linux-kernel - Re: [PATCH 2/4] tracing/sched: Fix task states in sched switch event

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Date:	Thu, 13 May 2010 12:10:17 +0100
From:	"Carsten Emde" <C.Emde@...dl.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	And rew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 2/4] tracing/sched:
 Fix task states in sched switch event

Hi Ingo,

> Hm, this is totally unreadable. What does 'TASK_STATE_X' mean??
Would this be better?
+#define MAKE_TASK_STATE_STRING(num) TASK_STATE_##num " (" DESCR_TASK_STATE_##num ")"
 static const char *task_state_array[] = {
-	"R (running)",		/*   0 */
-	"S (sleeping)",		/*   1 */
-	"D (disk sleep)",	/*   2 */
-	"T (stopped)",		/*   4 */
-	"t (tracing stop)",	/*   8 */
-	"Z (zombie)",		/*  16 */
-	"X (dead)",		/*  32 */
-	"x (dead)",		/*  64 */
-	"K (wakekill)",		/* 128 */
-	"W (waking)",		/* 256 */
+	MAKE_TASK_STATE_STRING(0),
+	MAKE_TASK_STATE_STRING(1),
+	MAKE_TASK_STATE_STRING(2),
+	MAKE_TASK_STATE_STRING(4),
+	MAKE_TASK_STATE_STRING(8),
+	MAKE_TASK_STATE_STRING(16),
+	MAKE_TASK_STATE_STRING(32),
+	MAKE_TASK_STATE_STRING(64),
+	MAKE_TASK_STATE_STRING(128),
+	MAKE_TASK_STATE_STRING(256)

	Carsten.

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