DISPATCH-2235: Dump time delay before lock is acquired

[kgiusti]

• top five total waits: $ sort --reverse --numeric --key 3 | head -5
• top five with waits > 1000 nsc: $ sort --reverse --numeric --key 7 | head -5
• top five maximum single-call wait times: sort --reverse --numeric --key 9 | head -5

[codecov-commenter]

Codecov Report

Merging #1346 (7385e53) into main (e9679c5) will decrease coverage by 0.07%. The diff coverage is 98.48%.

@@            Coverage Diff             @@
##             main    #1346      +/-   ##
==========================================
- Coverage   84.73%   84.66%   -0.08%     
==========================================
  Files         114      114              
  Lines       28394    28405      +11     
==========================================
- Hits        24059    24048      -11     
- Misses       4335     4357      +22     

Impacted Files	Coverage Δ
src/posix/threading.c	95.83% <96.15%> (+0.44%)	:arrow_up:
src/adaptors/http1/http1_adaptor.c	83.79% <100.00%> (ø)
src/adaptors/tcp_adaptor.c	77.36% <100.00%> (ø)
src/alloc_pool.c	93.81% <100.00%> (+0.08%)	:arrow_up:
src/container.c	84.41% <100.00%> (ø)
src/entity_cache.c	100.00% <100.00%> (ø)
src/log.c	91.20% <100.00%> (ø)
src/message.c	87.55% <100.00%> (+0.13%)	:arrow_up:
src/policy.c	87.31% <100.00%> (ø)
src/python_embedded.c	68.43% <100.00%> (ø)
... and 18 more

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