ping prints all the info to stdout. To make debug easier capture stdout in the Exception raised when command unexpectedly fails.
Signed-off-by: Jakub Kicinski kuba@kernel.org --- tools/testing/selftests/net/lib/py/utils.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py index eff50ddd9a9d..d47d684d9e02 100644 --- a/tools/testing/selftests/net/lib/py/utils.py +++ b/tools/testing/selftests/net/lib/py/utils.py @@ -34,7 +34,8 @@ import subprocess if self.proc.returncode != 0 and fail: if len(stderr) > 0 and stderr[-1] == "\n": stderr = stderr[:-1] - raise Exception("Command failed: %s\n%s" % (self.proc.args, stderr)) + raise Exception("Command failed: %s\nSTDOUT: %s\nSTDERR: %s" % + (self.proc.args, stdout, stderr))
def ip(args, json=None, ns=None, host=None):