benchmarks: document required Linux packages
To get the perf tool to work on Linux, you need to install some packages. Document them in the README. Change-Id: I00333d94e1eb8fccddf4cdcdd69cb3156b71f40b Reviewed-on: https://go-review.googlesource.com/73878 Reviewed-by: Ian Lance Taylor <iant@golang.org>pull/1/head
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@ -21,6 +21,11 @@ This format can be processed by tools like benchstat
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(https://golang.org/x/perf/cmd/benchstat) and benchplot
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(https://godoc.org/github.com/aclements/go-misc/benchplot).
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Required extra tools:
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For Linux, you need "perf". On Debian/Ubuntu, you can install
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package "perf-tools-common" to get it. Run "perf" once with no
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arguments to check if it requires additional packages to be installed.
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To submit changes to this repository, see http://golang.org/doc/contribute.html.
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[1] https://github.com/golang/proposal/blob/master/design/14313-benchmark-format.md
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