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Commit Graph

13 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
b9acccb3c9 man: reword StartupCPUShares= description
Now that we have two options described in the same paragraph, we cannot
use singular anymore.
2014-05-24 18:50:21 -04:00
Lennart Poettering
9a05490933 cgroups: simplify CPUQuota= logic
Only accept cpu quota values in percentages, get rid of period
definition.

It's not clear whether the CFS period controllable per-cgroup even has a
future in the kernel, hence let's simplify all this, hardcode the period
to 100ms and only accept percentage based quota values.
2014-05-22 11:53:12 +09:00
Lennart Poettering
db785129c9 cgroup: rework startup logic
Introduce a (unsigned long) -1 as "unset" state for cpu shares/block io
weights, and keep the startup unit set around all the time.
2014-05-22 07:13:56 +09:00
WaLyong Cho
95ae05c0e7 core: add startup resource control option
Similar to CPUShares= and BlockIOWeight= respectively. However only
assign the specified weight during startup. Each control group
attribute is re-assigned as weight by CPUShares=weight and
BlockIOWeight=weight after startup.  If not CPUShares= or
BlockIOWeight= be specified, then the attribute is re-assigned to each
default attribute value. (default cpu.shares=1024, blkio.weight=1000)
If only CPUShares=weight or BlockIOWeight=weight be specified, then
that implies StartupCPUShares=weight and StartupBlockIOWeight=weight.
2014-05-22 07:13:56 +09:00
Jan Engelhardt
b588c2d1b7 doc: adhere to XML syntax 2014-05-06 23:08:04 +02:00
Lennart Poettering
b2f8b02ec2 core: expose CFS CPU time quota as high-level unit properties 2014-04-25 13:27:25 +02:00
Lennart Poettering
e41969e3d1 core: support globbing matches in DeviceAllow= when checking for device groups 2014-03-11 17:43:41 +01:00
Lennart Poettering
085afe36cb core: add global settings for enabling CPUAccounting=, MemoryAccounting=, BlockIOAccounting= for all units at once 2014-02-24 23:50:10 +01:00
Lennart Poettering
5556b5fe41 core: clean up some confusing regarding SI decimal and IEC binary suffixes for sizes
According to Wikipedia it is customary to specify hardware metrics and
transfer speeds to the basis 1000 (SI decimal), while software metrics
and physical volatile memory (RAM) sizes to the basis 1024 (IEC binary).
So far we specified everything in IEC, let's fix that and be more
true to what's otherwise customary. Since we don't want to parse "Mi"
instead of "M" we document each time what the context used is.
2014-02-23 03:19:04 +01:00
Lennart Poettering
90060676c4 cgroup: Extend DeviceAllow= syntax to whitelist groups of devices, not just particular devices nodes 2014-02-22 03:05:34 +01:00
Jan Engelhardt
72f4d9669c man: wording and grammar updates
This is a recurring submission and includes corrections to various
issue spotted. I guess I can just skip over reporting ubiquitous comma
placement fixes…
2013-10-15 08:19:49 -04:00
Lennart Poettering
ea021cc3ea man: link cgroups api docs from relevant man pages 2013-09-30 18:57:04 +02:00
Lennart Poettering
3fde5f30bd man: drop references to "cgroup" wher appropriate
Since cgroups are mostly now an implementation detail of systemd lets
deemphasize it a bit in the man pages. This renames systemd.cgroup(5) to
systemd.resource-control(5) and uses the term "resource control" rather
than "cgroup" where appropriate.

This leaves the word "cgroup" in at a couple of places though, like for
example systemd-cgtop and systemd-cgls where cgroup stuff is at the core
of what is happening.
2013-09-27 00:05:07 +02:00