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Message-Id: <20230224-track_gt-v8-0-4b6517e61be6@intel.com>
Date: Tue, 25 Apr 2023 00:05:38 +0200
From: Andrzej Hajda <andrzej.hajda@...el.com>
To: Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Eric Dumazet <edumazet@...gle.com>
Cc: linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org,
Chris Wilson <chris@...is-wilson.co.uk>,
netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
Dmitry Vyukov <dvyukov@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Andi Shyti <andi.shyti@...ux.intel.com>,
Andrzej Hajda <andrzej.hajda@...el.com>
Subject: [PATCH v8 0/7] drm/i915: use ref_tracker library for tracking wakerefs
This is revived patchset improving ref_tracker library and converting
i915 internal tracker to ref_tracker.
The old thread ended without consensus about small kernel allocations,
which are performed under spinlock.
I have tried to solve the problem by splitting the calls, but it results
in complicated API, so I went back to original solution.
If there are better solutions I am glad to discuss them.
Meanwhile I send original patchset with addressed remaining comments.
To: Jani Nikula <jani.nikula@...ux.intel.com>
To: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
To: Rodrigo Vivi <rodrigo.vivi@...el.com>
To: Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
To: David Airlie <airlied@...il.com>
To: Daniel Vetter <daniel@...ll.ch>
To: Eric Dumazet <edumazet@...gle.com>
Cc: linux-kernel@...r.kernel.org
Cc: intel-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org
Cc: Chris Wilson <chris@...is-wilson.co.uk>
Cc: netdev@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Dmitry Vyukov <dvyukov@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Andi Shyti <andi.shyti@...ux.intel.com>
Cc: Das, Nirmoy <nirmoy.das@...ux.intel.com>
Signed-off-by: Andrzej Hajda <andrzej.hajda@...el.com>
---
Changes in v8:
- addressed comments from Eric, Zhou and CI, thanks,
- added ref_tracker_dir_init name argument to all callers in one patch
- moved intel_wakeref_tracker_show to *.c
- s/intel_wakeref_tracker_show/intel_ref_tracker_show/
- removed 'default n' from Kconfig
- changed strlcpy to strscpy,
- removed assignement from if condition,
- removed long lines from patch description
- added tags
- Link to v7: https://lore.kernel.org/r/20230224-track_gt-v7-0-11f08358c1ec@intel.com
Changes in v7:
- removed 8th patch (hold wakeref), as it was already merged
- added tags (thx Andi)
- Link to v6: https://lore.kernel.org/r/20230224-track_gt-v6-0-0dc8601fd02f@intel.com
Changes in v6:
- rebased to solve minor conflict and allow CI testing
- Link to v5: https://lore.kernel.org/r/20230224-track_gt-v5-0-77be86f2c872@intel.com
Changes in v5 (thx Andi for review):
- use *_locked convention instead of __*,
- improved commit messages,
- re-worked i915 patches, squashed separation and conversion patches,
- added tags,
- Link to v4: https://lore.kernel.org/r/20230224-track_gt-v4-0-464e8ab4c9ab@intel.com
Changes in v4:
- split "Separate wakeref tracking" to smaller parts
- fixed typos,
- Link to v1-v3: https://patchwork.freedesktop.org/series/100327/
---
Andrzej Hajda (7):
lib/ref_tracker: add unlocked leak print helper
lib/ref_tracker: improve printing stats
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 custom intel runtime_pm tracker with ref_tracker library
drm/i915: Track gt pm wakerefs
drivers/gpu/drm/i915/Kconfig.debug | 18 ++
drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 7 +-
.../drm/i915/gem/selftests/i915_gem_coherency.c | 10 +-
drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 14 +-
drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 13 +-
drivers/gpu/drm/i915/gt/intel_breadcrumbs_types.h | 3 +-
drivers/gpu/drm/i915/gt/intel_context.h | 4 +-
drivers/gpu/drm/i915/gt/intel_context_types.h | 2 +
drivers/gpu/drm/i915/gt/intel_engine_pm.c | 7 +-
drivers/gpu/drm/i915/gt/intel_engine_types.h | 2 +
.../gpu/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 | 38 +++-
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 | 5 +-
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 12 +-
drivers/gpu/drm/i915/i915_driver.c | 2 +-
drivers/gpu/drm/i915/i915_pmu.c | 16 +-
drivers/gpu/drm/i915/intel_runtime_pm.c | 221 ++-------------------
drivers/gpu/drm/i915/intel_runtime_pm.h | 11 +-
drivers/gpu/drm/i915/intel_wakeref.c | 35 +++-
drivers/gpu/drm/i915/intel_wakeref.h | 73 ++++++-
include/linux/ref_tracker.h | 25 ++-
lib/ref_tracker.c | 179 ++++++++++++++---
lib/test_ref_tracker.c | 2 +-
net/core/dev.c | 2 +-
net/core/net_namespace.c | 4 +-
32 files changed, 445 insertions(+), 332 deletions(-)
---
base-commit: 4d0066a1c0763d50b6fb017e27d12b081ce21b57
change-id: 20230224-track_gt-1b3da8bdacd7
Best regards,
--
Andrzej Hajda <andrzej.hajda@...el.com>
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