[tor-bugs] #23722 [Core Tor/Tor]: Somebody should profile a Tor 0.3.1.7 relay

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#23722: Somebody should profile a Tor 0.3.1.7 relay
--------------------------+------------------------------------
 Reporter:  arma          |          Owner:  (none)
     Type:  enhancement   |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by dgoulet):

 After around 1h30 of profiling:

 {{{
   20.87%  tor      [kernel.kallsyms]      [k] update_blocked_averages
 ▒
    8.54%  tor      tor                    [.] curve25519_donna
 ▒
    1.50%  tor      [kernel.kallsyms]      [k]
 native_queued_spin_lock_slowpath
 ▒
    1.27%  tor      libc-2.23.so           [.] malloc
 ▒
    1.21%  tor      tor                    [.] connection_bucket_refill
 ▒
    1.09%  tor      [kernel.kallsyms]      [k] __bpf_prog_run
 ▒
    0.97%  tor      libc-2.23.so           [.] 0x000000000007fdeb
 ▒
    0.89%  tor      libevent-2.0.so.5.1.9  [.] _init
 ▒
    0.86%  tor      libcrypto.so.1.0.0     [.] BN_num_bits_word
 ▒
    0.81%  tor      tor                    [.] circuitmux_find_map_entry
 ▒
    0.68%  tor      tor                    [.] curve25519_square_times
 ▒
    0.66%  tor      [kernel.kallsyms]      [k] try_to_wake_up
 ▒
    0.65%  tor      libcrypto.so.1.0.0     [.] BN_num_bits
 ▒
    0.65%  tor      tor                    [.] ewma_cmp_cmux
 ▒
    0.62%  tor      libc-2.23.so           [.] 0x0000000000081c78
 ▒
    0.61%  tor      [nf_conntrack]         [k] __nf_conntrack_find_get
 ▒
    0.60%  tor      libcrypto.so.1.0.0     [.] 0x00000000000c7567
 ▒
    0.55%  tor      tor                    [.] buf_datalen
 ▒
    0.54%  tor      libcrypto.so.1.0.0     [.] 0x00000000000c728e
 ▒
    0.52%  tor      [kernel.kallsyms]      [k] __fget
 ▒
    0.51%  tor      tor                    [.]
 circuit_get_by_circid_channel
 ▒
    0.51%  tor      tor                    [.] ge25519_nielsadd2
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23722#comment:3>
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