linux-kernel - Re: [PATCH v2] tracing/x86: Update syscall trace events to handle new x86 syscall func names

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Date:   Wed, 18 Apr 2018 10:36:06 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Dominik Brodowski <linux@...inikbrodowski.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH v2] tracing/x86: Update syscall trace events to handle
 new x86 syscall func names

On Wed, 18 Apr 2018 09:53:22 -0300
Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Em Tue, Apr 17, 2018 at 05:41:28PM -0400, Steven Rostedt escreveu:
> > On Tue, 17 Apr 2018 15:13:04 -0300 Arnaldo Carvalho de Melo <acme@...nel.org> wrote:  
> > > Yeah, failing:  
> 
> > > [root@...et ~]# strace -e openat -e file perf test -F -v "mmap interface" |& grep syscalls
> > > openat(AT_FDCWD, "/sys/kernel/debug/tracing/events/syscalls/sys_enter_getsid/format", O_RDONLY) = 3
> > > openat(AT_FDCWD, "/sys/kernel/debug/tracing/events/syscalls/sys_enter_getppid/format", O_RDONLY) = -1 ENOENT (No such file or directory)  
>  
> > It doesn't have to do with the number of parameters, not everything
> > has "__x64" on it.  
>  
> > Try this patch:  
> 
> Trying...

You're keeping me in suspense!

-- Steve