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--- a/sys/src/cmd/stats.c

+++ b/sys/src/cmd/stats.c

@@ -56,6 +56,8 @@

 	Link,

 	Out,

 	Err0,

+	Overflows,

+	Soverflows,

 };

 struct Machine

@@ -76,8 +78,8 @@

 	uvlong		prevsysstat[10];

 	int		nproc;

 	int		lgproc;

-	uvlong		netetherstats[8];

-	uvlong		prevetherstats[8];

+	uvlong		netetherstats[9];

+	uvlong		prevetherstats[9];

 	uvlong		batterystats[2];

 	uvlong		temp[10];

@@ -114,6 +116,7 @@

 	Methererr,

 	Metherin,

 	Metherout,

+	Metherovf,

 	Mfault,

 	Midle,

 	Minintr,

@@ -138,6 +141,7 @@

 	"add  ethererr",

 	"add  etherin ",

 	"add  etherout",

+	"add  etherovf",

 	"add  fault   ",

 	"add  idle    ",

 	"add  inintr  ",

@@ -159,6 +163,7 @@

 void	contextval(Machine*, uvlong*, uvlong*, int),

 	etherval(Machine*, uvlong*, uvlong*, int),

 	ethererrval(Machine*, uvlong*, uvlong*, int),

+	etherovfval(Machine*, uvlong*, uvlong*, int),

 	etherinval(Machine*, uvlong*, uvlong*, int),

 	etheroutval(Machine*, uvlong*, uvlong*, int),

 	faultval(Machine*, uvlong*, uvlong*, int),

@@ -186,6 +191,7 @@

 	ethererrval,

 	etherinval,

 	etheroutval,

+	etherovfval,

 	faultval,

 	idleval,

 	inintrval,

@@ -805,7 +811,7 @@

 int

 needether(int init)

 {

-	return init | present[Mether] | present[Metherin] | present[Metherout] | present[Methererr];

+	return init | present[Mether] | present[Metherin] | present[Metherout] | present[Methererr] | present[Metherovf];

 }

 int

@@ -1059,6 +1065,17 @@

 }

 void

+etherovfval(Machine *m, uvlong *v, uvlong *vmax, int)

+{

+	int i;

+

+	*v = 0;

+	for(i=Overflows; i<=Soverflows; i++)

+		*v += m->netetherstats[i]-m->prevetherstats[i];

+	*vmax = (sleeptime/1000)*10;

+}

+

+void

 batteryval(Machine *m, uvlong *v, uvlong *vmax, int)

 {

 	*v = m->batterystats[0];

@@ -1422,6 +1439,7 @@

 		addgraph(Metherin);

 		addgraph(Metherout);

 		addgraph(Methererr);

+		addgraph(Metherovf);

 		break;

 	case 'p':

 		addgraph(Mtlbpurge);