On 3/27/24 9:37 PM, alison.schofi...@intel.com wrote:
> From: Alison Schofield <alison.schofi...@intel.com>
>
> Events cxl_general_media and cxl_dram both report DPAs that may
> be mapped in a region. If the DPA is mapped, the trace event will
> include the HPA translation, region name and region uuid in the
> trace event.
>
> Add a test case that triggers these events with DPAs that map
> into a region. Verify the region is included in the trace event.
>
> Signed-off-by: Alison Schofield <alison.schofi...@intel.com>
Reviewed-by: Dave Jiang <dave.ji...@intel.com>
> ---
> test/cxl-events.sh | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/test/cxl-events.sh b/test/cxl-events.sh
> index fe702bf98ad4..ff4f3fdff1d8 100644
> --- a/test/cxl-events.sh
> +++ b/test/cxl-events.sh
> @@ -23,6 +23,26 @@ modprobe cxl_test
> rc=1
>
> dev_path="/sys/bus/platform/devices"
> +trace_path="/sys/kernel/tracing"
> +
> +test_region_info()
> +{
> + # Trigger a memdev in the cxl_test autodiscovered region
> + region=$($CXL list -R | jq -r ".[] | .region")
> + memdev=$($CXL list -r "$region" --targets |
> + jq -r '.[].mappings' |
> + jq -r '.[0].memdev')
> + host=$($CXL list -m "$memdev" | jq -r '.[].host')
> +
> + echo 1 > "$dev_path"/"$host"/event_trigger
> +
> + if ! grep "cxl_general_media.*$region" "$trace_path"/trace; then
> + err "$LINENO"
> + fi
> + if ! grep "cxl_dram.*$region" "$trace_path"/trace; then
> + err "$LINENO"
> + fi
> +}
>
> test_cxl_events()
> {
> @@ -74,6 +94,10 @@ if [ "$num_info" -ne $num_info_expected ]; then
> err "$LINENO"
> fi
>
> +echo 1 > /sys/kernel/tracing/tracing_on
> +test_region_info
> +echo 0 > /sys/kernel/tracing/tracing_on
> +
> check_dmesg "$LINENO"
>
> modprobe -r cxl_test
