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====== HOWTO: RT tools and utilities ======

Following are the tools and utilities which might be helpful to someone who is trying to write an userspace application or make changes to the real-time kernel: 

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===== Test Suites =====

There are several test suites available:
  * [[realtime:documentation:howto:tools:ltp|Linux Test Project]]
  * [[realtime:documentation:howto:tools:rt-tests|rt-tests]]

===== Resource Partitioning =====

  * [[realtime:documentation:howto:tools:cpu-partitioning:start|CPU Partitioning]]


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===== Latency detection =====

Information about latency debugging techniques is available [[realtime:documentation:howto:debugging:start|here]].

The following tools can be useful for latency detection:
  * [[realtime:documentation:howto:tools:rtla|The realtime Linux analysis tool]]
  * [[realtime:documentation:howto:tools:cyclictest:start|Cyclictest]] (part of the test suite [[realtime:documentation:howto:tools:rt-tests|rt-tests]])
  * [[realtime:documentation:howto:tools:ftrace|Ftrace]]
  * [[realtime:documentation:howto:tools:lttng|LTTng]]
  * [[realtime:documentation:howto:tools:latency-tracker|latency-tracker]]
  * [[realtime:documentation:howto:tools:hwlat|Ftrace - hwlat tracer]]
  * [[realtime:documentation:howto:tools:perf-smi-cost|Perf stat - Cost of SMI handling]]
  * [[https://www.brendangregg.com/perf.html#SchedulerAnalysis|scheduler analysis with perf]]

The following projects use Cyclictest results to evaluate latencies:
  * [[realtime:documentation:howto:tools:rteval|rteval]]
  * [[realtime:documentation:howto:tools:worstcaselatency|Worst case latency test scenarios]]

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