Hi,
Appearance of ref_tracker library allows to drop custom solution for wakeref
tracking used in i915 and reuse the library.
For this few adjustements has been made to ref_tracker, details in patches.
I hope changes are OK for original author.
The patchset has been rebased on top of drm-tip to allow test changes by CI.
Patches marked "[DO NOT MERGE]" are cherry-picked from linux-next (they are
not yet in drm-tip), to allow build and run CI on the patchset (it works only
on drm-tip tree).
Added CC to netdev as the only user of the library atm.
v2:
- replaced list_sort with ref_tracker_dir_stats, to avoid potentially
extensive sorting, if number of reports is expected to be big enough (???)
we can replace linear search in ref_tracker_dir_stats.stacks with binary
heap (min_heap),
- refactored gfp flags,
- fixed i915 handling of no-tracking flag.
Regards
Andrzej
Andrzej Hajda (6):
lib/ref_tracker: add unlocked leak print helper
lib/ref_tracker: __ref_tracker_dir_print improve printing
lib/ref_tracker: add printing to memory buffer
lib/ref_tracker: remove warnings in case of allocation failure
drm/i915: Correct type of wakeref variable
drm/i915: replace Intel internal tracker with kernel core ref_tracker
Chris Wilson (2):
drm/i915: Separate wakeref tracking
drm/i915: Track leaked gt->wakerefs
Eric Dumazet (3):
[DO NOT MERGE] ref_tracker: implement use-after-free detection
[DO NOT MERGE] ref_tracker: add a count of untracked references
[DO NOT MERGE] ref_tracker: remove filter_irq_stacks() call
drivers/gpu/drm/i915/Kconfig.debug | 19 ++
drivers/gpu/drm/i915/Makefile | 1 +
.../drm/i915/display/intel_display_power.c | 2 +-
.../gpu/drm/i915/gem/i915_gem_execbuffer.c | 7 +-
.../i915/gem/selftests/i915_gem_coherency.c | 10 +-
.../drm/i915/gem/selftests/i915_gem_mman.c | 14 +-
drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 13 +-
.../gpu/drm/i915/gt/intel_breadcrumbs_types.h | 3 +-
drivers/gpu/drm/i915/gt/intel_engine_pm.c | 6 +-
drivers/gpu/drm/i915/gt/intel_engine_types.h | 2 +
.../drm/i915/gt/intel_execlists_submission.c | 2 +-
drivers/gpu/drm/i915/gt/intel_gt_pm.c | 12 +-
drivers/gpu/drm/i915/gt/intel_gt_pm.h | 36 ++-
drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c | 4 +-
drivers/gpu/drm/i915/gt/selftest_engine_cs.c | 20 +-
drivers/gpu/drm/i915/gt/selftest_gt_pm.c | 5 +-
drivers/gpu/drm/i915/gt/selftest_reset.c | 10 +-
drivers/gpu/drm/i915/gt/selftest_rps.c | 17 +-
drivers/gpu/drm/i915/gt/selftest_slpc.c | 10 +-
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 11 +-
drivers/gpu/drm/i915/i915_pmu.c | 16 +-
drivers/gpu/drm/i915/intel_runtime_pm.c | 239 ++----------------
drivers/gpu/drm/i915/intel_runtime_pm.h | 10 +-
drivers/gpu/drm/i915/intel_wakeref.c | 10 +-
drivers/gpu/drm/i915/intel_wakeref.h | 112 +++++++-
include/linux/ref_tracker.h | 35 ++-
lib/ref_tracker.c | 198 ++++++++++++---
27 files changed, 480 insertions(+), 344 deletions(-)
--
2.25.1
