From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: "Christian Schaubschläger" <christian.schaubschlaeger@gmx.at>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>, linux-usb@vger.kernel.org
Subject: Re: USB issue on a TB4 controller?
Date: Tue, 30 May 2023 13:50:39 +0300 [thread overview]
Message-ID: <20230530105039.GF45886@black.fi.intel.com> (raw)
In-Reply-To: <2d12af30-4a7c-5fb3-fab8-5759296c68ac@gmx.at>
On Tue, May 30, 2023 at 12:13:19PM +0200, Christian Schaubschläger wrote:
> Hi,
>
> >> # echo 81920 > /sys/kernel/debug/tracing/buffer_size_kb
> >> # echo 1 > /sys/kernel/debug/tracing/events/xhci-hcd/enable
> >>
> >> Trace buffer is /sys/kernel/debug/tracing/trace.
>
> Can I enable this on the command line? Because I guess I need traces from startup when the dock is connected already.
I think you can add "trace_event=xhci-hcd" in the kernel command line to
get it enabled boot time. See:
https://docs.kernel.org/trace/events.html#boot-option
next prev parent reply other threads:[~2023-05-30 10:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-23 11:15 USB issue on a TB4 controller? Christian Schaubschläger
2023-05-26 12:36 ` Mika Westerberg
2023-05-29 10:59 ` Mathias Nyman
2023-05-30 10:13 ` Christian Schaubschläger
2023-05-30 10:50 ` Mika Westerberg [this message]
2023-05-30 12:11 ` Christian Schaubschläger
2023-05-30 12:17 ` Mika Westerberg
[not found] ` <a22f8874-c2b3-92a5-e858-b877872e5284@gmx.at>
[not found] ` <894ba559-9233-4428-69e7-7c0bf5c7556e@gmx.at>
2023-05-31 10:51 ` Mathias Nyman
2023-05-31 11:56 ` Christian Schaubschläger
2023-06-01 13:54 ` Mathias Nyman
2023-06-07 6:57 ` Christian Schaubschläger
2023-07-04 13:38 ` Christian Schaubschläger
2023-07-06 13:35 ` Mathias Nyman
2023-08-16 7:13 ` Christian Schaubschläger
2023-09-04 9:31 ` Christian Schaubschläger
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