[PATCH] tools/rtla: Add -U/--user-load option to timerlat

2024-02-06 Thread Daniel Bristot de Oliveira
The timerlat tracer provides an interface for any application to wait for the timerlat's periodic wakeup. Currently, rtla timerlat uses it to dispatch its user-space workload (-u option). But as the tracer interface is generic, rtla timerlat can also be used to monitor any workload that uses it. F

[PATCH v4] tracing: Support to dump instance traces by ftrace_dump_on_oops

2024-02-06 Thread Huang Yiwei
Currently ftrace only dumps the global trace buffer on an OOPs. For debugging a production usecase, instance trace will be helpful to check specific problems since global trace buffer may be used for other purposes. This patch extend the ftrace_dump_on_oops parameter to dump a specific or multiple