From: Jiri Olsa <jolsa@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: gg@twins.programming.kicks-ass.net, Jiri Olsa <jolsa@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: Re: [PATCH 2/5] ftrace perf: Move exclude_kernel tracepoint check to init event
Date: Thu, 24 Mar 2016 14:30:59 +0100 [thread overview]
Message-ID: <20160324133059.GA22759@krava.brq.redhat.com> (raw)
In-Reply-To: <20160324130045.GR6356@twins.programming.kicks-ass.net>
On Thu, Mar 24, 2016 at 02:00:45PM +0100, Peter Zijlstra wrote:
> On Thu, Mar 24, 2016 at 01:25:44PM +0100, Jiri Olsa wrote:
> > > > > > $ sudo perf record -e sched:sched_switch:u ls
> > > > > > $ sudo /perf script | wc -l
> > > > > > 0
>
> > > And its not like the [uk] flags are hard to implement here.
> >
> > sched:sched_switch:u ?
>
> As per the above, its implemented and correct. The answer is 0.
>
> The only problem is that currently it assumes all tracepoint events are
> from the kernel, and that is wrong for uprobes.
>
> But returning an error is not right, its a valid configuration, a daft
> one, sure, but not invalid.
>
> Similarly uprobe:foo:k is daft, but broken.
ok, will send fix for uprobes then
thanks,
jirka
next prev parent reply other threads:[~2016-03-24 13:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-16 14:34 [PATCHv2 0/5] ftrace perf: Fixes and speedup Jiri Olsa
2016-03-16 14:34 ` [PATCH 1/5] ftrace perf: Check sample types only for sampling events Jiri Olsa
2016-03-18 14:27 ` Steven Rostedt
2016-03-31 9:25 ` [tip:perf/core] ftrace/perf: " tip-bot for Jiri Olsa
2016-03-16 14:34 ` [PATCH 2/5] ftrace perf: Move exclude_kernel tracepoint check to init event Jiri Olsa
2016-03-18 14:28 ` Steven Rostedt
2016-03-23 10:41 ` Peter Zijlstra
2016-03-24 9:56 ` Jiri Olsa
2016-03-24 10:49 ` Peter Zijlstra
2016-03-24 12:25 ` Jiri Olsa
2016-03-24 13:00 ` Peter Zijlstra
2016-03-24 13:30 ` Jiri Olsa [this message]
2016-03-16 14:34 ` [PATCH 3/5] ftrace perf: Use ftrace_ops::private to store event pointer Jiri Olsa
2016-03-18 14:28 ` Steven Rostedt
2016-03-23 14:26 ` Peter Zijlstra
2016-03-24 9:47 ` Jiri Olsa
2016-03-24 10:40 ` Peter Zijlstra
2016-03-16 14:34 ` [PATCH 4/5] ftrace: Make ftrace_hash_rec_enable return update bool Jiri Olsa
2016-03-17 0:23 ` Namhyung Kim
2016-03-16 14:34 ` [PATCH 5/5] ftrace: Update dynamic ftrace calls only if necessary Jiri Olsa
2016-03-17 0:25 ` Namhyung Kim
2016-03-18 14:27 ` Steven Rostedt
-- strict thread matches above, loose matches on Subject: below --
2016-03-09 20:46 [RFC 0/5] ftrace perf: Fixes and speedup Jiri Olsa
2016-03-09 20:46 ` [PATCH 2/5] ftrace perf: Move exclude_kernel tracepoint check to init event Jiri Olsa
2016-03-10 0:39 ` Namhyung Kim
2016-03-11 8:39 ` Jiri Olsa
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