path: root/Documentation/dmatest.txt
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authorDan Williams <dan.j.williams@intel.com>2013-11-06 16:30:07 -0800
committerDan Williams <dan.j.williams@intel.com>2013-11-14 11:04:40 -0800
commit86727443a04fdb25397041188efd2527f2b7237b (patch)
tree0f3f19ad4946cb63607c2576add482133d311e9b /Documentation/dmatest.txt
parente3b9c347316fe243bea6abd08681050c43ca22ee (diff)
dmatest: add basic performance metrics
Add iops and throughput to the summary output. Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'Documentation/dmatest.txt')
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dmatest.txt b/Documentation/dmatest.txt
index e6e16a7f3706..0beb4b68d81f 100644
--- 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.
+ % 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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