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Add rust.frame-pointers config option #121203

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merged 1 commit into from Feb 19, 2024
Merged

Add rust.frame-pointers config option #121203

merged 1 commit into from Feb 19, 2024

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Nilstrieb
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This is very helpful for profiling. I've hacked this in many times, so let's add it properly.

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rustbot commented Feb 16, 2024

r? @Mark-Simulacrum

rustbot has assigned @Mark-Simulacrum.
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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) labels Feb 16, 2024
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rustbot commented Feb 16, 2024

This PR modifies config.example.toml.

If appropriate, please update CONFIG_CHANGE_HISTORY in src/bootstrap/src/utils/change_tracker.rs.

This PR modifies src/bootstrap/src/core/config.

If appropriate, please update CONFIG_CHANGE_HISTORY in src/bootstrap/src/utils/change_tracker.rs.

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Can you make this on by default in the compiler profile?

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r=me on this change with or without the compiler profile change

@Mark-Simulacrum Mark-Simulacrum added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 17, 2024
@Nilstrieb
Add rust.frame-pointers config option
09e6043 
This is very helpful for profiling. I've hacked this in many times, so
let's add it properly.
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rustbot commented Feb 18, 2024

This PR changes src/bootstrap/defaults/config.compiler.toml. If appropriate, please also update config.codegen.toml so the defaults are in sync.

This PR modifies src/bootstrap/defaults.

If appropriate, please update CONFIG_CHANGE_HISTORY in src/bootstrap/src/utils/change_tracker.rs.

This PR changes src/bootstrap/defaults/config.codegen.toml. If appropriate, please also update config.compiler.toml so the defaults are in sync.

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with :3
@bors r=Mark-Simulacrum

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bors commented Feb 18, 2024

📌 Commit 09e6043 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Feb 18, 2024
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bors commented Feb 19, 2024

⌛ Testing commit 09e6043 with merge eb1f279...

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bors commented Feb 19, 2024

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing eb1f279 to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Feb 19, 2024
@bors bors merged commit eb1f279 into rust-lang:master Feb 19, 2024
12 checks passed
@rustbot rustbot added this to the 1.78.0 milestone Feb 19, 2024
@Nilstrieb Nilstrieb deleted the fp branch February 19, 2024 11:46
@bors bors mentioned this pull request Feb 19, 2024
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Finished benchmarking commit (eb1f279): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 - - 0
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 -0.3% [-0.3%, -0.3%] 3
All ❌✅ (primary) - - 0

Max RSS (memory usage)

This benchmark run did not return any relevant results for this metric.

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 3.5% [3.5%, 3.6%] 2
Improvements ✅
(primary)		 -3.2% [-3.6%, -2.7%] 3
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) -3.2% [-3.6%, -2.7%] 3

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 640.916s -> 641.205s (0.05%)
Artifact size: 308.79 MiB -> 308.81 MiB (0.01%)

@nshyrei nshyrei mentioned this pull request Feb 26, 2024
Closed
@raoulstrackx raoulstrackx mentioned this pull request Feb 27, 2024
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Mar 4, 2024
@matthiaskrgr
Rollup merge of rust-lang#121683 - fortanix:raoul/lvi_fixes, r=cuviper
3f7eced 
Fix LVI tests after frame pointers are enabled by default

rust-lang#121203 enables frame pointers by default. This affects LVI mitigations for the `x86_64-fortanix-unknown-sgx` target. LVI remained mitigated correctly, but the tests were too strict.

`@nshyrei` , `@jethrogb`
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Mar 4, 2024
@matthiaskrgr
Rollup merge of rust-lang#121683 - fortanix:raoul/lvi_fixes, r=cuviper
8886c31 
Fix LVI tests after frame pointers are enabled by default

rust-lang#121203 enables frame pointers by default. This affects LVI mitigations for the `x86_64-fortanix-unknown-sgx` target. LVI remained mitigated correctly, but the tests were too strict.

``@nshyrei`` , ``@jethrogb``
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Mar 5, 2024
@rust-timer
Unrolled build for rust-lang#121683
ce2b6ed 
Rollup merge of rust-lang#121683 - fortanix:raoul/lvi_fixes, r=cuviper

Fix LVI tests after frame pointers are enabled by default

rust-lang#121203 enables frame pointers by default. This affects LVI mitigations for the `x86_64-fortanix-unknown-sgx` target. LVI remained mitigated correctly, but the tests were too strict.

``@nshyrei`` , ``@jethrogb``
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