Re: [patch 2.6.16-rc4-mm1] Task Throttling V14

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MIke Galbraith wrote:
On Fri, 2006-02-17 at 14:45 +0100, MIke Galbraith wrote: +/*
+ * Masks for p->slice_info, formerly p->first_time_slice.
+ * SLICE_FTS:   0x80000000  Task is in it's first ever timeslice.
+ * SLICE_NEW:   0x40000000  Slice refreshed.
+ * SLICE_SPA:   0x3FFF8000  Spare bits.
+ * SLICE_LTS:   0x00007F80  Last time slice
+ * SLICE_AVG:   0x0000007F  Task slice_avg stored as percentage.
+ */
+#define SLICE_AVG_BITS    7
+#define SLICE_LTS_BITS   10
+#define SLICE_SPA_BITS   13
+#define SLICE_NEW_BITS    1
+#define SLICE_FTS_BITS    1

I count 8 and 15 bits in the documentation of LTS/SPA respectively, not 10 and 13.

 	}
if (likely(sleep_time > 0)) {
+

Extra line

+	{
+		.ctl_name	= KERN_SCHED_THROTTLE1,
+		.procname	= "sched_g1",
+		.data		= &sched_g1,
+		.maxlen		= sizeof (int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &zero,
+		.extra2		= &sched_g2_max,

sched_g2_max is possibly badly named, as it is used in connection with sched_g1 here.

+	},
+	{
+		.ctl_name	= KERN_SCHED_THROTTLE2,
+		.procname	= "sched_g2",
+		.data		= &sched_g2,
+		.maxlen		= sizeof (int),
+		.mode		= 0644,
+		.proc_handler	= &proc_dointvec_minmax,
+		.strategy	= &sysctl_intvec,
+		.extra1		= &zero,
+		.extra2		= &sched_g2_max,
+	},


Daniel K.
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