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https://gitlab.freedesktop.org/mesa/drm.git
synced 2025-12-20 08:10:11 +01:00
Add some relevant tests for the new buffer object interface.
This commit is contained in:
Thomas Hellstrom
parent
c01fe2cdd4
commit
9968a21be1
1 changed files with 220 additions and 1 deletions
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@ -1,4 +1,3 @@
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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@ -12,8 +11,11 @@
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#include "sys/types.h"
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include "sys/mman.h"
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typedef struct
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{
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enum
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@ -75,6 +77,27 @@ fastrdtsc(void)
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}
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#endif
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void
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bmError(int val, const char *file, const char *function, int line)
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{
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fprintf(stderr,"Fatal video memory manager error \"%s\".\n"
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"Check kernel logs or set the LIBGL_DEBUG\n"
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"environment variable to \"verbose\" for more info.\n"
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"Detected in file %s, line %d, function %s.\n",
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strerror(-val), file, line, function);
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abort();
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}
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#define BM_CKFATAL(val) \
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do{ \
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int tstVal = (val); \
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if (tstVal) \
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bmError(tstVal, __FILE__, __FUNCTION__, __LINE__); \
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} while(0);
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static unsigned
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time_diff(unsigned t, unsigned t2)
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{
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@ -104,9 +127,205 @@ releaseContext(TinyDRIContext * ctx)
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return -1;
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}
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static void readBuf(void *buf, unsigned long size)
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{
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volatile unsigned *buf32 = (unsigned *)buf;
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unsigned *end = (unsigned *)buf32 + size / sizeof(*buf32);
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while(buf32 < end) {
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(void) *buf32++;
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}
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}
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static int benchmarkBuffer(TinyDRIContext *ctx, unsigned long size,
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unsigned long *ticks)
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{
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unsigned long curTime, oldTime;
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int ret;
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drmBO buf;
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void *virtual;
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/*
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* Test system memory objects.
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*/
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOCreate(ctx->drmFD, 0, size, 0, NULL,
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drm_bo_type_dc,
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DRM_BO_FLAG_READ |
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DRM_BO_FLAG_WRITE |
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DRM_BO_FLAG_MEM_LOCAL |
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DRM_BO_FLAG_NO_EVICT, 0, &buf));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
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DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0,
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&virtual));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0xF0, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0x0F, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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readBuf(virtual, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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/*
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* Test TT bound buffer objects.
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*/
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BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
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DRM_BO_FLAG_MEM_TT, DRM_BO_MASK_MEM,
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DRM_BO_HINT_DONT_FENCE));
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curTime = fastrdtsc();
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BM_CKFATAL(drmUnlock(ctx->drmFD, ctx->hwContext));
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
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DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0,
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&virtual));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0xF0, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0x0F, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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readBuf(virtual, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
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BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
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DRM_BO_FLAG_MEM_LOCAL, DRM_BO_MASK_MEM,
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DRM_BO_HINT_DONT_FENCE));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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/*
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* Test cached buffers objects.
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*/
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oldTime = fastrdtsc();
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ret = drmBOValidate(ctx->drmFD, &buf,
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DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_BIND_CACHED,
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DRM_BO_MASK_MEM | DRM_BO_FLAG_BIND_CACHED,
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DRM_BO_HINT_DONT_FENCE);
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curTime = fastrdtsc();
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drmUnlock(ctx->drmFD, ctx->hwContext);
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if (ret) {
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printf("Couldn't bind cached. Probably no support\n");
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BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));
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return 1;
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}
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
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DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0,
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&virtual));
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0xF0, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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memset(virtual, 0x0F, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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oldTime = fastrdtsc();
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readBuf(virtual, buf.size);
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curTime = fastrdtsc();
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*ticks++ = time_diff(oldTime, curTime);
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BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
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BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));
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return 0;
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}
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static void
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testAGP(TinyDRIContext * ctx)
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{
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unsigned long ticks[128], *pTicks;
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unsigned long size = 4096*1024;
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int ret;
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ret = benchmarkBuffer(ctx, size, ticks);
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if (ret < 0) {
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fprintf(stderr, "Buffer error %s\n", strerror(-ret));
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return;
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}
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pTicks = ticks;
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printf("Buffer size %d bytes\n", size);
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printf("System memory timings ********************************\n");
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printf("Creation took %12lu ticks\n", *pTicks++);
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printf("Mapping took %12lu ticks\n", *pTicks++);
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printf("Writing took %12lu ticks\n", *pTicks++);
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printf("Writing Again took %12lu ticks\n", *pTicks++);
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printf("Reading took %12lu ticks\n", *pTicks++);
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printf("Unmapping took %12lu ticks\n", *pTicks++);
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printf("\nTT Memory timings ************************************\n");
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printf("Moving to TT took %12lu ticks\n", *pTicks++);
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printf("Mapping in TT took %12lu ticks\n", *pTicks++);
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printf("Writing to TT took %12lu ticks\n", *pTicks++);
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printf("Writing again to TT took %12lu ticks\n", *pTicks++);
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printf("Reading from TT took %12lu ticks\n", *pTicks++);
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printf("Moving to system took %12lu ticks\n", *pTicks++);
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if (ret == 1)
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return;
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printf("\nCached TT Memory timings *****************************\n");
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printf("Moving to CTT took %12lu ticks\n", *pTicks++);
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printf("Mapping in CTT took %12lu ticks\n", *pTicks++);
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printf("Writing to CTT took %12lu ticks\n", *pTicks++);
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printf("Re-writing to CTT took %12lu ticks\n", *pTicks++);
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printf("Reading from CTT took %12lu ticks\n", *pTicks++);
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printf("\n\n");
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}
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int
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