Messages in this thread | | | Subject | Re: How do I get mac80211 debugfs? | From | Johannes Berg <> | Date | Tue, 02 Oct 2012 13:20:19 +0200 |
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On Tue, 2012-10-02 at 08:38 +0200, Johannes Berg wrote: > Hi Kevin, > > > So I tried that but all I got back was: > > > > cat: /sys/kernel/debug/ieee80211/phy*/queues: No such file or directory > > > > so I'm assuming it's because I must not have mac80211 debugfs. So how > > do I get it? > > First, make sure it's mounted, check "mount" and if not mount it: > > sudo mount -t debugfs debugfs /sys/kernel/debug > > If that doesn't work you don't have it enabled in the kernel config, > check for CONFIG_DEBUG_FS. If you do have it, but not mac80211's files, > check for CONFIG_MAC80211_DEBUGFS.
Oh also, if tracing already works, that'd be sufficient. No need to enable debugfs just to confirm the issue, tracing would let me confirm it as well. I just thought debugfs would let me confirm the issue first before going to the trouble of enabling tracing.
johannes
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