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| author | Alan Wu <XrXr@users.noreply.github.com> | 2023-10-18 19:46:35 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-10-18 23:46:35 +0000 |
| commit | d2b0c9da2e0148c8c12ca58e21c482c1e66c2358 (patch) | |
| tree | 7f0ae18acae1a6d389b449498175cdf82bd66e20 /yjit | |
| parent | 0ac6fb225d15cbcd35b8122b151a17eaa92fafaf (diff) | |
| download | ruby-d2b0c9da2e0148c8c12ca58e21c482c1e66c2358.tar.gz | |
YJIT: Add a live ISeq counter
It's an estimator for application size and could be used as a
compilation heuristic later.
Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
Diffstat (limited to 'yjit')
| -rw-r--r-- | yjit/src/stats.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/yjit/src/stats.rs b/yjit/src/stats.rs index 7d44b388cd..d35cdc22a4 100644 --- a/yjit/src/stats.rs +++ b/yjit/src/stats.rs @@ -14,6 +14,10 @@ use crate::cruby::*; use crate::options::*; use crate::yjit::yjit_enabled_p; +/// A running total of how many ISeqs are in the system. +#[no_mangle] +pub static mut rb_yjit_live_iseq_count: u64 = 0; + /// A middleware to count Rust-allocated bytes as yjit_alloc_size. #[global_allocator] static GLOBAL_ALLOCATOR: StatsAlloc = StatsAlloc { alloc_size: AtomicUsize::new(0) }; @@ -635,6 +639,8 @@ fn rb_yjit_gen_stats_dict(context: bool) -> VALUE { // VM instructions count hash_aset_usize!(hash, "vm_insns_count", rb_vm_insns_count as usize); + + hash_aset_usize!(hash, "live_iseq_count", rb_yjit_live_iseq_count as usize); } // If we're not generating stats, put only default counters |