Re: [PATCH 05/11] cxl/mem: Trace General Media Event Record

From: Jonathan Cameron
Date: Wed Nov 16 2022 - 10:31:16 EST


On Thu, 10 Nov 2022 10:57:52 -0800
ira.weiny@xxxxxxxxx wrote:

> From: Ira Weiny <ira.weiny@xxxxxxxxx>
>
> CXL rev 3.0 section 8.2.9.2.1.1 defines the General Media Event Record.
>
> Determine if the event read is a general media record and if so trace
> the record as a General Media Event Record.
>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
>
A few v2.0 references left in here that should be updated given it's new code.

With those tidied up
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>


> diff --git a/include/trace/events/cxl.h b/include/trace/events/cxl.h
> index 60dec9a84918..a0c20e110708 100644
> --- a/include/trace/events/cxl.h
> +++ b/include/trace/events/cxl.h
> @@ -119,6 +119,130 @@ TRACE_EVENT(cxl_generic_event,
> __print_hex(__entry->data, CXL_EVENT_RECORD_DATA_LENGTH))
> );
>
> +/*
> + * Physical Address field masks
> + *
> + * General Media Event Record
> + * CXL v2.0 Section 8.2.9.1.1.1; Table 154

Update to CXL rev 3.0 as I think we are preferring latest
spec references on any new code.

> + *
> + * DRAM Event Record
> + * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
> + */

> +
> +/*
> + * General Media Event Record - GMER
> + * CXL v2.0 Section 8.2.9.1.1.1; Table 154
Update ref to r3.0
Never v or the spec folk will get irritable :)

> + */