Bug #1894407 “linux-tools: can perf be linked against libbfd, ma...” : Bugs : linux package : Ubuntu
~60x speed-up of Linux
I’ve recently been using cargo-flamegraph to profile syndicate-server. The tool is great, but it uses perf to record and analyze profile data, and perf on Debian has a performance problem: when not linked against libbfd, it shells out to addr2line for every address it needs to look up. Thousands and thousands and thousands of incredibly short-lived processes. Michał Sidor suggests building against
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