Add withTracingSupport

[adam-fowler]

This should make it easier to add distributed tracing to pipeline and transaction

[github-actions]

❌ Pull request has performance regressions ❌

Summary

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Threshold deviations for ValkeyBenchmarks:Connection: GET benchmark – NoOpTracer
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Malloc (total) (#, %)	main	pull_request	Difference %	Threshold %
p25	6975	7743	11	5

New baseline 'pull_request' is WORSE than the 'main' baseline thresholds.

Full Benchmark Comparison

Comparing results between 'main' and 'pull_request'

Host '190e13ff7465' with 4 'x86_64' processors with 15 GB memory, running:
#18~24.04.1-Ubuntu SMP Sat Jun 28 04:46:03 UTC 2025

ValkeyBenchmarks

Client: GET benchmark metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	51	51	54	55	56	56	56	7
pull_request	50	52	54	55	56	56	56	7
Δ	-1	1	0	0	0	0	0	0
Improvement %	2	-2	0	0	0	0	0	0

Client: GET benchmark | parallel 20 | 20 concurrent connections metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	49	53	55	56	59	63	63	30
pull_request	49	53	54	56	58	61	61	29
Δ	0	0	-1	0	-1	-2	-2	-1
Improvement %	0	0	2	0	2	3	3	-1

Connection: GET benchmark metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	4	4	4	4	4	4	4	9
pull_request	4	4	4	4	4	4	4	9
Δ	0	0	0	0	0	0	0	0
Improvement %	0	0	0	0	0	0	0	0

Connection: GET benchmark – NoOpTracer metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	4	7	8	9	9	9	9	8
pull_request	4	8	8	9	9	9	9	9
Δ	0	1	0	0	0	0	0	1
Improvement %	0	-14	0	0	0	0	0	1

Connection: Pipeline array benchmark metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	9	20	24	27	30	30	30	9
pull_request	9	20	24	27	30	30	30	9
Δ	0	0	0	0	0	0	0	0
Improvement %	0	0	0	0	0	0	0	0

Connection: Pipeline benchmark metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	7	24	24	24	25	25	25	9
pull_request	7	24	24	24	25	25	25	9
Δ	0	0	0	0	0	0	0	0
Improvement %	0	0	0	0	0	0	0	0

HashSlot – {user}.whatever metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	0	0	0	0	0	0	0	21
pull_request	0	0	0	0	0	0	0	21
Δ	0	0	0	0	0	0	0	0
Improvement %	0	0	0	0	0	0	0	0

ValkeyCommandEncoder – Command with 7 words metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	0	0	0	0	0	0	0	1000
pull_request	0	0	0	0	0	0	0	1006
Δ	0	0	0	0	0	0	0	6
Improvement %	0	0	0	0	0	0	0	6

ValkeyCommandEncoder – Simple GET metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	0	0	0	0	0	0	0	2471
pull_request	0	0	0	0	0	0	0	2517
Δ	0	0	0	0	0	0	0	46
Improvement %	0	0	0	0	0	0	0	46

ValkeyCommandEncoder – Simple MGET 15 keys metrics

Malloc (total): results within specified thresholds, fold down for details.

Malloc (total) *	p0	p25	p50	p75	p90	p99	p100	Samples
main	0	0	0	0	0	0	0	444
pull_request	0	0	0	0	0	0	0	461
Δ	0	0	0	0	0	0	0	17
Improvement %	0	0	0	0	0	0	0	17