436 lines
12 KiB
C
436 lines
12 KiB
C
/* drmstat.c -- DRM device status and testing program
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* Created: Tue Jan 5 08:19:24 1999 by faith@precisioninsight.com
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors: Rickard E. (Rik) Faith <faith@valinux.com>
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*
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <getopt.h>
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#include <strings.h>
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#include <errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#endif
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#include "xf86drm.h"
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/* Support gcc's __FUNCTION__ for people using other compilers */
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#if !defined(__GNUC__) && !defined(__FUNCTION__)
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# define __FUNCTION__ __func__ /* C99 */
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#endif
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int sigio_fd;
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static double usec(struct timeval *end, struct timeval *start)
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{
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double e = end->tv_sec * 1000000 + end->tv_usec;
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double s = start->tv_sec * 1000000 + start->tv_usec;
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return e - s;
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}
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static void getversion(int fd)
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{
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drmVersionPtr version;
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version = drmGetVersion(fd);
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if (version) {
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printf( "Name: %s\n", version->name ? version->name : "?" );
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printf( " Version: %d.%d.%d\n",
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version->version_major,
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version->version_minor,
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version->version_patchlevel );
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printf( " Date: %s\n", version->date ? version->date : "?" );
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printf( " Desc: %s\n", version->desc ? version->desc : "?" );
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drmFreeVersion(version);
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} else {
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printf( "No driver available\n" );
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}
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}
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void handler(int fd, void *oldctx, void *newctx)
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{
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printf("Got fd %d\n", fd);
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}
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void process_sigio(char *device)
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{
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int fd;
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if ((fd = open(device, 0)) < 0) {
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drmError(-errno, __FUNCTION__);
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exit(1);
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}
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sigio_fd = fd;
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/* drmInstallSIGIOHandler(fd, handler); */
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for (;;) sleep(60);
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}
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int main(int argc, char **argv)
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{
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int c;
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int r = 0;
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int fd = -1;
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drm_handle_t handle;
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void *address;
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char *pt;
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unsigned long count;
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unsigned long offset;
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unsigned long size;
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drm_context_t context;
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int loops;
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char buf[1024];
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int i;
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drmBufInfoPtr info;
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drmBufMapPtr bufs;
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drmLockPtr lock;
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int secs;
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while ((c = getopt(argc, argv,
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"lc:vo:O:f:s:w:W:b:r:R:P:L:C:XS:B:F:")) != EOF)
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switch (c) {
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case 'F':
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count = strtoul(optarg, NULL, 0);
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if (!fork()) {
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dup(fd);
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sleep(count);
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}
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close(fd);
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break;
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case 'v': getversion(fd); break;
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case 'X':
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if ((r = drmCreateContext(fd, &context))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf( "Got %d\n", context);
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break;
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case 'S':
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process_sigio(optarg);
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break;
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case 'C':
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if ((r = drmSwitchToContext(fd, strtoul(optarg, NULL, 0)))) {
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drmError(r, argv[0]);
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return 1;
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}
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break;
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case 'c':
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if ((r = drmSetBusid(fd,optarg))) {
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drmError(r, argv[0]);
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return 1;
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}
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break;
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case 'o':
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if ((fd = drmOpen(optarg, NULL)) < 0) {
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drmError(fd, argv[0]);
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return 1;
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}
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break;
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case 'O':
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if ((fd = drmOpen(NULL, optarg)) < 0) {
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drmError(fd, argv[0]);
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return 1;
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}
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break;
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case 'B': /* Test buffer allocation */
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count = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, &pt, 0);
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secs = strtoul(pt+1, NULL, 0);
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{
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drmDMAReq dma;
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int *indices, *sizes;
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indices = alloca(sizeof(*indices) * count);
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sizes = alloca(sizeof(*sizes) * count);
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dma.context = context;
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dma.send_count = 0;
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dma.request_count = count;
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dma.request_size = size;
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dma.request_list = indices;
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dma.request_sizes = sizes;
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dma.flags = DRM_DMA_WAIT;
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if ((r = drmDMA(fd, &dma))) {
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drmError(r, argv[0]);
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return 1;
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}
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for (i = 0; i < dma.granted_count; i++) {
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printf("%5d: index = %d, size = %d\n",
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i, dma.request_list[i], dma.request_sizes[i]);
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}
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sleep(secs);
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drmFreeBufs(fd, dma.granted_count, indices);
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}
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break;
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case 'b':
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count = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, NULL, 0);
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if ((r = drmAddBufs(fd, count, size, 0, 65536)) < 0) {
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drmError(r, argv[0]);
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return 1;
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}
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if (!(info = drmGetBufInfo(fd))) {
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drmError(0, argv[0]);
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return 1;
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}
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for (i = 0; i < info->count; i++) {
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printf("%5d buffers of size %6d (low = %d, high = %d)\n",
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info->list[i].count,
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info->list[i].size,
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info->list[i].low_mark,
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info->list[i].high_mark);
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}
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if ((r = drmMarkBufs(fd, 0.50, 0.80))) {
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drmError(r, argv[0]);
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return 1;
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}
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if (!(info = drmGetBufInfo(fd))) {
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drmError(0, argv[0]);
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return 1;
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}
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for (i = 0; i < info->count; i++) {
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printf("%5d buffers of size %6d (low = %d, high = %d)\n",
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info->list[i].count,
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info->list[i].size,
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info->list[i].low_mark,
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info->list[i].high_mark);
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}
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printf("===== /proc/dri/0/mem =====\n");
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sprintf(buf, "cat /proc/dri/0/mem");
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system(buf);
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#if 1
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if (!(bufs = drmMapBufs(fd))) {
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drmError(0, argv[0]);
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return 1;
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}
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printf("===============================\n");
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printf( "%d bufs\n", bufs->count);
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for (i = 0; i < bufs->count; i++) {
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printf( " %4d: %8d bytes at %p\n",
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i,
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bufs->list[i].total,
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bufs->list[i].address);
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}
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printf("===== /proc/dri/0/vma =====\n");
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sprintf(buf, "cat /proc/dri/0/vma");
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system(buf);
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#endif
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break;
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case 'f':
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offset = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, NULL, 0);
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handle = 0;
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if ((r = drmAddMap(fd, offset, size,
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DRM_FRAME_BUFFER, 0, &handle))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf("0x%08lx:0x%04lx added\n", offset, size);
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printf("===== /proc/dri/0/mem =====\n");
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sprintf(buf, "cat /proc/dri/0/mem");
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system(buf);
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break;
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case 'r':
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case 'R':
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offset = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, NULL, 0);
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handle = 0;
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if ((r = drmAddMap(fd, offset, size,
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DRM_REGISTERS,
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c == 'R' ? DRM_READ_ONLY : 0,
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&handle))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf("0x%08lx:0x%04lx added\n", offset, size);
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printf("===== /proc/dri/0/mem =====\n");
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sprintf(buf, "cat /proc/dri/0/mem");
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system(buf);
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break;
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case 's':
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size = strtoul(optarg, &pt, 0);
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handle = 0;
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if ((r = drmAddMap(fd, 0, size,
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DRM_SHM, DRM_CONTAINS_LOCK,
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&handle))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf("0x%04lx byte shm added at 0x%08lx\n", size, handle);
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sprintf(buf, "cat /proc/dri/0/vm");
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system(buf);
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break;
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case 'P':
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offset = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, NULL, 0);
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address = NULL;
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if ((r = drmMap(fd, offset, size, &address))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
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offset, size, address, getpid());
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printf("===== /proc/dri/0/vma =====\n");
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sprintf(buf, "cat /proc/dri/0/vma");
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system(buf);
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mprotect((void *)offset, size, PROT_READ);
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printf("===== /proc/dri/0/vma =====\n");
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sprintf(buf, "cat /proc/dri/0/vma");
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system(buf);
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break;
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case 'w':
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case 'W':
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offset = strtoul(optarg, &pt, 0);
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size = strtoul(pt+1, NULL, 0);
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address = NULL;
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if ((r = drmMap(fd, offset, size, &address))) {
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drmError(r, argv[0]);
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return 1;
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}
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printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
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offset, size, address, getpid());
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printf("===== /proc/%d/maps =====\n", getpid());
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sprintf(buf, "cat /proc/%d/maps", getpid());
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system(buf);
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printf("===== /proc/dri/0/mem =====\n");
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sprintf(buf, "cat /proc/dri/0/mem");
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system(buf);
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printf("===== /proc/dri/0/vma =====\n");
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sprintf(buf, "cat /proc/dri/0/vma");
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system(buf);
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printf("===== READING =====\n");
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for (i = 0; i < 0x10; i++)
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printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
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printf("\n");
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if (c == 'w') {
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printf("===== WRITING =====\n");
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for (i = 0; i < size; i+=2) {
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((char *)address)[i] = i & 0xff;
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((char *)address)[i+1] = i & 0xff;
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}
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}
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printf("===== READING =====\n");
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for (i = 0; i < 0x10; i++)
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printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
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printf("\n");
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printf("===== /proc/dri/0/vma =====\n");
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sprintf(buf, "cat /proc/dri/0/vma");
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system(buf);
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break;
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case 'L':
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context = strtoul(optarg, &pt, 0);
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offset = strtoul(pt+1, &pt, 0);
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size = strtoul(pt+1, &pt, 0);
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loops = strtoul(pt+1, NULL, 0);
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address = NULL;
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if ((r = drmMap(fd, offset, size, &address))) {
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drmError(r, argv[0]);
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return 1;
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}
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lock = address;
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#if 1
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{
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int counter = 0;
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struct timeval loop_start, loop_end;
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struct timeval lock_start, lock_end;
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double wt;
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#define HISTOSIZE 9
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int histo[HISTOSIZE];
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int output = 0;
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int fast = 0;
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if (loops < 0) {
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loops = -loops;
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++output;
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}
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for (i = 0; i < HISTOSIZE; i++) histo[i] = 0;
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gettimeofday(&loop_start, NULL);
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for (i = 0; i < loops; i++) {
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gettimeofday(&lock_start, NULL);
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DRM_LIGHT_LOCK_COUNT(fd,lock,context,fast);
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gettimeofday(&lock_end, NULL);
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DRM_UNLOCK(fd,lock,context);
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++counter;
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wt = usec(&lock_end, &lock_start);
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if (wt <= 2.5) ++histo[8];
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if (wt < 5.0) ++histo[0];
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else if (wt < 50.0) ++histo[1];
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else if (wt < 500.0) ++histo[2];
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else if (wt < 5000.0) ++histo[3];
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else if (wt < 50000.0) ++histo[4];
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else if (wt < 500000.0) ++histo[5];
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else if (wt < 5000000.0) ++histo[6];
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else ++histo[7];
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if (output) printf( "%.2f uSec, %d fast\n", wt, fast);
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}
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gettimeofday(&loop_end, NULL);
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printf( "Average wait time = %.2f usec, %d fast\n",
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usec(&loop_end, &loop_start) / counter, fast);
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printf( "%9d <= 2.5 uS\n", histo[8]);
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printf( "%9d < 5 uS\n", histo[0]);
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printf( "%9d < 50 uS\n", histo[1]);
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printf( "%9d < 500 uS\n", histo[2]);
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printf( "%9d < 5000 uS\n", histo[3]);
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printf( "%9d < 50000 uS\n", histo[4]);
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printf( "%9d < 500000 uS\n", histo[5]);
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printf( "%9d < 5000000 uS\n", histo[6]);
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printf( "%9d >= 5000000 uS\n", histo[7]);
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}
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#else
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printf( "before lock: 0x%08x\n", lock->lock);
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printf( "lock: 0x%08x\n", lock->lock);
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sleep(5);
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printf( "unlock: 0x%08x\n", lock->lock);
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#endif
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break;
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default:
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fprintf( stderr, "Usage: drmstat [options]\n" );
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return 1;
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}
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return r;
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}
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void DRM_PRINTFLIKE(4, 0)
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xf86VDrvMsgVerb(int scrnIndex, int type, int verb, const char *format,
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va_list args)
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{
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vfprintf(stderr, format, args);
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}
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int xf86ConfigDRI[10];
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