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larytet/define_symbol_usage.stp

Created June 16, 2017 20:03
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Define symbol in STAP
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define_symbol_usage.stp
@define cc1 %( "/usr/libexec/gcc/x86_64-redhat-linux/6.3.1/cc1" %)
global insns
probe perf.hw.instructions.process(@cc1).counter("foo") {}
probe process(@cc1).function("*").return {
insns[execname(),tid()] = @perf("foo") // implicit max()
}
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larytet commented Jun 16, 2017

Based on https://sourceware.org/ml/systemtap/2017-q2/msg00123.html

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