[igt-dev] [PATCH i-g-t] lib: Keep upto half of RAM reserved for test runner

[igt-dev] [PATCH i-g-t] lib: Keep upto half of RAM reserved for test runner

[Chris Wilson]

Halve our estimated available RAM for use by the tests to avoid nasty
situations where the test runner may force us into swap.

Rumour has it that the new runner isn't quite so bloated as piglit...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tomi Sarvela <tomi.p.sarvela@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
---
 lib/intel_os.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/intel_os.c b/lib/intel_os.c
index 29a27272e..4037440fd 100644
--- a/lib/intel_os.c
+++ b/lib/intel_os.c
@@ -329,8 +329,11 @@ int __intel_check_memory(uint64_t count, uint64_t size, unsigned mode,
 		  mode & CHECK_SWAP ? " + swap": "");
 
 	total = 0;
-	if (mode & (CHECK_RAM | CHECK_SWAP))
-		total += intel_get_avail_ram_mb();
+	if (mode & (CHECK_RAM | CHECK_SWAP)) {
+		total = intel_get_avail_ram_mb();
+		/* Keep some in reserve for the runner. */
+		total -= min(total / 2, 1000);
+	}
 	if (mode & CHECK_SWAP)
 		total += intel_get_total_swap_mb();
 	total *= 1024 * 1024;
-- 
2.18.0

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[igt-dev] ✓ Fi.CI.BAT: success for lib: Keep upto half of RAM reserved for test runner

[Patchwork]

== Series Details ==

Series: lib: Keep upto half of RAM reserved for test runner
URL   : https://patchwork.freedesktop.org/series/48186/
State : success

== Summary ==

= CI Bug Log - changes from CI_DRM_4664 -> IGTPW_1710 =

== Summary - WARNING ==

  Minor unknown changes coming with IGTPW_1710 need to be verified
  manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_1710, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48186/revisions/1/mbox/

== Possible new issues ==

  Here are the unknown changes that may have been introduced in IGTPW_1710:

  === IGT changes ===

    ==== Warnings ====

    igt@gem_exec_gttfill@basic:
      fi-pnv-d510:        PASS -> SKIP

    
== Known issues ==

  Here are the changes found in IGTPW_1710 that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@drv_selftest@live_workarounds:
      fi-skl-6700hq:      PASS -> DMESG-FAIL (fdo#107292)

    
    ==== Possible fixes ====

    igt@drv_selftest@live_coherency:
      fi-gdg-551:         DMESG-FAIL (fdo#107164) -> PASS

    igt@drv_selftest@live_hangcheck:
      fi-skl-guc:         DMESG-FAIL (fdo#107174, fdo#106685) -> PASS

    igt@gem_exec_suspend@basic-s4-devices:
      fi-kbl-7500u:       DMESG-WARN (fdo#107139, fdo#105128) -> PASS

    igt@kms_chamelium@dp-crc-fast:
      fi-kbl-7500u:       DMESG-FAIL (fdo#103841) -> PASS

    {igt@kms_psr@primary_mmap_gtt}:
      fi-cnl-psr:         DMESG-WARN (fdo#107372) -> PASS

    
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  fdo#103841 https://bugs.freedesktop.org/show_bug.cgi?id=103841
  fdo#105128 https://bugs.freedesktop.org/show_bug.cgi?id=105128
  fdo#106685 https://bugs.freedesktop.org/show_bug.cgi?id=106685
  fdo#107139 https://bugs.freedesktop.org/show_bug.cgi?id=107139
  fdo#107164 https://bugs.freedesktop.org/show_bug.cgi?id=107164
  fdo#107174 https://bugs.freedesktop.org/show_bug.cgi?id=107174
  fdo#107292 https://bugs.freedesktop.org/show_bug.cgi?id=107292
  fdo#107372 https://bugs.freedesktop.org/show_bug.cgi?id=107372


== Participating hosts (54 -> 49) ==

  Missing    (5): fi-ctg-p8600 fi-ilk-m540 fi-byt-squawks fi-bsw-cyan fi-hsw-4200u 


== Build changes ==

    * IGT: IGT_4593 -> IGTPW_1710

  CI_DRM_4664: 19e458884fe1d8d10e453529933199250cc8821f @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1710: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1710/
  IGT_4593: c88e219c6e890d89b7836c5e248ffedf334d55a2 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1710/issues.html
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[igt-dev] ✓ Fi.CI.IGT: success for lib: Keep upto half of RAM reserved for test runner

[Patchwork]

== Series Details ==

Series: lib: Keep upto half of RAM reserved for test runner
URL   : https://patchwork.freedesktop.org/series/48186/
State : success

== Summary ==

= CI Bug Log - changes from IGT_4593_full -> IGTPW_1710_full =

== Summary - WARNING ==

  Minor unknown changes coming with IGTPW_1710_full need to be verified
  manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_1710_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/48186/revisions/1/mbox/

== Possible new issues ==

  Here are the unknown changes that may have been introduced in IGTPW_1710_full:

  === IGT changes ===

    ==== Warnings ====

    igt@gem_tiled_blits@interruptible:
      shard-glk:          PASS -> SKIP +4

    
== Known issues ==

  Here are the changes found in IGTPW_1710_full that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@gem_exec_schedule@pi-ringfull-render:
      shard-glk:          NOTRUN -> FAIL (fdo#103158)

    igt@kms_plane_multiple@atomic-pipe-a-tiling-x:
      shard-snb:          PASS -> FAIL (fdo#103166)

    igt@kms_rotation_crc@primary-rotation-180:
      shard-snb:          PASS -> FAIL (fdo#103925)

    igt@kms_setmode@basic:
      shard-apl:          PASS -> FAIL (fdo#99912)

    igt@prime_busy@after-vebox:
      shard-snb:          SKIP -> INCOMPLETE (fdo#105411)

    
    ==== Possible fixes ====

    igt@drv_suspend@shrink:
      shard-snb:          INCOMPLETE (fdo#105411, fdo#106886) -> PASS

    igt@kms_flip@2x-flip-vs-expired-vblank:
      shard-glk:          FAIL (fdo#105363) -> PASS

    igt@kms_flip@flip-vs-expired-vblank-interruptible:
      shard-glk:          FAIL (fdo#102887, fdo#105363) -> PASS

    igt@kms_setmode@basic:
      shard-kbl:          FAIL (fdo#99912) -> PASS

    igt@perf_pmu@busy-accuracy-50-bcs0:
      shard-snb:          INCOMPLETE (fdo#105411) -> SKIP

    
  fdo#102887 https://bugs.freedesktop.org/show_bug.cgi?id=102887
  fdo#103158 https://bugs.freedesktop.org/show_bug.cgi?id=103158
  fdo#103166 https://bugs.freedesktop.org/show_bug.cgi?id=103166
  fdo#103925 https://bugs.freedesktop.org/show_bug.cgi?id=103925
  fdo#105363 https://bugs.freedesktop.org/show_bug.cgi?id=105363
  fdo#105411 https://bugs.freedesktop.org/show_bug.cgi?id=105411
  fdo#106886 https://bugs.freedesktop.org/show_bug.cgi?id=106886
  fdo#99912 https://bugs.freedesktop.org/show_bug.cgi?id=99912


== Participating hosts (5 -> 5) ==

  No changes in participating hosts


== Build changes ==

    * IGT: IGT_4593 -> IGTPW_1710
    * Linux: CI_DRM_4660 -> CI_DRM_4664

  CI_DRM_4660: 9cd882754c1017e68ed9d2c8d57dc326530522fe @ git://anongit.freedesktop.org/gfx-ci/linux
  CI_DRM_4664: 19e458884fe1d8d10e453529933199250cc8821f @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_1710: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1710/
  IGT_4593: c88e219c6e890d89b7836c5e248ffedf334d55a2 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1710/shards.html
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