Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Remove verbose_generic_activity_with_arg #115736

Merged
merged 3 commits into from
Sep 13, 2023
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
41 changes: 15 additions & 26 deletions compiler/rustc_codegen_cranelift/src/driver/aot.rs
Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ fn module_codegen(
),
) -> OngoingModuleCodegen {
let (cgu_name, mut cx, mut module, codegened_functions) =
tcx.prof.verbose_generic_activity_with_arg("codegen cgu", cgu_name.as_str()).run(|| {
tcx.prof.generic_activity_with_arg("codegen cgu", cgu_name.as_str()).run(|| {
let cgu = tcx.codegen_unit(cgu_name);
let mono_items = cgu.items_in_deterministic_order(tcx);

Expand Down Expand Up @@ -322,35 +322,24 @@ fn module_codegen(
});

OngoingModuleCodegen::Async(std::thread::spawn(move || {
cx.profiler.clone().verbose_generic_activity_with_arg("compile functions", &*cgu_name).run(
|| {
cranelift_codegen::timing::set_thread_profiler(Box::new(super::MeasuremeProfiler(
cx.profiler.clone(),
)));

let mut cached_context = Context::new();
for codegened_func in codegened_functions {
crate::base::compile_fn(
&mut cx,
&mut cached_context,
&mut module,
codegened_func,
);
}
},
);
cx.profiler.clone().generic_activity_with_arg("compile functions", &*cgu_name).run(|| {
cranelift_codegen::timing::set_thread_profiler(Box::new(super::MeasuremeProfiler(
cx.profiler.clone(),
)));

let mut cached_context = Context::new();
for codegened_func in codegened_functions {
crate::base::compile_fn(&mut cx, &mut cached_context, &mut module, codegened_func);
}
});

let global_asm_object_file = cx
.profiler
.verbose_generic_activity_with_arg("compile assembly", &*cgu_name)
.run(|| {
let global_asm_object_file =
cx.profiler.generic_activity_with_arg("compile assembly", &*cgu_name).run(|| {
crate::global_asm::compile_global_asm(&global_asm_config, &cgu_name, &cx.global_asm)
})?;

let codegen_result = cx
.profiler
.verbose_generic_activity_with_arg("write object file", &*cgu_name)
.run(|| {
let codegen_result =
cx.profiler.generic_activity_with_arg("write object file", &*cgu_name).run(|| {
emit_cgu(
&global_asm_config.output_filenames,
&cx.profiler,
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_codegen_llvm/src/back/lto.rs
Original file line number Diff line number Diff line change
Expand Up @@ -605,7 +605,7 @@ pub(crate) fn run_pass_manager(
module: &mut ModuleCodegen<ModuleLlvm>,
thin: bool,
) -> Result<(), FatalError> {
let _timer = cgcx.prof.verbose_generic_activity_with_arg("LLVM_lto_optimize", &*module.name);
let _timer = cgcx.prof.generic_activity_with_arg("LLVM_lto_optimize", &*module.name);
let config = cgcx.config(module.kind);

// Now we have one massive module inside of llmod. Time to run the
Expand Down
37 changes: 37 additions & 0 deletions compiler/rustc_middle/src/mir/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ use rustc_target::abi::{FieldIdx, Size, VariantIdx};

use polonius_engine::Atom;
pub use rustc_ast::Mutability;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::graph::dominators::Dominators;
use rustc_index::{Idx, IndexSlice, IndexVec};
Expand All @@ -35,6 +36,8 @@ use rustc_span::{Span, DUMMY_SP};
use either::Either;

use std::borrow::Cow;
use std::cell::RefCell;
use std::collections::hash_map::Entry;
use std::fmt::{self, Debug, Display, Formatter, Write};
use std::ops::{Index, IndexMut};
use std::{iter, mem};
Expand Down Expand Up @@ -97,6 +100,36 @@ impl<'tcx> HasLocalDecls<'tcx> for Body<'tcx> {
}
}

thread_local! {
static PASS_NAMES: RefCell<FxHashMap<&'static str, &'static str>> = {
RefCell::new(FxHashMap::default())
};
}

/// Converts a MIR pass name into a snake case form to match the profiling naming style.
fn to_profiler_name(type_name: &'static str) -> &'static str {
PASS_NAMES.with(|names| match names.borrow_mut().entry(type_name) {
Entry::Occupied(e) => *e.get(),
Entry::Vacant(e) => {
let snake_case: String = type_name
.chars()
.flat_map(|c| {
if c.is_ascii_uppercase() {
vec!['_', c.to_ascii_lowercase()]
} else if c == '-' {
vec!['_']
} else {
vec![c]
}
})
.collect();
let result = &*String::leak(format!("mir_pass{}", snake_case));
e.insert(result);
result
}
})
}

/// A streamlined trait that you can implement to create a pass; the
/// pass will be named after the type, and it will consist of a main
/// loop that goes over each available MIR and applies `run_pass`.
Expand All @@ -106,6 +139,10 @@ pub trait MirPass<'tcx> {
if let Some((_, tail)) = name.rsplit_once(':') { tail } else { name }
}

fn profiler_name(&self) -> &'static str {
to_profiler_name(self.name())
}

/// Returns `true` if this pass is enabled with the current combination of compiler flags.
fn is_enabled(&self, _sess: &Session) -> bool {
true
Expand Down
11 changes: 10 additions & 1 deletion compiler/rustc_mir_transform/src/pass_manager.rs
Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ fn run_passes_inner<'tcx>(
let overridden_passes = &tcx.sess.opts.unstable_opts.mir_enable_passes;
trace!(?overridden_passes);

let prof_arg = tcx.sess.prof.enabled().then(|| format!("{:?}", body.source.def_id()));

if !body.should_skip() {
for pass in passes {
let name = pass.name();
Expand Down Expand Up @@ -121,7 +123,14 @@ fn run_passes_inner<'tcx>(
validate_body(tcx, body, format!("before pass {name}"));
}

tcx.sess.time(name, || pass.run_pass(tcx, body));
if let Some(prof_arg) = &prof_arg {
tcx.sess
.prof
.generic_activity_with_arg(pass.profiler_name(), &**prof_arg)
.run(|| pass.run_pass(tcx, body));
} else {
pass.run_pass(tcx, body);
}

if dump_enabled {
dump_mir_for_pass(tcx, body, &name, true);
Expand Down
3 changes: 1 addition & 2 deletions compiler/rustc_query_impl/src/plumbing.rs
Original file line number Diff line number Diff line change
Expand Up @@ -348,8 +348,7 @@ pub(crate) fn encode_query_results<'a, 'tcx, Q>(
Q: super::QueryConfigRestored<'tcx>,
Q::RestoredValue: Encodable<CacheEncoder<'a, 'tcx>>,
{
let _timer =
qcx.profiler().verbose_generic_activity_with_arg("encode_query_results_for", query.name());
let _timer = qcx.profiler().generic_activity_with_arg("encode_query_results_for", query.name());

assert!(query.query_state(qcx).all_inactive());
let cache = query.query_cache(qcx);
Expand Down
Loading