* Ivana Varekova <[email protected]> [2010-08-09 14:49:37]:
> CHANGELOG v1
> * more verbose comments
> * tune the variable names/description/usage in display_controller_data
> function
> * remove unnecesary .stat exception
>
> SYNOPSIS:
> cgsnapshot [-h] [-n] [controller] [...]
> Generate the configuration file from the current hierarchie(s) of control
> groups
> -h, --help Display this help
> -n, --no-errors Omit the output
> the output have the same format as cgconfig.conf file (the values are in
> commas)
>
> EXAMPLE:
> $ /home/varekova/bg/libcgroup/20100719/libcg/src/tools/cgsnapshot -n
> # Configuration file generated by cgsnapshot
> mount {
> cpuset = /cgroup/cpuset;
> cpu = /cgroup/devices;
> cpuacct = /cgroup/memoryd;
> memory = /cgroup/memory;
> devices = /cgroup/devices;
> freezer = /cgroup/freezer;
> net_cls = /cgroup/net_cls;
> }
>
> group daemons {
> perm {
> admin {
> uid = root;
> gid = root;
> }
> task {
> uid = root;
> gid = root;
> }
> }
> cpuset {
> cpuset.memory_spread_slab="0";
> cpuset.memory_spread_page="0";
> cpuset.memory_migrate="0";
> cpuset.sched_relax_domain_level="-1";
> cpuset.sched_load_balance="1";
> cpuset.mem_hardwall="0";
> cpuset.mem_exclusive="0";
> cpuset.cpu_exclusive="0";
> }
> }
>
Is this a generated sample? BTW, I ran the code through the generated
hierarchy from samples/large_cgconfig.conf and took a snapshot. Then I
loaded the snapshot using cgconfigparser, the load failed.
I also found that we generate duplicate groups -- one for each
controller, we don't support that yet and I think it makes the final
output hard to read and longer. Could you please write cgsnapshot in
a way that integrates control files from each controller into one
group {} in the generated file.
--
Three Cheers,
Balbir
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