From: Steven Rostedt <srostedt@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH] ftrace_stress_test: check if tracing_enabled is supported
Date: Thu, 04 Feb 2016 10:06:07 -0500 [thread overview]
Message-ID: <1454598367.1195.45.camel@fedora> (raw)
In-Reply-To: <20160204142830.GA11527@rei.lan>
On Thu, 2016-02-04 at 15:28 +0100, Cyril Hrubis wrote:
> Hi!
> > When running the tests on RHEL7, got message as below:
> > ---------
> > /mnt/testarea/ltp/testcases/bin/ftrace_stress/ftrace_tracing_enabled.sh: line 25: /mnt/testarea/ltp/testcases/bin/debugfs/tracing/tracing_enabled: Permission denied
> > /mnt/testarea/ltp/testcases/bin/ftrace_stress/ftrace_tracing_enabled.sh: line 26: /mnt/testarea/ltp/testcases/bin/debugfs/tracing/tracing_enabled: Permission denied
> > ---------
> >
> > The reason is that the tracing_enabled file has been removed
> > since kernel v3.8 by commits:
> >
> > 02404ba tracing: Remove deprecated tracing_enabled file
> > 0fb9656 tracing: Make tracing_enabled be equal to tracing_on
> > 6752ab4 tracing: Deprecate tracing_enabled for tracing_on
>
> Looking at the commits shouldn't we use tracing_on instead of
> tracing_enabled on newer kernels?
>
Yes, and you should be using tracing_on even in older kernels.
tracing_enabled has been deprecated for a long time now.
-- Steve
next prev parent reply other threads:[~2016-02-04 15:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-24 5:22 [LTP] [PATCH] ftrace_stress_test: check if tracing_enabled is supported Chuyu Hu
2016-02-04 14:28 ` Cyril Hrubis
2016-02-04 15:06 ` Steven Rostedt [this message]
2016-02-04 15:11 ` Cyril Hrubis
2016-02-04 16:23 ` Steven Rostedt
2016-02-05 6:09 ` Chunyu Hu
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