/*
- * Copyright (C) 2010-2011 jeanfi@gmail.com
+ * Copyright (C) 2010-2014 jeanfi@gmail.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
#include <libintl.h>
#define _(str) gettext(str)
+#include <limits.h>
+#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <NVCtrl/NVCtrl.h>
#include <NVCtrl/NVCtrlLib.h>
-#include "psensor.h"
+#include <nvidia.h>
+#include <psensor.h>
-Display *display;
+static Display *display;
-/*
- Returns the temperature (Celcius) of a NVidia GPU.
-*/
-static int get_temp(struct psensor *sensor)
+static const char *PROVIDER_NAME = "nvctrl";
+
+static void set_nvidia_id(struct psensor *s, int id)
+{
+ *(int *)s->provider_data = id;
+}
+
+static int get_nvidia_id(struct psensor *s)
+{
+ return *(int *)s->provider_data;
+}
+
+static char *get_product_name(int id, int type)
+{
+ char *name;
+ Bool res;
+
+ if (type & SENSOR_TYPE_FAN)
+ return strdup("NVIDIA");
+
+ res = XNVCTRLQueryTargetStringAttribute(display,
+ NV_CTRL_TARGET_TYPE_GPU,
+ id,
+ 0,
+ NV_CTRL_STRING_PRODUCT_NAME,
+ &name);
+ if (res == True) {
+ if (strcmp(name, "Unknown"))
+ return name;
+
+ log_err(_("%s: Unknown NVIDIA product name for GPU %d"),
+ PROVIDER_NAME,
+ id);
+ free(name);
+ } else {
+ log_err(_("%s: "
+ "Failed to retrieve NVIDIA product name for GPU %d"),
+ PROVIDER_NAME,
+ id);
+ }
+
+ return strdup("NVIDIA");
+}
+
+static double get_att(int target, int id, int att)
{
- int temp;
Bool res;
+ int temp;
- res = XNVCTRLQueryTargetAttribute(display,
- NV_CTRL_TARGET_TYPE_GPU,
- sensor->nvidia_id,
- 0,
- NV_CTRL_GPU_CORE_TEMPERATURE,
- &temp);
+ res = XNVCTRLQueryTargetAttribute(display, target, id, 0, att, &temp);
if (res == True)
return temp;
- fprintf(stderr, _("ERROR: failed to retrieve nvidia temperature\n"));
- return 0;
+ return UNKNOWN_DBL_VALUE;
+}
+
+static double get_usage_att(char *atts, const char *att)
+{
+ char *c, *key, *strv, *s;
+ size_t n;
+ double v;
+
+ c = atts;
+
+ v = UNKNOWN_DBL_VALUE;
+ while (*c) {
+ s = c;
+ n = 0;
+ while (*c) {
+ if (*c == '=')
+ break;
+ c++;
+ n++;
+ }
+
+ key = strndup(s, n);
+
+ if (*c)
+ c++;
+
+ n = 0;
+ s = c;
+ while (*c) {
+ if (*c == ',')
+ break;
+ c++;
+ n++;
+ }
+
+ strv = strndup(s, n);
+ if (!strcmp(key, att))
+ v = atoi(strv);
+
+ free(key);
+ free(strv);
+
+ if (v != UNKNOWN_DBL_VALUE)
+ break;
+
+ while (*c && (*c == ' ' || *c == ','))
+ c++;
+ }
+
+ return v;
+}
+
+static const char *get_nvidia_type_str(int type)
+{
+ if (type & SENSOR_TYPE_GRAPHICS)
+ return "graphics";
+
+ if (type & SENSOR_TYPE_VIDEO)
+ return "video";
+
+ if (type & SENSOR_TYPE_MEMORY)
+ return "memory";
+
+ if (type & SENSOR_TYPE_PCIE)
+ return "PCIe";
+
+ if (type & SENSOR_TYPE_AMBIENT)
+ return "ambient";
+
+ if (type & SENSOR_TYPE_TEMP)
+ return "temp";
+
+ if (type & SENSOR_TYPE_FAN) {
+ if (type & SENSOR_TYPE_RPM)
+ return "fan rpm";
+
+ return "fan level";
+ }
+
+ return "unknown";
}
-static struct psensor *create_sensor(int id, int values_len)
+static double get_usage(int id, int type)
{
- char name[200];
- char *sid;
+ const char *stype;
+ char *atts;
+ double v;
+ Bool res;
+
+ stype = get_nvidia_type_str(type);
+
+ if (!stype)
+ return UNKNOWN_DBL_VALUE;
+
+ res = XNVCTRLQueryTargetStringAttribute(display,
+ NV_CTRL_TARGET_TYPE_GPU,
+ id,
+ 0,
+ NV_CTRL_STRING_GPU_UTILIZATION,
+ &atts);
+
+ if (res != True)
+ return UNKNOWN_DBL_VALUE;
+
+ v = get_usage_att(atts, stype);
+
+ free(atts);
+
+ return v;
+}
+
+static double get_value(int id, int type)
+{
+ int att;
+
+ if (type & SENSOR_TYPE_TEMP) {
+ if (type & SENSOR_TYPE_AMBIENT)
+ att = NV_CTRL_AMBIENT_TEMPERATURE;
+ else
+ att = NV_CTRL_GPU_CORE_TEMPERATURE;
+
+ return get_att(NV_CTRL_TARGET_TYPE_GPU, id, att);
+ } else if (type & SENSOR_TYPE_FAN) {
+ if (type & SENSOR_TYPE_RPM)
+ return get_att(NV_CTRL_TARGET_TYPE_COOLER,
+ id,
+ NV_CTRL_THERMAL_COOLER_SPEED);
+ else /* SENSOR_TYPE_PERCENT */
+ return get_att(NV_CTRL_TARGET_TYPE_COOLER,
+ id,
+ NV_CTRL_THERMAL_COOLER_LEVEL);
+ } else { /* SENSOR_TYPE_PERCENT */
+ return get_usage(id, type);
+ }
+}
+
+static void update(struct psensor *sensor)
+{
+ double v;
+ int id;
+
+ id = get_nvidia_id(sensor);
+
+ v = get_value(id, sensor->type);
+
+ if (v == UNKNOWN_DBL_VALUE)
+ log_err(_("%s: Failed to retrieve measure of type %x "
+ "for NVIDIA GPU %d"),
+ PROVIDER_NAME,
+ sensor->type,
+ id);
+ psensor_set_current_value(sensor, v);
+}
+
+static int check_sensor(int id, int type)
+{
+ return get_value(id, type) != UNKNOWN_DBL_VALUE;
+}
+
+static char *i2str(int i)
+{
+ char *str;
+ size_t n;
+
+ /* second +1 to avoid issue about the conversion of a double
+ * to a lower int */
+ n = 1 + (ceil(log10(INT_MAX)) + 1) + 1;
+
+ str = malloc(n);
+ snprintf(str, n, "%d", i);
+
+ return str;
+}
+
+static struct psensor *create_nvidia_sensor(int id, int subtype, int value_len)
+{
+ char *pname, *name, *strnid, *sid;
+ const char *stype;
+ int type;
+ size_t n;
struct psensor *s;
+ double v;
- sprintf(name, "GPU%d", id);
+ type = SENSOR_TYPE_NVCTRL | subtype;
- sid = malloc(strlen("nvidia") + 1 + strlen(name) + 1);
- sprintf(sid, "nvidia %s", name);
+ if (!check_sensor(id, type))
+ return NULL;
- s = psensor_create(sid, strdup(name),
- SENSOR_TYPE_NVIDIA_TEMP, values_len);
+ pname = get_product_name(id, type);
+ strnid = i2str(id);
+ stype = get_nvidia_type_str(type);
+
+ n = strlen(pname) + 1 + strlen(strnid) + 1 + strlen(stype) + 1;
+ name = malloc(n);
+ sprintf(name, "%s %s %s", pname, strnid, stype);
+
+ sid = malloc(strlen(PROVIDER_NAME) + 1 + strlen(name) + 1);
+ sprintf(sid, "%s %s", PROVIDER_NAME, name);
+
+ s = psensor_create(sid, name, pname, type, value_len);
+ s->provider_data = malloc(sizeof(int));
+ set_nvidia_id(s, id);
+
+ if ((type & SENSOR_TYPE_GPU) && (type & SENSOR_TYPE_TEMP)) {
+ v = get_att(NV_CTRL_TARGET_TYPE_GPU,
+ id,
+ NV_CTRL_GPU_CORE_THRESHOLD);
+ s->max = v;
+ }
- s->nvidia_id = id;
+ free(strnid);
return s;
}
-/*
- Opens connection to X server and returns the number
- of NVidia GPUs.
-
- Return 0 if no NVidia gpus or cannot get information.
-*/
-static int init()
+static int init(void)
{
- int evt, err, n;
+ int evt, err;
display = XOpenDisplay(NULL);
if (!display) {
- fprintf(stderr,
- _("ERROR: Cannot open connection to X Server\n"));
+ log_err(_("%s: Cannot open connection to X11 server."),
+ PROVIDER_NAME);
return 0;
}
- if (XNVCTRLQueryExtension(display, &evt, &err) &&
- XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n))
- return n;
+ if (XNVCTRLQueryExtension(display, &evt, &err))
+ return 1;
- fprintf(stderr, _("ERROR: Cannot retrieve NVidia information\n"));
+ log_err(_("%s: Failed to retrieve NVIDIA information."),
+ PROVIDER_NAME);
return 0;
}
void nvidia_psensor_list_update(struct psensor **sensors)
{
- struct psensor **ss, *s;
+ struct psensor *s;
- ss = sensors;
- while (*ss) {
- s = *ss;
+ while (*sensors) {
+ s = *sensors;
- if (s->type == SENSOR_TYPE_NVIDIA_TEMP)
- psensor_set_current_value(s, get_temp(s));
+ if (!(s->type & SENSOR_TYPE_REMOTE)
+ && s->type & SENSOR_TYPE_NVCTRL)
+ update(s);
- ss++;
+ sensors++;
}
}
-struct psensor **nvidia_psensor_list_add(struct psensor **sensors,
- int values_len)
+static void add(struct psensor ***sensors, int id, int type, int values_len)
{
- int i, n;
- struct psensor **tmp, **ss, *s;
-
- n = init();
-
- ss = sensors;
- for (i = 0; i < n; i++) {
- s = create_sensor(i, values_len);
+ struct psensor *s;
- tmp = psensor_list_add(ss, s);
+ s = create_nvidia_sensor(id, type, values_len);
- if (ss != tmp)
- free(ss);
+ if (s)
+ psensor_list_append(sensors, s);
+}
- ss = tmp;
+void nvidia_psensor_list_append(struct psensor ***ss, int values_len)
+{
+ int i, n, utype;
+ Bool ret;
+
+ if (!init())
+ return;
+
+ ret = XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n);
+ if (ret == True) {
+ for (i = 0; i < n; i++) {
+ add(ss,
+ i,
+ SENSOR_TYPE_GPU | SENSOR_TYPE_TEMP,
+ values_len);
+
+ utype = SENSOR_TYPE_GPU | SENSOR_TYPE_PERCENT;
+ add(ss, i, utype | SENSOR_TYPE_AMBIENT, values_len);
+ add(ss, i, utype | SENSOR_TYPE_GRAPHICS, values_len);
+ add(ss, i, utype | SENSOR_TYPE_VIDEO, values_len);
+ add(ss, i, utype | SENSOR_TYPE_MEMORY, values_len);
+ add(ss, i, utype | SENSOR_TYPE_PCIE, values_len);
+ }
}
- return ss;
+ ret = XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_COOLER, &n);
+ if (ret == True) {
+ log_fct("%s: Number of fans: %d", PROVIDER_NAME, n);
+ for (i = 0; i < n; i++) {
+ utype = SENSOR_TYPE_FAN | SENSOR_TYPE_RPM;
+ if (check_sensor(i, utype))
+ add(ss, i, utype, values_len);
+
+ utype = SENSOR_TYPE_FAN | SENSOR_TYPE_PERCENT;
+ if (check_sensor(i, utype))
+ add(ss, i, utype, values_len);
+ }
+ } else {
+ log_err(_("%s: Failed to retrieve number of fans."),
+ PROVIDER_NAME);
+ }
}
-void nvidia_cleanup()
+void nvidia_cleanup(void)
{
if (display) {
XCloseDisplay(display);