linux-kernel - Re: [PATCH 05/18] perf tools: Add ordered_events

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Date:	Sun, 29 Jun 2014 18:39:33 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	David Ahern <dsahern@...il.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 05/18] perf tools: Add ordered_events_(get|put) interface

On Fri, Jun 27, 2014 at 05:06:36PM -0600, David Ahern wrote:
> On 6/18/14, 8:58 AM, Jiri Olsa wrote:
> >
> >+static struct ordered_event*
> >+ordered_events_get(struct ordered_events_queue *q, u64 timestamp)
> >+{
> >+	struct ordered_event *new;
> >+
> >+	new = alloc_event(q);
> >+	if (new) {
> >+		new->timestamp = timestamp;
> >+		queue_event(q, new);
> >+	}
> >+
> >+	return new;
> >+}
> 
> The _get name does not really correlate with what is happening -- ie.,
> allocate a new event and add it to the queue. There is no reference taken
> either.

ook.. so how about ordered_events_alloc ordered_events_free

> 
> >+
> >+static void
> >+ordered_event_put(struct ordered_events_queue *q, struct ordered_event *iter)
> >+{
> >+	list_del(&iter->list);
> >+	list_add(&iter->list, &q->cache);
> >+	q->nr_events--;
> >+}
> 
> Similarly here with the _put. In this case the function is moving the event
> from one list to another. And how about something else for the name besides
> iter -- oe, or oevent?

how about 'event' ?

jirka
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