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-rw-r--r--tests/drmstat.c417
1 files changed, 417 insertions, 0 deletions
diff --git a/tests/drmstat.c b/tests/drmstat.c
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+++ b/tests/drmstat.c
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+/* drmstat.c -- DRM device status and testing program
+ * Created: Tue Jan 5 08:19:24 1999 by faith@precisioninsight.com
+ * Revised: Sun Aug 1 11:02:00 1999 by faith@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.28 1999/08/04 18:12:11 faith Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.1 1999/09/25 14:37:59 dawes Exp $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <getopt.h>
+#include <strings.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#include "xf86drm.h"
+
+int sigio_fd;
+
+static double usec(struct timeval *end, struct timeval *start)
+{
+ double e = end->tv_sec * 1000000 + end->tv_usec;
+ double s = start->tv_sec * 1000000 + start->tv_usec;
+
+ return e - s;
+}
+
+static void getversion(int fd)
+{
+ drmVersionPtr version;
+
+ version = drmGetVersion(fd);
+ if (version) {
+ printf( "Name: %s\n", version->name ? version->name : "?" );
+ printf( " Version: %d.%d.%d\n",
+ version->version_major,
+ version->version_minor,
+ version->version_patchlevel );
+ printf( " Date: %s\n", version->date ? version->date : "?" );
+ printf( " Desc: %s\n", version->desc ? version->desc : "?" );
+ drmFreeVersion(version);
+ } else {
+ printf( "No driver available\n" );
+ }
+}
+
+void handler(int fd, void *oldctx, void *newctx)
+{
+ printf("Got fd %d\n", fd);
+}
+
+void process_sigio(char *device)
+{
+ int fd;
+
+ if ((fd = open(device, 0)) < 0) {
+ drmError(-errno, __FUNCTION__);
+ exit(1);
+ }
+
+ sigio_fd = fd;
+ drmInstallSIGIOHandler(fd, handler);
+ for (;;) sleep(60);
+}
+
+int main(int argc, char **argv)
+{
+ int c;
+ int r = 0;
+ int fd = -1;
+ drmHandle handle;
+ void *address;
+ char *pt;
+ unsigned long count;
+ unsigned long offset;
+ unsigned long size;
+ drmContext context;
+ int loops;
+ char buf[1024];
+ int i;
+ drmBufInfoPtr info;
+ drmBufMapPtr bufs;
+ drmLockPtr lock;
+ int secs;
+
+ while ((c = getopt(argc, argv,
+ "lc:vo:O:f:s:w:W:b:r:R:P:L:C:XS:B:F:")) != EOF)
+ switch (c) {
+ case 'F':
+ count = strtoul(optarg, NULL, 0);
+ if (!fork()) {
+ dup(fd);
+ sleep(count);
+ }
+ close(fd);
+ break;
+ case 'v': getversion(fd); break;
+ case 'X':
+ if ((r = drmCreateContext(fd, &context))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf( "Got %d\n", context);
+ break;
+ case 'S':
+ process_sigio(optarg);
+ break;
+ case 'C':
+ if ((r = drmSwitchToContext(fd, strtoul(optarg, NULL, 0)))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ break;
+ case 'c':
+ if ((r = drmSetBusid(fd,optarg))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ break;
+ case 'o':
+ if ((fd = drmOpen(optarg, NULL)) < 0) {
+ drmError(fd, argv[0]);
+ return 1;
+ }
+ break;
+ case 'O':
+ if ((fd = drmOpen(NULL, optarg)) < 0) {
+ drmError(fd, argv[0]);
+ return 1;
+ }
+ break;
+ case 'B': /* Test buffer allocation */
+ count = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, &pt, 0);
+ secs = strtoul(pt+1, NULL, 0);
+ {
+ drmDMAReq dma;
+ int *indices, *sizes;
+
+ indices = alloca(sizeof(*indices) * count);
+ sizes = alloca(sizeof(*sizes) * count);
+ dma.context = context;
+ dma.send_count = 0;
+ dma.request_count = count;
+ dma.request_size = size;
+ dma.request_list = indices;
+ dma.request_sizes = sizes;
+ dma.flags = DRM_DMA_WAIT;
+ if ((r = drmDMA(fd, &dma))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ for (i = 0; i < dma.granted_count; i++) {
+ printf("%5d: index = %d, size = %d\n",
+ i, dma.request_list[i], dma.request_sizes[i]);
+ }
+ sleep(secs);
+ drmFreeBufs(fd, dma.granted_count, indices);
+ }
+ break;
+ case 'b':
+ count = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, NULL, 0);
+ if ((r = drmAddBufs(fd, count, size, 0)) < 0) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ if (!(info = drmGetBufInfo(fd))) {
+ drmError(0, argv[0]);
+ return 1;
+ }
+ for (i = 0; i < info->count; i++) {
+ printf("%5d buffers of size %6d (low = %d, high = %d)\n",
+ info->list[i].count,
+ info->list[i].size,
+ info->list[i].low_mark,
+ info->list[i].high_mark);
+ }
+ if ((r = drmMarkBufs(fd, 0.50, 0.80))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ if (!(info = drmGetBufInfo(fd))) {
+ drmError(0, argv[0]);
+ return 1;
+ }
+ for (i = 0; i < info->count; i++) {
+ printf("%5d buffers of size %6d (low = %d, high = %d)\n",
+ info->list[i].count,
+ info->list[i].size,
+ info->list[i].low_mark,
+ info->list[i].high_mark);
+ }
+ printf("===== /proc/drm/1/meminfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/meminfo");
+ system(buf);
+#if 1
+ if (!(bufs = drmMapBufs(fd))) {
+ drmError(0, argv[0]);
+ return 1;
+ }
+ printf("===============================\n");
+ printf( "%d bufs\n", bufs->count);
+ for (i = 0; i < bufs->count; i++) {
+ printf( " %4d: %8d bytes at %p\n",
+ i,
+ bufs->list[i].total,
+ bufs->list[i].address);
+ }
+ printf("===== /proc/drm/1/vmainfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/vmainfo");
+ system(buf);
+#endif
+ break;
+ case 'f':
+ offset = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, NULL, 0);
+ handle = 0;
+ if ((r = drmAddMap(fd, offset, size,
+ DRM_FRAME_BUFFER, 0, &handle))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf("0x%08lx:0x%04lx added\n", offset, size);
+ printf("===== /proc/drm/1/meminfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/meminfo");
+ system(buf);
+ break;
+ case 'r':
+ case 'R':
+ offset = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, NULL, 0);
+ handle = 0;
+ if ((r = drmAddMap(fd, offset, size,
+ DRM_REGISTERS,
+ c == 'R' ? DRM_READ_ONLY : 0,
+ &handle))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf("0x%08lx:0x%04lx added\n", offset, size);
+ printf("===== /proc/drm/1/meminfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/meminfo");
+ system(buf);
+ break;
+ case 's':
+ size = strtoul(optarg, &pt, 0);
+ handle = 0;
+ if ((r = drmAddMap(fd, 0, size,
+ DRM_SHM, DRM_CONTAINS_LOCK,
+ &handle))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf("0x%04lx byte shm added at 0x%08lx\n", size, handle);
+ sprintf(buf, "cat /proc/graphics/0/vm");
+ system(buf);
+ break;
+ case 'P':
+ offset = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, NULL, 0);
+ address = NULL;
+ if ((r = drmMap(fd, offset, size, &address))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
+ offset, size, address, getpid());
+ printf("===== /proc/graphics/0/vma =====\n");
+ sprintf(buf, "cat /proc/graphics/0/vma");
+ system(buf);
+ mprotect((void *)offset, size, PROT_READ);
+ printf("===== /proc/graphics/0/vma =====\n");
+ sprintf(buf, "cat /proc/graphics/0/vma");
+ system(buf);
+ break;
+ case 'w':
+ case 'W':
+ offset = strtoul(optarg, &pt, 0);
+ size = strtoul(pt+1, NULL, 0);
+ address = NULL;
+ if ((r = drmMap(fd, offset, size, &address))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
+ offset, size, address, getpid());
+ printf("===== /proc/%d/maps =====\n", getpid());
+ sprintf(buf, "cat /proc/%d/maps", getpid());
+ system(buf);
+ printf("===== /proc/drm/1/meminfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/meminfo");
+ system(buf);
+ printf("===== /proc/drm/1/vmainfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/vmainfo");
+ system(buf);
+ printf("===== READING =====\n");
+ for (i = 0; i < 0x10; i++)
+ printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
+ printf("\n");
+ if (c == 'w') {
+ printf("===== WRITING =====\n");
+ for (i = 0; i < size; i+=2) {
+ ((char *)address)[i] = i & 0xff;
+ ((char *)address)[i+1] = i & 0xff;
+ }
+ }
+ printf("===== READING =====\n");
+ for (i = 0; i < 0x10; i++)
+ printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
+ printf("\n");
+ printf("===== /proc/drm/1/vmainfo =====\n");
+ sprintf(buf, "cat /proc/drm/1/vmainfo");
+ system(buf);
+ break;
+ case 'L':
+ context = strtoul(optarg, &pt, 0);
+ offset = strtoul(pt+1, &pt, 0);
+ size = strtoul(pt+1, &pt, 0);
+ loops = strtoul(pt+1, NULL, 0);
+ address = NULL;
+ if ((r = drmMap(fd, offset, size, &address))) {
+ drmError(r, argv[0]);
+ return 1;
+ }
+ lock = address;
+#if 1
+ {
+ int counter = 0;
+ struct timeval loop_start, loop_end;
+ struct timeval lock_start, lock_end;
+ double wt;
+#define HISTOSIZE 9
+ int histo[HISTOSIZE];
+ int output = 0;
+ int fast = 0;
+
+ if (loops < 0) {
+ loops = -loops;
+ ++output;
+ }
+
+ for (i = 0; i < HISTOSIZE; i++) histo[i] = 0;
+
+ gettimeofday(&loop_start, NULL);
+ for (i = 0; i < loops; i++) {
+ gettimeofday(&lock_start, NULL);
+ DRM_LIGHT_LOCK_COUNT(fd,lock,context,fast);
+ gettimeofday(&lock_end, NULL);
+ DRM_UNLOCK(fd,lock,context);
+ ++counter;
+ wt = usec(&lock_end, &lock_start);
+ if (wt <= 2.5) ++histo[8];
+ if (wt < 5.0) ++histo[0];
+ else if (wt < 50.0) ++histo[1];
+ else if (wt < 500.0) ++histo[2];
+ else if (wt < 5000.0) ++histo[3];
+ else if (wt < 50000.0) ++histo[4];
+ else if (wt < 500000.0) ++histo[5];
+ else if (wt < 5000000.0) ++histo[6];
+ else ++histo[7];
+ if (output) printf( "%.2f uSec, %d fast\n", wt, fast);
+ }
+ gettimeofday(&loop_end, NULL);
+ printf( "Average wait time = %.2f usec, %d fast\n",
+ usec(&loop_end, &loop_start) / counter, fast);
+ printf( "%9d <= 2.5 uS\n", histo[8]);
+ printf( "%9d < 5 uS\n", histo[0]);
+ printf( "%9d < 50 uS\n", histo[1]);
+ printf( "%9d < 500 uS\n", histo[2]);
+ printf( "%9d < 5000 uS\n", histo[3]);
+ printf( "%9d < 50000 uS\n", histo[4]);
+ printf( "%9d < 500000 uS\n", histo[5]);
+ printf( "%9d < 5000000 uS\n", histo[6]);
+ printf( "%9d >= 5000000 uS\n", histo[7]);
+ }
+#else
+ printf( "before lock: 0x%08x\n", lock->lock);
+ printf( "lock: 0x%08x\n", lock->lock);
+ sleep(5);
+ printf( "unlock: 0x%08x\n", lock->lock);
+#endif
+ break;
+ default:
+ fprintf( stderr, "Usage: drmstat [options]\n" );
+ return 1;
+ }
+
+ return r;
+}
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