Tools/MediaDriverTools/UMDPerfProfiler/igfx_user_feature.txt - third_party/github.com/intel/media-driver - Git at Google

 [KEY]
     0x00000001
     UFKEY_INTERNAL\
         [VALUE]
             Perf Profiler Enable
             4
             1
         [VALUE]
             Perf Profiler Output File Name
             1
             linux_perf_out.bin
         [VALUE]
             Perf Profiler Buffer Size
             4
             512000000
	[KEY]
	0x00000001
	UFKEY_INTERNAL\
	[VALUE]
	Perf Profiler Enable
	4
	1
	[VALUE]
	Perf Profiler Output File Name
	1
	linux_perf_out.bin
	[VALUE]
	Perf Profiler Buffer Size
	4
	512000000