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Groups > linux.kernel > #1691712

Re: [PATCH] drivers: staging: comedi: Add ftrace support

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH] drivers: staging: comedi: Add ftrace support
Date 2017-07-19 16:30 +0200
Message-ID <u4Y9c-1j1-3@gated-at.bofh.it> (permalink)
References <u4XGa-SU-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jul 19, 2017 at 02:57:28PM +0100, Piotr Gregor wrote:
> + * Id : Description
> + * 0	Enter the interrupt of amplc_dio200_common
> + * 1	Called from same ISR of amplc_dio200_common if IRQ is handled

That is a very device-specific tracepoint, do we really want each driver
to be able to set these up?

Why can't ftrace handle this type of thing instead?

thanks,

greg k-h

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Thread

[PATCH] drivers: staging: comedi: Add ftrace support Piotr Gregor <piotrgregor@rsyncme.org> - 2017-07-19 16:00 +0200
  Re: [PATCH] drivers: staging: comedi: Add ftrace support Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-19 16:30 +0200
    Re: [PATCH] drivers: staging: comedi: Add ftrace support Piotr Gregor <piotrgregor@rsyncme.org> - 2017-07-19 17:50 +0200

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