Especially when the test is configured to run for a longer time it can be
reassuring to users to see that the supervising program is running OK so
provide a message every second when the output timer expires.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221017144553.773176-3-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
                        all_children_started = true;
                }
 
+               ksft_print_msg("Sending signals, timeout remaining: %d\n",
+                              timeout);
+
                for (i = 0; i < num_children; i++)
                        child_tickle(&children[i]);