Add per-task metrics#56320

Merged

kpamnany merged 56 commits intoJuliaLang:masterfrom

RelationalAI:npr-pv-cpu-task-timer

Dec 6, 2024

Commits on Dec 4, 2024

basic task cpu time tracking

vilterp
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kpamnany
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initialize to zero

vilterp
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kpamnany
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make new task field visible from Julia

vilterp
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kpamnany
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add start time

vilterp
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kpamnany
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fix typo

vilterp
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kpamnany
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add test

vilterp
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kpamnany
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add a wait

vilterp
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kpamnany
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import `LinearAlgebra` for `peakflops`

vilterp
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kpamnany
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update last scheduled on task finish as well

vilterp
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kpamnany
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no need to update last scheduled in finish

vilterp
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kpamnany
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add test

vilterp
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kpamnany
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fix test

vilterp
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kpamnany
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Add per-task wall-time

nickrobinson251
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kpamnany
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Test individual task cpu_time less than wall_time

nickrobinson251
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kpamnany
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More tests

nickrobinson251
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kpamnany
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Move task timings mostly to julia

nickrobinson251
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kpamnany
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Record cpu time on entrance to `wait/yield`

nickrobinson251
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kpamnany
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Rename 'scheduled_at' -> '[en/de]queued_at'

nickrobinson251
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kpamnany
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Ability to enable/disable task timings globally

nickrobinson251
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kpamnany
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fixup whitespace

nickrobinson251
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kpamnany
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Enable task timing in test

nickrobinson251
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kpamnany
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Enable task timing for root task

nickrobinson251
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kpamnany
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Prevent `task_timing(false)` decrementing below zero

nickrobinson251
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kpamnany
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Change task-timing flag to require yes/no arg

nickrobinson251
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kpamnany
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Rename `timings`->`metrics`, `dequeued`->`started_running`

nickrobinson251
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kpamnany
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Update task-state-transition comments

nickrobinson251
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kpamnany
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Remove unused debug function

nickrobinson251
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kpamnany
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Add NEWS

nickrobinson251
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kpamnany
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Add fallback recording of cpu time in `wait()`

nickrobinson251
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kpamnany
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Instrument async io

nickrobinson251
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kpamnany
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Record task cpu time in `wait()`

nickrobinson251
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kpamnany
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fixup! Record task cpu time in `wait()`

nickrobinson251
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kpamnany
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fixup! Change task-timing flag to require yes/no arg

nickrobinson251
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kpamnany
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Make task metrics flag const and counters atomic

nickrobinson251
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kpamnany
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Mark the new APIs experimental

nickrobinson251
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kpamnany
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Return task metrics as Int or nothing if disabled

nickrobinson251
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kpamnany
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Test metrics updating as expected

nickrobinson251
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kpamnany
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fixup! Make task metrics flag const and counters atomic

nickrobinson251
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kpamnany
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More tests

nickrobinson251
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kpamnany
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Update test/core.jl

nickrobinson251
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kpamnany
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Introduce `current_task_*_time_ns` for non-racy continuous metrics

nickrobinson251
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kpamnany
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Consolidate names again

nickrobinson251
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kpamnany
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Update CPU time on finish before setting task done

nickrobinson251
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kpamnany
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Remove TODO comment

nickrobinson251
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kpamnany
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Add new functions to docs

nickrobinson251
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kpamnany
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fixup! Add new functions to docs

nickrobinson251
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kpamnany
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Return `UInt64` instead of `Int`
kpamnany
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Always return a `UInt64` type (even when returning 0)
kpamnany
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Convert task timestamps to UInt32 delta-times since system boot.

NHDaly
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kpamnany
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Update base/task.jl

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kpamnany
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Revert "Convert task timestamps to UInt32 delta-times since system boot."

NHDaly
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kpamnany
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Try adding `alignas(8)` to force correct alignment and work around GCC bug

NHDaly
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kpamnany
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Revert "Try adding `alignas(8)` to force correct alignment and work around GCC bug"
kpamnany
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Reorder task structure and add padding
kpamnany
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More changes of `task_cpu_time_ns` to `task_running_time_ns`
kpamnany
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Move calls to `record_running_time!`
kpamnany
committed