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pagebench: add CPU profiling support (#12478)

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## Problem

The new communicator gRPC client has significantly worse Pagebench
performance than a basic gRPC client. We need to find out why.

## Summary of changes

Add a `pagebench --profile` flag which takes a client CPU profile of the
benchmark and writes a flamegraph to `profile.svg`.
This commit is contained in:
Erik Grinaker
2025-07-14 13:44:53 +02:00
committed by GitHub
parent f18cc808f0
commit 30b877074c
3 changed files with 49 additions and 12 deletions
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Cargo.lock generated
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@@ -4296,6 +4296,7 @@ dependencies = [
"pageserver_client",
"pageserver_client_grpc",
"pageserver_page_api",
"pprof",
"rand 0.8.5",
"reqwest",
"serde",