linux-kernel - Re: [GIT PULL] tracing: Updates for v4.17

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Date:   Mon, 9 Apr 2018 17:19:35 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [GIT PULL] tracing: Updates for v4.17

On Mon, 9 Apr 2018 13:23:05 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> Linus,
> 
> New features:

BTW, I forgot to mention that there will be some merge conflicts due to
updates to the documentation directory.

The fix by Stephen should work.

 http://lkml.kernel.org/r/20180321153127.23737f6e@canb.auug.org.au

-- Steve

> 
>  - Tom Zanussi's extended histogram work
>    This adds the synthetic events to have histograms from multiple event data
>    Adds triggers "onmatch" and "onmax" to call the synthetic events
>    Several updates to the histogram code from this
> 
>  - Allow way to nest ring buffer calls in the same context
> 
>  - Allow absolute time stamps in ring buffer
> 
>  - Rewrite of filter code parsing based on Al Viro's suggestions
> 
>  - Setting of trace_clock to global if TSC is unstable (on boot)
> 
>  - Better OOM handling when allocating large ring buffers
> 
>  - Added initcall tracepoints (consolidated initcall_debug code with them)
> 
> And other various fixes and clean ups