1 c440ada7 2024-01-04 benni /*
  2 c440ada7 2024-01-04 benni  * Copyright (c) 2024 Benjamin Stürz <benni@stuerz.xyz>
  3 c440ada7 2024-01-04 benni  *
  4 c440ada7 2024-01-04 benni  * Permission to use, copy, modify, and distribute this software for any
  5 c440ada7 2024-01-04 benni  * purpose with or without fee is hereby granted, provided that the above
  6 c440ada7 2024-01-04 benni  * copyright notice and this permission notice appear in all copies.
  7 c440ada7 2024-01-04 benni  *
  8 c440ada7 2024-01-04 benni  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 c440ada7 2024-01-04 benni  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 c440ada7 2024-01-04 benni  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 c440ada7 2024-01-04 benni  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 c440ada7 2024-01-04 benni  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 c440ada7 2024-01-04 benni  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 c440ada7 2024-01-04 benni  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 c440ada7 2024-01-04 benni  */
 16 8f16cb3e 2024-01-04 benni #include <sys/types.h>
 17 8f16cb3e 2024-01-04 benni #include <machine/apmvar.h>
 18 8f16cb3e 2024-01-04 benni #include <sys/signal.h>
 19 8f16cb3e 2024-01-04 benni #include <sys/sched.h>
 20 8f16cb3e 2024-01-04 benni #include <sys/sysctl.h>
 21 8f16cb3e 2024-01-04 benni #include <sys/ioctl.h>
 22 8f16cb3e 2024-01-04 benni #include <sys/sensors.h>
 23 c440ada7 2024-01-04 benni 
 24 8f16cb3e 2024-01-04 benni #include <stdbool.h>
 25 8f16cb3e 2024-01-04 benni #include <ncurses.h>
 26 8f16cb3e 2024-01-04 benni #include <locale.h>
 27 8f16cb3e 2024-01-04 benni #include <limits.h>
 28 8f16cb3e 2024-01-04 benni #include <unistd.h>
 29 8f16cb3e 2024-01-04 benni #include <string.h>
 30 8f16cb3e 2024-01-04 benni #include <stdint.h>
 31 8f16cb3e 2024-01-04 benni #include <stdlib.h>
 32 8f16cb3e 2024-01-04 benni #include <stdio.h>
 33 8f16cb3e 2024-01-04 benni #include <fcntl.h>
 34 8f16cb3e 2024-01-04 benni #include <time.h>
 35 8f16cb3e 2024-01-04 benni #include <err.h>
 36 8f16cb3e 2024-01-04 benni 
 37 8f16cb3e 2024-01-04 benni #define MAXSENSORS 16
 38 8f16cb3e 2024-01-04 benni #define LOGLEN 512
 39 8f16cb3e 2024-01-04 benni #define MIN(a, b) ((a) < (b) ? (a) : (b))
 40 8f16cb3e 2024-01-04 benni 
 41 8f16cb3e 2024-01-04 benni static int power_sensors[MAXSENSORS];
 42 8f16cb3e 2024-01-04 benni static int cputemp_sensor = -1;
 43 8f16cb3e 2024-01-04 benni static int num_power_sensors = 0;
 44 8f16cb3e 2024-01-04 benni static int entries = 0;
 45 8f16cb3e 2024-01-04 benni 
 46 8f16cb3e 2024-01-04 benni enum {
 47 8f16cb3e 2024-01-04 benni 	G_CPUUSAGE,
 48 8f16cb3e 2024-01-04 benni 	G_CPUSPEED,
 49 8f16cb3e 2024-01-04 benni 	G_CPUTEMP,
 50 8f16cb3e 2024-01-04 benni 	G_BATTERY,
 51 8f16cb3e 2024-01-04 benni 	G_POWER,
 52 8f16cb3e 2024-01-04 benni 	NGRAPH,
 53 8f16cb3e 2024-01-04 benni };
 54 8f16cb3e 2024-01-04 benni 
 55 8f16cb3e 2024-01-04 benni struct graph {
 56 8f16cb3e 2024-01-04 benni 	WINDOW *win;
 57 8f16cb3e 2024-01-04 benni 	int log[LOGLEN];
 58 8f16cb3e 2024-01-04 benni 	bool hide;
 59 8f16cb3e 2024-01-04 benni };
 60 8f16cb3e 2024-01-04 benni 
 61 8f16cb3e 2024-01-04 benni struct display {
 62 8f16cb3e 2024-01-04 benni 	struct graph g[NGRAPH];
 63 8f16cb3e 2024-01-04 benni 
 64 8f16cb3e 2024-01-04 benni 	struct cpu_usage *cpus;
 65 8f16cb3e 2024-01-04 benni 	int fd_apm, ncpu;
 66 8f16cb3e 2024-01-04 benni 	int ngraph;
 67 8f16cb3e 2024-01-04 benni 	int width;
 68 8f16cb3e 2024-01-04 benni 	int delay;
 69 8f16cb3e 2024-01-04 benni 	bool running;
 70 8f16cb3e 2024-01-04 benni };
 71 8f16cb3e 2024-01-04 benni 
 72 8f16cb3e 2024-01-04 benni struct cpu_usage {
 73 8f16cb3e 2024-01-04 benni 	struct cpustats new;
 74 8f16cb3e 2024-01-04 benni 	struct cpustats old;
 75 8f16cb3e 2024-01-04 benni 	struct cpustats diffs;
 76 8f16cb3e 2024-01-04 benni };
 77 8f16cb3e 2024-01-04 benni 
 78 8f16cb3e 2024-01-04 benni static void
 79 8f16cb3e 2024-01-04 benni find_sensors (void)
 80 8f16cb3e 2024-01-04 benni {
 81 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < MAXSENSORS; ++i) {
 82 8f16cb3e 2024-01-04 benni 		const int mib[3] = { CTL_HW, HW_SENSORS, i };
 83 8f16cb3e 2024-01-04 benni 		struct sensordev dev;
 84 8f16cb3e 2024-01-04 benni 		size_t sdlen = sizeof dev;
 85 8f16cb3e 2024-01-04 benni 
 86 8f16cb3e 2024-01-04 benni 		if (sysctl (mib, 3, &dev, &sdlen, NULL, 0) == -1)
 87 8f16cb3e 2024-01-04 benni 			continue;
 88 8f16cb3e 2024-01-04 benni 
 89 8f16cb3e 2024-01-04 benni 		if (dev.maxnumt[SENSOR_WATTS] > 0) {
 90 8f16cb3e 2024-01-04 benni 			power_sensors[num_power_sensors++] = i;
 91 8f16cb3e 2024-01-04 benni 		}
 92 8f16cb3e 2024-01-04 benni 
 93 8f16cb3e 2024-01-04 benni 		if (dev.maxnumt[SENSOR_TEMP] > 0
 94 8f16cb3e 2024-01-04 benni 		&& memcmp (dev.xname, "cpu", 3) == 0
 95 8f16cb3e 2024-01-04 benni 		&& cputemp_sensor == -1) {
 96 8f16cb3e 2024-01-04 benni 			cputemp_sensor = i;
 97 8f16cb3e 2024-01-04 benni 		}
 98 8f16cb3e 2024-01-04 benni 	}
 99 8f16cb3e 2024-01-04 benni }
100 8f16cb3e 2024-01-04 benni 
101 8f16cb3e 2024-01-04 benni static int
102 8f16cb3e 2024-01-04 benni num_cpu (void)
103 8f16cb3e 2024-01-04 benni {
104 8f16cb3e 2024-01-04 benni 	const int mib[] = { CTL_HW, HW_NCPU };
105 8f16cb3e 2024-01-04 benni 	int ncpu = 0;
106 8f16cb3e 2024-01-04 benni 	size_t size = sizeof ncpu;
107 8f16cb3e 2024-01-04 benni 	
108 8f16cb3e 2024-01-04 benni 	if (sysctl (mib, 2, &ncpu, &size, NULL, 0) < 0)
109 8f16cb3e 2024-01-04 benni 		return 1;
110 8f16cb3e 2024-01-04 benni 
111 8f16cb3e 2024-01-04 benni 	return ncpu;
112 8f16cb3e 2024-01-04 benni }
113 8f16cb3e 2024-01-04 benni 
114 8f16cb3e 2024-01-04 benni static int64_t
115 8f16cb3e 2024-01-04 benni percentages (struct cpustats *out, struct cpu_usage *cpu)
116 8f16cb3e 2024-01-04 benni {
117 8f16cb3e 2024-01-04 benni 	int64_t total_change = 0;
118 8f16cb3e 2024-01-04 benni 
119 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < 6; ++i) {
120 8f16cb3e 2024-01-04 benni 		int64_t change = cpu->new.cs_time[i] - cpu->old.cs_time[i];
121 8f16cb3e 2024-01-04 benni 		if (change < 0)
122 8f16cb3e 2024-01-04 benni 			change = INT64_MAX - cpu->old.cs_time[i] - cpu->new.cs_time[i];
123 8f16cb3e 2024-01-04 benni 
124 8f16cb3e 2024-01-04 benni 		cpu->diffs.cs_time[i] = change;
125 8f16cb3e 2024-01-04 benni 		total_change += change;
126 8f16cb3e 2024-01-04 benni 		cpu->old.cs_time[i] = cpu->new.cs_time[i];
127 8f16cb3e 2024-01-04 benni 	}
128 8f16cb3e 2024-01-04 benni 
129 8f16cb3e 2024-01-04 benni 	if (total_change == 0)
130 8f16cb3e 2024-01-04 benni 		total_change = 1;
131 8f16cb3e 2024-01-04 benni 	
132 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < 6; ++i) {
133 8f16cb3e 2024-01-04 benni 		out->cs_time[i] = (cpu->diffs.cs_time[i] * 1000 + total_change / 2) / total_change;
134 8f16cb3e 2024-01-04 benni 	}
135 8f16cb3e 2024-01-04 benni 
136 8f16cb3e 2024-01-04 benni 	return total_change;
137 8f16cb3e 2024-01-04 benni }
138 8f16cb3e 2024-01-04 benni 
139 8f16cb3e 2024-01-04 benni static int
140 8f16cb3e 2024-01-04 benni cpuspeed (void)
141 8f16cb3e 2024-01-04 benni {
142 8f16cb3e 2024-01-04 benni 	const int mib[2] = { CTL_HW, HW_CPUSPEED };
143 8f16cb3e 2024-01-04 benni 	int speed;
144 8f16cb3e 2024-01-04 benni 	size_t len = sizeof speed;
145 8f16cb3e 2024-01-04 benni 
146 8f16cb3e 2024-01-04 benni 	if (sysctl (mib, 2, &speed, &len, NULL, 0) == -1)
147 8f16cb3e 2024-01-04 benni 		return -1;
148 8f16cb3e 2024-01-04 benni 
149 8f16cb3e 2024-01-04 benni 	return speed;
150 8f16cb3e 2024-01-04 benni }
151 8f16cb3e 2024-01-04 benni 
152 8f16cb3e 2024-01-04 benni static int
153 8f16cb3e 2024-01-04 benni cputemp (void)
154 8f16cb3e 2024-01-04 benni {
155 8f16cb3e 2024-01-04 benni 	const int mib[5] = { CTL_HW, HW_SENSORS, cputemp_sensor, SENSOR_TEMP, 0 };
156 8f16cb3e 2024-01-04 benni 	struct sensor sensor;
157 8f16cb3e 2024-01-04 benni 	size_t len = sizeof sensor;
158 8f16cb3e 2024-01-04 benni 	int ret;
159 8f16cb3e 2024-01-04 benni 
160 8f16cb3e 2024-01-04 benni 	ret = sysctl (mib, 5, &sensor, &len, NULL, 0);
161 8f16cb3e 2024-01-04 benni 
162 8f16cb3e 2024-01-04 benni 	return (ret == -1 || sensor.status & SENSOR_FINVALID) ? -1 : sensor.value / 10000000;
163 8f16cb3e 2024-01-04 benni }
164 8f16cb3e 2024-01-04 benni 
165 8f16cb3e 2024-01-04 benni static int
166 8f16cb3e 2024-01-04 benni cpu (int ncpu, struct cpu_usage *cpus)
167 8f16cb3e 2024-01-04 benni {
168 8f16cb3e 2024-01-04 benni 	uint64_t sum = 0;
169 8f16cb3e 2024-01-04 benni 
170 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < ncpu; ++i) {
171 8f16cb3e 2024-01-04 benni 		const int mib[] = { CTL_KERN, KERN_CPUSTATS, i };
172 8f16cb3e 2024-01-04 benni 		struct cpustats tmp;
173 8f16cb3e 2024-01-04 benni 		size_t size = sizeof tmp;
174 8f16cb3e 2024-01-04 benni 
175 8f16cb3e 2024-01-04 benni 		if (sysctl (mib, 3, &cpus[i].new, &size, NULL, 0) < 0)
176 8f16cb3e 2024-01-04 benni 			continue;
177 8f16cb3e 2024-01-04 benni 
178 8f16cb3e 2024-01-04 benni 		percentages (&tmp, &cpus[i]);
179 8f16cb3e 2024-01-04 benni 		sum += 1000 - tmp.cs_time[5];
180 8f16cb3e 2024-01-04 benni 	}
181 8f16cb3e 2024-01-04 benni 
182 8f16cb3e 2024-01-04 benni 	return sum / ncpu / 10;
183 8f16cb3e 2024-01-04 benni }
184 8f16cb3e 2024-01-04 benni 
185 8f16cb3e 2024-01-04 benni static int
186 8f16cb3e 2024-01-04 benni bat (int fd)
187 8f16cb3e 2024-01-04 benni {
188 8f16cb3e 2024-01-04 benni 	struct apm_power_info info;
189 8f16cb3e 2024-01-04 benni 
190 8f16cb3e 2024-01-04 benni 	if (fd < 0 || ioctl (fd, APM_IOC_GETPOWER, &info) != 0)
191 8f16cb3e 2024-01-04 benni 		return 0;
192 8f16cb3e 2024-01-04 benni 
193 8f16cb3e 2024-01-04 benni 	return info.battery_life;
194 8f16cb3e 2024-01-04 benni }
195 8f16cb3e 2024-01-04 benni 
196 8f16cb3e 2024-01-04 benni static int
197 8f16cb3e 2024-01-04 benni power (void)
198 8f16cb3e 2024-01-04 benni {
199 8f16cb3e 2024-01-04 benni 	int64_t total = 0;
200 8f16cb3e 2024-01-04 benni 
201 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < num_power_sensors; ++i) {
202 8f16cb3e 2024-01-04 benni 		const int mib[5] = { CTL_HW, HW_SENSORS, power_sensors[i], SENSOR_WATTS, 0 };
203 8f16cb3e 2024-01-04 benni 		struct sensor sensor;
204 8f16cb3e 2024-01-04 benni 		size_t slen = sizeof sensor;
205 8f16cb3e 2024-01-04 benni 
206 8f16cb3e 2024-01-04 benni 		if (sysctl (mib, 5, &sensor, &slen, NULL, 0) == -1)
207 8f16cb3e 2024-01-04 benni 			continue;
208 8f16cb3e 2024-01-04 benni 
209 8f16cb3e 2024-01-04 benni 		if (sensor.flags & SENSOR_FINVALID)
210 8f16cb3e 2024-01-04 benni 			continue;
211 8f16cb3e 2024-01-04 benni 
212 8f16cb3e 2024-01-04 benni 		total += sensor.value;
213 8f16cb3e 2024-01-04 benni 	}
214 8f16cb3e 2024-01-04 benni 
215 8f16cb3e 2024-01-04 benni 	return total / 1000;
216 8f16cb3e 2024-01-04 benni }
217 8f16cb3e 2024-01-04 benni 
218 8f16cb3e 2024-01-04 benni static void
219 8f16cb3e 2024-01-04 benni create_win (struct display *dpy)
220 8f16cb3e 2024-01-04 benni {
221 8f16cb3e 2024-01-04 benni 	int j = 0, w, h, wh;
222 8f16cb3e 2024-01-04 benni 
223 8f16cb3e 2024-01-04 benni 	dpy->ngraph = 0;
224 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < NGRAPH; ++i) {
225 8f16cb3e 2024-01-04 benni 		if (!dpy->g[i].hide)
226 8f16cb3e 2024-01-04 benni 			++dpy->ngraph;
227 8f16cb3e 2024-01-04 benni 	}
228 8f16cb3e 2024-01-04 benni 
229 8f16cb3e 2024-01-04 benni 	getmaxyx (stdscr, h, w);
230 8f16cb3e 2024-01-04 benni 	dpy->width = MIN (w - 2, LOGLEN);
231 8f16cb3e 2024-01-04 benni 	--h;
232 8f16cb3e 2024-01-04 benni 	wh = h / dpy->ngraph;
233 8f16cb3e 2024-01-04 benni 
234 8f16cb3e 2024-01-04 benni 	if (entries > dpy->width) {
235 8f16cb3e 2024-01-04 benni 		const int diff = entries - dpy->width;
236 8f16cb3e 2024-01-04 benni 		for (int i = 0; i < NGRAPH; ++i) {
237 8f16cb3e 2024-01-04 benni 			struct graph *g = &dpy->g[i];
238 8f16cb3e 2024-01-04 benni 			memmove (g->log, g->log + diff, dpy->width * sizeof (g->log[0]));
239 8f16cb3e 2024-01-04 benni 		}
240 8f16cb3e 2024-01-04 benni 		entries = dpy->width;
241 8f16cb3e 2024-01-04 benni 	}
242 8f16cb3e 2024-01-04 benni 
243 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < NGRAPH; ++i) {
244 8f16cb3e 2024-01-04 benni 		struct graph *g = &dpy->g[i];
245 8f16cb3e 2024-01-04 benni 		if (g->win != NULL)
246 8f16cb3e 2024-01-04 benni 			delwin (g->win);
247 8f16cb3e 2024-01-04 benni 		g->win = g->hide ? NULL : newwin (wh, w, 1 + wh * j++, 0);
248 8f16cb3e 2024-01-04 benni 	}
249 8f16cb3e 2024-01-04 benni }
250 8f16cb3e 2024-01-04 benni 
251 8f16cb3e 2024-01-04 benni static void
252 8f16cb3e 2024-01-04 benni draw_graph (struct graph *g, const char *fmt, int min, int max)
253 8f16cb3e 2024-01-04 benni {
254 8f16cb3e 2024-01-04 benni 	int w, h;
255 8f16cb3e 2024-01-04 benni 
256 8f16cb3e 2024-01-04 benni 	if (g->hide || g->win == NULL)
257 8f16cb3e 2024-01-04 benni 		return;
258 8f16cb3e 2024-01-04 benni 
259 8f16cb3e 2024-01-04 benni 	getmaxyx (g->win, h, w);
260 8f16cb3e 2024-01-04 benni 	w -= 2;
261 8f16cb3e 2024-01-04 benni 	h -= 3;
262 8f16cb3e 2024-01-04 benni 
263 8f16cb3e 2024-01-04 benni 	wclear (g->win);
264 8f16cb3e 2024-01-04 benni 
265 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < entries; ++i) {
266 8f16cb3e 2024-01-04 benni 		int v = g->log[i];
267 8f16cb3e 2024-01-04 benni 		if (v < min)
268 8f16cb3e 2024-01-04 benni 			min = v;
269 8f16cb3e 2024-01-04 benni 		if (v > max)
270 8f16cb3e 2024-01-04 benni 			max = v;
271 8f16cb3e 2024-01-04 benni 	}
272 8f16cb3e 2024-01-04 benni 
273 8f16cb3e 2024-01-04 benni 	if (min < max) {
274 8f16cb3e 2024-01-04 benni 		for (int i = 0; i < entries; ++i) {
275 8f16cb3e 2024-01-04 benni 			int v = g->log[i];
276 8f16cb3e 2024-01-04 benni 			int y = (int)((float)(v - min) / (max - min) * h);
277 8f16cb3e 2024-01-04 benni 			mvwaddch (g->win, h - y + 1, i + 1, 'X');
278 8f16cb3e 2024-01-04 benni 		}
279 8f16cb3e 2024-01-04 benni 	}
280 8f16cb3e 2024-01-04 benni 
281 8f16cb3e 2024-01-04 benni 	box (g->win, 0, 0);
282 8f16cb3e 2024-01-04 benni 
283 8f16cb3e 2024-01-04 benni 	mvwprintw (g->win, 0, 3, fmt, g->log[entries - 1]);
284 8f16cb3e 2024-01-04 benni 	wprintw (g->win, " (min: %d/max: %d)", min, max);
285 8f16cb3e 2024-01-04 benni 
286 8f16cb3e 2024-01-04 benni }
287 8f16cb3e 2024-01-04 benni 
288 8f16cb3e 2024-01-04 benni static void
289 8f16cb3e 2024-01-04 benni draw (struct display *dpy)
290 8f16cb3e 2024-01-04 benni {
291 8f16cb3e 2024-01-04 benni 	clear ();
292 8f16cb3e 2024-01-04 benni 
293 8f16cb3e 2024-01-04 benni 	draw_graph (&dpy->g[G_CPUUSAGE],	"CPU: %d%%",	0, 100);
294 8f16cb3e 2024-01-04 benni 	draw_graph (&dpy->g[G_CPUTEMP],		"CPU.: %d C",	0, 100);
295 8f16cb3e 2024-01-04 benni 	draw_graph (&dpy->g[G_CPUSPEED],	"CPU: %d MHz",	INT_MAX, INT_MIN);
296 8f16cb3e 2024-01-04 benni 	draw_graph (&dpy->g[G_BATTERY],		"BAT: %d%%",	0, 100);
297 8f16cb3e 2024-01-04 benni 	draw_graph (&dpy->g[G_POWER],		"PWR: %dmW",	INT_MAX, INT_MIN);
298 8f16cb3e 2024-01-04 benni 	
299 8f16cb3e 2024-01-04 benni 	mvprintw (0, 0, "Panels: ");
300 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < NGRAPH; ++i) {
301 8f16cb3e 2024-01-04 benni 		addch (dpy->g[i].hide ? ' ' : ('1' + i));
302 8f16cb3e 2024-01-04 benni 	}
303 8f16cb3e 2024-01-04 benni 
304 8f16cb3e 2024-01-04 benni 	printw (" %c delay=%d", dpy->running ? 'R' : 'S', dpy->delay);
305 8f16cb3e 2024-01-04 benni 
306 8f16cb3e 2024-01-04 benni 	refresh ();
307 8f16cb3e 2024-01-04 benni 	for (int i = 0; i < NGRAPH; ++i)
308 8f16cb3e 2024-01-04 benni 		wnoutrefresh (dpy->g[i].win);
309 8f16cb3e 2024-01-04 benni 	doupdate ();
310 8f16cb3e 2024-01-04 benni 	move (0, 0);
311 8f16cb3e 2024-01-04 benni 
312 8f16cb3e 2024-01-04 benni }
313 8f16cb3e 2024-01-04 benni 
314 8f16cb3e 2024-01-04 benni static void
315 8f16cb3e 2024-01-04 benni update_graph (int w, struct graph *g, int value)
316 8f16cb3e 2024-01-04 benni {
317 8f16cb3e 2024-01-04 benni 	if (entries == w) {
318 8f16cb3e 2024-01-04 benni 		memmove (g->log, g->log + 1, (LOGLEN - 1) * sizeof (g->log[0]));
319 8f16cb3e 2024-01-04 benni 		g->log[entries - 1] = value;
320 8f16cb3e 2024-01-04 benni 	} else {
321 8f16cb3e 2024-01-04 benni 		g->log[entries] = value;
322 8f16cb3e 2024-01-04 benni 	}
323 8f16cb3e 2024-01-04 benni 	fprintf (stderr, "entries=%d, w=%d, value=%d\n", entries, w, value);
324 8f16cb3e 2024-01-04 benni }
325 8f16cb3e 2024-01-04 benni 
326 8f16cb3e 2024-01-04 benni static void
327 8f16cb3e 2024-01-04 benni update (struct display *dpy)
328 8f16cb3e 2024-01-04 benni {
329 8f16cb3e 2024-01-04 benni 	int w = dpy->width;
330 8f16cb3e 2024-01-04 benni 
331 8f16cb3e 2024-01-04 benni 	update_graph (w, &dpy->g[G_CPUUSAGE],	cpu (dpy->ncpu, dpy->cpus));
332 8f16cb3e 2024-01-04 benni 	update_graph (w, &dpy->g[G_CPUTEMP],	cputemp ());
333 8f16cb3e 2024-01-04 benni 	update_graph (w, &dpy->g[G_CPUSPEED],	cpuspeed ());
334 8f16cb3e 2024-01-04 benni 	update_graph (w, &dpy->g[G_BATTERY],	bat (dpy->fd_apm));
335 8f16cb3e 2024-01-04 benni 	update_graph (w, &dpy->g[G_POWER],	power ());
336 8f16cb3e 2024-01-04 benni 
337 8f16cb3e 2024-01-04 benni 	entries++;
338 8f16cb3e 2024-01-04 benni 	if (entries > w)
339 8f16cb3e 2024-01-04 benni 		entries = w;
340 8f16cb3e 2024-01-04 benni }
341 8f16cb3e 2024-01-04 benni 
342 8f16cb3e 2024-01-04 benni int
343 8f16cb3e 2024-01-04 benni main (int argc, char *argv[])
344 8f16cb3e 2024-01-04 benni {
345 8f16cb3e 2024-01-04 benni 	struct display dpy;
346 8f16cb3e 2024-01-04 benni 
347 c440ada7 2024-01-04 benni 	// pledge(2) doesn't work, because apmtop(1) needs sysctl(2).
348 c440ada7 2024-01-04 benni 	unveil ("/usr/share/terminfo", "r");
349 c440ada7 2024-01-04 benni 	unveil (NULL, NULL);
350 c440ada7 2024-01-04 benni 
351 8f16cb3e 2024-01-04 benni 	memset (&dpy, 0, sizeof (dpy));
352 8f16cb3e 2024-01-04 benni 	dpy.ncpu = num_cpu ();
353 8f16cb3e 2024-01-04 benni 	dpy.cpus = calloc (dpy.ncpu, sizeof (struct cpu_usage));
354 8f16cb3e 2024-01-04 benni 	dpy.fd_apm = open ("/dev/apm", O_RDONLY);
355 8f16cb3e 2024-01-04 benni 	dpy.delay = 10;
356 8f16cb3e 2024-01-04 benni 	dpy.running = true;
357 8f16cb3e 2024-01-04 benni 	find_sensors ();
358 8f16cb3e 2024-01-04 benni 
359 8f16cb3e 2024-01-04 benni 	setlocale (LC_ALL, "");
360 8f16cb3e 2024-01-04 benni 	initscr ();
361 8f16cb3e 2024-01-04 benni 	cbreak ();
362 8f16cb3e 2024-01-04 benni 	noecho ();
363 8f16cb3e 2024-01-04 benni 	intrflush (stdscr, FALSE);
364 8f16cb3e 2024-01-04 benni 	keypad (stdscr, TRUE);
365 8f16cb3e 2024-01-04 benni 	halfdelay (dpy.delay);
366 8f16cb3e 2024-01-04 benni 
367 8f16cb3e 2024-01-04 benni 	entries = 0;
368 8f16cb3e 2024-01-04 benni 	create_win (&dpy);
369 8f16cb3e 2024-01-04 benni 	update (&dpy);
370 8f16cb3e 2024-01-04 benni 	draw (&dpy);
371 8f16cb3e 2024-01-04 benni 
372 8f16cb3e 2024-01-04 benni 	while (1) {
373 8f16cb3e 2024-01-04 benni 		struct graph *g;
374 8f16cb3e 2024-01-04 benni 		int ch;
375 8f16cb3e 2024-01-04 benni 	       
376 8f16cb3e 2024-01-04 benni 		ch = getch ();
377 8f16cb3e 2024-01-04 benni 
378 8f16cb3e 2024-01-04 benni 		switch (ch) {
379 8f16cb3e 2024-01-04 benni 		case 'q':
380 8f16cb3e 2024-01-04 benni 			goto done;
381 8f16cb3e 2024-01-04 benni 		case KEY_RESIZE:
382 8f16cb3e 2024-01-04 benni 			create_win (&dpy);
383 8f16cb3e 2024-01-04 benni 			break;
384 8f16cb3e 2024-01-04 benni 		case '1':
385 8f16cb3e 2024-01-04 benni 		case '2':
386 8f16cb3e 2024-01-04 benni 		case '3':
387 8f16cb3e 2024-01-04 benni 		case '4':
388 8f16cb3e 2024-01-04 benni 		case '5':
389 8f16cb3e 2024-01-04 benni 			g = &dpy.g[ch - '1'];
390 8f16cb3e 2024-01-04 benni 			if (dpy.ngraph == 1 && !g->hide)
391 8f16cb3e 2024-01-04 benni 				break;
392 8f16cb3e 2024-01-04 benni 			g->hide = !g->hide;
393 8f16cb3e 2024-01-04 benni 			create_win (&dpy);
394 8f16cb3e 2024-01-04 benni 			break;
395 8f16cb3e 2024-01-04 benni 		case '+':
396 8f16cb3e 2024-01-04 benni 			++dpy.delay;
397 8f16cb3e 2024-01-04 benni 			halfdelay (dpy.delay);
398 8f16cb3e 2024-01-04 benni 			break;
399 8f16cb3e 2024-01-04 benni 		case '-':
400 8f16cb3e 2024-01-04 benni 			if (dpy.delay > 1)
401 8f16cb3e 2024-01-04 benni 				--dpy.delay;
402 8f16cb3e 2024-01-04 benni 			halfdelay (dpy.delay);
403 8f16cb3e 2024-01-04 benni 			break;
404 8f16cb3e 2024-01-04 benni 		case ' ':
405 8f16cb3e 2024-01-04 benni 			dpy.running = !dpy.running;
406 8f16cb3e 2024-01-04 benni 			break;
407 8f16cb3e 2024-01-04 benni 		case ERR:
408 8f16cb3e 2024-01-04 benni 			if (dpy.running)
409 8f16cb3e 2024-01-04 benni 				update (&dpy);
410 8f16cb3e 2024-01-04 benni 			break;
411 8f16cb3e 2024-01-04 benni 		}
412 8f16cb3e 2024-01-04 benni 
413 8f16cb3e 2024-01-04 benni 		draw (&dpy);
414 8f16cb3e 2024-01-04 benni 	}
415 8f16cb3e 2024-01-04 benni 
416 8f16cb3e 2024-01-04 benni done:
417 8f16cb3e 2024-01-04 benni 	endwin ();
418 8f16cb3e 2024-01-04 benni 	return 0;
419 8f16cb3e 2024-01-04 benni }