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Refactored page pointer index calculation.

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This commit is contained in:
Filipe Rodrigues 2023-06-06 03:50:45 +01:00
parent e79000c301
commit d6894dc35a
1 changed files with 20 additions and 23 deletions
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43
ftmemsim-graphs/src/main.rs
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@ -52,17 +52,7 @@ fn draw_page_migrations(cmd_args: &args::PageMigrations) -> Result<(), anyhow::E
.with_context(|| format!("Unable to read data file: {:?}", cmd_args.input_file))?;
// Then index the page pointers.
// Note: We do this because the page pointers are very far away, value-wise, which
// causes them to display far away in the graph. Since the actual values of the
// pages don't matter to us, we just index them by order of appearance.
let page_ptr_idxs = data
.hemem
.page_migrations
.migrations
.iter()
.enumerate()
.map(|(idx, (page_ptr, _))| (page_ptr, idx))
.collect::<std::collections::HashMap<_, _>>();
let page_ptr_idxs = self::page_ptr_idxs(&data);
// Then calculate the min/max time so we can normalize it to 0..1.
// Note: We do this because the time values themselves don't matter, only
@ -339,18 +329,7 @@ fn draw_page_temperature_density(cmd_args: args::PageTemperatureDensity) -> Resu
.unwrap_or((0, 1));
// Then index the page pointers.
// Note: We do this because the page pointers are very far away, value-wise, which
// causes them to display far away in the graph. Since the actual values of the
// pages don't matter to us, we just index them by order of appearance.
let page_ptr_idxs = data
.hemem
.page_migrations
.migrations
.iter()
.enumerate()
.map(|(idx, (page_ptr, _))| (page_ptr, idx))
.collect::<std::collections::BTreeMap<_, _>>();
let page_ptr_idxs = self::page_ptr_idxs(&data);
// Get all the points
let mut cur_temps = HashMap::<u64, f64>::new();
@ -515,3 +494,21 @@ fn save_plot(output_file: &Path, fg: &mut gnuplot::Figure, width_px: u32, height
Ok(())
}
/// Indexes all the page pointers in `data`.
///
///
/// We do this because the page pointers are very far away, value-wise, which
/// causes them to display far away in the graph. Since the actual values of the
/// pages don't matter to us, we just index, ordering by the page pointer value.
fn page_ptr_idxs(data: &ftmemsim::data::Data) -> BTreeMap<u64, usize> {
// Note: We use `migrations` since each page is guaranteed to have at least 1 migration,
// the allocation.
data.hemem
.page_migrations
.migrations
.iter()
.enumerate()
.map(|(idx, (&page_ptr, _))| (page_ptr, idx))
.collect::<BTreeMap<_, _>>()
}