Quoting Chris Wilson (2017-10-13 13:02:58) > If the kernel has tracing support builtin, we can enable around > troublesome tests to obtain greater detail from the kernel that may > prove invaluable in debugging the problem.
Michał pointed out that there is a ftrace-dump-on-oops flag, which could very well be a way we can vastly increase debug output without increasing the noise. The challenge is putting it to use. We could start with a plain function_tracer and see where we need to go from there; I think we want to trace_printk() (as possibly a igt_trace_printk if we want to go overboard). -Chris _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
