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| author | Dan Williams <dan.j.williams@intel.com> | 2013-11-06 16:30:07 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2013-11-14 11:04:40 -0800 |
| commit | 86727443a04fdb25397041188efd2527f2b7237b (patch) | |
| tree | 0f3f19ad4946cb63607c2576add482133d311e9b /Documentation/dmatest.txt | |
| parent | e3b9c347316fe243bea6abd08681050c43ca22ee (diff) | |
| download | lwn-86727443a04fdb25397041188efd2527f2b7237b.tar.gz lwn-86727443a04fdb25397041188efd2527f2b7237b.zip | |
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')
| -rw-r--r-- | Documentation/dmatest.txt | 4 |
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. +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. |