Commit Graph
22 Commits
Author SHA1 Message Date
Joachim Wiberg 9fd860ef3c initctl: cgroup and status commands should show mem.min numeric
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-18 10:37:38 +02:00
Joachim Wiberg 85ada0ac99 initctl: minor, add linefeed at end of top session
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-18 04:47:22 +02:00
Joachim Wiberg 37eb1901f9 initctl: handle ~ECHONL properly in top command
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-08 14:36:15 +02:00
Joachim Wiberg 98c4e7764f initctl: fix boolean logic bug in -p top command option
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-08 14:27:36 +02:00
Joachim Wiberg d3e4463612 initctl: add missing signal.h include, required for musl libc
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-08 14:20:48 +02:00
Joachim Wiberg b1bcdc88e0 initctl: fix ordering issue for root task in ps/top/cgroup commands
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-08 13:17:40 +02:00
Joachim Wiberg f0bf1343b0 initctl: skip return value for uev_*_init(), optional
We have these neat extras for added value, if they should fail, for
whatever reason, we still want to present 'top' to the user, which may
have to use 'reset' if exited improperly and lost cooked/cursor.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-07 13:57:43 +02:00
Joachim Wiberg 2825100f77 initctl: add support for 'q' to quit from top (also signals)
- Set TTY in raw mode to be able read a single char at a time
 - Hide cursor
 - Trap 'q', Ctrl-C, Ctrl-\ and SIGTERM to restore TTY and cursor

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-07 10:08:13 +02:00
Joachim Wiberg 522276b80d Minor, rename internal functions/variables screen_* -> tt*
- Shorter
 - Follows old UNIX tradition
 - Lines up with next commit

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-07 10:06:01 +02:00
Joachim Wiberg 7bc1470a1e Minor, rearrange functions in mode order
Only moved functions around.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-06 14:38:24 +02:00
Joachim Wiberg d59f55b90c initctl: new command 'cgroup' to show cgroup config
This is intended to be used with the 'top' command to aid in setting up
and verifying proper limits for services.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-06 12:03:20 +02:00
Joachim Wiberg 02936de993 initctl: initical conversion to use libuEv for top command
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-05 23:56:39 +02:00
Joachim Wiberg d40b426c1b Refactor, check return value from fgets()
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-04-04 12:35:35 +02:00
Joachim Wiberg c0ae7763a6 initctl: ignore possibly missing cpu.stat in cgroup2 root
Older kernels (4.19) don't have the summary cpu.stat in the cgroup2
root, so let's ignore that problem and return zero.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-22 10:47:52 +01:00
Joachim Wiberg 3107027132 cgutil: new functions to query a cgroup from pid and get memory use
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-19 09:33:42 +01:00
Joachim Wiberg 728db73b09 cgutil: export more functions to initctl
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-19 09:32:36 +01:00
Joachim Wiberg fcb8ec9967 Refactor, factor out and export memsz() util function
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-19 09:30:52 +01:00
Joachim Wiberg 6a6f3a8291 cgroup: refactor for cgroups v2, much cleaner + unified hieararchy
Since the cgroups support in Finit is not yet officially released, we
decided to change the back-end to use cgroups v2 instead of the aging
and rather clumsy cgroups v1.  Even this initial refactor is a lot
easier to read and understand, more can still be done since there's
a lot of concepts, data values and the ilk that can now be shared
between different controllers.

Still ToDo: inotify for cgroup.events to clean up leaf nodes, which
            in cgroups v1 was handled by cgreaper.sh.  This is fixed
	    in the next commit in the series.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-18 18:23:35 +01:00
Joachim Wiberg 99a8cf3eb7 initctl: add -1,--once flag for top command
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-16 23:09:01 +01:00
Joachim Wiberg da95c7d80e initctl: ensure lines don't overflow in top command
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-16 23:07:14 +01:00
Joachim Wiberg a9f7f692a9 initctl: add more columns to top command; VmSize, RSS, VmLib, %MEM
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-16 16:49:08 +01:00
Joachim Wiberg 74a26f559d initctl: refactor, split into multiple files
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
2021-03-16 09:23:04 +01:00