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xf86-video-intel
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intel: If need be, try mounting debugfs 

If we require debugging information from debugfs and we cannot find it,
silently mount it and dump the information we need.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-08-09 07:37:58 +01:00
parent dea65e8be7
commit 5c7965f00f
1 changed files with 8 additions and 0 deletions
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8
src/intel_device.c
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@ -30,6 +30,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <assert.h>
#include <string.h>
#include <unistd.h>
@ -141,6 +142,13 @@ static void dump_debugfs(ScrnInfoPtr scrn, int fd, const char *name)
sprintf(path, "/debug/dri/%d/%s", minor, name);
if (dump_file(scrn, path))
return;
if (mount("X-debug", "/sys/kernel/debug", "debugfs", 0, 0) == 0) {
sprintf(path, "/sys/kernel/debug/dri/%d/%s", minor, name);
dump_file(scrn, path);
umount("X-debug");
return;
}
}
static void dump_clients_info(ScrnInfoPtr scrn, int fd)