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self-profiling: Remove module names from some event-ids in codegen backend. #65695

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Oct 23, 2019
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self-profiling: Remove module names from some event-ids in codegen backend. #65695

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12 changes: 6 additions & 6 deletions src/librustc_codegen_ssa/back/write.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -259,7 +259,7 @@ fn generate_lto_work<B: ExtraBackendMethods>(
needs_thin_lto: Vec<(String, B::ThinBuffer)>,
import_only_modules: Vec<(SerializedModule<B::ModuleBuffer>, WorkProduct)>
) -> Vec<(WorkItem<B>, u64)> {
let _prof_timer = cgcx.prof.generic_activity("codegen_run_lto");
let _prof_timer = cgcx.prof.generic_activity("codegen_generate_lto_work");

let (lto_modules, copy_jobs) = if !needs_fat_lto.is_empty() {
assert!(needs_thin_lto.is_empty());
Expand Down Expand Up @@ -674,11 +674,11 @@ impl<B: WriteBackendMethods> WorkItem<B> {
}
}

pub fn name(&self) -> String {
fn profiling_event_id(&self) -> &'static str {
match *self {
WorkItem::Optimize(ref m) => format!("optimize: {}", m.name),
WorkItem::CopyPostLtoArtifacts(ref m) => format!("copy post LTO artifacts: {}", m.name),
WorkItem::LTO(ref m) => format!("lto: {}", m.name()),
WorkItem::Optimize(_) => "codegen_module_optimize",
WorkItem::CopyPostLtoArtifacts(_) => "codegen_copy_artifacts_from_incr_cache",
WorkItem::LTO(_) => "codegen_module_perform_lto",
}
}
}
Expand Down Expand Up @@ -1587,7 +1587,7 @@ fn spawn_work<B: ExtraBackendMethods>(
// as a diagnostic was already sent off to the main thread - just
// surface that there was an error in this worker.
bomb.result = {
let _prof_timer = cgcx.prof.generic_activity(&work.name());
let _prof_timer = cgcx.prof.generic_activity(work.profiling_event_id());
execute_work_item(&cgcx, work).ok()
};
});
Expand Down