Bug#739859: ulatencyd: Ulatencyd don't do anithing
Ne 2. březen 2014, 16:13:22 CET
Corcodel Marian a...@marian1000.go.ro napsal(a):
This bug is because linux-kernel not have full support for cgroup.
On linux debian package missing support also for CONFIG_CFS_BANDWIDTH,
CONFIG_RT_GROUP_SCHED please send this bug on linux maintainers.
Hi Marian,
ulatencyd rules do not limit CPU bandwidth, unless you modified them.
So CONFIG_CFS_BANDWIDTH disabled in kernel has no effect.
CONFIG_RT_GROUP_SCHED disabled does not harm too, because ulatency do
not limit RT processes, it just moves them to separate cgroup. And IMHO
the VLC should not be running real-time.
It is easy to update rules to limit run time of process under RT
scheduler or their CPU bandwidth under CFS scheduler if you recompile
the kernel; but I am not sure this is what you want...
Because I don't understand why you tag VLC with user.poison flag. This
flag is designated for processes that are causing memory pressure. What
do you want to achieve? VLC is media player and therefore shouldn't
you want it to run smoothly? Similar you have amarok labelled with
user.idle, why? What problem are you trying to resolve?
Next you seem to be running systemd. I cannot see any cgroups in the
tree you pasted here. Either you have snipped the `ulatency tree`
output really unfortunately or your processes are not in those cgroups,
ulatencyd has put them. See
https://github.com/poelzi/ulatencyd/wiki/Faq#wiki-14does-it-work-with-systemd
1) Make sure you have cgroups controllers disabled in systemd so
it does not move processes from ulatencyd cgroups.
2) Copy ulatency python script (should be in /bin or /usr/bin, not
sure where) somewhere into under your home directory and apply attached
patch.
3) Run
$ echo cpu memory blkio cpuset | xargs -n1 ./ulatency --flags tree
tree.log
and attach the tree.log
4) Please, describe exactly what do you want to achieve and why.
Petr
commit 4f3ea0a25c236ed1af39350ca02e1fb45a9b172d
Author: Daniel Poelzleithner poe...@poelzi.org
Date: Wed Apr 20 14:17:40 2011 +0200
show important group attributes in client
show a list of important group values next to the group name in tree output.
diff --git a/client/ulatency b/client/ulatency
index 6d84f5a..b6f0789 100755
--- a/client/ulatency
+++ b/client/ulatency
@@ -27,6 +27,11 @@ VERSION = '0.2'
DEFAULT_TREE = cpu
CGROUP_PATHS = {}
CGROUP_SUBSYS = []
+GROUP_VALUES = [cpu.shares,
+cpuset.cpus, cpuset.cpu_exclusive,
+memory.limit_in_bytes, memory.memsw.limit_in_bytes,
+memory.swappiness, blkio.weight]
+GROUP_VALUES_HIDE = [, 0, 2147483647, 9223372036854775807]
CONFIG_SINGLE_TASK = single_task
@@ -409,10 +414,12 @@ class Tree(object):
}
def __init__(self, tree=DEFAULT_TREE, processes=True, show_all=True,
- utf = True, color = False, flags = False, cmdline = False):
+ utf = True, color = False, flags = False, cmdline = False,
+ group_values=True):
self.tree = tree
self.processes = processes
self.show_all = show_all
+self.group_values = group_values
self.utf = utf
self.flags = flags
self.cmdline = cmdline
@@ -423,13 +430,13 @@ class Tree(object):
process = u({0.yellow}{1}{0.default} {2}),
subtree = u({0.bold}{0.black}{1}{0.default}),
tree= u({0.bold}{0.black}{1}{2}{3}{0.default}{0.green}) +
- u({5}{0.bold}{0.black}{4}{0.default}),
+ u({5}{0.bold}{0.black}{4}{0.black}{6}{0.default}),
file= u({0.bold}{0.black}{1}{2}{3}{0.default}{4}{5}{0.magenta}{6}{0.default}) )
else:
self.color = drug(
process = u({1} {2}),
subtree = u({1}),
-tree= u({1}{2}{3}{5}{4}),
+tree= u({1}{2}{3}{5}{4}{6}),
file= u({1}{2}{3}{4}{5}{6}) )
path = self.get_path()
if path:
@@ -547,11 +554,27 @@ class Tree(object):
islast or self.boxes[self.utf].branch,
self.boxes[self.utf].file, process, fpad, flags))
return
+values =
+if self.group_values:
+for value in GROUP_VALUES:
+vpath = os.path.join(branch.path, value)
+if os.path.exists(vpath):
+with open(vpath) as fp:
+cont = fp.read().replace(\n, )
+if cont not in GROUP_VALUES_HIDE:
+if values:
+values += {0}={1}.format(value, cont)
+else:
+values += {0}={1}.format(value, cont)
+if values:
+values = (max(3, 20 - len(padding) - len(branch.name)))* + values
+
Bug#739859: ulatencyd: Ulatencyd don't do anithing
Package: ulatencyd Version: 0.5.0-8 Followup-For: Bug #739859 Somewhat working but not how expected. When on program run outside ulatencyd is eat all time on processor and remain 10% on vlc how expected but only on loading others process. Here is good point to start on fake program to artificial increase loading processor and transmit fake result to be use on control ulatencyd and limit acces on processor. Ideea is when is set on 10% vlc and others to start and run on 10% no matter what. -- System Information: Debian Release: jessie/sid APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'testing'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 3.12-1-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages ulatencyd depends on: ii dbus 1.8.0-1 ii dpkg 1.17.6 ii libc6 2.17-97 ii libdbus-1-31.8.0-1 ii libdbus-glib-1-2 0.102-1 ii libglib2.0-0 2.38.2-5 ii liblua5.1-05.1.5-5 ii libpolkit-gobject-1-0 0.105-4 ii libxau61:1.0.8-1 ii libxcb11.10-2 ii lua-posix 29-7 ii lua5.1 [lua] 5.1.5-5 Versions of packages ulatencyd recommends: ii consolekit 0.4.6-4 ulatencyd suggests no packages. -- Configuration Files: /etc/init.d/ulatencyd [Errno 2] No such file or directory: u'/etc/init.d/ulatencyd' /etc/ulatencyd/simple.conf changed: plugin-containeruser.poison /etc/ulatencyd/simple.d/video.conf changed: ?mplayer* user.media mplayer* user.media xine user.media ?vlc user.poison vlc user.poison dragonuser.media totem user.media kplayer user.media kmplayer user.media kaffeine user.media -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#739859: ulatencyd: Ulatencyd don't do anithing
This bug is because linux-kernel not have full support for cgroup. On linux debian package missing support also for CONFIG_CFS_BANDWIDTH, CONFIG_RT_GROUP_SCHED please send this bug on linux maintainers. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#739859: ulatencyd: Ulatencyd don't do anithing
Hi Marian, I can see nothing fatal in the logs. Can you past output of $ echo cpu memory blkio cpuset | xargs -n1 ulatency --flags tree while vlc is running? PS: I am sending this as new mail from webmail as I am not able to reply directly; my SMTP server is down and this mail was already POPed and removed from the mailbox. Please let me know if you subscribe to the bug so I need not to CC you and break your thread. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#739859: ulatencyd: Ulatencyd don't do anithing
Package: ulatencyd Version: 0.5.0-7 Severity: normal My sistem is with sistemd # systemctl status ulatencyd.service ulatencyd.service - Latency reducing daemon for linux Loaded: loaded (/lib/systemd/system/ulatencyd.service; enabled) Active: active (running) since Sun, 23 Feb 2014 12:56:48 +0200; 8min ago Main PID: 1103 (ulatencyd) CGroup: name=systemd:/system/ulatencyd.service └ 1103 /usr/sbin/ulatencyd ulatencyd[1103]: ** (ulatencyd:1103): WARNING **: CK Error: Could not get owner of name 'org.freed...h name Feb 23 12:56:49 ulatencyd[1103]: simplerules-Message: load simple rules directory: /etc/ulatencyd/simple.d Feb 23 12:56:49 ulatencyd[1103]: xwatch-Message: x server observation active. poll interval: 500 Feb 23 12:56:49 ulatencyd[1103]: ** Message: load rule directory: /etc/ulatencyd/rules Feb 23 12:56:49 ulatencyd[1103]: ** Message: load rule directory: /etc/ulatencyd/scheduler Feb 23 12:56:51 ulatencyd[1103]: ** Message: ulatencyd started successfull Feb 23 12:56:51 ulatencyd[1103]: ** (ulatencyd:1103): WARNING **: failed to get data: Error receiving data: No buf...ilable Feb 23 13:04:27 ulatencyd[1103]: ** (ulatencyd:1103): WARNING **: pid: 2524 parent 2522 missing. attaching to pid 1 Feb 23 13:04:27 ulatencyd[1103]: ** (ulatencyd:1103): WARNING **: pid: 2524 parent 2522 missing. attaching to pid 1 Running from terminal: systemctl stop ulatencyd.service systemctl start ulatencyd.service have same efect on vlc program -- System Information: Debian Release: 7.4 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages ulatencyd depends on: ii dbus 1.6.8-1+deb7u1 ii dpkg 1.16.12 ii libc6 2.13-38+deb7u1 ii libdbus-1-31.6.8-1+deb7u1 ii libdbus-glib-1-2 0.100.2-1 ii libglib2.0-0 2.33.12+really2.32.4-5 ii liblua5.1-05.1.5-4 ii libpolkit-gobject-1-0 0.105-3 ii libxau61:1.0.7-1 ii libxcb11.8.1-2+deb7u1 ii lua-posix 5.1.19-2 ii lua5.1 [lua] 5.1.5-4 ulatencyd recommends no packages. ulatencyd suggests no packages. -- Configuration Files: /etc/ulatencyd/simple.d/audio.conf changed: amarok user.idle clementine user.media cmd:python*exaile.py*user.media listen user.media mpd user.media parole user.media rhythmboxuser.media xmms2d user.media banshee* user.media /etc/ulatencyd/simple.d/video.conf changed: ?mplayer* user.media mplayer* user.media xine user.media ?vlc user.poison vlc user.poison dragonuser.media totem user.media kplayer user.media kmplayer user.media kaffeine user.media plugin-containe user.poison -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
