diff --git a/Cargo.Bazel.Fuzzing.json.lock b/Cargo.Bazel.Fuzzing.json.lock index 62b92f3b732..489637b102f 100644 --- a/Cargo.Bazel.Fuzzing.json.lock +++ b/Cargo.Bazel.Fuzzing.json.lock @@ -1,5 +1,5 @@ { - "checksum": "e2f0c9fb8047d4200e8e14e235a3d28792aef48b70952cf21a1f849ff9ea495d", + "checksum": "ab1d07a321f087269a6c0ac490adea079290b5f94cb3e3e6d82864eeda646a73", "crates": { "abnf 0.12.0": { "name": "abnf", @@ -18985,6 +18985,10 @@ "id": "maxminddb 0.24.0", "target": "maxminddb" }, + { + "id": "memmap2 0.9.5", + "target": "memmap2" + }, { "id": "metrics-proxy 0.1.0", "target": "metrics_proxy" @@ -40887,6 +40891,56 @@ ], "license_file": "LICENSE-APACHE" }, + "memmap2 0.9.5": { + "name": "memmap2", + "version": "0.9.5", + "package_url": "https://github.com/RazrFalcon/memmap2-rs", + "repository": { + "Http": { + "url": "https://static.crates.io/crates/memmap2/0.9.5/download", + "sha256": "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f" + } + }, + "targets": [ + { + "Library": { + "crate_name": "memmap2", + "crate_root": "src/lib.rs", + "srcs": { + "allow_empty": true, + "include": [ + "**/*.rs" + ] + } + } + } + ], + "library_target_name": "memmap2", + "common_attrs": { + "compile_data_glob": [ + "**" + ], + "deps": { + "common": [], + "selects": { + "cfg(unix)": [ + { + "id": "libc 0.2.158", + "target": "libc" + } + ] + } + }, + "edition": "2018", + "version": "0.9.5" + }, + "license": "MIT OR Apache-2.0", + "license_ids": [ + "Apache-2.0", + "MIT" + ], + "license_file": "LICENSE-APACHE" + }, "memoffset 0.6.5": { "name": "memoffset", "version": "0.6.5", @@ -87537,6 +87591,7 @@ "mach2 0.4.2", "maplit 1.0.2", "maxminddb 0.24.0", + "memmap2 0.9.5", "metrics-proxy 0.1.0", "minicbor 0.19.1", "minicbor-derive 0.13.0", diff --git a/Cargo.Bazel.Fuzzing.toml.lock b/Cargo.Bazel.Fuzzing.toml.lock index 36b66b3cf23..303b31c0cde 100644 --- a/Cargo.Bazel.Fuzzing.toml.lock +++ b/Cargo.Bazel.Fuzzing.toml.lock @@ -1,6 +1,6 @@ # This file is automatically @generated by Cargo. # It is not intended for manual editing. -version = 3 +version = 4 [[package]] name = "abnf" @@ -3133,6 +3133,7 @@ dependencies = [ "mach2", "maplit", "maxminddb", + "memmap2 0.9.5", "metrics-proxy", "minicbor", "minicbor-derive", @@ -6770,6 +6771,15 @@ dependencies = [ "libc", ] +[[package]] +name = "memmap2" +version = "0.9.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f" +dependencies = [ + "libc", +] + [[package]] name = "memoffset" version = "0.6.5" @@ -10831,7 +10841,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fac08504d60cf5bdffeb8a6a028f1a4868a5da1098bb19eb46239440039163fb" dependencies = [ "debugid", - "memmap2", + "memmap2 0.5.10", "stable_deref_trait", "uuid", ] diff --git a/Cargo.Bazel.json.lock b/Cargo.Bazel.json.lock index ae3a6e269f4..b127fa19773 100644 --- a/Cargo.Bazel.json.lock +++ b/Cargo.Bazel.json.lock @@ -1,5 +1,5 @@ { - "checksum": "c940ed0c71e779f38de47e366662d71cd883022d89016936e1952a55719fe089", + "checksum": "9ba433e319b09a7df3aa9a95c2bf4483f6f955fac52a0c8f3d0db6ad8618263c", "crates": { "abnf 0.12.0": { "name": "abnf", @@ -18813,6 +18813,10 @@ "id": "maxminddb 0.24.0", "target": "maxminddb" }, + { + "id": "memmap2 0.9.5", + "target": "memmap2" + }, { "id": "metrics-proxy 0.1.0", "target": "metrics_proxy" @@ -40727,6 +40731,56 @@ ], "license_file": "LICENSE-APACHE" }, + "memmap2 0.9.5": { + "name": "memmap2", + "version": "0.9.5", + "package_url": "https://github.com/RazrFalcon/memmap2-rs", + "repository": { + "Http": { + "url": "https://static.crates.io/crates/memmap2/0.9.5/download", + "sha256": "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f" + } + }, + "targets": [ + { + "Library": { + "crate_name": "memmap2", + "crate_root": "src/lib.rs", + "srcs": { + "allow_empty": true, + "include": [ + "**/*.rs" + ] + } + } + } + ], + "library_target_name": "memmap2", + "common_attrs": { + "compile_data_glob": [ + "**" + ], + "deps": { + "common": [], + "selects": { + "cfg(unix)": [ + { + "id": "libc 0.2.158", + "target": "libc" + } + ] + } + }, + "edition": "2018", + "version": "0.9.5" + }, + "license": "MIT OR Apache-2.0", + "license_ids": [ + "Apache-2.0", + "MIT" + ], + "license_file": "LICENSE-APACHE" + }, "memoffset 0.6.5": { "name": "memoffset", "version": "0.6.5", @@ -87417,6 +87471,7 @@ "mach2 0.4.2", "maplit 1.0.2", "maxminddb 0.24.0", + "memmap2 0.9.5", "metrics-proxy 0.1.0", "minicbor 0.19.1", "minicbor-derive 0.13.0", diff --git a/Cargo.Bazel.toml.lock b/Cargo.Bazel.toml.lock index a81cc6d2d52..2689ce26e68 100644 --- a/Cargo.Bazel.toml.lock +++ b/Cargo.Bazel.toml.lock @@ -1,6 +1,6 @@ # This file is automatically @generated by Cargo. # It is not intended for manual editing. -version = 3 +version = 4 [[package]] name = "abnf" @@ -3122,6 +3122,7 @@ dependencies = [ "mach2", "maplit", "maxminddb", + "memmap2 0.9.5", "metrics-proxy", "minicbor", "minicbor-derive", @@ -6761,6 +6762,15 @@ dependencies = [ "libc", ] +[[package]] +name = "memmap2" +version = "0.9.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f" +dependencies = [ + "libc", +] + [[package]] name = "memoffset" version = "0.6.5" @@ -10827,7 +10837,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9e0e9bc48b3852f36a84f8d0da275d50cb3c2b88b59b9ec35fdd8b7fa239e37d" dependencies = [ "debugid", - "memmap2", + "memmap2 0.5.10", "stable_deref_trait", "uuid", ] diff --git a/Cargo.lock b/Cargo.lock index ebe9e4d3346..da7119ee60b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -15572,8 +15572,10 @@ dependencies = [ "ic-types", "lazy_static", "libc", + "memmap2", "nix 0.24.3", "proptest", + "rayon", "slog", "tempfile", ] diff --git a/Cargo.toml b/Cargo.toml index 2a2cc45c379..834ed7513ef 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -609,6 +609,7 @@ libflate = "2.1.0" libnss = "0.5.0" local-ip-address = "0.5.6" macaddr = "1.0" +memmap2 = "0.9.5" minicbor = { version = "0.19.1", features = ["alloc", "derive"] } minicbor-derive = "0.13.0" mockall = "0.13.0" diff --git a/bazel/external_crates.bzl b/bazel/external_crates.bzl index f25afadc154..a0f8d064df3 100644 --- a/bazel/external_crates.bzl +++ b/bazel/external_crates.bzl @@ -762,6 +762,9 @@ def external_crates_repository(name, cargo_lockfile, lockfile, sanitizers_enable "macaddr": crate.spec( version = "^1.0", ), + "memmap2": crate.spec( + version = "^0.9.5", + ), "mach2": crate.spec( # Wasmtime depends on 0.4.2 but specifies 0.4.1. # Enforce 0.4.2 using a dummy dependency until diff --git a/rs/memory_tracker/BUILD.bazel b/rs/memory_tracker/BUILD.bazel index 8fb051c228d..92774046a1d 100644 --- a/rs/memory_tracker/BUILD.bazel +++ b/rs/memory_tracker/BUILD.bazel @@ -44,3 +44,16 @@ rust_bench( "@crate_index//:criterion", ] + DEPENDENCIES, ) + +rust_bench( + name = "memory_ops_bench", + testonly = True, + srcs = ["benches/memory_ops.rs"], + data = ["benches/test-data/64KiB.txt"], + deps = [ + # Keep sorted. + "@crate_index//:criterion", + "@crate_index//:memmap2", + "@crate_index//:rayon", + ] + DEPENDENCIES, +) diff --git a/rs/memory_tracker/Cargo.toml b/rs/memory_tracker/Cargo.toml index b3db2b8aadc..628fde2ba9a 100644 --- a/rs/memory_tracker/Cargo.toml +++ b/rs/memory_tracker/Cargo.toml @@ -1,10 +1,10 @@ [package] -name = "memory_tracker" -version.workspace = true authors.workspace = true -edition.workspace = true description.workspace = true documentation.workspace = true +edition.workspace = true +name = "memory_tracker" +version.workspace = true # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html @@ -25,9 +25,15 @@ sigsegv_handler_checksum = [] [dev-dependencies] criterion = { workspace = true } ic-types = { path = "../types/types" } +memmap2 = { workspace = true } proptest = { workspace = true } +rayon = { workspace = true } tempfile = { workspace = true } [[bench]] +harness = false name = "traps" + +[[bench]] harness = false +name = "memory_ops" diff --git a/rs/memory_tracker/benches/memory_ops.rs b/rs/memory_tracker/benches/memory_ops.rs new file mode 100644 index 00000000000..8c5fbc85ee5 --- /dev/null +++ b/rs/memory_tracker/benches/memory_ops.rs @@ -0,0 +1,155 @@ +use std::{fs::File, os::unix::fs::FileExt}; + +use criterion::{criterion_group, criterion_main, Criterion, Throughput}; +use memmap2::MmapOptions; +use rayon::prelude::*; + +const DATA: &str = "rs/memory_tracker/benches/test-data/64KiB.txt"; +const OPS: [usize; 1] = [100]; +const THREADS: [usize; 4] = [1, 2, 4, 8]; + +fn mmap(file: &File) { + // Calls `mmap` with `PROT_READ` and `MAP_PRIVATE`. + let _mm = unsafe { MmapOptions::new().map_copy_read_only(file).unwrap() }; +} + +fn mmap_mprotect(file: &File) { + // Calls `mmap` with `PROT_READ` and `MAP_PRIVATE`. + let mm = unsafe { MmapOptions::new().map_copy_read_only(file).unwrap() }; + // Calls `mprotect` with `PROT_READ | PROT_WRITE`. + let _mm = mm.make_mut().unwrap(); +} + +fn mmap_mprotect_read(file: &File) { + // Calls `mmap` with `PROT_READ` and `MAP_PRIVATE`. + let mm = unsafe { MmapOptions::new().map_copy_read_only(file).unwrap() }; + // Calls `mprotect` with `PROT_READ | PROT_WRITE`. + let mm = mm.make_mut().unwrap(); + // Reads 64 KiB. + for i in 0..64 / 4 { + let _b = std::hint::black_box(mm[4096 * i]); + } +} + +fn mmap_mprotect_write(file: &File) { + // Calls `mmap` with `PROT_READ` and `MAP_PRIVATE`. + let mm = unsafe { MmapOptions::new().map_copy_read_only(file).unwrap() }; + // Calls `mprotect` with `PROT_READ | PROT_WRITE`. + let mut mm = mm.make_mut().unwrap(); + // Makes 64 KiB copies on write. + for i in 0..64 / 4 { + mm[4096 * i] = 42; + } +} + +fn mmap_mprotect_read_write(file: &File) { + // Calls `mmap` with `PROT_READ` and `MAP_PRIVATE`. + let mm = unsafe { MmapOptions::new().map_copy_read_only(file).unwrap() }; + // Calls `mprotect` with `PROT_READ | PROT_WRITE`. + let mut mm = mm.make_mut().unwrap(); + // Reads then makes 64 KiB copies on write. + for i in 0..64 / 4 { + mm[4096 * i] = mm[1 + 4096 * i]; + } +} + +fn mmap_read_write(file: &File) { + // Calls `mmap` with `PROT_READ | PROT_WRITE` and `MAP_PRIVATE`. + let mut mm = unsafe { MmapOptions::new().map_copy(file).unwrap() }; + // Reads then makes 64 KiB copies on write. + for i in 0..64 / 4 { + mm[4096 * i] = mm[1 + 4096 * i]; + } +} + +fn file_read_write(file: &File) { + const PAGE_SIZE: usize = 64 * 1024; + let mut buf = [0u8; PAGE_SIZE]; + file.read_exact_at(&mut buf, 0).unwrap(); + for i in 0..64 / 4 { + buf[4096 * i] = buf[1 + 4096 * i]; + } +} + +fn bench(c: &mut Criterion, group_name: &str, routine: fn(&File)) { + let mut group = c.benchmark_group(group_name); + + let file = File::open(DATA).unwrap(); + + for ops in OPS { + let input = vec![&file; ops]; + + group.throughput(Throughput::Elements(ops as u64)); + + group.bench_with_input(format!("iter/ops:{ops}"), &input, |b, i| { + b.iter(|| { + i.iter().for_each(|f| { + routine(f); + }) + }) + }); + + for threads in THREADS { + let pool = rayon::ThreadPoolBuilder::new() + .num_threads(threads) + .build() + .unwrap(); + + group.bench_with_input( + format!("par_iter/threads:{threads}/ops:{ops}"), + &input, + |b, i| { + b.iter(|| { + pool.install(|| { + i.par_iter().for_each(|f| { + routine(f); + }) + }) + }) + }, + ); + } + } + + group.finish(); +} + +fn mmap_bench(c: &mut Criterion) { + bench(c, "mmap", mmap); +} + +fn mmap_mprotect_bench(c: &mut Criterion) { + bench(c, "mmap_mprotect", mmap_mprotect); +} + +fn mmap_mprotect_read_bench(c: &mut Criterion) { + bench(c, "mmap_mprotect_read", mmap_mprotect_read); +} + +fn mmap_mprotect_write_bench(c: &mut Criterion) { + bench(c, "mmap_mprotect_write", mmap_mprotect_write); +} + +fn mmap_mprotect_read_write_bench(c: &mut Criterion) { + bench(c, "mmap_mprotect_read_write", mmap_mprotect_read_write); +} + +fn mmap_read_write_bench(c: &mut Criterion) { + bench(c, "mmap_read_write", mmap_read_write); +} + +fn file_read_write_bench(c: &mut Criterion) { + bench(c, "file_read_write", file_read_write); +} + +criterion_group!( + benches, + mmap_bench, + mmap_mprotect_bench, + mmap_mprotect_read_bench, + mmap_mprotect_write_bench, + mmap_mprotect_read_write_bench, + mmap_read_write_bench, + file_read_write_bench, +); +criterion_main!(benches); diff --git a/rs/memory_tracker/benches/test-data/64KiB.txt b/rs/memory_tracker/benches/test-data/64KiB.txt new file mode 100644 index 00000000000..6ce859af5c3 --- /dev/null +++ b/rs/memory_tracker/benches/test-data/64KiB.txt @@ -0,0 +1,64 @@ 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