diff options
Diffstat (limited to 'Documentation/infiniband/ipoib.txt')
| -rw-r--r-- | Documentation/infiniband/ipoib.txt | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/infiniband/ipoib.txt b/Documentation/infiniband/ipoib.txt index 18e184b56040..5c5a4ccce76a 100644 --- a/Documentation/infiniband/ipoib.txt +++ b/Documentation/infiniband/ipoib.txt | |||
| @@ -32,14 +32,13 @@ Debugging Information | |||
| 32 | mcast_debug_level to 1. These parameters can be controlled at | 32 | mcast_debug_level to 1. These parameters can be controlled at |
| 33 | runtime through files in /sys/module/ib_ipoib/. | 33 | runtime through files in /sys/module/ib_ipoib/. |
| 34 | 34 | ||
| 35 | CONFIG_INFINIBAND_IPOIB_DEBUG also enables the "ipoib_debugfs" | 35 | CONFIG_INFINIBAND_IPOIB_DEBUG also enables files in the debugfs |
| 36 | virtual filesystem. By mounting this filesystem, for example with | 36 | virtual filesystem. By mounting this filesystem, for example with |
| 37 | 37 | ||
| 38 | mkdir -p /ipoib_debugfs | 38 | mount -t debugfs none /sys/kernel/debug |
| 39 | mount -t ipoib_debugfs none /ipoib_debufs | ||
| 40 | 39 | ||
| 41 | it is possible to get statistics about multicast groups from the | 40 | it is possible to get statistics about multicast groups from the |
| 42 | files /ipoib_debugfs/ib0_mcg and so on. | 41 | files /sys/kernel/debug/ipoib/ib0_mcg and so on. |
| 43 | 42 | ||
| 44 | The performance impact of this option is negligible, so it | 43 | The performance impact of this option is negligible, so it |
| 45 | is safe to enable this option with debug_level set to 0 for normal | 44 | is safe to enable this option with debug_level set to 0 for normal |