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iwlwifi: adding interrupt counter in debugfs for debugging

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This patch adds interrupt statistics report to debugfs, this can help to
understand number of interrupts happened which including HW/SW error for
easier and better debugging.

in /sys/kernel/debug/ieee80211/phyN/iwlagn/data directory
use "cat interrupt" to view the current interrupt counter
use "echo 0 > interrupt" to clear interrupt counter

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy
2009-04-08 11:39:32 -07:00
committed by John W. Linville
parent 1620108910
commit a83b9141b5
6 changed files with 141 additions and 3 deletions
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1
drivers/net/wireless/iwlwifi/iwl-debug.h
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@@ -75,6 +75,7 @@ struct iwl_debugfs {
struct dentry *file_log_event;
struct dentry *file_channels;
struct dentry *file_status;
struct dentry *file_interrupt;
} dbgfs_data_files;
struct dir_rf_files {
struct dentry *file_disable_sensitivity;