chore(deps): update jemallocator 0.5 to tikv-jemallocator 0.6 (#4012)

tikv-jemallocator supersedes jemallocator. To enable jemalloc profiling, this change updates the dependency and adds a `jemalloc-profiling` feature so that profiling can be enabled at build time.

Author: olix0r

Cargo.lock

@@ -1312,26 +1312,6 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
-[[package]]
-name = "jemalloc-sys"
-version = "0.5.4+5.3.0-patched"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac6c1946e1cea1788cbfde01c993b52a10e2da07f4bac608228d1bed20bfebf2"
-dependencies = [
- "cc",
- "libc",
-]
-
-[[package]]
-name = "jemallocator"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0de374a9f8e63150e6f5e8a60cc14c668226d7a347d8aee1a45766e3c4dd3bc"
-dependencies = [
- "jemalloc-sys",
- "libc",
-]
-
 [[package]]
 name = "jiff"
 version = "0.2.15"
@@ -1450,7 +1430,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07033963ba89ebaf1584d767badaa2e8fcec21aedea6b8c0346d487d49c28667"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -2862,13 +2842,13 @@ name = "linkerd2-proxy"
 version = "0.1.0"
 dependencies = [
  "futures",
- "jemallocator",
  "kubert-prometheus-tokio",
  "linkerd-app",
  "linkerd-meshtls",
  "linkerd-metrics",
  "linkerd-signal",
  "num_cpus",
+ "tikv-jemallocator",
  "tokio",
  "tracing",
 ]
@@ -4099,6 +4079,26 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "tikv-jemalloc-sys"
+version = "0.6.0+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd3c60906412afa9c2b5b5a48ca6a5abe5736aec9eb48ad05037a677e52e4e2d"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
+name = "tikv-jemallocator"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cec5ff18518d81584f477e9bfdf957f5bb0979b0bac3af4ca30b5b3ae2d2865"
+dependencies = [
+ "libc",
+ "tikv-jemalloc-sys",
+]
+
 [[package]]
 name = "time"
 version = "0.3.41"

linkerd2-proxy/Cargo.toml

@@ -16,6 +16,11 @@ meshtls-rustls-aws-lc-fips = ["linkerd-meshtls/rustls-aws-lc-fips"]
 meshtls-rustls-ring = ["linkerd-meshtls/rustls-ring"]
 log-streaming = ["linkerd-app/log-streaming"]
 pprof = ["linkerd-app/pprof"]
+# From https://github.com/polarsignals/rust-jemalloc-pprof/blob/bcf1ad7f7ad3ec8e71098f4d5a9ce55905c7a602/README.md#usage
+jemalloc-profiling = [
+    "tikv-jemallocator/profiling",
+    "tikv-jemallocator/unprefixed_malloc_on_supported_platforms",
+]
 
 [dependencies]
 futures = { version = "0.3", default-features = false }
@@ -31,7 +36,7 @@ tokio = { version = "1", features = ["rt", "rt-multi-thread", "time", "net"] }
 tracing = { workspace = true }
 
 [target.x86_64-unknown-linux-gnu.dependencies]
-jemallocator = { version = "0.5" }
+tikv-jemallocator = "0.6"
 
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }

linkerd2-proxy/src/main.rs

@@ -23,7 +23,7 @@ use tracing::{debug, info, warn};
 
 #[cfg(all(target_os = "linux", target_arch = "x86_64", target_env = "gnu"))]
 #[global_allocator]
-static GLOBAL: jemallocator::Jemalloc = jemallocator::Jemalloc;
+static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 
 mod rt;