profile-violetear/

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Identify allocations

When setting allocfreetrace=1 to environment variable GODEBUG, you can see stacktrace where allocation occures:

allocfreetrace: setting allocfreetrace=1 causes every allocation to be
profiled and a stack trace printed on each object's allocation and free.

Build test:

go test -c

Run bench:

GODEBUG=allocfreetrace=1 ./test.test -test.run=none -test.bench=BenchmarkRouter -test.benchtime=10ms 2>trace.log

https://methane.github.io/2015/02/reduce-allocation-in-go-code/