runtime: export metrics about the blocking thread pool #5161
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Nov 3, 2022
tokio/src/runtime/blocking/pool.rs
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| @@ -165,7 +202,6 @@ impl BlockingPool { | |||
| inner: Arc::new(Inner { | |||
| shared: Mutex::new(Shared { | |||
| queue: VecDeque::new(), | |||
| num_th: 0, | |||
| num_idle: 0, | |||
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Maybe it's also worth it to export this one?
duarten
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Darksonn
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Noah-Kennedy
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Nov 3, 2022
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Added the idle count here: d2ba276 |
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Not sure why |
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@duarten the other PR just merged, so I've taken the liberty of updating this branch with the latest from master. |
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Waiting for a second approval to merge. |
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Awesome job everyone. |
crapStone
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Nov 22, 2022
This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [tokio](https://tokio.rs) ([source](https://github.com/tokio-rs/tokio)) | dependencies | minor | `1.21.2` -> `1.22.0` | | [tokio](https://tokio.rs) ([source](https://github.com/tokio-rs/tokio)) | dev-dependencies | minor | `1.21.2` -> `1.22.0` | --- ### Release Notes <details> <summary>tokio-rs/tokio</summary> ### [`v1.22.0`](https://github.com/tokio-rs/tokio/releases/tag/tokio-1.22.0): Tokio v1.22.0 [Compare Source](tokio-rs/tokio@tokio-1.21.2...tokio-1.22.0) ##### Added - runtime: add `Handle::runtime_flavor` ([#​5138]) - sync: add `Mutex::blocking_lock_owned` ([#​5130]) - sync: add `Semaphore::MAX_PERMITS` ([#​5144]) - sync: add `merge()` to semaphore permits ([#​4948]) - sync: add `mpsc::WeakUnboundedSender` ([#​5189]) ##### Added (unstable) - process: add `Command::process_group` ([#​5114]) - runtime: export metrics about the blocking thread pool ([#​5161]) - task: add `task::id()` and `task::try_id()` ([#​5171]) ##### Fixed - macros: don't take ownership of futures in macros ([#​5087]) - runtime: fix Stacked Borrows violation in `LocalOwnedTasks` ([#​5099]) - runtime: mitigate ABA with 32-bit queue indices when possible ([#​5042]) - task: wake local tasks to the local queue when woken by the same thread ([#​5095]) - time: panic in release mode when `mark_pending` called illegally ([#​5093]) - runtime: fix typo in expect message ([#​5169]) - runtime: fix `unsync_load` on atomic types ([#​5175]) - task: elaborate safety comments in task deallocation ([#​5172]) - runtime: fix `LocalSet` drop in thread local ([#​5179]) - net: remove libc type leakage in a public API ([#​5191]) - runtime: update the alignment of `CachePadded` ([#​5106]) ##### Changed - io: make `tokio::io::copy` continue filling the buffer when writer stalls ([#​5066]) - runtime: remove `coop::budget` from `LocalSet::run_until` ([#​5155]) - sync: make `Notify` panic safe ([#​5154]) ##### Documented - io: fix doc for `write_i8` to use signed integers ([#​5040]) - net: fix doc typos for TCP and UDP `set_tos` methods ([#​5073]) - net: fix function name in `UdpSocket::recv` documentation ([#​5150]) - sync: typo in `TryLockError` for `RwLock::try_write` ([#​5160]) - task: document that spawned tasks execute immediately ([#​5117]) - time: document return type of `timeout` ([#​5118]) - time: document that `timeout` checks only before poll ([#​5126]) - sync: specify return type of `oneshot::Receiver` in docs ([#​5198]) ##### Internal changes - runtime: use const `Mutex::new` for globals ([#​5061]) - runtime: remove `Option` around `mio::Events` in io driver ([#​5078]) - runtime: remove a conditional compilation clause ([#​5104]) - runtime: remove a reference to internal time handle ([#​5107]) - runtime: misc time driver cleanup ([#​5120]) - runtime: move signal driver to runtime module ([#​5121]) - runtime: signal driver now uses I/O driver directly ([#​5125]) - runtime: start decoupling I/O driver and I/O handle ([#​5127]) - runtime: switch `io::handle` refs with scheduler:Handle ([#​5128]) - runtime: remove Arc from I/O driver ([#​5134]) - runtime: use signal driver handle via `scheduler::Handle` ([#​5135]) - runtime: move internal clock fns out of context ([#​5139]) - runtime: remove `runtime::context` module ([#​5140]) - runtime: keep driver cfgs in `driver.rs` ([#​5141]) - runtime: add `runtime::context` to unify thread-locals ([#​5143]) - runtime: rename some confusing internal variables/fns ([#​5151]) - runtime: move `coop` mod into `runtime` ([#​5152]) - runtime: move budget state to context thread-local ([#​5157]) - runtime: move park logic into runtime module ([#​5158]) - runtime: move `Runtime` into its own file ([#​5159]) - runtime: unify entering a runtime with `Handle::enter` ([#​5163]) - runtime: remove handle reference from each scheduler ([#​5166]) - runtime: move `enter` into `context` ([#​5167]) - runtime: combine context and entered thread-locals ([#​5168]) - runtime: fix accidental unsetting of current handle ([#​5178]) - runtime: move `CoreStage` methods to `Core` ([#​5182]) - sync: name mpsc semaphore types ([#​5146]) [#​4948]: tokio-rs/tokio#4948 [#​5040]: tokio-rs/tokio#5040 [#​5042]: tokio-rs/tokio#5042 [#​5061]: tokio-rs/tokio#5061 [#​5066]: tokio-rs/tokio#5066 [#​5073]: tokio-rs/tokio#5073 [#​5078]: tokio-rs/tokio#5078 [#​5087]: tokio-rs/tokio#5087 [#​5093]: tokio-rs/tokio#5093 [#​5095]: tokio-rs/tokio#5095 [#​5099]: tokio-rs/tokio#5099 [#​5104]: tokio-rs/tokio#5104 [#​5106]: tokio-rs/tokio#5106 [#​5107]: tokio-rs/tokio#5107 [#​5114]: tokio-rs/tokio#5114 [#​5117]: tokio-rs/tokio#5117 [#​5118]: tokio-rs/tokio#5118 [#​5120]: tokio-rs/tokio#5120 [#​5121]: tokio-rs/tokio#5121 [#​5125]: tokio-rs/tokio#5125 [#​5126]: tokio-rs/tokio#5126 [#​5127]: tokio-rs/tokio#5127 [#​5128]: tokio-rs/tokio#5128 [#​5130]: tokio-rs/tokio#5130 [#​5134]: tokio-rs/tokio#5134 [#​5135]: tokio-rs/tokio#5135 [#​5138]: tokio-rs/tokio#5138 [#​5138]: tokio-rs/tokio#5138 [#​5139]: tokio-rs/tokio#5139 [#​5140]: tokio-rs/tokio#5140 [#​5141]: tokio-rs/tokio#5141 [#​5143]: tokio-rs/tokio#5143 [#​5144]: tokio-rs/tokio#5144 [#​5144]: tokio-rs/tokio#5144 [#​5146]: tokio-rs/tokio#5146 [#​5150]: tokio-rs/tokio#5150 [#​5151]: tokio-rs/tokio#5151 [#​5152]: tokio-rs/tokio#5152 [#​5154]: tokio-rs/tokio#5154 [#​5155]: tokio-rs/tokio#5155 [#​5157]: tokio-rs/tokio#5157 [#​5158]: tokio-rs/tokio#5158 [#​5159]: tokio-rs/tokio#5159 [#​5160]: tokio-rs/tokio#5160 [#​5161]: tokio-rs/tokio#5161 [#​5163]: tokio-rs/tokio#5163 [#​5166]: tokio-rs/tokio#5166 [#​5167]: tokio-rs/tokio#5167 [#​5168]: tokio-rs/tokio#5168 [#​5169]: tokio-rs/tokio#5169 [#​5171]: tokio-rs/tokio#5171 [#​5172]: tokio-rs/tokio#5172 [#​5175]: tokio-rs/tokio#5175 [#​5178]: tokio-rs/tokio#5178 [#​5179]: tokio-rs/tokio#5179 [#​5182]: tokio-rs/tokio#5182 [#​5189]: tokio-rs/tokio#5189 [#​5191]: tokio-rs/tokio#5191 [#​5198]: tokio-rs/tokio#5198 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about these updates again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4yNy4xIiwidXBkYXRlZEluVmVyIjoiMzQuMjkuMiJ9--> Co-authored-by: cabr2-bot <cabr2.help@gmail.com> Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1651 Reviewed-by: crapStone <crapstone@noreply.codeberg.org> Co-authored-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org> Co-committed-by: Calciumdibromid Bot <cabr2_bot@noreply.codeberg.org>
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Motivation
Add metrics about the blocking thread pool.
Solution
Publish the metrics as thread-safe values, written under the blocking thread
pool's lock and able to be read in a lock-free fashion by any reader.
Fixes #5156