Fix metadata stats. #97384
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Fix metadata stats. #97384
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This commit:
- Counts some things that weren't being counted previously, and adds
an assertion that ensure everything is counted.
- Reorders things so the `eprintln`s order matches the code order.
- Adds percentages, and makes clear that the zero bytes count is orthogonal to
the other measurements.
Example of the new output:
```
55463779 metadata bytes, of which 18054531 bytes (32.6%) are zero
preamble: 30 bytes ( 0.0%)
dep: 0 bytes ( 0.0%)
lib feature: 17458 bytes ( 0.0%)
lang item: 337 bytes ( 0.0%)
diagnostic item: 1788 bytes ( 0.0%)
native lib: 0 bytes ( 0.0%)
foreign modules: 5113 bytes ( 0.0%)
def-path table: 720180 bytes ( 1.3%)
traits: 359 bytes ( 0.0%)
impls: 64624 bytes ( 0.1%)
incoherent_impls: 130 bytes ( 0.0%)
mir: 16137354 bytes (29.1%)
item: 23773099 bytes (42.9%)
interpret_alloc_index: 599 bytes ( 0.0%)
proc-macro-data: 0 bytes ( 0.0%)
tables: 10081135 bytes (18.2%)
debugger visualizers: 0 bytes ( 0.0%)
exported symbols: 5666 bytes ( 0.0%)
hygiene: 1539390 bytes ( 2.8%)
def-path hashes: 2752564 bytes ( 5.0%)
source_map: 363540 bytes ( 0.7%)
final: 413 bytes ( 0.0%)
```
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May 25, 2022
Rollup of 5 pull requests Successful merges: - rust-lang#95953 (Modify MIR building to drop repeat expressions with length zero) - rust-lang#96913 (RFC3239: Implement `cfg(target)` - Part 2) - rust-lang#97233 ([RFC 2011] Library code) - rust-lang#97370 (Minor improvement on else-no-if diagnostic) - rust-lang#97384 (Fix metadata stats.) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Sep 21, 2022
…bjorn3 Improve `-Zmeta-stats` some more A follow-up to rust-lang#97384. r? `@bjorn3`
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…bjorn3 Improve `-Zmeta-stats` some more A follow-up to rust-lang#97384. r? ``@bjorn3``
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…bjorn3 Improve `-Zmeta-stats` some more A follow-up to rust-lang#97384. r? ```@bjorn3```
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This commit:
an assertion that ensure everything is counted.
eprintlns order matches the code order.the other measurements.
Example of the new output:
r? @bjorn3