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5925e81927
Tools like 'perf stat' parse the trace point format files defined in /sys/kernel/debug/tracing/events/s390/.../format to handle the print fmt: statement. The kernel provides a library in directory linux/tools/lib/traceevent/* for this reason. This library can not handle structures or unions defined in the TRACE_EVENT/TP_STRUCT__entry macros with __field_struct macro. There is no possibility to extract a structure member (which might be a bit field) since there is no packing information nor bit field offset by parsing the printf fmt line. Therefore rewrite the TRACE_EVENT macro and add the __field macro for the members adapter_IO, isc and type of struct tpi_info. Note that the same information is displayed, this is no interface change. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Acked-by: Sebastian Ott <sebott@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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