metrics: let tso processing time not include consumption on the network

[nolouch]

Signed-off-by: nolouch nolouch@gmail.com

What problem does this PR solve?

Sometimes we see the handle tso duration is high in the PD side, which usually caused by the network.

What is changed and how it works?

Check List

Tests

• Unit test

Release note

• metrics: let tso processing time not include consumption on the network

[Yisaer]

LGTM

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Yisaer
• lhy1024

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[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 3cbd83b

[codecov]

Codecov Report

Merging #3523 (3cbd83b) into master (c3f39da) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3523      +/-   ##
==========================================
- Coverage   74.59%   74.59%   -0.01%     
==========================================
  Files         245      245              
  Lines       24068    24068              
==========================================
- Hits        17954    17953       -1     
  Misses       4507     4507              
- Partials     1607     1608       +1     

Flag	Coverage Δ
unittests	74.59% <100.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/grpc_service.go	47.85% <100.00%> (ø)
server/tso/global_allocator.go	70.80% <0.00%> (-8.03%)	⬇️
server/tso/local_allocator.go	73.23% <0.00%> (-7.05%)	⬇️
server/region_syncer/server.go	83.33% <0.00%> (-6.07%)	⬇️
client/base_client.go	83.24% <0.00%> (-2.71%)	⬇️
server/tso/tso.go	69.93% <0.00%> (-2.46%)	⬇️
server/config/persist_options.go	91.33% <0.00%> (-0.79%)	⬇️
server/server.go	72.91% <0.00%> (-0.31%)	⬇️
server/tso/allocator_manager.go	76.24% <0.00%> (+1.16%)	⬆️
... and 7 more

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[ti-srebot]

cherry pick to release-4.0 in PR #3524

[ti-srebot]

cherry pick to release-5.0 in PR #3525