Re: Documentation/trace/events.rst: wrong numbering of sections

From: Li Xinhai
Date: Sun May 17 2020 - 22:50:35 EST


>Hi,
>
>On Fri, 2020-05-15 at 09:11 -0400, Steven Rostedt wrote:
>> It's best to Cc the maintainers of the file. Nobody reads linux-
>> kernel (it
>> produces 800 emails a day!). Luckily, I happen to monitor the
>> linux-trace-devel list (which is mostly for userland tools),
>> otherwise this
>> email would have been lost to the LKML abyss.
>>
>> On Fri, 15 May 2020 15:43:43 +0800
>> "Li Xinhai" <lixinhai.lxh@xxxxxxxxx> wrote:
>>
>> > This document has below numbering of its sections:
>> >
>> > 1. Introduction
>> > 2. Using Event Tracing
>> > 2.1 Via the 'set_event' interface
>> > 2.2 Via the 'enable' toggle
>> > 2.3 Boot option
>> > 3. Defining an event-enabled tracepoint
>> > 4. Event formats
>> > 5. Event filtering
>> > 5.1 Expression syntax
>> > 5.2 Setting filters
>> > 5.3 Clearing filters
>> > 5.3 Subsystem filters
>> > 5.4 PID filtering
>> > 6. Event triggers
>> > 6.1 Expression syntax
>> > 6.2 Supported trigger commands
>> > 6.3 In-kernel trace event API
>> > 6.3.1 Dyamically creating synthetic event definitions
>> > 6.3.3 Tracing synthetic events from in-kernel code
>> > 6.3.3.1 Tracing a synthetic event all at once
>> > 6.3.3.1 Tracing a synthetic event piecewise
>> > 6.3.4 Dyamically creating kprobe and kretprobe event definitions
>> > 6.3.4 The "dynevent_cmd" low-level API
>> >
>> > It seems wrong numbering within 6.3 section.
>> > or, would it be better to have separated chapter #7, for 'In-kernel
>> > trace
>> > event API'? it seems not belong to 'Event triggers'.
>>
>> Yeah, 6.3.4 (both of them) probably should have been under a new top
>> level
>> section. (#7).
>>
>
>Yeah, aside from duplicate numbering in a couple of places, it would
>make more sense for everything starting from '6.3 In-kernel trace event
>API' to be in a section 7.
>
>Would you like to submit a patch for that, Li, or should I?
>
I am not sure the correct organization of these part, you maybe better to fix it, thanks.

>Thanks,
>
>Tom
>
>> -- Steve
>