From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philippe Proulx via lttng-dev Subject: Re: [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin Date: Tue, 28 Apr 2020 14:42:01 -0400 (EDT) Message-ID: <1480394831.72907.1588099321783.JavaMail.zimbra@efficios.com> References: <20200423205226.496-1-mathieu.desnoyers@efficios.com> <20200423205226.496-3-mathieu.desnoyers@efficios.com> Reply-To: Philippe Proulx Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.efficios.com (mail.efficios.com [167.114.26.124]) by lists.lttng.org (Postfix) with ESMTPS id 49BVqh4tVTz1mtV for ; Tue, 28 Apr 2020 14:42:08 -0400 (EDT) In-Reply-To: <20200423205226.496-3-mathieu.desnoyers@efficios.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" To: Mathieu Desnoyers Cc: lttng-dev , Jeremie Galarneau , gbastien+lttng , diamon-discuss@linuxfoundation.org List-Id: lttng-dev@lists.lttng.org ----- Original Message ----- > From: "Mathieu Desnoyers" > To: "gbastien+lttng" , "Matthew Khouzam" , > diamon-discuss@linuxfoundation.org, pproulx@efficios.com, "Jeremie Galarneau" > Cc: "lttng-dev" , "Mathieu Desnoyers" > Sent: Thursday, 23 April, 2020 16:52:25 > Subject: [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin > Signed-off-by: Mathieu Desnoyers > --- > common-trace-format-specification.md | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/common-trace-format-specification.md > b/common-trace-format-specification.md > index f5fea51..53b70f4 100644 > --- a/common-trace-format-specification.md > +++ b/common-trace-format-specification.md > @@ -836,10 +836,12 @@ TSDL metadata): > range between these timestamps should include all event timestamps > assigned to events contained within the packet. The timestamp at the > beginning of an event packet is guaranteed to be below or equal the > - timestamp at the end of that event packet. The timestamp at the end > - of an event packet is guaranteed to be below or equal the > - timestamps at the end of any following packet within the same stream. > - See [Clocks](#spec8) for more detail. > + timestamp at the end of that event packet. The timestamp at the > + beginning of an event packet is guaranteed to be above or equal the "greater than or equal to" > + timestamps at the beginning of any prior packet within the same > + stream. The timestamp at the end of an event packet is guaranteed to > + be below or equal the timestamps at the end of any following packet "less than or equal to" Phil > + within the same stream. See [Clocks](#spec8) for more detail. > * **Events discarded count**. Snapshot of a per-stream > free-running counter, counting the number of events discarded that > were supposed to be written in the stream after the last event in > -- > 2.11.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0E1EC83007 for ; Tue, 28 Apr 2020 18:42:11 +0000 (UTC) Received: from lists.lttng.org (lists.lttng.org [167.114.26.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7EB132076A for ; 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Tue, 28 Apr 2020 14:42:08 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 23AA627F44D; Tue, 28 Apr 2020 14:42:02 -0400 (EDT) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id RxnK749gI3x9; Tue, 28 Apr 2020 14:42:01 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id D12AB27F52B; Tue, 28 Apr 2020 14:42:01 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com D12AB27F52B X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id KaAR2JvPJue5; Tue, 28 Apr 2020 14:42:01 -0400 (EDT) Received: from mail03.efficios.com (mail03.efficios.com [167.114.26.124]) by mail.efficios.com (Postfix) with ESMTP id C5F5627F3B7; Tue, 28 Apr 2020 14:42:01 -0400 (EDT) Date: Tue, 28 Apr 2020 14:42:01 -0400 (EDT) To: Mathieu Desnoyers Message-ID: <1480394831.72907.1588099321783.JavaMail.zimbra@efficios.com> In-Reply-To: <20200423205226.496-3-mathieu.desnoyers@efficios.com> References: <20200423205226.496-1-mathieu.desnoyers@efficios.com> <20200423205226.496-3-mathieu.desnoyers@efficios.com> MIME-Version: 1.0 X-Originating-IP: [167.114.26.124] X-Mailer: Zimbra 8.8.15_GA_3918 (ZimbraWebClient - GC79 (Linux)/8.8.15_GA_3895) Thread-Topic: Clarify monotonicity requirement on timestamp begin Thread-Index: N6AKTdmIChPLgLNAHcYNiDvUTQN2wA== Subject: Re: [lttng-dev] [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin X-BeenThere: lttng-dev@lists.lttng.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: LTTng development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Philippe Proulx via lttng-dev Reply-To: Philippe Proulx Cc: lttng-dev , Jeremie Galarneau , gbastien+lttng , diamon-discuss@linuxfoundation.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" Message-ID: <20200428184201.G6wKZ8TuMEljDlcPOLNqAhYX8hXIDzrnAaW5AT6H74w@z> ----- Original Message ----- > From: "Mathieu Desnoyers" > To: "gbastien+lttng" , "Matthew Khouzam" , > diamon-discuss@linuxfoundation.org, pproulx@efficios.com, "Jeremie Galarneau" > Cc: "lttng-dev" , "Mathieu Desnoyers" > Sent: Thursday, 23 April, 2020 16:52:25 > Subject: [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin > Signed-off-by: Mathieu Desnoyers > --- > common-trace-format-specification.md | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/common-trace-format-specification.md > b/common-trace-format-specification.md > index f5fea51..53b70f4 100644 > --- a/common-trace-format-specification.md > +++ b/common-trace-format-specification.md > @@ -836,10 +836,12 @@ TSDL metadata): > range between these timestamps should include all event timestamps > assigned to events contained within the packet. The timestamp at the > beginning of an event packet is guaranteed to be below or equal the > - timestamp at the end of that event packet. The timestamp at the end > - of an event packet is guaranteed to be below or equal the > - timestamps at the end of any following packet within the same stream. > - See [Clocks](#spec8) for more detail. > + timestamp at the end of that event packet. The timestamp at the > + beginning of an event packet is guaranteed to be above or equal the "greater than or equal to" > + timestamps at the beginning of any prior packet within the same > + stream. The timestamp at the end of an event packet is guaranteed to > + be below or equal the timestamps at the end of any following packet "less than or equal to" Phil > + within the same stream. See [Clocks](#spec8) for more detail. > * **Events discarded count**. Snapshot of a per-stream > free-running counter, counting the number of events discarded that > were supposed to be written in the stream after the last event in > -- > 2.11.0 _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev