Noratrieb/elven-forest
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nora 2023-05-17 20:05:53 +02:00
parent 40af8cd09f
commit b4b14d376d
2 changed files with 36 additions and 10 deletions
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17
elven-forest/size-analyze.py Normal file
View file

@ -0,0 +1,17 @@
import pandas as pd
import sys
import plotly.express as px
df = pd.read_csv(sys.argv[1])
#df = df[df['1'] == "rustc_middle[8d82ae2353292c40]"]
print(df)
fig = px.treemap(df, path=[px.Constant("functions"), '1', '2', '3', '4'], values='size',
hover_data=['size'])
fig.update_layout(margin = dict(t=50, l=25, r=25, b=25))
print("finished")
fig.write_image("output.svg")
print("written")

29
elven-forest/src/size.rs
View file

@ -35,7 +35,7 @@ pub fn analyze_text_bloat(elf: ElfReader<'_>, csv: bool) -> Result<()> {
symbol_sizes.sort_by_key(|&(_, size)| size);
symbol_sizes.reverse();
let depth = 3;
let depth = 4;
if csv {
println!(
@ -54,8 +54,8 @@ pub fn analyze_text_bloat(elf: ElfReader<'_>, csv: bool) -> Result<()> {
if csv {
println!("{size},{components}");
} else {
println!("{size} {components}");
}
println!("{size} {components}");
}
Ok(())
@ -69,8 +69,10 @@ fn symbol_components(sym: &str, depth: usize, csv: bool) -> Result<String> {
}
let mut components = if demangled.starts_with('<') {
let qpath = parse_qpath(&demangled).context("invalid qpath")?;
qpath_components(qpath)?
parse_qpath(&demangled)
.context("invalid qpath")
.and_then(|qpath| qpath_components(qpath))
.unwrap_or_else(|_| demangled.split("::").collect::<Vec<_>>())
} else {
// normal path
demangled.split("::").collect::<Vec<_>>()
@ -79,7 +81,7 @@ fn symbol_components(sym: &str, depth: usize, csv: bool) -> Result<String> {
if components.len() >= depth {
components.truncate(depth);
} else {
components.extend(std::iter::repeat("").take(depth - components.len()));
components.extend(std::iter::repeat("_").take(depth - components.len()));
}
let components = components
@ -106,10 +108,17 @@ struct QPath<'a> {
fn qpath_components(qpath: QPath<'_>) -> Result<Vec<&str>> {
if qpath.qself.starts_with('<') {
let sub_qpath = parse_qpath(qpath.qself)?;
let mut sub_components = qpath_components(sub_qpath)?;
sub_components.extend(qpath.pathy_bit.split("::"));
Ok(sub_components)
if let Ok(sub_qpath) = parse_qpath(qpath.qself) {
let mut sub_components = qpath_components(sub_qpath)?;
sub_components.extend(qpath.pathy_bit.split("::"));
Ok(sub_components)
} else {
Ok(qpath
.qself
.split("::")
.chain(qpath.pathy_bit.split("::"))
.collect())
}
} else {
Ok(qpath
.qself
@ -202,7 +211,7 @@ mod tests {
fn path_debug_helper() {
// <<std::path::Components as core::fmt::Debug>::fmt::DebugHelper as core::fmt::Debug>::fmt::h4f87ac80fb33df05
let sym = "_ZN106_$LT$$LT$std..path..Iter$u20$as$u20$core..fmt..Debug$GT$..fmt..DebugHelper$u20$as$u20$core..fmt..Debug$GT$3fmt17h4f87ac80fb33df05E";
let components = symbol_components(sym, 6).unwrap();
let components = symbol_components(sym, 6, true).unwrap();
assert_eq!(components, "std,path,Iter,fmt,DebugHelper,fmt")
}