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From: Philippe Proulx via lttng-dev <lttng-dev@lists.lttng.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: lttng-dev <lttng-dev@lists.lttng.org>,
	Jeremie Galarneau <jgalar@efficios.com>,
	gbastien+lttng <gbastien+lttng@versatic.net>,
	diamon-discuss@linuxfoundation.org
Subject: Re: [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin
Date: Tue, 28 Apr 2020 14:42:01 -0400 (EDT)	[thread overview]
Message-ID: <1480394831.72907.1588099321783.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <20200423205226.496-3-mathieu.desnoyers@efficios.com>

----- Original Message -----
> From: "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>
> To: "gbastien+lttng" <gbastien+lttng@versatic.net>, "Matthew Khouzam" <matthew.khouzam@ericsson.com>,
> diamon-discuss@linuxfoundation.org, pproulx@efficios.com, "Jeremie Galarneau" <jgalar@efficios.com>
> Cc: "lttng-dev" <lttng-dev@lists.lttng.org>, "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>
> 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 <mathieu.desnoyers@efficios.com>
> ---
> 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

WARNING: multiple messages have this Message-ID
From: Philippe Proulx via lttng-dev <lttng-dev@lists.lttng.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: lttng-dev <lttng-dev@lists.lttng.org>,
	Jeremie Galarneau <jgalar@efficios.com>,
	gbastien+lttng <gbastien+lttng@versatic.net>,
	diamon-discuss@linuxfoundation.org
Subject: Re: [lttng-dev] [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin
Date: Tue, 28 Apr 2020 14:42:01 -0400 (EDT)	[thread overview]
Message-ID: <1480394831.72907.1588099321783.JavaMail.zimbra@efficios.com> (raw)
Message-ID: <20200428184201.G6wKZ8TuMEljDlcPOLNqAhYX8hXIDzrnAaW5AT6H74w@z> (raw)
In-Reply-To: <20200423205226.496-3-mathieu.desnoyers@efficios.com>

----- Original Message -----
> From: "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>
> To: "gbastien+lttng" <gbastien+lttng@versatic.net>, "Matthew Khouzam" <matthew.khouzam@ericsson.com>,
> diamon-discuss@linuxfoundation.org, pproulx@efficios.com, "Jeremie Galarneau" <jgalar@efficios.com>
> Cc: "lttng-dev" <lttng-dev@lists.lttng.org>, "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>
> 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 <mathieu.desnoyers@efficios.com>
> ---
> 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
_______________________________________________
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https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

  reply	other threads:[~2020-04-28 18:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-23 20:52 [RFC PATCH CTF 0/3] Common Trace Format Updates (upcoming 1.8.3) Mathieu Desnoyers via lttng-dev
2020-04-23 20:52 ` [RFC PATCH CTF 1/3] Clarify that unlisted enum values are implementation-defined Mathieu Desnoyers via lttng-dev
2020-04-23 22:51   ` Jérémie Galarneau via lttng-dev
2020-04-24 14:05     ` Mathieu Desnoyers via lttng-dev
2020-04-24 14:05       ` [lttng-dev] " Mathieu Desnoyers via lttng-dev
2020-04-28 18:40   ` Philippe Proulx via lttng-dev
2020-04-28 18:40     ` [lttng-dev] " Philippe Proulx via lttng-dev
2020-04-28 18:51     ` Mathieu Desnoyers via lttng-dev
2020-04-28 18:51       ` [lttng-dev] " Mathieu Desnoyers via lttng-dev
2020-04-29 12:08       ` Mathieu Desnoyers via lttng-dev
2020-04-29 12:08         ` [lttng-dev] " Mathieu Desnoyers via lttng-dev
2020-04-29 16:50         ` Philippe Proulx via lttng-dev
2020-04-29 16:50           ` [lttng-dev] " Philippe Proulx via lttng-dev
2020-04-23 20:52 ` [RFC PATCH CTF 2/3] Clarify monotonicity requirement on timestamp begin Mathieu Desnoyers via lttng-dev
2020-04-28 18:42   ` Philippe Proulx via lttng-dev [this message]
2020-04-28 18:42     ` [lttng-dev] " Philippe Proulx via lttng-dev
2020-04-28 18:54     ` Mathieu Desnoyers via lttng-dev
2020-04-28 18:54       ` [lttng-dev] " Mathieu Desnoyers via lttng-dev
2020-04-23 20:52 ` [RFC PATCH CTF 3/3] Clarify that timestamp begin/end need to be complete clock values Mathieu Desnoyers via lttng-dev

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