2 * Copyright (C) 2010-2014 jeanfi@gmail.com
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 #define _(str) gettext(str)
31 #include <NVCtrl/NVCtrl.h>
32 #include <NVCtrl/NVCtrlLib.h>
38 static char *get_product_name(int id)
43 res = XNVCTRLQueryTargetStringAttribute(display,
44 NV_CTRL_TARGET_TYPE_GPU,
47 NV_CTRL_STRING_PRODUCT_NAME,
50 if (strcmp(name, "Unknown")) {
53 log_err(_("Unknown NVIDIA product name for GPU %d"),
58 log_err(_("Failed to retrieve NVIDIA product name for GPU %d"),
62 return strdup("NVIDIA");
65 static double get_temp(int id)
70 res = XNVCTRLQueryTargetAttribute(display,
71 NV_CTRL_TARGET_TYPE_GPU,
74 NV_CTRL_GPU_CORE_TEMPERATURE,
80 return UNKNOWN_DBL_VALUE;
83 static double get_ambient_temp(int id)
88 res = XNVCTRLQueryTargetAttribute(display,
89 NV_CTRL_TARGET_TYPE_GPU,
92 NV_CTRL_AMBIENT_TEMPERATURE,
98 return UNKNOWN_DBL_VALUE;
101 static double get_usage_att(char *atts, const char *att)
103 char *c, *key, *strv, *s;
109 v = UNKNOWN_DBL_VALUE;
134 strv = strndup(s, n);
135 if (!strcmp(key, att))
141 if (v != UNKNOWN_DBL_VALUE)
144 while (*c && (*c == ' ' || *c == ','))
151 static const char *get_nvidia_type_str(int type)
153 if (type & SENSOR_TYPE_GRAPHICS)
155 else if (type & SENSOR_TYPE_VIDEO)
157 else if (type & SENSOR_TYPE_MEMORY)
159 else if (type & SENSOR_TYPE_PCIE)
161 else if (type & SENSOR_TYPE_AMBIENT)
163 else if (type & SENSOR_TYPE_TEMP)
169 static double get_usage(int id, int type)
176 stype = get_nvidia_type_str(type);
179 return UNKNOWN_DBL_VALUE;
181 res = XNVCTRLQueryTargetStringAttribute(display,
182 NV_CTRL_TARGET_TYPE_GPU,
185 NV_CTRL_STRING_GPU_UTILIZATION,
189 return UNKNOWN_DBL_VALUE;
191 v = get_usage_att(atts, stype);
198 static double get_value(int id, int type)
200 if (type & SENSOR_TYPE_TEMP) {
201 if (type & SENSOR_TYPE_AMBIENT)
202 return get_ambient_temp(id);
205 } else { /* SENSOR_TYPE_USAGE */
206 return get_usage(id, type);
210 static void update(struct psensor *sensor)
214 v = get_value(sensor->nvidia_id, sensor->type);
216 if (v == UNKNOWN_DBL_VALUE)
217 log_err(_("Failed to retrieve measure of type %x "
218 "for NVIDIA GPU %d"),
221 psensor_set_current_value(sensor, v);
224 static int check_sensor(int id, int type)
226 return get_value(id, type) != UNKNOWN_DBL_VALUE;
229 static char *i2str(int i)
234 /* second +1 to avoid issue about the conversion of a double
236 n = 1 + (ceil(log10(INT_MAX)) + 1) + 1;
239 snprintf(str, n, "%d", i);
244 static struct psensor *create_nvidia_sensor(int id, int subtype, int value_len)
246 char *pname, *name, *strnid, *sid;
252 type = SENSOR_TYPE_NVCTRL | SENSOR_TYPE_GPU | subtype;
254 if (!check_sensor(id, type))
257 pname = get_product_name(id);
259 stype = get_nvidia_type_str(type);
261 n = strlen(pname) + 1 + strlen(strnid) + 1 + strlen(stype) + 1;
264 sprintf(name, "%s %s %s", pname, strnid, stype);
266 sid = malloc(strlen("nvidia") + 1 + strlen(name) + 1);
267 sprintf(sid, "nvidia %s", name);
269 s = psensor_create(sid, name, pname, type, value_len);
278 Opens connection to X server and returns the number
281 Return 0 if no NVIDIA gpus or cannot get information.
287 display = XOpenDisplay(NULL);
290 log_err(_("Cannot open connection to X11 server."));
294 if (XNVCTRLQueryExtension(display, &evt, &err) &&
295 XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n))
298 log_err(_("Failed to retrieve NVIDIA information."));
303 void nvidia_psensor_list_update(struct psensor **sensors)
305 struct psensor **ss, *s;
311 if (s->type & SENSOR_TYPE_NVCTRL)
318 /* static struct psensor ** */
319 /* sensor_add(struct psensor **sensors, int subtype, int values_len) */
323 struct psensor **nvidia_psensor_list_add(struct psensor **sensors,
327 struct psensor **tmp, **ss, *s;
332 for (i = 0; i < n; i++) {
333 s = create_nvidia_sensor(i, SENSOR_TYPE_TEMP, values_len);
334 tmp = psensor_list_add(ss, s);
339 s = create_nvidia_sensor
341 SENSOR_TYPE_USAGE | SENSOR_TYPE_AMBIENT,
343 tmp = psensor_list_add(ss, s);
348 s = create_nvidia_sensor
350 SENSOR_TYPE_USAGE | SENSOR_TYPE_GRAPHICS,
352 tmp = psensor_list_add(ss, s);
357 s = create_nvidia_sensor
359 SENSOR_TYPE_USAGE | SENSOR_TYPE_VIDEO,
361 tmp = psensor_list_add(ss, s);
366 s = create_nvidia_sensor
368 SENSOR_TYPE_USAGE | SENSOR_TYPE_MEMORY,
370 tmp = psensor_list_add(ss, s);
375 s = create_nvidia_sensor
377 SENSOR_TYPE_USAGE | SENSOR_TYPE_PCIE,
379 tmp = psensor_list_add(ss, s);
389 void nvidia_cleanup()
392 XCloseDisplay(display);