Login
[x]
Log in using an account from:
Fedora Account System
Red Hat Associate
Red Hat Customer
Or login using a Red Hat Bugzilla account
Forgot Password
Login:
Hide Forgot
Create an Account
Red Hat Bugzilla – Attachment 159843 Details for
Bug 249158
kernel-2.6.21-1.3228.fc7 lacks aes-i586.ko
[?]
New
Simple Search
Advanced Search
My Links
Browse
Requests
Reports
Current State
Search
Tabular reports
Graphical reports
Duplicates
Other Reports
User Changes
Plotly Reports
Bug Status
Bug Severity
Non-Defaults
|
Product Dashboard
Help
Page Help!
Bug Writing Guidelines
What's new
Browser Support Policy
5.0.4.rh83 Release notes
FAQ
Guides index
User guide
Web Services
Contact
Legal
This site requires JavaScript to be enabled to function correctly, please enable it.
Details of test results
test-aes.txt (text/plain), 2.27 KB, created by
Krzysio (Chris) Leszczynski
on 2007-07-24 09:08:52 UTC
(
hide
)
Description:
Details of test results
Filename:
MIME Type:
Creator:
Krzysio (Chris) Leszczynski
Created:
2007-07-24 09:08:52 UTC
Size:
2.27 KB
patch
obsolete
>The kernel is kernel-2.6.20-1.2962.fc6. >The disk is 400GB Seagate, ST3400620NS >Trying to read 10GB, results: > > /dev/zero->/dev/null: 47.9GB/s (0.2s) > unencrypted device: 72.2MB/s (148.7s) > encrypted with 'C' AES: 38.3MB/s (280.1s) > encrypted with i586 AES: 60.4MB/s (177.9s) > > >Here is how I made the tests. > >$ cat /proc/cpuinfo >processor : 0 >vendor_id : GenuineIntel >cpu family : 15 >model : 4 >model name : Intel(R) Celeron(R) CPU 2.53GHz >stepping : 9 >cpu MHz : 2545.796 >cache size : 256 KB >fdiv_bug : no >hlt_bug : no >f00f_bug : no >coma_bug : no >fpu : yes >fpu_exception : yes >cpuid level : 5 >wp : yes >flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc up pni monitor ds_cpl tm2 cid cx16 xtpr >bogomips : 5094.18 >clflush size : 64 > >My machine has 512MB of RAM, copying 10GB to reduce caching effect > >The kernel# Timing 10GB of /dev/null (just to test the procedure) > >$ dd if=/dev/zero bs=1024k count=10k of=/dev/null >10240+0 records in >10240+0 records out >10737418240 bytes (11 GB) copied, 0.224041 seconds, 47.9 GB/s > > ># Timing 10GB of unecrypted device read >$ dd if=/dev/sda4 bs=1024k count=10k of=/dev/null >10240+0 records in >10240+0 records out >10737418240 bytes (11 GB) copied, 148.652 seconds, 72.2 MB/s > ># Timing 10GB of C-version AES device read >$ modprobe aes >$ lsmod |grep aes >aes 31617 0 >$ echo 0 `blockdev --getsz /dev/sda4` crypt aes-cbc-essiv:sha256 01234567890123456789012345678901 0 /dev/sda4 0 | dmsetup create sda4crypt >$ dd if=/dev/mapper/sda4crypt bs=1024k count=10k of=/dev/null >10240+0 records in >10240+0 records out >10737418240 bytes (11 GB) copied, 280.07 seconds, 38.3 MB/s > > ># Timing 10GB of i586-optimized AES >$ dmsetup remove sda4crypt >$ modprobe -r aes >$ modprobe aes-i586 >$ lsmod |grep aes >aes_i586 37057 0 >$ echo 0 `blockdev --getsz /dev/sda4` crypt aes-cbc-essiv:sha256 01234567890123456789012345678901 0 /dev/sda4 0 | dmsetup create sda4crypt >$ dd if=/dev/mapper/sda4crypt bs=1024k count=10k of=/dev/null >10240+0 records in >10240+0 records out >10737418240 bytes (11 GB) copied, 177.877 seconds, 60.4 MB/s
You cannot view the attachment while viewing its details because your browser does not support IFRAMEs.
View the attachment on a separate page
.
View Attachment As Raw
Actions:
View
Attachments on
bug 249158
: 159843