* Add procmon plugin with live process panel New Noctalia plugin: bar widget shows CPU/RAM usage and process count; floating panel has a sortable, searchable process table with per-process kill. Background service samples ps and /proc stats and publishes via plugin state. * Throttle data-driven panel renders Rebuild table at most every 500ms to stay within the panel update CPU budget. User interactions still render immediately; only state watches and the tick go through maybeRender(). * Update procmon deps and fix timestamp precision Document head, grep, and cat as required commands. Correct refresh interval default to 1000 ms. Sample refreshedAtMs in milliseconds. * Add keyboard navigation and reduce CPU sampling - Panel: arrow keys move cursor, Ctrl+D kills selected, Ctrl+F focuses filter - Service: sample /proc stats every 1s, ps every 2s; 2s render floor - Widget: handle vertical bars, truncate text, use valid theme color - Bump version to 0.4.0, plugin_api 13
61 lines
3.0 KiB
Markdown
61 lines
3.0 KiB
Markdown
# Process Monitor
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A bottom-style process monitor for Noctalia: live CPU/RAM/swap bars and a
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sortable, searchable process table with a per-process kill action, all in a
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panel. Great for spotting a runaway process or a zombie and killing it without
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opening a terminal.
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## Plugin
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| Field | Value |
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| ------- | -------------------------------------------------------- |
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| ID | `weinguyen/procmon` |
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| Entries | Bar widget: `widget`; panel: `panel`; service: `service` |
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## Requirements
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Install `ps`, `kill`, `head`, `grep` and `cat` on `PATH` (all are present on
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virtually every Linux distribution).
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## Usage
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Add the **Process Monitor** widget to a bar. It shows the current CPU and RAM
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usage (plus the process count). Click the widget to toggle the process panel:
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```sh
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noctalia msg panel-toggle weinguyen/procmon:panel
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```
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The panel shows CPU, RAM and swap bars with the 1/5/15-minute load averages,
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then a process table. Sort by the column dropdown (PID, CPU%, MEM%, RSS,
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COMMAND) and flip asc/desc with the arrow button. Type in the filter box to
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match a process by name, user or PID. Click the ✕ button on a row to run the
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configured kill command against that PID (default `kill -TERM`). Zombie
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processes are tinted with the error color so they stand out.
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The table refreshes on the interval set in the `refresh_interval` setting. The
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panel re-renders automatically as new samples arrive, so the view stays live
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while it is open.
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## Settings
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| Setting | Type | Default | Description |
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| ------------------ | -------- | ------------ | ------------------------------------------------------------------------------------------ |
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| `refresh_interval` | `int` | `1000` | Process resample interval in milliseconds. (default 1000) |
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| `sort_by` | `select` | `cpu` | Initial sort column when the panel opens (`cpu`, `mem`, `pid`, `cmd`). |
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| `kill_command` | `string` | `kill -TERM` | Command run against a selected PID; the PID is appended. Empty falls back to `kill -TERM`. |
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| `show_count` | `bool` | `true` | Bar widget also shows the total process count. |
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## Notes
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- **Spawns processes.** A background service runs `ps` every 2nd refresh
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interval (the process table changes slowly) and reads `/proc` stats every
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interval; `runAsync` runs the configured `kill_command` when a row's ✕ is
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clicked. There is no confirmation dialog, so check the PID before clicking.
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- The bar widget only renders data the service publishes; it never runs
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commands. The panel runs the configured `kill_command` when a row's ✕ is
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clicked.
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- Requires `plugin_api = 13`. CPU%, RAM%, swap and the 1/5/15-minute load
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averages are sampled from `/proc` (`/proc/stat`, `/proc/meminfo`,
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`/proc/loadavg`) by the service, so they work with no separate system-monitor
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dependency.
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