diff options
| author | Peter Oberparleiter <oberpar@linux.vnet.ibm.com> | 2015-12-18 12:59:36 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-12-18 14:59:36 +0100 |
| commit | 42248979d5705e056b509cdcfb548e40f708cba8 (patch) | |
| tree | 0046a29f78bdfff21bfa8cbfd5896cf1b5b6f9b0 /drivers/s390/cio/trace.c | |
| parent | 2ab59de7c5ce7c5ed6db07278554901d43fe80a0 (diff) | |
| download | linux-next-42248979d5705e056b509cdcfb548e40f708cba8.tar.gz | |
s390/cio: Introduce common I/O layer tracepoints
Add tracepoints to interrupt handler and core inline assemblies used by
the s390 common I/O layer. These tracepoints can be used to monitor and
validate hardware and hypervisor requests and responses.
Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/trace.c')
| -rw-r--r-- | drivers/s390/cio/trace.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/s390/cio/trace.c b/drivers/s390/cio/trace.c new file mode 100644 index 000000000000..8e706669ac8b --- /dev/null +++ b/drivers/s390/cio/trace.c @@ -0,0 +1,24 @@ +/* + * Tracepoint definitions for s390_cio + * + * Copyright IBM Corp. 2015 + * Author(s): Peter Oberparleiter <oberpar@linux.vnet.ibm.com> + */ + +#include <asm/crw.h> +#include "cio.h" + +#define CREATE_TRACE_POINTS +#include "trace.h" + +EXPORT_TRACEPOINT_SYMBOL(s390_cio_stsch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_msch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_tsch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_tpi); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_ssch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_csch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_hsch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_xsch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_rsch); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_rchp); +EXPORT_TRACEPOINT_SYMBOL(s390_cio_chsc); |