Aurelien
/
xf86-video-intel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sna: Dump fence registers upon starvation 

References: https://bugs.freedesktop.org/show_bug.cgi?id=73696
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-01-18 21:38:59 +00:00
parent 35ea7b2dd5
commit 9342bc3dfd
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/sna/kgem.c
View File

@ -2893,6 +2893,29 @@ static void dump_gtt_info(void)
}
}
}
static void dump_fence_regs(void)
{
int i;
for (i = 0; i < DRM_MAX_MINOR; i++) {
char path[80];
FILE *file;
sprintf(path, "/sys/kernel/debug/dri%d/i915_gem_fence_regs", i);
file = fopen(path, "r");
if (file) {
size_t len = 0;
char *line = NULL;
while (getline(&line, &len, file) != -1)
ErrorF("%s", line);
free(line);
fclose(file);
return;
}
}
}
#endif
void _kgem_submit(struct kgem *kgem)
@ -3049,6 +3072,8 @@ void _kgem_submit(struct kgem *kgem)
if (ret == ENOSPC)
dump_gtt_info();
if (ret == EDEADLK)
dump_fence_regs();
if (DEBUG_SYNC) {
int fd = open("/tmp/batchbuffer", O_WRONLY | O_CREAT | O_APPEND, 0666);