From f0f4401f0cfc654646bdf21849627ebcbd5d82b5 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Fri, 23 Apr 2004 05:12:11 +0000
Subject: stats helper

---
 src/cmd/auxstats/Linux.c | 177 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 src/cmd/auxstats/Linux.c

(limited to 'src/cmd/auxstats/Linux.c')

diff --git a/src/cmd/auxstats/Linux.c b/src/cmd/auxstats/Linux.c
new file mode 100644
index 00000000..06e9d422
--- /dev/null
+++ b/src/cmd/auxstats/Linux.c
@@ -0,0 +1,177 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include "dat.h"
+
+void xapm(int);
+void xloadavg(int);
+void xmeminfo(int);
+void xnet(int);
+void xstat(int);
+
+void (*statfn[])(int) =
+{
+	xapm,
+	xloadavg,
+	xmeminfo,
+	xnet,
+	xstat,
+	0
+};
+
+void
+xapm(int first)
+{
+	static int fd = -1;
+
+	if(first){
+		fd = open("/proc/apm", OREAD);
+		return;
+	}
+	readfile(fd);
+	tokens(0);
+	if(ntok >= 7 && atoi(tok[6]) != -1)
+		Bprint(&bout, "battery =%d 100\n", atoi(tok[6]));
+}
+	
+void
+xloadavg(int first)
+{
+	static int fd = -1;
+
+	if(first){
+		fd = open("/proc/loadavg", OREAD);
+		return;
+	}
+
+	readfile(fd);
+	tokens(0);
+	if(ntok >= 1)
+		Bprint(&bout, "load =%d 1000\n", (int)(atof(tok[0])*1000));
+}
+
+void
+xmeminfo(int first)
+{
+	int i;
+	vlong tot, used;
+	static int fd = -1;
+
+	if(first){
+		fd = open("/proc/meminfo", OREAD);
+		return;
+	}
+
+	readfile(fd);
+	for(i=0; i<nline; i++){
+		tokens(i);
+		if(ntok < 4)
+			continue;
+		tot = atoll(tok[1]);
+		used = atoll(tok[2]);
+		if(strcmp(tok[0], "Mem:") == 0)
+			Bprint(&bout, "mem =%lld %lld\n", used/1024, tot/1024);
+		else if(strcmp(tok[0], "Swap:") == 0)
+			Bprint(&bout, "swap =%lld %lld\n", used/1024, tot/1024);
+	}
+}
+
+void
+xnet(int first)
+{
+	int i, n;
+	vlong totb, totp, tote, totin, totou, totinb, totoub, b, p, e, in, ou, inb, oub;
+	char *q;
+	static int fd = -1;
+
+	if(first){
+		fd = open("/proc/net/dev", OREAD);
+		return;
+	}
+
+	readfile(fd);
+	n = 0;
+	totb = 0;
+	tote = 0;
+	totp = 0;
+	totin = 0;
+	totou = 0;
+	totinb = 0;
+	totoub = 0;
+	for(i=0; i<nline; i++){
+		tokens(i);
+		if(ntok < 8+8)
+			continue;
+		if(strncmp(tok[0], "eth", 3) != 0)
+			continue;
+		q = strchr(tok[0], ':');
+		*q++ = 0;
+		tok[0] = q;
+		inb = atoll(tok[0]);
+		oub = atoll(tok[8]);
+		in = atoll(tok[1]);
+		ou = atoll(tok[9]);
+		b = inb+oub;
+		p = in+ou;
+		e = atoll(tok[2])+atoll(tok[10]);
+		totb += b;
+		totp += p;
+		tote += e;
+		totin += in;
+		totou += ou;
+		totinb += inb;
+		totoub += oub;
+		n++;
+	}
+	Bprint(&bout, "etherb %lld %d\n", totb, n*1000000);
+	Bprint(&bout, "ether %lld %d\n", totp, n*1000);
+	Bprint(&bout, "ethererr %lld %d\n", tote, n*1000);
+	Bprint(&bout, "etherin %lld %d\n", totin, n*1000);
+	Bprint(&bout, "etherout %lld %d\n", totou, n*1000);
+	Bprint(&bout, "etherinb %lld %d\n", totinb, n*1000);
+	Bprint(&bout, "etheroutb %lld %d\n", totoub, n*1000);
+}
+
+void
+xstat(int first)
+{
+	static int fd = -1;
+	int i;
+
+	if(first){
+		fd = open("/proc/stat", OREAD);
+		return;
+	}
+
+	readfile(fd);
+	for(i=0; i<nline; i++){
+		tokens(i);
+		if(ntok < 2)
+			continue;
+		if(strcmp(tok[0], "cpu") == 0 && ntok >= 5){
+			Bprint(&bout, "user %lld 100\n", atoll(tok[1]));
+			Bprint(&bout, "sys %lld 100\n", atoll(tok[3]));
+			Bprint(&bout, "cpu %lld 100\n", atoll(tok[1])+atoll(tok[3]));
+			Bprint(&bout, "idle %lld\n", atoll(tok[4]));
+		}
+	/*
+		if(strcmp(tok[0], "page") == 0 && ntok >= 3){
+			Bprint(&bout, "pagein %lld 500\n", atoll(tok[1]));
+			Bprint(&bout, "pageout %lld 500\n", atoll(tok[2]));
+			Bprint(&bout, "page %lld 1000\n", atoll(tok[1])+atoll(tok[2]));
+		}
+		if(strcmp(tok[0], "swap") == 0 && ntok >= 3){
+			Bprint(&bout, "swapin %lld 500\n", atoll(tok[1]));
+			Bprint(&bout, "swapout %lld 500\n", atoll(tok[2]));
+			Bprint(&bout, "swap %lld 1000\n", atoll(tok[1])+atoll(tok[2]));
+		}
+	*/
+		if(strcmp(tok[0], "intr") == 0)
+			Bprint(&bout, "interrupt %lld 1000\n", atoll(tok[1]));
+		if(strcmp(tok[0], "ctxt") == 0)
+			Bprint(&bout, "context %lld 1000\n", atoll(tok[1]));
+		if(strcmp(tok[0], "processes") == 0)
+			Bprint(&bout, "fork %lld 1000\n", atoll(tok[1]));
+	}
+}
+
-- 
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