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jvns/perf_zine.txt

Created Mar 29, 2018
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find 27968 97997.204322: 707897 cycles:pp:
7fffc034eac7 read_extent_buffer ([kernel.kallsyms])
7fffc032e4f7 btrfs_real_readdir ([kernel.kallsyms])
7fff81229eb8 iterate_dir ([kernel.kallsyms])
7fff8122a359 sys_getdents ([kernel.kallsyms])
7fff81850fc8 entry_SYSCALL_64_fastpath ([kernel.kallsyms])
c88eb __getdents64 (/lib/x86_64-linux-gnu/libc-2.23.so)
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