s390/cio: Introduce common I/O layer tracepoints
authorPeter Oberparleiter <oberpar@linux.vnet.ibm.com>
Fri, 18 Dec 2015 11:59:36 +0000 (12:59 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 18 Dec 2015 13:59:36 +0000 (14:59 +0100)
commit42248979d5705e056b509cdcfb548e40f708cba8
tree0046a29f78bdfff21bfa8cbfd5896cf1b5b6f9b0
parent2ab59de7c5ce7c5ed6db07278554901d43fe80a0
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>
drivers/s390/cio/Makefile
drivers/s390/cio/airq.c
drivers/s390/cio/cio.c
drivers/s390/cio/ioasm.h
drivers/s390/cio/trace.c [new file with mode: 0644]
drivers/s390/cio/trace.h [new file with mode: 0644]