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Enable guest tracing #695

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Merged
merged 16 commits into from
Jul 23, 2025
Merged

Enable guest tracing #695

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1a702de
[hyperlight_host] Restrict OutBHandler{Caller,Wrapper} to pub(crate)
syntactically Oct 19, 2024
c3d65fc
[hyperlight_host] Plumb a trace file descriptor around
syntactically Oct 19, 2024
21cf19b
[hyperlight_host/exe] Allow load() to consume the exe_info
syntactically Dec 5, 2024
77c6ce7
[hyperlight_host/trace] Add HV interface for reading trace registers
syntactically Oct 19, 2024
f5a8084
[hyperlight_host/trace] Support collecting guest stacktraces
syntactically Dec 5, 2024
e027582
allow dead code for unused functions triggered by previous commit
dblnz Jul 3, 2025
d26ccba
Add trace support for recording memory allocations and frees
syntactically Dec 6, 2024
7cc9a7a
Add basic utility for dumping logs and memory statistics from traces
syntactically Dec 6, 2024
5d74e19
add license header to trace_dump
dblnz Jul 7, 2025
407a2f4
Fix clippy warnings for unrelated work
dblnz Jul 8, 2025
63d5130
[hyperlight-guest-tracing] Add crates that generate guest tracing rec…
dblnz Jul 8, 2025
cb8c1fc
[hyperlight_host/trace] Handle the trace records sent by a guest
dblnz Jul 8, 2025
1dea1fd
[hyperlight_guest] Add traces in the guest to track the execution timing
dblnz Jul 8, 2025
4ac82da
Update sample guests to accept features that enable tracing
dblnz Jul 8, 2025
593becc
Update utility for dumping logs to support the traces
dblnz Jul 8, 2025
26a8954
Add documentation on how to use the tracing functionality
dblnz Jul 8, 2025
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8 changes: 8 additions & 0 deletions .github/workflows/dep_rust.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,7 @@ jobs:
cargo check -p hyperlight-host --features crashdump
cargo check -p hyperlight-host --features print_debug
cargo check -p hyperlight-host --features gdb
cargo check -p hyperlight-host --features trace_guest,unwind_guest,mem_profile

# without any features
just test-compilation-no-default-features ${{ matrix.config }}
Expand Down Expand Up @@ -169,6 +170,13 @@ jobs:
RUST_LOG: debug
run: just test-rust-crashdump ${{ matrix.config }} ${{ matrix.hypervisor == 'mshv' && 'mshv2' || ''}}

- name: Run Rust Tracing tests - linux
if: runner.os == 'Linux'
env:
CARGO_TERM_COLOR: always
RUST_LOG: debug
run: just test-rust-tracing ${{ matrix.config }} ${{ matrix.hypervisor == 'mshv2' && 'mshv2' || ''}}

- name: Download benchmarks from "latest"
run: just bench-download ${{ runner.os }} ${{ matrix.hypervisor }} ${{ matrix.cpu}} dev-latest # compare to prerelease
env:
Expand Down
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