[WIP] Tracing #506
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[WIP] Tracing #506
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Add centralized telemetry package and custom spans
following the llm-d distributed tracing proposal.
- Request-level correlation via gen_ai.request.id across all spans
- P/D decision visibility (cache hits, thresholds, reasons)
- Score distribution metrics for performance analysis
- Error tracking with RecordError and SetStatus
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: sallyom <somalley@redhat.com>
…-manager & GAIE Signed-off-by: sallyom <somalley@redhat.com>
* pd_sidecar.request: Top-level SERVER span at entry point * pd_sidecar.prefill: INTERNAL span for prefill stage * pd_sidecar.decode: INTERNAL span for decode stage Implementation covers all three P/D connectors: - NIXLv2 (default): Sequential prefill -> decode with KV transfer - LMCache: Sequential prefill -> decode with simplified protocol - SGLang: Concurrent prefill + decode with bootstrap coordination Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: sallyom <somalley@redhat.com>
Signed-off-by: sallyom <somalley@redhat.com>
Signed-off-by: sallyom <somalley@redhat.com>
Signed-off-by: sallyom <somalley@redhat.com>
Signed-off-by: sallyom <somalley@redhat.com>
Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: sallyom <somalley@redhat.com>
Signed-off-by: sallyom <somalley@redhat.com>
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Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: sallyom <somalley@redhat.com>
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