From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 15 May 2014 12:10:54 +0000 (+0100)
Subject: gem_exec_lut_handle: Do a warm up pass before timing
X-Git-Tag: intel-gpu-tools-1.7~75
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=465793bfd185062cfaee1b0dd3abf98ce5218333;p=platform%2Fupstream%2Fintel-gpu-tools.git

gem_exec_lut_handle: Do a warm up pass before timing

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---

diff --git a/tests/gem_exec_lut_handle.c b/tests/gem_exec_lut_handle.c
index dc78efb..6ee7527 100644
--- a/tests/gem_exec_lut_handle.c
+++ b/tests/gem_exec_lut_handle.c
@@ -155,6 +155,7 @@ igt_simple_main
 			for (i = 0, m = 1; m <= MAX_NUM_RELOC; m *= 2, i++) {
 				struct timeval start, end;
 
+				do_or_die(exec(fd, n, m, 0 | p->flags));
 				gettimeofday(&start, NULL);
 				for (count = 0; count < 1000; count++)
 					do_or_die(exec(fd, n, m, 0 | p->flags));
@@ -162,6 +163,7 @@ igt_simple_main
 				gem_sync(fd, gem_exec[MAX_NUM_EXEC].handle);
 				elapsed[i][0] = ELAPSED(&start, &end);
 
+				do_or_die(exec(fd, n, m, USE_LUT | p->flags));
 				gettimeofday(&start, NULL);
 				for (count = 0; count < 1000; count++)
 					do_or_die(exec(fd, n, m, USE_LUT | p->flags));