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Full Discussion: Determining L2 cache size
Operating Systems Linux Determining L2 cache size Post 302413802 by mourya on Saturday 17th of April 2010 09:38:22 AM
Old 04-17-2010
Determining L2 cache size
Is there any way to know the L2 cache size from examinging to boot log. Here is my boot log
Code:
Linux version 2.6.13-jaluna (root@localhost.localdomain) (gcc version 3.2.2) #4
Thu Apr 23 23:16:10 EDT 2009
TMS320DM643X port (C) VirtualLogix and others
Designed for the EVMDM6437 board, Spectrum Digital Inc.
CPU: C64x+ revision unknown core voltage 1.2V core number 0
Initializing kernel
Zone DMA start=0x83000000 size=0x1000000
disabling caching for 0x83000000 to 0x83ffffff
zone : 8029a438, size 4096
zone 0 start 16384, 80300800 802a0800
zone : 8029a56c, size 12288
zone 1 start 12288, 802a0800 802a0800
zone : 8029a6a0, size 0
Built 1 zonelists
Kernel command line: console=ttyS0,115200 root=/dev/nfs rw nfsroot=169.254.29.75
:/home/mourya/Install/linux-root,auto_uid  ip=169.254.29.76:::::eth0: video=dm64
xxfb:output=pal
PID hash table entries: 512 (order: 9, 8192 bytes)
Console: colour dummy device 80x25
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory available: 62208k/62864k RAM, 0k/0k ROM (596k kernel code, 51k data)
Mount-cache hash table entries: 512
NET: Registered protocol family 16
EVMDM6437: Unable to read MAC from EEPROM, no i2c support in kernel.
eth0: EMAC driver version 0.12 IRQ=10 ZERO_COPY=ON
eth0: Ethernet addr=00:00:00:00:00:00 PHY=MII
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
Serial: 8250/16550 driver $Revision: 1.90 $ 1 ports, IRQ sharing disabled
ttyS0 at MMIO 0x0 (irq = 7) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
eth1: REMETH driver v0.21: error=no device found
mice: PS/2 mouse device common for all mice
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
IP-Config: Guessing netmask 255.255.0.0
IP-Config: Complete:
      device=eth0, addr=169.254.29.76, mask=255.255.0.0, gw=255.255.255.255,
     host=169.254.29.76, domain=, nis-domain=(none),
     bootserver=255.255.255.255, rootserver=169.254.29.75, rootpath=
Looking up port of RPC 100003/2 on 169.254.29.75
Looking up port of RPC 100005/1 on 169.254.29.75

 

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LEARN ABOUT FREEBSD

ntb

NTB(4)							   BSD Kernel Interfaces Manual 						    NTB(4)

NAME

     ntb, ntb_hw, if_ntb -- Intel(R) Non-Transparent Bridge driver

SYNOPSIS

     To compile this driver into your kernel, place the following lines in your kernel configuration file:

	   device ntb_hw
	   device if_ntb

     Or, to load the driver as a module at boot, place the following line in loader.conf(5):

	   if_ntb_load="YES"

DESCRIPTION

     The ntb driver provides support for the Non-Transparent Bridge (NTB) in the Intel S1200, Xeon E3 and Xeon E5 processor families.

     The NTB allows you to connect two computer systems using a PCI-e link if they have the correct equipment and connectors.

CONFIGURATION

     The NTB memory windows need to be configured by the BIOS.	If your BIOS allows you to set their size, you should set the size of both memory
     windows to 1 MiB.	This needs to be done on both systems.

     Each system needs to have a different IP address assigned.  The MAC address is randomly generated.  Also for maximum performance, the MTU
     should be set to 16 kiB.  This can be done by adding the line below to rc.conf(5):

	   ifconfig_ntb0="inet 192.168.1.10 netmask 255.255.255.0 mtu 16384"

     And on the second system :

	   ifconfig_ntb0="inet 192.168.1.11 netmask 255.255.255.0 mtu 16384"

     If you are using the UDP protocol, you may want to increase the net.inet.udp.maxdgram sysctl(8) variable.

SEE ALSO

     rc.conf(5), sysctl(8)

AUTHORS

     The ntb driver was developed by Intel and originally written by Carl Delsey <carl@FreeBSD.org>.

BUGS

     If the driver is unloaded, it cannot be reloaded without a system reboot.

     The network support is limited.  It isn't fully configurable yet.	It also isn't integrated into netgraph(4) or bpf(4).

     NTB to Root Port mode is not yet supported.

     There is no way to protect your system from malicious behavior on the other system once the link is brought up.  Anyone with root or kernel
     access on the other system can read or write to any location on your system.  In other words, only connect two systems that completely trust
     each other.

BSD
								   Apr 11, 2013 							       BSD
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