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diff --git a/Documentation/dmatest.txt b/Documentation/dmatest.txt
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@@ -77,5 +77,9 @@ the parens represents additional information, e.g. error code, error counter,
or status. A test thread also emits a summary line at completion listing the
number of tests executed, number that failed, and a result code.
+Example:
+ % dmesg | tail -n 1
+ dmatest: dma3chan0-copy0: summary 400000 tests, 0 failures iops: 61524 KB/s 246098 (0)
+
The details of a data miscompare error are also emitted, but do not follow the
above format.
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