From: Valdis.Kletnieks@vt.edu
To: David Howells <dhowells@redhat.com>
Cc: akpm@linux-foundation.org, torvalds@osdl.org,
Trond.Myklebust@netapp.com, chuck.lever@oracle.com,
nfsv4@linux-nfs.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, selinux@tycho.nsa.gov,
linux-security-module@vger.kernel.org
Subject: Re: Performance degradation measurement [was Re: [PATCH 06/37] Security: Separate task security context from task_struct [ver #34]]
Date: Sun, 23 Mar 2008 01:17:17 -0400 [thread overview]
Message-ID: <25920.1206249437@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Wed, 19 Mar 2008 17:12:08 -0000." <17688.1205946728@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 583 bytes --]
On Wed, 19 Mar 2008 17:12:08 -0000, David Howells said:
(Sorry - finally catching up)
> (1) SELinux enabled, none of the security patches:
>
> (gdb) p (1.119+1.110+1.104+1.106+1.095+1.112+1.094+1.091+1.112)/9
> $3 = 1.104777777777777
> (4) LSM/SELinux disabled, none of the security patches:
>
> (gdb) p (1.121+1.136+1.137+1.121+1.122+1.131+1.121+1.131+1.118)/9
> $7 = 1.1264444444444437
What's up with *that*? The *fastest* run with it disabled is 1.118, and
the *slowest* with it enabled is 1.119. At that point, I have to wonder
what we're really measuring here....
[-- Attachment #2: Type: application/pgp-signature, Size: 226 bytes --]
next prev parent reply other threads:[~2008-03-23 5:18 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-29 0:43 [PATCH 00/37] Permit filesystem local caching [ver #34] David Howells
2008-02-29 0:43 ` [PATCH 01/37] KEYS: Increase the payload size when instantiating a key " David Howells
2008-02-29 0:43 ` [PATCH 02/37] KEYS: Check starting keyring as part of search " David Howells
2008-02-29 0:43 ` [PATCH 03/37] KEYS: Allow the callout data to be passed as a blob rather than a string " David Howells
2008-02-29 0:43 ` [PATCH 04/37] KEYS: Add keyctl function to get a security label " David Howells
2008-02-29 0:44 ` [PATCH 05/37] Security: Change current->fs[ug]id to current_fs[ug]id() " David Howells
2008-02-29 0:44 ` [PATCH 06/37] Security: Separate task security context from task_struct " David Howells
2008-02-29 0:44 ` [PATCH 07/37] Security: De-embed task security record from task and use refcounting " David Howells
2008-02-29 0:44 ` [PATCH 08/37] Security: Add a kernel_service object class to SELinux " David Howells
2008-02-29 0:44 ` [PATCH 09/37] Security: Allow kernel services to override LSM settings for task actions " David Howells
2008-02-29 0:44 ` [PATCH 10/37] Security: Make NFSD work with detached security " David Howells
2008-02-29 0:44 ` [PATCH 11/37] FS-Cache: Release page->private after failed readahead " David Howells
2008-02-29 0:44 ` [PATCH 12/37] FS-Cache: Recruit a couple of page flags for cache management " David Howells
2008-02-29 0:44 ` [PATCH 13/37] FS-Cache: Provide an add_wait_queue_tail() function " David Howells
2008-02-29 0:44 ` [PATCH 14/37] FS-Cache: Generic filesystem caching facility " David Howells
2008-02-29 0:44 ` [PATCH 15/37] CacheFiles: Add missing copy_page export for ia64 " David Howells
2008-02-29 0:44 ` [PATCH 16/37] CacheFiles: Be consistent about the use of mapping vs file->f_mapping in Ext3 " David Howells
2008-02-29 0:45 ` [PATCH 17/37] CacheFiles: Add a hook to write a single page of data to an inode " David Howells
2008-02-29 0:45 ` [PATCH 18/37] CacheFiles: Permit the page lock state to be monitored " David Howells
2008-02-29 0:45 ` [PATCH 19/37] CacheFiles: Export things for CacheFiles " David Howells
2008-02-29 0:45 ` [PATCH 20/37] CacheFiles: A cache that backs onto a mounted filesystem " David Howells
2008-02-29 0:45 ` [PATCH 21/37] NFS: Add comment banners to some NFS functions " David Howells
2008-02-29 0:45 ` [PATCH 22/37] NFS: Add FS-Cache option bit and debug bit " David Howells
2008-02-29 0:45 ` [PATCH 23/37] NFS: Permit local filesystem caching to be enabled for NFS " David Howells
2008-02-29 0:45 ` [PATCH 24/37] NFS: Register NFS for caching and retrieve the top-level index " David Howells
2008-02-29 0:45 ` [PATCH 25/37] NFS: Define and create server-level objects " David Howells
2008-02-29 0:45 ` [PATCH 26/37] NFS: Define and create superblock-level " David Howells
2008-02-29 0:45 ` [PATCH 27/37] NFS: Define and create inode-level cache " David Howells
2008-02-29 0:46 ` [PATCH 28/37] NFS: Use local disk inode cache " David Howells
2008-02-29 0:46 ` [PATCH 29/37] NFS: Invalidate FsCache page flags when cache removed " David Howells
2008-02-29 0:46 ` [PATCH 30/37] NFS: Add some new I/O event counters for FS-Cache events " David Howells
2008-02-29 0:46 ` [PATCH 31/37] NFS: FS-Cache page management " David Howells
2008-02-29 0:46 ` [PATCH 32/37] NFS: Add read context retention for FS-Cache to call back with " David Howells
2008-02-29 0:46 ` [PATCH 33/37] NFS: nfs_readpage_async() needs to be accessible as a fallback for local caching " David Howells
2008-02-29 0:46 ` [PATCH 34/37] NFS: Read pages from FS-Cache into an NFS inode " David Howells
2008-02-29 0:46 ` [PATCH 35/37] NFS: Store pages from an NFS inode into a local cache " David Howells
2008-02-29 0:46 ` [PATCH 36/37] NFS: Display local caching state " David Howells
2008-02-29 0:46 ` [PATCH 37/37] NFS: Add mount options to enable local caching on NFS " David Howells
2008-03-19 17:12 ` Performance degradation measurement [was Re: [PATCH 06/37] Security: Separate task security context from task_struct [ver #34]] David Howells
2008-03-23 5:17 ` Valdis.Kletnieks [this message]
2008-03-23 12:40 ` David Howells
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=25920.1206249437@turing-police.cc.vt.edu \
--to=valdis.kletnieks@vt.edu \
--cc=Trond.Myklebust@netapp.com \
--cc=akpm@linux-foundation.org \
--cc=chuck.lever@oracle.com \
--cc=dhowells@redhat.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=nfsv4@linux-nfs.org \
--cc=selinux@tycho.nsa.gov \
--cc=torvalds@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®