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r: 157
b: refs/heads/master
c: b1ed8da
h: refs/heads/master
i:
  155: 8f9c28c
v: v3
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Roland Dreier authored and Linus Torvalds committed Apr 16, 2005
1 parent 539100b commit 1563d1c
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 9adec1a808603698bd7ff47f3883bd7cd1383f90
refs/heads/master: b1ed8dab9486ecc109b74d3941051155cb07a05a
7 changes: 3 additions & 4 deletions trunk/Documentation/infiniband/ipoib.txt
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Expand Up @@ -32,14 +32,13 @@ Debugging Information
mcast_debug_level to 1. These parameters can be controlled at
runtime through files in /sys/module/ib_ipoib/.

CONFIG_INFINIBAND_IPOIB_DEBUG also enables the "ipoib_debugfs"
CONFIG_INFINIBAND_IPOIB_DEBUG also enables files in the debugfs
virtual filesystem. By mounting this filesystem, for example with

mkdir -p /ipoib_debugfs
mount -t ipoib_debugfs none /ipoib_debufs
mount -t debugfs none /sys/kernel/debug

it is possible to get statistics about multicast groups from the
files /ipoib_debugfs/ib0_mcg and so on.
files /sys/kernel/debug/ipoib/ib0_mcg and so on.

The performance impact of this option is negligible, so it
is safe to enable this option with debug_level set to 0 for normal
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