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)
29 #include <NVCtrl/NVCtrl.h>
30 #include <NVCtrl/NVCtrlLib.h>
36 static char *get_product_name(int id)
41 res = XNVCTRLQueryTargetStringAttribute(display,
42 NV_CTRL_TARGET_TYPE_GPU,
45 NV_CTRL_STRING_PRODUCT_NAME,
48 if (strcmp(name, "Unknown")) {
51 log_err(_("Unknown NVIDIA product name for GPU %d"),
56 log_err(_("Failed to retrieve NVIDIA product name for GPU %d"),
60 return strdup("NVIDIA");
63 static double get_temp(int id)
68 res = XNVCTRLQueryTargetAttribute(display,
69 NV_CTRL_TARGET_TYPE_GPU,
72 NV_CTRL_GPU_CORE_TEMPERATURE,
78 return UNKNOWN_DBL_VALUE;
81 static double get_ambient_temp(int id)
86 res = XNVCTRLQueryTargetAttribute(display,
87 NV_CTRL_TARGET_TYPE_GPU,
90 NV_CTRL_AMBIENT_TEMPERATURE,
96 return UNKNOWN_DBL_VALUE;
99 static double get_usage_att(char *atts, char *att)
101 char *c, *key, *strv, *s;
107 v = UNKNOWN_DBL_VALUE;
132 strv = strndup(s, n);
133 if (!strcmp(key, att))
139 if (v != UNKNOWN_DBL_VALUE)
142 while (*c && (*c == ' ' || *c == ','))
149 static double get_usage(int id, int type)
155 if (type & SENSOR_TYPE_GRAPHICS)
157 else if (type & SENSOR_TYPE_VIDEO)
159 else if (type & SENSOR_TYPE_MEMORY)
161 else if (type & SENSOR_TYPE_PCIE)
164 return UNKNOWN_DBL_VALUE;
166 res = XNVCTRLQueryTargetStringAttribute(display,
167 NV_CTRL_TARGET_TYPE_GPU,
170 NV_CTRL_STRING_GPU_UTILIZATION,
174 return UNKNOWN_DBL_VALUE;
176 v = get_usage_att(atts, stype);
183 static void update(struct psensor *sensor)
187 if (sensor->type & SENSOR_TYPE_TEMP) {
188 if (sensor->type & SENSOR_TYPE_AMBIENT)
189 v = get_ambient_temp(sensor->nvidia_id);
191 v = get_temp(sensor->nvidia_id);
192 } else { /* SENSOR_TYPE_USAGE */
193 v = get_usage(sensor->nvidia_id, sensor->type);
196 if (v == UNKNOWN_DBL_VALUE)
197 log_err(_("Failed to retrieve measure of type %x "
198 "for NVIDIA GPU %d"),
201 psensor_set_current_value(sensor, v);
204 static struct psensor *create_temp_sensor(int id, int subtype, int values_len)
211 pname = get_product_name(id);
213 if (subtype & SENSOR_TYPE_AMBIENT)
214 sprintf(name, "%s %d ambient", pname, id);
216 sprintf(name, "%s %d", pname, id);
219 sid = malloc(strlen("NVIDIA") + 1 + strlen(name) + 1);
220 sprintf(sid, "NVIDIA %s", name);
222 t = SENSOR_TYPE_NVCTRL | SENSOR_TYPE_GPU | SENSOR_TYPE_TEMP | subtype;
224 s = psensor_create(sid,
226 strdup(_("NVIDIA GPU")),
235 static struct psensor *create_usage_sensor(int id,
244 if (subtype & SENSOR_TYPE_GRAPHICS)
245 sprintf(name, "GPU%d graphics", id);
246 else if (subtype & SENSOR_TYPE_MEMORY)
247 sprintf(name, "GPU%d memory", id);
248 else if (subtype & SENSOR_TYPE_VIDEO)
249 sprintf(name, "GPU%d video", id);
250 else /* if (subtype & SENSOR_TYPE_PCIE) */
251 sprintf(name, "GPU%d PCIe", id);
254 sid = malloc(strlen("NVIDIA") + 1 + strlen(name) + 1);
255 sprintf(sid, "NVIDIA %s", name);
257 t = SENSOR_TYPE_NVCTRL | SENSOR_TYPE_GPU | SENSOR_TYPE_USAGE | subtype;
259 s = psensor_create(sid,
261 strdup(_("NVIDIA GPU")),
271 Opens connection to X server and returns the number
274 Return 0 if no NVIDIA gpus or cannot get information.
280 display = XOpenDisplay(NULL);
283 log_err(_("Cannot open connection to X11 server."));
287 if (XNVCTRLQueryExtension(display, &evt, &err) &&
288 XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n))
291 log_err(_("Failed to retrieve NVIDIA information."));
296 void nvidia_psensor_list_update(struct psensor **sensors)
298 struct psensor **ss, *s;
304 if (s->type & SENSOR_TYPE_NVCTRL)
311 struct psensor **nvidia_psensor_list_add(struct psensor **sensors,
315 struct psensor **tmp, **ss, *s;
320 for (i = 0; i < n; i++) {
321 s = create_temp_sensor(i, 0, values_len);
322 tmp = psensor_list_add(ss, s);
327 s = create_temp_sensor(i, SENSOR_TYPE_AMBIENT, values_len);
328 tmp = psensor_list_add(ss, s);
333 s = create_usage_sensor(i, SENSOR_TYPE_GRAPHICS, values_len);
334 tmp = psensor_list_add(ss, s);
339 s = create_usage_sensor(i, SENSOR_TYPE_VIDEO, values_len);
340 tmp = psensor_list_add(ss, s);
345 s = create_usage_sensor(i, SENSOR_TYPE_MEMORY, values_len);
346 tmp = psensor_list_add(ss, s);
351 s = create_usage_sensor(i, SENSOR_TYPE_PCIE, values_len);
352 tmp = psensor_list_add(ss, s);
362 void nvidia_cleanup()
365 XCloseDisplay(display);