1 /* dristat.c --
2  * Created: Mon Jan 15 05:05:07 2001 by faith@acm.org
3  *
4  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
5  * All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the next
15  * paragraph) shall be included in all copies or substantial portions of the
16  * Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24  * DEALINGS IN THE SOFTWARE.
25  *
26  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
27  *
28  */
29 
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <unistd.h>
33 #include "xf86drm.h"
34 #include "xf86drmRandom.c"
35 #include "xf86drmHash.c"
36 #include "xf86drm.c"
37 
38 #define DRM_VERSION 0x00000001
39 #define DRM_MEMORY  0x00000002
40 #define DRM_CLIENTS 0x00000004
41 #define DRM_STATS   0x00000008
42 #define DRM_BUSID   0x00000010
43 
getversion(int fd)44 static void getversion(int fd)
45 {
46     drmVersionPtr version;
47 
48     version = drmGetVersion(fd);
49     if (version) {
50 	printf("  Version information:\n");
51 	printf("    Name: %s\n", version->name ? version->name : "?");
52 	printf("    Version: %d.%d.%d\n",
53 	       version->version_major,
54 	       version->version_minor,
55 	       version->version_patchlevel);
56 	printf("    Date: %s\n", version->date ? version->date : "?");
57 	printf("    Desc: %s\n", version->desc ? version->desc : "?");
58 	drmFreeVersion(version);
59     } else {
60 	printf("  No version information available\n");
61     }
62 }
63 
getbusid(int fd)64 static void getbusid(int fd)
65 {
66     const char *busid = drmGetBusid(fd);
67 
68     printf("  Busid: %s\n", *busid ? busid : "(not set)");
69     drmFreeBusid(busid);
70 }
71 
72 
getvm(int fd)73 static void getvm(int fd)
74 {
75     int             i;
76     const char      *typename;
77     char            flagname[33];
78     drm_handle_t    offset;
79     drmSize         size;
80     drmMapType      type;
81     drmMapFlags     flags;
82     drm_handle_t    handle;
83     int             mtrr;
84 
85     printf("  VM map information:\n");
86     printf("  flags: (R)estricted (r)ead/(w)rite (l)ocked (k)ernel (W)rite-combine (L)ock:\n");
87     printf("    slot     offset       size type flags    address mtrr\n");
88 
89     for (i = 0;
90 	 !drmGetMap(fd, i, &offset, &size, &type, &flags, &handle, &mtrr);
91 	 i++) {
92 
93 	switch (type) {
94 	case DRM_FRAME_BUFFER:   typename = "FB";  break;
95 	case DRM_REGISTERS:      typename = "REG"; break;
96 	case DRM_SHM:            typename = "SHM"; break;
97 	case DRM_AGP:            typename = "AGP"; break;
98 	case DRM_SCATTER_GATHER: typename = "SG";  break;
99 	default:                 typename = "???"; break;
100 	}
101 
102 	flagname[0] = (flags & DRM_RESTRICTED)      ? 'R' : ' ';
103 	flagname[1] = (flags & DRM_READ_ONLY)       ? 'r' : 'w';
104 	flagname[2] = (flags & DRM_LOCKED)          ? 'l' : ' ';
105 	flagname[3] = (flags & DRM_KERNEL)          ? 'k' : ' ';
106 	flagname[4] = (flags & DRM_WRITE_COMBINING) ? 'W' : ' ';
107 	flagname[5] = (flags & DRM_CONTAINS_LOCK)   ? 'L' : ' ';
108 	flagname[6] = '\0';
109 
110 	printf("    %4d 0x%08lx 0x%08lx %3.3s %6.6s 0x%08lx ",
111 	       i, offset, (unsigned long)size, typename, flagname, handle);
112 	if (mtrr < 0) printf("none\n");
113 	else          printf("%4d\n", mtrr);
114     }
115 }
116 
getclients(int fd)117 static void getclients(int fd)
118 {
119     int           i;
120     int           auth;
121     int           pid;
122     int           uid;
123     unsigned long magic;
124     unsigned long iocs;
125     char          buf[64];
126     char          cmd[40];
127     int           procfd;
128 
129     printf("  DRI client information:\n");
130     printf("    a   pid   uid      magic     ioctls   prog\n");
131 
132     for (i = 0; !drmGetClient(fd, i, &auth, &pid, &uid, &magic, &iocs); i++) {
133 	sprintf(buf, "/proc/%d/cmdline", pid);
134 	memset(cmd, 0, sizeof(cmd));
135 	if ((procfd = open(buf, O_RDONLY, 0)) >= 0) {
136 	    read(procfd, cmd, sizeof(cmd)-1);
137 	    close(procfd);
138 	}
139 	if (*cmd) {
140 	    char *pt;
141 
142 	    for (pt = cmd; *pt; pt++) if (!isprint(*pt)) *pt = ' ';
143 	    printf("    %c %5d %5d %10lu %10lu   %s\n",
144 		   auth ? 'y' : 'n', pid, uid, magic, iocs, cmd);
145 	} else {
146 	    printf("    %c %5d %5d %10lu %10lu\n",
147 		   auth ? 'y' : 'n', pid, uid, magic, iocs);
148 	}
149     }
150 }
151 
printhuman(unsigned long value,const char * name,int mult)152 static void printhuman(unsigned long value, const char *name, int mult)
153 {
154     const char *p;
155     double     f;
156 				/* Print width 5 number in width 6 space */
157     if (value < 100000) {
158 	printf(" %5lu", value);
159 	return;
160     }
161 
162     p = name;
163     f = (double)value / (double)mult;
164     if (f < 10.0) {
165 	printf(" %4.2f%c", f, *p);
166 	return;
167     }
168 
169     p++;
170     f = (double)value / (double)mult;
171     if (f < 10.0) {
172 	printf(" %4.2f%c", f, *p);
173 	return;
174     }
175 
176     p++;
177     f = (double)value / (double)mult;
178     if (f < 10.0) {
179 	printf(" %4.2f%c", f, *p);
180 	return;
181     }
182 }
183 
getstats(int fd,int i)184 static void getstats(int fd, int i)
185 {
186     drmStatsT prev, curr;
187     int       j;
188     double    rate;
189 
190     printf("  System statistics:\n");
191 
192     if (drmGetStats(fd, &prev)) return;
193     if (!i) {
194 	for (j = 0; j < prev.count; j++) {
195 	    printf("    ");
196 	    printf(prev.data[j].long_format, prev.data[j].long_name);
197 	    if (prev.data[j].isvalue) printf(" 0x%08lx\n", prev.data[j].value);
198 	    else                      printf(" %10lu\n", prev.data[j].value);
199 	}
200 	return;
201     }
202 
203     printf("    ");
204     for (j = 0; j < prev.count; j++)
205 	if (!prev.data[j].verbose) {
206 	    printf(" ");
207 	    printf(prev.data[j].rate_format, prev.data[j].rate_name);
208 	}
209     printf("\n");
210 
211     for (;;) {
212 	sleep(i);
213 	if (drmGetStats(fd, &curr)) return;
214 	printf("    ");
215 	for (j = 0; j < curr.count; j++) {
216 	    if (curr.data[j].verbose) continue;
217 	    if (curr.data[j].isvalue) {
218 		printf(" %08lx", curr.data[j].value);
219 	    } else {
220 		rate = (curr.data[j].value - prev.data[j].value) / (double)i;
221 		printhuman(rate, curr.data[j].mult_names, curr.data[j].mult);
222 	    }
223 	}
224 	printf("\n");
225 	memcpy(&prev, &curr, sizeof(prev));
226     }
227 
228 }
229 
main(int argc,char ** argv)230 int main(int argc, char **argv)
231 {
232     int  c;
233     int  mask     = 0;
234     int  minor    = 0;
235     int  interval = 0;
236     int  fd;
237     char buf[64];
238     int  i;
239 
240     while ((c = getopt(argc, argv, "avmcsbM:i:")) != EOF)
241 	switch (c) {
242 	case 'a': mask = ~0;                          break;
243 	case 'v': mask |= DRM_VERSION;                break;
244 	case 'm': mask |= DRM_MEMORY;                 break;
245 	case 'c': mask |= DRM_CLIENTS;                break;
246 	case 's': mask |= DRM_STATS;                  break;
247 	case 'b': mask |= DRM_BUSID;                  break;
248 	case 'i': interval = strtol(optarg, NULL, 0); break;
249 	case 'M': minor = strtol(optarg, NULL, 0);    break;
250 	default:
251 	    fprintf( stderr, "Usage: dristat [options]\n\n" );
252 	    fprintf( stderr, "Displays DRM information. Use with no arguments to display available cards.\n\n" );
253 	    fprintf( stderr, "  -a            Show all available information\n" );
254 	    fprintf( stderr, "  -b            Show DRM bus ID's\n" );
255 	    fprintf( stderr, "  -c            Display information about DRM clients\n" );
256 	    fprintf( stderr, "  -i [interval] Continuously display statistics every [interval] seconds\n" );
257 	    fprintf( stderr, "  -v            Display DRM module and card version information\n" );
258 	    fprintf( stderr, "  -m            Display memory use information\n" );
259 	    fprintf( stderr, "  -s            Display DRM statistics\n" );
260 	    fprintf( stderr, "  -M [minor]    Select card by minor number\n" );
261 	    return 1;
262 	}
263 
264     for (i = 0; i < 16; i++) if (!minor || i == minor) {
265 	sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, i);
266 	fd = drmOpenMinor(i, 1, DRM_NODE_RENDER);
267 	if (fd >= 0) {
268 	    printf("%s\n", buf);
269 	    if (mask & DRM_BUSID)   getbusid(fd);
270 	    if (mask & DRM_VERSION) getversion(fd);
271 	    if (mask & DRM_MEMORY)  getvm(fd);
272 	    if (mask & DRM_CLIENTS) getclients(fd);
273 	    if (mask & DRM_STATS)   getstats(fd, interval);
274 	    close(fd);
275 	}
276     }
277 
278     return 0;
279 }
280