From 3e5ccd866fdf3a1e1d4d2c08c81f861ad6798d32 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 4 Mar 2013 11:09:31 +0200 Subject: 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 Signed-off-by: Vinod Koul --- Documentation/dmatest.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'Documentation') 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 -- cgit v1.2.3