Add stackcollapse-trace-cmd.rb #344
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This is a stackcollapse processor for the output of `trace-cmd`, specifically the output of `trace-cmd report` when processing a recording with the `function_graph` plugin. It is designed to be used with flamegraph.pl --flamechart, and spacers are inserted to prevent individual calls from being merged. There is also a latency cutoff parameter that can be used to filter for slow calls.
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This is a stackcollapse processor for the output of
trace-cmd, specifically the output oftrace-cmd reportwhen processing a recording with thefunction_graphplugin.It is designed to be used with flamegraph.pl --flamechart, and spacers are inserted to prevent individual calls from being merged.
There is also a latency cutoff parameter that can be used to filter for slow calls.
It's written in ruby, feel free to rewrite it in perl.
Usage:
Sample flamechart:
Upstream issue: