On Thu, Feb 09, 2017 at 10:58:38AM +0100, Geert Uytterhoeven wrote: > Hi Chris, Dave, > > Recently, I started seeing ca. 2 minute delays during boot-up on Renesas > R-Car Gen2 boards. > > It turned out the DRM range manager selftests started taking quite some time. > With debug output, I get: > > [ 2.310472] drm_mm: Testing DRM range manger (struct drm_mm), with > random_seed=0x637f8ba8 max_iterations=8192 max_prime=128 > [ 2.321625] drm_mm: drm: Running sanitycheck > [ 2.325905] drm_mm: igt_sanitycheck - ok! > [ 2.329915] drm_mm: drm: Running init > [ 2.333590] drm_mm: drm: Running debug > [ 2.337341] drm_mm: drm: Running reserve > [ 2.862878] drm_mm: drm: Running insert > [ 49.205174] drm_mm: drm: Running replace > [ 95.570840] drm_mm: drm: Running insert_range > [ 98.971590] drm_mm: drm: Running align > [ 98.975614] drm_mm: drm: Running align32 > [ 98.979601] drm_mm: drm: Running align64 > [ 98.983652] drm_mm: drm: Running evict > [ 100.321925] drm_mm: drm: Running evict_range > [ 101.226411] drm_mm: drm: Running bottomup > [ 101.316911] drm_mm: drm: Running topdown > [ 101.404385] drm_mm: drm: Running color > [ 103.889639] drm_mm: drm: Running color_evict > [ 107.318608] drm_mm: drm: Running color_evict_range > [ 110.485926] drm_mm: run_selftests: Completed > > Perhaps some tests can be simplified, to reduce run time? Don't build test-drm_mm as a builtin? Or set a limit to the number of tests to run, e.g. test-drm_mm.max_iterations=16 test-drm_mm.max_primes=16. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
