The previous sample rate of ~167 per frame was rather low in relation to frequency of the events being measured and so for example the derived busy status could become quite unstable at times. --- tools/intel_gpu_top.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c index fef7f96..f60e58b 100644 --- a/tools/intel_gpu_top.c +++ b/tools/intel_gpu_top.c @@ -50,7 +50,8 @@ #define FORCEWAKE 0xA18C #define FORCEWAKE_ACK 0x130090 -#define SAMPLES_PER_SEC 10000 +/* Aim for ~2000 samples per frame @ 60fps... */ +#define SAMPLES_PER_SEC (60 * 2000) #define SAMPLES_TO_PERCENT_RATIO (SAMPLES_PER_SEC / 100) #define MAX_NUM_TOP_BITS 100 -- 2.0.1 --------------------------------------------------------------------- Intel Corporation (UK) Limited Registered No. 1134945 (England) Registered Office: Pipers Way, Swindon SN3 1RJ VAT No: 860 2173 47 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
