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zimmermanw84
/ keybase.md
Created
November 18, 2017 05:38
zimmermanw84
/ perf-flame-graph-notes.md
Created
July 21, 2016 16:58
— forked from trevnorris/perf-flame-graph-notes.md
Quick steps of how to create a flame graph using perf
The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.
When you want to generate the flame graph, run the following (folder locations taken from install script):
sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0