1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include "dat.h"
5
6 void xapm(int);
7 void xloadavg(int);
8 void xmeminfo(int);
9 void xnet(int);
10 void xstat(int);
11 void xvmstat(int);
12 void xwireless(int);
13
14 void (*statfn[])(int) =
15 {
16 xapm,
17 xloadavg,
18 xmeminfo,
19 xnet,
20 xstat,
21 xvmstat,
22 xwireless,
23 0
24 };
25
26 void
xapm(int first)27 xapm(int first)
28 {
29 static int fd = -1;
30 int curr = -1;
31
32 if(first){
33 fd = open("/sys/class/power_supply/BAT0/capacity", OREAD);
34 return;
35 }
36 if(fd == -1)
37 return;
38
39 readfile(fd);
40 tokens(0);
41 curr = atoi(tok[0]);
42
43 if(curr != -1)
44 Bprint(&bout, "battery =%d 100\n", curr);
45
46 }
47
48 void
xloadavg(int first)49 xloadavg(int first)
50 {
51 static int fd = -1;
52
53 if(first){
54 fd = open("/proc/loadavg", OREAD);
55 return;
56 }
57
58 readfile(fd);
59 tokens(0);
60 if(ntok >= 1)
61 Bprint(&bout, "load =%d 1000\n", (int)(atof(tok[0])*1000));
62 }
63
64 void
xmeminfo(int first)65 xmeminfo(int first)
66 {
67 int i;
68 vlong tot, used;
69 vlong mtot, mfree;
70 vlong stot, sfree;
71 static int fd = -1;
72
73 if(first){
74 fd = open("/proc/meminfo", OREAD);
75 return;
76 }
77
78 readfile(fd);
79 mtot = 0;
80 stot = 0;
81 mfree = 0;
82 sfree = 0;
83 for(i=0; i<nline; i++){
84 tokens(i);
85 if(ntok < 3)
86 continue;
87 tot = atoll(tok[1]);
88 used = atoll(tok[2]);
89 if(strcmp(tok[0], "Mem:") == 0)
90 Bprint(&bout, "mem =%lld %lld\n", used/1024, tot/1024);
91 else if(strcmp(tok[0], "Swap:") == 0)
92 Bprint(&bout, "swap =%lld %lld\n", used/1024, tot/1024);
93 else if(strcmp(tok[0], "MemTotal:") == 0)
94 mtot = atoll(tok[1]); /* kb */
95 else if(strcmp(tok[0], "MemFree:") == 0)
96 mfree += atoll(tok[1]);
97 else if(strcmp(tok[0], "Buffers:") == 0)
98 mfree += atoll(tok[1]);
99 else if(strcmp(tok[0], "Cached:") == 0){
100 mfree += atoll(tok[1]);
101 if(mtot < mfree)
102 continue;
103 Bprint(&bout, "mem =%lld %lld\n", mtot-mfree, mtot);
104 }else if(strcmp(tok[0], "SwapTotal:") == 0)
105 stot = atoll(tok[1]); /* kb */
106 else if(strcmp(tok[0], "SwapFree:") == 0){
107 sfree = atoll(tok[1]);
108 if(stot < sfree)
109 continue;
110 Bprint(&bout, "swap =%lld %lld\n", stot-sfree, stot);
111 }
112 }
113 }
114
115 void
xnet(int first)116 xnet(int first)
117 {
118 int i, n;
119 vlong totb, totp, tote, totin, totou, totinb, totoub, b, p, e, in, ou, inb, oub;
120 char *q;
121 static int fd = -1;
122
123 if(first){
124 fd = open("/proc/net/dev", OREAD);
125 return;
126 }
127
128 readfile(fd);
129 n = 0;
130 totb = 0;
131 tote = 0;
132 totp = 0;
133 totin = 0;
134 totou = 0;
135 totinb = 0;
136 totoub = 0;
137 for(i=0; i<nline; i++){
138 if((q = strchr(line[i], ':')) != nil)
139 *q = ' ';
140 tokens(i);
141 if(ntok < 8+8)
142 continue;
143 if(strncmp(tok[0], "eth", 3) != 0 && strncmp(tok[0], "wlan", 4) != 0)
144 continue;
145 inb = atoll(tok[1]);
146 oub = atoll(tok[9]);
147 in = atoll(tok[2]);
148 ou = atoll(tok[10]);
149 b = inb+oub;
150 p = in+ou;
151 e = atoll(tok[3])+atoll(tok[11]);
152 totb += b;
153 totp += p;
154 tote += e;
155 totin += in;
156 totou += ou;
157 totinb += inb;
158 totoub += oub;
159 n++;
160 }
161 Bprint(&bout, "etherb %lld %d\n", totb, n*1000000);
162 Bprint(&bout, "ether %lld %d\n", totp, n*1000);
163 Bprint(&bout, "ethererr %lld %d\n", tote, n*1000);
164 Bprint(&bout, "etherin %lld %d\n", totin, n*1000);
165 Bprint(&bout, "etherout %lld %d\n", totou, n*1000);
166 Bprint(&bout, "etherinb %lld %d\n", totinb, n*1000);
167 Bprint(&bout, "etheroutb %lld %d\n", totoub, n*1000);
168 }
169
170 void
xstat(int first)171 xstat(int first)
172 {
173 static int fd = -1;
174 int i;
175
176 if(first){
177 fd = open("/proc/stat", OREAD);
178 return;
179 }
180
181 readfile(fd);
182 for(i=0; i<nline; i++){
183 tokens(i);
184 if(ntok < 2)
185 continue;
186 if(strcmp(tok[0], "cpu") == 0 && ntok >= 5){
187 Bprint(&bout, "user %lld 100\n", atoll(tok[1]));
188 Bprint(&bout, "sys %lld 100\n", atoll(tok[3]));
189 Bprint(&bout, "cpu %lld 100\n", atoll(tok[1])+atoll(tok[3]));
190 Bprint(&bout, "idle %lld 100\n", atoll(tok[4]));
191 }
192 /*
193 if(strcmp(tok[0], "page") == 0 && ntok >= 3){
194 Bprint(&bout, "pagein %lld 500\n", atoll(tok[1]));
195 Bprint(&bout, "pageout %lld 500\n", atoll(tok[2]));
196 Bprint(&bout, "page %lld 1000\n", atoll(tok[1])+atoll(tok[2]));
197 }
198 if(strcmp(tok[0], "swap") == 0 && ntok >= 3){
199 Bprint(&bout, "swapin %lld 500\n", atoll(tok[1]));
200 Bprint(&bout, "swapout %lld 500\n", atoll(tok[2]));
201 Bprint(&bout, "swap %lld 1000\n", atoll(tok[1])+atoll(tok[2]));
202 }
203 */
204 if(strcmp(tok[0], "intr") == 0)
205 Bprint(&bout, "intr %lld 1000\n", atoll(tok[1]));
206 if(strcmp(tok[0], "ctxt") == 0)
207 Bprint(&bout, "context %lld 10000\n", atoll(tok[1]));
208 if(strcmp(tok[0], "processes") == 0)
209 Bprint(&bout, "fork %lld 1000\n", atoll(tok[1]));
210 }
211 }
212
213 void
xvmstat(int first)214 xvmstat(int first)
215 {
216 static int fd = -1;
217 int i;
218
219 if(first){
220 fd = open("/proc/vmstat", OREAD);
221 return;
222 }
223
224 readfile(fd);
225 for(i=0; i<nline; i++){
226 tokens(i);
227 if(ntok < 2)
228 continue;
229 if(strcmp(tok[0], "pgfault") == 0)
230 Bprint(&bout, "fault %lld 100000\n", atoll(tok[1]));
231 }
232 }
233
234 void
xwireless(int first)235 xwireless(int first)
236 {
237 static int fd = -1;
238 int i;
239
240 if(first){
241 fd = open("/proc/net/wireless", OREAD);
242 return;
243 }
244
245 readfile(fd);
246 for(i=0; i<nline; i++){
247 tokens(i);
248 if(ntok < 3)
249 continue;
250 if(strcmp(tok[0], "wlan0:") == 0)
251 Bprint(&bout, "802.11 =%lld 100\n", atoll(tok[2]));
252 }
253 }
254