar.xz | |
[S390] qdio: add timestamp for last queue scan time
Add a timestamp per queue and update the timestamp when the queue is
scanned. Add the queue timestamps and the timestamp of the last
adapter interrupt to the debugfs output. The timestamps are useful
for debugging stall conditions.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/qdio_thinint.c')
| -rw-r--r-- | drivers/s390/cio/qdio_thinint.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index a3e3949..8c1f412 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -36,7 +36,7 @@ static u8 *tiqdio_alsi; struct indicator_t *q_indicators; -static u64 last_ai_time; +u64 last_ai_time; /* returns addr for the device state change indicator */ static u32 *get_indicator(void) |