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linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git]
/
Documentation
/
filesystems
/
proc.txt
diff --git
a/Documentation/filesystems/proc.txt
b/Documentation/filesystems/proc.txt
index
99902ae
..
944cf10
100644
(file)
--- a/
Documentation/filesystems/proc.txt
+++ b/
Documentation/filesystems/proc.txt
@@
-121,7
+121,7
@@
Table 1-1: Process specific entries in /proc
..............................................................................
File Content
cmdline Command line arguments
..............................................................................
File Content
cmdline Command line arguments
- cpu Current and last cpu in w
hich it was executed
(2.4)(smp)
+ cpu Current and last cpu in w
ich it was executed
(2.4)(smp)
cwd Link to the current working directory
environ Values of environment variables
exe Link to the executable of this process
cwd Link to the current working directory
environ Values of environment variables
exe Link to the executable of this process
@@
-309,13
+309,13
@@
is the same by default:
> cat /proc/irq/0/smp_affinity
ffffffff
> cat /proc/irq/0/smp_affinity
ffffffff
-It's a bitmask, in w
hich you can specify wh
ich CPUs can handle the IRQ, you can
+It's a bitmask, in w
ich you can specify w
ich CPUs can handle the IRQ, you can
set it by doing:
> echo 1 > /proc/irq/prof_cpu_mask
This means that only the first CPU will handle the IRQ, but you can also echo 5
set it by doing:
> echo 1 > /proc/irq/prof_cpu_mask
This means that only the first CPU will handle the IRQ, but you can also echo 5
-w
h
ich means that only the first and fourth CPU can handle the IRQ.
+wich means that only the first and fourth CPU can handle the IRQ.
The way IRQs are routed is handled by the IO-APIC, and it's Round Robin
between all the CPUs which are allowed to handle it. As usual the kernel has
The way IRQs are routed is handled by the IO-APIC, and it's Round Robin
between all the CPUs which are allowed to handle it. As usual the kernel has