dmatest: add basic performance metrics

[deliverable/linux.git] / Documentation / dmatest.txt

diff --git a/Documentation/dmatest.txt b/Documentation/dmatest.txt
index e6e16a7f3706c45717cbaa9ee18c41ed222d4903..0beb4b68d81f9160c1664772c2597e5914c8e5fa 100644 (file)
--- a/Documentation/dmatest.txt
+++ b/Documentation/dmatest.txt
@@ -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.