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e1fd0b2acd
- osnoise and timerlat updates that will work with the RTLA tool (Real-Time Linux Analysis). Specifically it disconnects the work load (threads that look for latency) from the tracing instances attached to them, allowing for more than one instance to retrieve data from the work load. - Optimization on division in the trace histogram trigger code to use shift and multiply when possible. Also added documentation. - Fix prototype to my_direct_func in direct ftrace trampoline sample code. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYYKWXxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qqJEAP9czpSZ/nFvDjxdGHZAcKKXCFWbGcK5 IF2cHDDwxXjZ/gD+NnpRhR1JPfA55fO52DUJPn2cOU5xOsP6DmJxu6mwDg0= =AKVv -----END PGP SIGNATURE----- Merge tag 'trace-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull more tracing updates from Steven Rostedt: - osnoise and timerlat updates that will work with the RTLA tool (Real-Time Linux Analysis). Specifically it disconnects the work load (threads that look for latency) from the tracing instances attached to them, allowing for more than one instance to retrieve data from the work load. - Optimization on division in the trace histogram trigger code to use shift and multiply when possible. Also added documentation. - Fix prototype to my_direct_func in direct ftrace trampoline sample code. * tag 'trace-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace/samples: Add missing prototype for my_direct_func tracing/selftests: Add tests for hist trigger expression parsing tracing/histogram: Document hist trigger variables tracing/histogram: Update division by 0 documentation tracing/histogram: Optimize division by constants tracing/osnoise: Remove PREEMPT_RT ifdefs from inside functions tracing/osnoise: Remove STACKTRACE ifdefs from inside functions tracing/osnoise: Allow multiple instances of the same tracer tracing/osnoise: Remove TIMERLAT ifdefs from inside functions tracing/osnoise: Support a list of trace_array *tr tracing/osnoise: Use start/stop_per_cpu_kthreads() on osnoise_cpus_write() tracing/osnoise: Split workload start from the tracer start tracing/osnoise: Improve comments about barrier need for NMI callbacks tracing/osnoise: Do not follow tracing_cpumask |
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