Re: [RFC] implementing tape statistics single file vs multi-file in sysfs

On Tue, Feb 10, 2015 at 02:27:20PM +0000, Bryn M. Reeves wrote:

On Sat, Feb 07, 2015 at 12:07:43PM +0800, Greg KH wrote:

$ cat /sys/fs/selinux/avc/cache_stats 
lookups hits misses allocations reclaims frees
18938916 18921707 17209 17209 17328 22215
38164283 38146514 17769 17769 16800 19049
18078108 18056991 21117 21117 21344 19305
15168204 15150079 18125 18125 17776 13149
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0

$ cat /sys/fs/selinux/avc/hash_stats
entries: 506
buckets used: 290/512
longest chain: 5

Ugh, those look like they should be debugfs interfaces.  Thanks, I'll
add them to my list of things to nag people about...

greg k-h

On Wed, Feb 11, 2015 at 06:30:27AM +0800, Greg KH wrote:

On Tue, Feb 10, 2015 at 02:27:20PM +0000, Bryn M. Reeves wrote:

quoted

On Sat, Feb 07, 2015 at 12:07:43PM +0800, Greg KH wrote:

$ cat /sys/fs/selinux/avc/cache_stats 
lookups hits misses allocations reclaims frees
18938916 18921707 17209 17209 17328 22215
38164283 38146514 17769 17769 16800 19049
18078108 18056991 21117 21117 21344 19305
15168204 15150079 18125 18125 17776 13149
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0

$ cat /sys/fs/selinux/avc/hash_stats
entries: 506
buckets used: 290/512
longest chain: 5

Ugh, those look like they should be debugfs interfaces.  Thanks, I'll
add them to my list of things to nag people about...

Actually looking properly these are outside sysfs:

$ mount | grep selinux
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)

So everything below the mount point is in their own vfstype.

Regards,
Bryn.