ref: 921aa0a6c387eaeca5c485f7d9c49bdef7a435a9
parent: 45b79036bed41e170dd4fca0bbec4425aee5033e
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Tue Jun 16 04:08:42 EDT 2015
stats: add kernel malloc and kernel draw allocation size graphs
--- a/sys/man/8/stats
+++ b/sys/man/8/stats
@@ -68,6 +68,12 @@
The graph displays the fraction
of the machine's total memory in use.
.TP
+.B "k kern
+kernel memory allocation size in bytes.
+.TP
+.B "d draw
+draw memory allocation size in bytes.
+.TP
.B
.B "n etherin,out,err
number of packets sent and received per second, and total number of errors, displayed as separate graphs.
--- a/sys/src/cmd/stats.c
+++ b/sys/src/cmd/stats.c
@@ -34,6 +34,11 @@
Swap,
Maxswap,
+ Kern,
+ Maxkern,
+ Draw,
+ Maxdraw,
+
/* /dev/sysstats */
Procno = 0,
Context,
@@ -66,7 +71,7 @@
int tempfd;
int disable;
- uvlong devswap[4];
+ uvlong devswap[8];
uvlong devsysstat[10];
uvlong prevsysstat[10];
int nproc;
@@ -117,6 +122,8 @@
Mload,
Mmem,
Mswap,
+ Mkern,
+ Mdraw,
Msyscall,
Mtlbmiss,
Mtlbpurge,
@@ -139,6 +146,8 @@
"add load ",
"add mem ",
"add swap ",
+ "add kern ",
+ "add draw ",
"add syscall ",
"add tlbmiss ",
"add tlbpurge",
@@ -160,6 +169,8 @@
idleval(Machine*, uvlong*, uvlong*, int),
memval(Machine*, uvlong*, uvlong*, int),
swapval(Machine*, uvlong*, uvlong*, int),
+ kernval(Machine*, uvlong*, uvlong*, int),
+ drawval(Machine*, uvlong*, uvlong*, int),
syscallval(Machine*, uvlong*, uvlong*, int),
tlbmissval(Machine*, uvlong*, uvlong*, int),
tlbpurgeval(Machine*, uvlong*, uvlong*, int),
@@ -183,6 +194,8 @@
loadval,
memval,
swapval,
+ kernval,
+ drawval,
syscallval,
tlbmissval,
tlbpurgeval,
@@ -194,7 +207,7 @@
Graph *graph;
Machine *mach;
char *mysysname;
-char argchars[] = "8bceEfiImlnpstwz";
+char argchars[] = "8bcdeEfiIkmlnpstwz";
int pids[NPROC];
int parity; /* toggled to avoid patterns in textured background */
int nmach;
@@ -599,9 +612,35 @@
a[1] = a[4];
a[2] = a[5];
a[3] = a[6];
+
+ a[4] = 0;
+ a[5] = 0;
+ if(m->bufp = strstr(m->buf, "kernel malloc")){+ while(m->bufp > m->buf && m->bufp[-1] != '\n')
+ m->bufp--;
+ a[4] = strtoull(m->bufp, &m->bufp, 10);
+ while(*m->bufp++ == '/')
+ a[5] = strtoull(m->bufp, &m->bufp, 10);
+ }
+
+ a[6] = 0;
+ a[7] = 0;
+ if(m->bufp = strstr(m->buf, "kernel draw")){+ while(m->bufp > m->buf && m->bufp[-1] != '\n')
+ m->bufp--;
+ a[6] = strtoull(m->bufp, &m->bufp, 10);
+ while(*m->bufp++ == '/')
+ a[7] = strtoull(m->bufp, &m->bufp, 10);
+ }
+
return 1;
}
- return readnums(m, nelem(m->devswap), a, 0);
+
+ a[4] = 0;
+ a[5] = 0;
+ a[6] = 0;
+ a[7] = 0;
+ return readnums(m, 4, a, 0);
}
char*
@@ -665,10 +704,6 @@
m->swapfd = open(buf, OREAD);
if(loadbuf(m, &m->swapfd) && readswap(m, a))
memmove(m->devswap, a, sizeof m->devswap);
- else{- m->devswap[Maxswap] = 100;
- m->devswap[Maxmem] = 100;
- }
snprint(buf, sizeof buf, "%s/dev/sysstat", mpt);
m->statsfd = open(buf, OREAD);
@@ -726,7 +761,7 @@
int
needswap(int init)
{- return init | present[Mmem] | present[Mswap];
+ return init | present[Mmem] | present[Mswap] | present[Mkern] | present[Mdraw];
}
@@ -823,6 +858,8 @@
{*v = m->devswap[Mem];
*vmax = m->devswap[Maxmem];
+ if(*vmax == 0)
+ *vmax = 1;
}
void
@@ -830,9 +867,29 @@
{*v = m->devswap[Swap];
*vmax = m->devswap[Maxswap];
+ if(*vmax == 0)
+ *vmax = 1;
}
void
+kernval(Machine *m, uvlong *v, uvlong *vmax, int)
+{+ *v = m->devswap[Kern];
+ *vmax = m->devswap[Maxkern];
+ if(*vmax == 0)
+ *vmax = 1;
+}
+
+void
+drawval(Machine *m, uvlong *v, uvlong *vmax, int)
+{+ *v = m->devswap[Draw];
+ *vmax = m->devswap[Maxdraw];
+ if(*vmax == 0)
+ *vmax = 1;
+}
+
+void
contextval(Machine *m, uvlong *v, uvlong *vmax, int init)
{*v = (m->devsysstat[Context]-m->prevsysstat[Context])&0xffffffff;
@@ -1090,6 +1147,8 @@
uvlong v, vmax;
g->newvalue(g->mach, &v, &vmax, 1);
+ if(vmax == 0)
+ vmax = 1;
if(logscale){for(j=1; j<=2; j++)
sprint(strs[j-1], "%g", scale*pow(10., j)*(double)vmax/100.);
@@ -1403,6 +1462,12 @@
break;
case 'w':
addgraph(Mswap);
+ break;
+ case 'k':
+ addgraph(Mkern);
+ break;
+ case 'd':
+ addgraph(Mdraw);
break;
case 'z':
addgraph(Mtemp);