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83373b1f4e
We need a layer of indirection between the stats collection and their output destinations. Currently, stats are only printed to stdout. Our goal is to integrate with various telemetry systems such as Prometheus, StatsD, and custom metric backends like those used by Meta and Netflix. Importantly, adding a new backend should not require changes to the existing stats code. This patch introduces the `metrics` [1] crate, which provides a framework for defining metrics and publishing them to different backends. The initial implementation includes the `dispatched_tasks_count` metric, tagged with `type`. This metric increments every time a task is dispatched, emitting the raw count instead of a percentage. A monotonic counter is the most suitable metric type for this use case, as percentages can be calculated at query time if needed. Existing logged metrics continue to print percentages and remain unchanged. A new flag, `--enable-prometheus`, has been added. When enabled, it starts a Prometheus endpoint on port 9000 (default is false). This endpoint allows metrics to be charted in Prometheus or Grafana dashboards. Future changes will migrate additional stats to this framework and add support for other backends. [1] https://metrics.rs/ Signed-off-by: Jose Fernandez <josef@netflix.com>
30 lines
988 B
TOML
30 lines
988 B
TOML
[package]
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name = "scx_rusty"
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version = "0.5.7"
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authors = ["Dan Schatzberg <dschatzberg@meta.com>", "Meta"]
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edition = "2021"
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description = "A multi-domain, BPF / user space hybrid scheduler used within sched_ext, which is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them. https://github.com/sched-ext/scx/tree/main"
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license = "GPL-2.0-only"
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[dependencies]
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anyhow = "1.0.65"
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clap = { version = "4.1", features = ["derive", "env", "unicode", "wrap_help"] }
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ctrlc = { version = "3.1", features = ["termination"] }
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fb_procfs = "0.7.0"
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libbpf-rs = "0.23"
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libc = "0.2.137"
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log = "0.4.17"
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ordered-float = "3.4.0"
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scx_utils = { path = "../../../rust/scx_utils", version = "0.8.1" }
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simplelog = "0.12.0"
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sorted-vec = "0.8.3"
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static_assertions = "1.1.0"
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metrics = "0.23.0"
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metrics-exporter-prometheus = "0.15.0"
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[build-dependencies]
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scx_utils = { path = "../../../rust/scx_utils", version = "0.8.1" }
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[features]
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enable_backtrace = []
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