diff options
| -rwxr-xr-x | src/ci/pgo.sh | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/src/ci/pgo.sh b/src/ci/pgo.sh index eaf92b033a1..1917d4e6980 100755 --- a/src/ci/pgo.sh +++ b/src/ci/pgo.sh @@ -19,6 +19,34 @@ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \ --edition=2021 --crate-type=lib -Copt-level=3 ../library/core/src/lib.rs +cp -r /tmp/rustc-perf ./ +chown -R $(whoami): ./rustc-perf +cd rustc-perf + +# Build the collector ahead of time, which is needed to make sure the rustc-fake +# binary used by the collector is present. +RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \ +RUSTC_BOOTSTRAP=1 \ +/checkout/obj/build/$PGO_HOST/stage0/bin/cargo build -p collector + +# Gather LLVM PGO profiles from real-world crates. +# Benchmark using profile_local with eprintln, which essentially just means +# don't actually benchmark -- just make sure we run rustc a bunch of times. +RUST_LOG=collector=debug \ +RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \ +RUSTC_BOOTSTRAP=1 \ +/checkout/obj/build/$PGO_HOST/stage0/bin/cargo run -p collector --bin collector -- \ + profile_local \ + eprintln \ + /checkout/obj/build/$PGO_HOST/stage2/bin/rustc \ + Test \ + --builds Debug,Opt \ + --cargo /checkout/obj/build/$PGO_HOST/stage0/bin/cargo \ + --runs All \ + --include syn,cargo,serde,ripgrep,regex,clap-rs,hyper-2 + +cd /checkout/obj + # Merge the profile data we gathered for LLVM # Note that this uses the profdata from the clang we used to build LLVM, # which likely has a different version than our in-tree clang. @@ -42,18 +70,8 @@ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \ --edition=2021 --crate-type=lib -Copt-level=3 ../library/core/src/lib.rs -cp -r /tmp/rustc-perf ./ -chown -R $(whoami): ./rustc-perf cd rustc-perf -# Build the collector ahead of time, which is needed to make sure the rustc-fake -# binary used by the collector is present. -RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \ -RUSTC_BOOTSTRAP=1 \ -/checkout/obj/build/$PGO_HOST/stage0/bin/cargo build -p collector - -# benchmark using profile_local with eprintln, which essentially just means -# don't actually benchmark -- just make sure we run rustc a bunch of times. RUST_LOG=collector=debug \ RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \ RUSTC_BOOTSTRAP=1 \ |