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Bitcoin Core Flamegraphs with perf #46

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maflcko opened this issue May 11, 2021 · 0 comments
Open

Bitcoin Core Flamegraphs with perf #46

maflcko opened this issue May 11, 2021 · 0 comments
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@maflcko
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maflcko commented May 11, 2021 •
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Make sure to install perf, then:

# Attach to running process
perf record -g --call-graph dwarf/fp/lbr -F 101 -p PID -- sleep 60

# For full lifetime of process
FUZZ=timedata  perf record -g --call-graph fp/lbr/dwarf -F 101  ./src/test/fuzz/fuzz -runs=1 ~/Downloads/clusterfuzz-testcase-minimized-timedata-5688351421235200

hotspot  ./perf.data

Make sure to clone https://github.com/brendangregg/FlameGraph, then:

( perf script | ./FlameGraph/stackcollapse-perf.pl --all | ./FlameGraph/flamegraph.pl > /tmp/a.svg ) && firefox /tmp/a.svg
@maflcko maflcko added the blog label May 11, 2021
maflcko pushed a commit that referenced this issue Oct 20, 2021
@fanquake
Squashed 'src/univalue/' changes from 98fadc0909..a44caf65fe
9b49ed6 
a44caf65fe Merge bitcoin-core/univalue-subtree#28: Import fixes for sanitizer reported issues
135254331e Import fixes for sanitizer reported issues
d5fb86940e refactor: use c++11 range based for loop in checkObject
ff9c379304 refactor: Use nullptr (c++11) instead of NULL
08a99754d5 build: use ax_cxx_compile_stdcxx.m4 to check for C++11 support
66d3713ce7 Merge bitcoin-core/univalue-subtree#29: ci: travis -> cirrus
808d487292 ci: travis -> cirrus
c390ac375f Merge bitcoin-core/univalue-subtree#19: Split sources for easier buildsystem integration
4a5b0a1c65 build: Move source entries out to sources.mk
6c7d94b33c build: cleanup wonky gen usage
a222637c6d Merge #23: Merge changes from jgarzik/univalue@1ae6a23
f77d0f718d Merge commit '1ae6a231a0169938eb3972c1d48dd17cba5947e1' into HEAD
1ae6a231a0 Merge pull request #57 from MarcoFalke/test_fix
92bdd11f0b univalue_write: remove unneeded sstream.h include
ffb621c130 Merge pull request #56 from drodil/remove_sstream_header
f33acf9fe8 Merge commit '7890db9~' into HEAD
66e0adec4d Remove unnecessary sstream header from univalue.h
88967f6586 Version 1.0.4
1dc113dbef Merge pull request #50 from luke-jr/pushKV_bool
72392fb227 [tests] test pushKV for boolean values
c23132bcf4 Pushing boolean value to univalue correctly
81faab26a1 Merge pull request #48 from fwolfst/47-UPDATE_MIT_LINK_TO_HTTPS
b17634ef24 Update URLs to MIT license.
88ab64f6b5 Merge pull request #46 from jasonbcox/master
35ed96da31 Merge pull request #44 from MarcoFalke/Mf1709-univalue-cherrypick-explicit
420c226290 Merge pull request #45 from MarcoFalke/Mf1710-univalue-revert-test

git-subtree-dir: src/univalue
git-subtree-split: a44caf65fe55b9dd8ddb08f04c0f70409efd53b3
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