aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/dmatest.txt
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-03-04 11:09:31 +0200
committerVinod Koul <vinod.koul@intel.com>2013-04-15 09:51:17 +0530
commit3e5ccd866fdf3a1e1d4d2c08c81f861ad6798d32 (patch)
tree7ef2a3270021ef71912e1970683ec429f93d38b7 /Documentation/dmatest.txt
parent851b7e16a07dfda6178d4e35fea9a9e3eb8954ae (diff)
dmatest: return actual state in 'run' file
The following command should return actual state of the test. % cat /sys/kernel/debug/dmatest/run To wait for test done the user may perform a busy loop that checks the state. % while [ $(cat /sys/kernel/debug/dmatest/run) = "Y" ] > do > echo -n "." > sleep 1 > done > echo Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'Documentation/dmatest.txt')
-rw-r--r--Documentation/dmatest.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/dmatest.txt b/Documentation/dmatest.txt
index 9a90729bdee6..3e17b55a8ba3 100644
--- a/Documentation/dmatest.txt
+++ b/Documentation/dmatest.txt
@@ -36,6 +36,18 @@ in the original code.
Note that running a new test will stop any in progress test.
+The following command should return actual state of the test.
+ % cat /sys/kernel/debug/dmatest/run
+
+To wait for test done the user may perform a busy loop that checks the state.
+
+ % while [ $(cat /sys/kernel/debug/dmatest/run) = "Y" ]
+ > do
+ > echo -n "."
+ > sleep 1
+ > done
+ > echo
+
Part 3 - When built-in in the kernel...
The module parameters that is supplied to the kernel command line will be used

Privacy Policy