From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Dmitry V. Levin" <ldv@altlinux.org>,
Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Luis Claudio R. Goncalves" <lclaudio@uudg.org>,
Eugene Syromyatnikov <esyr@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/8] perf: Allow to block process in syscall tracepoints
Date: Thu, 13 Dec 2018 11:05:25 +0100 [thread overview]
Message-ID: <20181213100525.GB5307@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181213100149.GF5289@hirez.programming.kicks-ass.net>
On Thu, Dec 13, 2018 at 11:01:49AM +0100, Peter Zijlstra wrote:
> One, very big maybe, would be to add a new tracepoint type that includes
> a might_sleep() and we very carefully undo all the preempt_disable and
> go sleep where we should. That also gives the tracepoint crud the
> information it needs to publish the capability to userspace.
Note that this includes handling fun things like the buffer getting
closed while we wait.
next prev parent reply other threads:[~2018-12-13 10:05 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-05 16:05 [RFC 1/8] perf: Block perf calls for system call tracepoints Jiri Olsa
2018-12-05 16:05 ` [PATCH 1/8] perf: Allow to block process in syscall tracepoints Jiri Olsa
2018-12-05 17:35 ` Steven Rostedt
2018-12-05 17:56 ` Jiri Olsa
2018-12-06 8:09 ` Peter Zijlstra
2018-12-06 10:30 ` Jiri Olsa
2018-12-06 8:10 ` Peter Zijlstra
2018-12-06 8:24 ` Jiri Olsa
2018-12-06 10:31 ` Peter Zijlstra
2018-12-06 8:34 ` Peter Zijlstra
2018-12-06 10:31 ` Jiri Olsa
2018-12-06 18:19 ` Steven Rostedt
2018-12-07 8:44 ` Jiri Olsa
2018-12-07 8:58 ` Peter Zijlstra
2018-12-07 13:41 ` Steven Rostedt
2018-12-07 15:11 ` Peter Zijlstra
2018-12-07 15:49 ` Arnaldo Carvalho de Melo
2018-12-08 10:41 ` Peter Zijlstra
2018-12-08 17:34 ` Steven Rostedt
2018-12-07 20:14 ` Steven Rostedt
2018-12-08 10:44 ` Peter Zijlstra
2018-12-08 17:38 ` Steven Rostedt
2018-12-10 10:18 ` Peter Zijlstra
2018-12-13 0:39 ` Dmitry V. Levin
2018-12-13 1:26 ` Steven Rostedt
2018-12-13 1:49 ` Dmitry V. Levin
2018-12-13 10:01 ` Peter Zijlstra
2018-12-13 10:05 ` Peter Zijlstra [this message]
2018-12-13 10:08 ` Peter Zijlstra
2018-12-13 11:29 ` Jiri Olsa
2018-12-06 8:17 ` Peter Zijlstra
2018-12-06 10:27 ` Jiri Olsa
2018-12-05 16:05 ` [PATCH 2/8] perf tools: Sync uapi perf_event.h Jiri Olsa
2018-12-05 16:05 ` [PATCH 3/8] perf record: Add --block option Jiri Olsa
2018-12-05 16:05 ` [PATCH 4/8] perf trace: " Jiri Olsa
2018-12-05 16:05 ` [PATCH 5/8] perf tools: Add block term support for tracepoints Jiri Olsa
2018-12-05 16:05 ` [PATCH 6/8] perf tools: Add ordered_events__flush_time interface Jiri Olsa
2018-12-14 21:00 ` [tip:perf/core] perf ordered_events: " tip-bot for Jiri Olsa
2018-12-18 14:27 ` tip-bot for Jiri Olsa
2018-12-05 16:05 ` [PATCH 7/8] perf trace: Move event delivery to deliver_event function Jiri Olsa
2018-12-14 21:01 ` [tip:perf/core] perf trace: Move event delivery to a new deliver_event() function tip-bot for Jiri Olsa
2018-12-18 14:28 ` tip-bot for Jiri Olsa
2018-12-05 16:05 ` [PATCH 8/8] perf trace: Add ordered processing for --block option Jiri Olsa
2018-12-14 21:02 ` [tip:perf/core] perf trace: Add ordered processing tip-bot for Jiri Olsa
2018-12-18 14:29 ` tip-bot for Jiri Olsa
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