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realtime:documentation:howto:tools:hwlat [2018/08/22 16:56]
ebugden [Tracing] Add todo for bug warning removal
realtime:documentation:howto:tools:hwlat [2018/08/24 09:48] (current)
ebugden [Ftrace - hwlat tracer] Remove ftrace highlight on kernel doc link
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 hwlat is an Ftrace tracer designed to detect latencies caused by a system'​s firmware or hardware. The tracer was originally intended for [[realtime:​documentation:​howto:​debugging:​smi-latency:​start|detecting SMIs]], but it can detect other low level latencies as well. hwlat is an Ftrace tracer designed to detect latencies caused by a system'​s firmware or hardware. The tracer was originally intended for [[realtime:​documentation:​howto:​debugging:​smi-latency:​start|detecting SMIs]], but it can detect other low level latencies as well.
  
-This article is brief because it is dedicated to a specific Ftrace tracer. More complete information about how to use Ftrace can be found [[realtime:​documentation:​howto:​tools:​ftrace|here]]. More details about this tracer can be found in the kernel documentation for Ftrace and in the kernel documentation for the hardware latency detector.+This article is brief because it is dedicated to a specific Ftrace tracer. More complete information about how to use Ftrace can be found [[realtime:​documentation:​howto:​tools:​ftrace|here]]. More details about this tracer can be found in the kernel documentation for [[https://​www.kernel.org/​doc/​html/​latest/​trace/​ftrace.html#​hardware-latency-detector|Ftrace]] and in the kernel documentation for the [[https://​www.kernel.org/​doc/​html/​latest/​trace/​hwlat_detector.html|Hardware Latency Detector]].
  
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realtime/documentation/howto/tools/hwlat.1534956982.txt.gz ยท Last modified: 2018/08/22 16:56 by ebugden