Lines Matching refs:dmatest

7 This small document introduces how to test DMA drivers using dmatest module.
9 The dmatest module tests DMA memcpy, memset, XOR and RAID6 P+Q operations using
15 The dmatest module can be configured to test a specific channel. It can also
35 In the configuration file the option called CONFIG_DMATEST. The dmatest could
38 Part 2 - When dmatest is built as a module
43     % modprobe dmatest timeout=2000 iterations=1 channel=dma0chan0 run=1
47     % modprobe dmatest
48     % echo 2000 > /sys/module/dmatest/parameters/timeout
49     % echo 1 > /sys/module/dmatest/parameters/iterations
50     % echo dma0chan0 > /sys/module/dmatest/parameters/channel
51     % echo 1 > /sys/module/dmatest/parameters/run
55     dmatest.timeout=2000 dmatest.iterations=1 dmatest.channel=dma0chan0 dmatest.run=1
59     % modprobe dmatest
60     % echo 2000 > /sys/module/dmatest/parameters/timeout
61     % echo 1 > /sys/module/dmatest/parameters/iterations
62     % echo dma0chan0 > /sys/module/dmatest/parameters/channel
63     % echo dma0chan1 > /sys/module/dmatest/parameters/channel
64     % echo dma0chan2 > /sys/module/dmatest/parameters/channel
65     % echo 1 > /sys/module/dmatest/parameters/run
82 Once started a message like " dmatest: Added 1 threads using dma0chan0" is
90     % cat /sys/module/dmatest/parameters/run
95 /sys/module/dmatest/parameters/wait waits for any running test to complete
102     % modprobe dmatest run=1 iterations=42 wait=1
103     % modprobe -r dmatest
107     % modprobe dmatest run=1 iterations=42
108     % cat /sys/module/dmatest/parameters/wait
109     % modprobe -r dmatest
117 section `Part 2 - When dmatest is built as a module`_.
122     % grep -H . /sys/module/dmatest/parameters/*
129 …"dmatest: result <channel>: <test id>: '<error msg>' with src_off=<val> dst_off=<val> len=<val> (<…
134     dmatest: result dma0chan0-copy0: #1: No errors with src_off=0x7bf dst_off=0x8ad len=0x3fea (0)
145     dmatest: dma0chan0-copy0: summary 1 test, 0 failures 1000 iops 100000 KB/s (0)
162     % echo 1 > /sys/module/dmatest/parameters/run
163     dmatest: No channels configured, continue with any
170     % echo dma0chan2 > /sys/module/dmatest/parameters/channel
171     dmatest: Added 1 threads using dma0chan2
178     % echo dma0chan1 > /sys/module/dmatest/parameters/channel
179     dmatest: Added 1 threads using dma0chan1
180     % echo dma0chan2 > /sys/module/dmatest/parameters/channel
181     dmatest: Added 1 threads using dma0chan2
182     % cat /sys/module/dmatest/parameters/channel
190     % echo "" > /sys/module/dmatest/parameters/channel
191     dmatest: Added 1 threads using dma0chan0
192     dmatest: Added 1 threads using dma0chan3
193     dmatest: Added 1 threads using dma0chan4
194     dmatest: Added 1 threads using dma0chan5
195     dmatest: Added 1 threads using dma0chan6
196     dmatest: Added 1 threads using dma0chan7
197     dmatest: Added 1 threads using dma0chan8
204     % cat /sys/module/dmatest/parameters/test_list
205     dmatest: 1 threads using dma0chan0
206     dmatest: 1 threads using dma0chan3
207     dmatest: 1 threads using dma0chan4
208     dmatest: 1 threads using dma0chan5
209     dmatest: 1 threads using dma0chan6
210     dmatest: 1 threads using dma0chan7
211     dmatest: 1 threads using dma0chan8
223     % echo dma0chan1 > /sys/module/dmatest/parameters/channel
224     dmatest: Added 1 threads using dma0chan1
227     % echo 0 > /sys/module/dmatest/parameters/run