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authorPeter Oberparleiter <oberpar@linux.vnet.ibm.com>2015-12-18 12:59:36 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-12-18 14:59:36 +0100
commit42248979d5705e056b509cdcfb548e40f708cba8 (patch)
tree0046a29f78bdfff21bfa8cbfd5896cf1b5b6f9b0 /drivers/s390/cio/trace.c
parents390/cio: Consolidate inline assemblies and related data definitions (diff)
downloadlinux-42248979d5705e056b509cdcfb548e40f708cba8.tar.xz
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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.c24
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);