Commit graph

11 commits

Author SHA1 Message Date
Andreas Kling
cc04ba9cc9 ProcFS: /proc/sys entries should always be regular 644 files. 2019-02-10 06:10:01 +01:00
Andreas Kling
33d34d9b26 Kernel: Use a Lockable<bool> for sysctl booleans as well. 2019-02-08 16:18:24 +01:00
Andreas Kling
a3799cb71e ProcFS: Add sysctl strings.
They are backed by a Lockable<String> to ensure that access is synchronized.
2019-02-08 09:46:46 +01:00
Andreas Kling
71b9ec1ae0 Kernel: Add basic process priority support.
For now, the WindowServer process will run with high priority,
while the Finalizer process will run with low priority.
Everyone else gets to be "normal".

At the moment, priority simply determines the size of your time slices.
2019-02-07 12:21:17 +01:00
Andreas Kling
5582a0a254 Kernel: When a lock is busy, donate remaining process ticks to lock holder.
Since we know who's holding the lock, and we're gonna have to yield anyway,
we can just ask the scheduler to donate any remaining ticks to that process.
2019-02-07 11:14:58 +01:00
Andreas Kling
b3b28b8b15 Kernel: Add /proc/pci so we can see what's on the PCI bus. 2019-02-06 10:29:35 +01:00
Andreas Kling
41567c5bb9 Show the amount of memory in GraphicsBitmaps in /bin/top.
This seems like an extremely relevant metric to track.
2019-02-05 09:27:27 +01:00
Andreas Kling
ac11c90dee ProcFS: Fix wrong linkage for /proc/cpuinfo inode. 2019-02-04 10:38:54 +01:00
Andreas Kling
c0cffe1134 Add a /bin/top program for process table monitoring.
It automagically computes %CPU usage based on the number of times a process
has been scheduled between samples. The colonel task is used as idle timer.
This is pretty cool. :^)
2019-02-04 10:28:12 +01:00
Andreas Kling
b51031bb54 Kernel: Add a /proc/all process table dump.
This will be useful for implementing some process-related utilities.
2019-02-03 18:53:18 +01:00
Andreas Kling
5e9ba2ac84 Kernel: Rewrite ProcFS.
Now the filesystem is generated on-the-fly instead of manually adding and
removing inodes as processes spawn and die.

The code is convoluted and bloated as I wrote it while sleepless. However,
it's still vastly better than the old ProcFS, so I'm committing it.

I also added /proc/PID/fd/N symlinks for each of a process's open fd's.
2019-02-03 12:33:11 +01:00