Temporada 4 · Autopsia de los Gigantes · JVV-T4-06

CPU-grit micropolitics: thread scheduling as a digital panopticon

I Silicon watches and punishes

In Foucault's enlightened prison, bodies were disciplined with bells, timetables, straight corridors.
In 2026, the cell is a CPU scheduler: it decides which process gets 5 ns of glory and which it condemns to the limbo of sleep.
Every tick is a guard asking “do you deserve to live?” —and the answer is dictated by a CFS algorithm, a military real-time kernel or an AI that adjusts priorities according to your wallet.

“Obedience does not beat in the heart: it beats in the CR3 register.”

II Anatomy of the silicon panopticon

Stratum	Disciplinary device	Desired conduct	Implicit punishment
Level 0: Task queue	Dynamic priority (`nice`, VRUNTIME)	“Interactive” processes (UI)	Starvation for batch compute
Level 1: cgroups	CPU/mem quotas ≈ social classes	Containment of free apps	Throttle 90 % if it overruns
Level 2: SELinux domains	Syscall access rule	Good sys behaviour	Sigkill with no warning
Level 3: Hypervisor credit	The premium VM gets the burst	“Spot” cloud payment	Eviction in microseconds

(Replace “process” with “digital citizen” and the panopticon comes back to life).

III Equation of thread obedience

O = \frac{P \times I}{W + D}

P: assigned priority
I: “interactivity” (no. of UI syscalls / s)
W: accumulated wait time
D: past CPU debt

If O < 1 → the thread loses its quantum, its context is stored away (oblivion);
O ≥ 1 → execution privilege, an 8 ms spotlight.

IV Possible micro-insurrections

Hack	Action	Foucauldian effect
Nice-bomb	Dozens of ghost `nice -20` processes	They saturate VRUNTIME, taking visibility from the “noble” apps
Sleepless Loop	A mining thread “interacts” via an ioctl loop	It gets tagged interactive, steals quantum
Cgroup Robin-Hood	A script reassigns weights when it detects starvation	Redistributes compute, slows the ostentatious UI

(Lab only; in production = ban).

V Observation ritualsafe

01

htop in tree mode; filter by VRUNTIME.
02

Find the top-dog process (low VRUNTIME).
03

Renice it +5 and watch: it drops in CPU seconds, the UI stutters.
04

Ask yourself: which absolute users govern your machine—and your day?

VI Towards an emancipatory scheduler

Ethical priority — boost open-science tasks; throttle the ad farms.
Communal quota — 10 % of ticks reserved for cooperative software.
Readable audit-log — the kernel discloses who lived, who died, and why.

A scheduler like that would make visible the capillary power that today pulses unseen in every clock.

VII Coda

“Freedom begins in the context switcher.”

Changing laws without touching the scheduler is make-up.
Foucault shouts at us from /proc/schedstat: as long as the thread of your idea gets less quantum than the thread of the advert, you are still a prisoner.
Free a tick, free a world.