peo3

group browser {
	cpu {
		cpu.shares = 500;
	}
	cpuacct {
	}
	memory {
		memory.soft_limit_in_bytes = 400M;
		memory.limit_in_bytes = 500M;
	}

peo3

/*
 * Usage in python:
 *
 *   import linux
 *   efd = linux.eventfd(0, 0)
 *   ...
 *   ret = struct.unpack('Q', os.read(efd, 8))
 *   ...
 *   linux.close(efd)
 */

peo3

#!/usr/bin/python

# Usage: sudo python cgroup_event_listener.py /sys/fs/cgroup/memory/hoge/memory.usage_in_bytes 263M

import sys
import os, os.path
import struct

import linux

peo3

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_wchar_h_correct_inline" >&5
$as_echo "$gl_cv_header_wchar_h_correct_inline" >&6; }
  if test $gl_cv_header_wchar_h_correct_inline = no; then
    as_fn_error $? "<wchar.h> cannot be used with this compiler ($CC $CFLAGS $CPPFLAGS).
This is a known interoperability problem of glibc <= 2.5 with gcc >= 4.3 in
C99 mode. You have four options:
  - Add the flag -fgnu89-inline to CC and reconfigure, or
  - Fix your include files, using parts of
    <http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=b037a293a48718af30d706c2e18c929d0e69a621>, or
  - Use a gcc version older than 4.3, or

peo3

- brew install scala sbt
- mkdir -p scala/Hoge
- cd scala/Hoge
- sbt
- vim build.sbt
- cat build.sbt
name := "Hoge"
version := "0.1"
scalaVersion := "2.9.0-1"
libraryDependencies += "org.scalatest" % "scalatest_2.9.0" % "1.6.1"

peo3

$ \ls -1 ~/git
bitcoin
btrfs-progs-unstable
cgroup-utils
iproute2
libvirt
linux
linux-stable
lxc
openflow

peo3

/* store a bundle */
Bundle bundle = // get a bundle from somewhere
final Parcel parcel = Parcel.obtain();
bundle.writeToParcel(parcel, 0);
byte[] bundleBytes = parcel.marshall();
parcel.recycle();

ContentValues values = new ContentValues();
values.put("bundle", bundleBytes);
SQLiteDatabase db = // create a db object

peo3

obj-m = cgroup-notifier-counter.o

KVERSION = $(shell uname -r)

all:
	make -C /lib/modules/$(KVERSION)/build M=$(PWD) modules
clean:
	make -C /lib/modules/$(KVERSION)/build M=$(PWD) clean

peo3

[fedora17 cgroup-utils]$ cgutil pgrep systemd
/: 1
/system/systemd-logind.service: 576
/system/systemd-journald.service: 359
[fedora17 cgroup-utils]$ cgutil pgrep systemd -l -f
/: 1 /usr/lib/systemd/systemd 
/: 1321 /bin/python /bin/cgutil pgrep systemd -l -f 
/system/systemd-logind.service: 576 /usr/lib/systemd/systemd-logind 
/system/dbus.service: 607 /bin/dbus-daemon --system --address=systemd: --nofork --systemd-activation 
/system/systemd-journald.service: 359 /usr/lib/systemd/systemd-journald 

peo3

$ cgutil tree -t -k --show-autogroup
<root>
   +test
   +system
   |   +sm-client.service
   |   |   `sendmail
   |   +sendmail.service
   |   |   `sendmail
   |   +vboxadd-service.service
   |   |   `VBoxService