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Measure the stylist during memory reporting.

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Nicholas Nethercote 2017-09-05 15:11:18 +10:00 • committed by Emilio Cobos Álvarez
parent f648e12935
commit d880efcab3
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14 changed files with 356 additions and 28 deletions
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27
components/style/invalidation/element/invalidation_map.rs
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@ -14,6 +14,8 @@ use selectors::parser::{Combinator, Component};
use selectors::parser::{Selector, SelectorIter, SelectorMethods};
use selectors::visitor::SelectorVisitor;
use smallvec::SmallVec;
#[cfg(feature = "gecko")]
use stylesheets::{MallocEnclosingSizeOfFn, MallocSizeOfHash};
#[cfg(feature = "gecko")]
/// Gets the element state relevant to the given `:dir` pseudo-class selector.
@ -287,6 +289,31 @@ impl InvalidationMap {
index += 1; // Account for the combinator.
}
}
/// Measures heap usage.
#[cfg(feature = "gecko")]
pub fn malloc_size_of_children(&self, malloc_enclosing_size_of: MallocEnclosingSizeOfFn)
-> usize {
// Currently we measure the HashMap storage, but not things pointed to
// by keys and values.
let mut n = 0;
n += self.class_to_selector.malloc_shallow_size_of_hash(malloc_enclosing_size_of);
for (_, val) in self.class_to_selector.iter() {
n += val.malloc_size_of_children(malloc_enclosing_size_of);
}
n += self.id_to_selector.malloc_shallow_size_of_hash(malloc_enclosing_size_of);
for (_, val) in self.id_to_selector.iter() {
n += val.malloc_size_of_children(malloc_enclosing_size_of);
}
n += self.state_affecting_selectors.malloc_size_of_children(malloc_enclosing_size_of);
n += self.other_attribute_affecting_selectors.malloc_size_of_children(
malloc_enclosing_size_of);
n
}
}
/// A struct that collects invalidations for a given compound selector.