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Author SHA1 Message Date
Suren Baghdasaryan dc60f9717b lmkd: Handle workingset_refault vmstat field change in 5.9 kernel 
Linux kernel 5.9 change some vmstat fields including workingset_refault
which affects lmkd operation. Update vmstat parsing to handle both
old (workingset_refault) and new (workingset_refault_file) names for
that field.

Bug: 175617952
Test: lmkd_unit_test
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I8f9b3d027ca96154f07e7252902a5aa04cf05a9f
 2020-12-14 13:38:48 -08:00
Suren Baghdasaryan 9f8d3dec72 lmkd: Remove unused workingset_refault parsing from zoneinfo 
workingset_refault field in zoneinfo is currently being parsed but
is not used. Instead the same field in vmstat is being used to
capture the number of file-backed workingset refaults. Remove the
unused field parsing code.

Bug: 175617952
Test: lmkd_unit_test
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I79641a833c252cf50ac08c0c7d17c8294236d82d
 2020-12-14 13:10:59 -08:00
Kalesh Singh 5015275acf lmkd: Add clang format symlink 
Bug: 174144799
Test: clang-format -i <file>
Change-Id: I56afa2b58891fbc1786669afa7d442343dbc6f19
 2020-11-24 13:09:01 -05:00
Xin Li 1b8a38e058 Mark ab/6881855 as merged am: 07acc19c82 am: 51ce688cf3 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/13113095

Change-Id: I9fb2f19a694e46733955429117cfccace7fa55b5
 2020-11-24 00:54:32 +00:00
Xin Li 51ce688cf3 Mark ab/6881855 as merged am: 07acc19c82 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/13113095

Change-Id: I87d9d415c57bf723e40190c9e168fbdeeeb67ca7
 2020-11-24 00:25:53 +00:00
Xin Li 07acc19c82 Mark ab/6881855 as merged 
Bug: 172690556
Change-Id: I3f3d51c5ec32369ba0c31113822118d4bffe4147
 2020-11-23 11:33:00 -08:00
Xin Li 9179abf75e [automerger skipped] Skip ab/6749736 in stage. am: e6ad9cc974 -s ours am: 5f53b6182a -s ours am: 7d88c39e7e -s ours 
am skip reason: Change-Id I21557b59bcb67736b552b7f5fa3b37045851a4dd with SHA-1 5ac19eb471 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12797482

Change-Id: Ie2ea9f226d3d559d63a7f8adebfbc1a8e22a36c6
 2020-10-09 06:06:22 +00:00
Xin Li 7d88c39e7e [automerger skipped] Skip ab/6749736 in stage. am: e6ad9cc974 -s ours am: 5f53b6182a -s ours 
am skip reason: Change-Id I21557b59bcb67736b552b7f5fa3b37045851a4dd with SHA-1 5ac19eb471 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12797482

Change-Id: Ic0a4ce9ec9aacc805f9dafe2f3f5f8a58d04ec90
 2020-10-09 04:17:56 +00:00
Xin Li 5f53b6182a [automerger skipped] Skip ab/6749736 in stage. am: e6ad9cc974 -s ours 
am skip reason: Change-Id I21557b59bcb67736b552b7f5fa3b37045851a4dd with SHA-1 5ac19eb471 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12797482

Change-Id: I48f4da311c68103df2f205d1127bb3470001e461
 2020-10-09 03:39:58 +00:00
Xin Li e6ad9cc974 Skip ab/6749736 in stage. 
Merged-In: I21557b59bcb67736b552b7f5fa3b37045851a4dd
Change-Id: I4ba2e0df4785cafd998a73ac73520c5ac06cc700
 2020-10-08 17:24:04 -07:00
Sudarshan Rajagopalan c30332e48f libpsi: Export library to vendor am: c467601098 am: 54c3db5d70 am: 449b0f229f am: c9703e8e18 am: b94cc1c4d3 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437955

Change-Id: Iea962c01c5132af48d79c7d325aadd8ec1b3aecc
 2020-09-29 02:59:45 +00:00
Sudarshan Rajagopalan b94cc1c4d3 libpsi: Export library to vendor am: c467601098 am: 54c3db5d70 am: 449b0f229f am: c9703e8e18 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437955

Change-Id: I82b31efaf6b8347019fc934d154493a132cdec0d
 2020-09-29 02:22:19 +00:00
Sudarshan Rajagopalan c9703e8e18 libpsi: Export library to vendor am: c467601098 am: 54c3db5d70 am: 449b0f229f 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437955

Change-Id: I63af4bea59653360e6db2014f7d48b4478e03b48
 2020-09-29 01:56:06 +00:00
Sudarshan Rajagopalan 33cb847bf1 libpsi: Add explicit header files am: 8771e054e8 am: 41dc0274a3 am: 21eb403400 am: 070fa2cc74 am: bfacb1cbdc 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437956

Change-Id: Icc3742db01b3a580ce7857d27fa8f7820a360989
 2020-09-29 01:54:19 +00:00
Sudarshan Rajagopalan 449b0f229f libpsi: Export library to vendor am: c467601098 am: 54c3db5d70 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437955

Change-Id: I59b45e92823d544f77c7dc207b0c836d2d56280d
 2020-09-29 01:39:26 +00:00
Sudarshan Rajagopalan bfacb1cbdc libpsi: Add explicit header files am: 8771e054e8 am: 41dc0274a3 am: 21eb403400 am: 070fa2cc74 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437956

Change-Id: Ia4fff3569217a00c5aab164c96ce8d617c09f97b
 2020-09-29 01:39:06 +00:00
Sudarshan Rajagopalan 54c3db5d70 libpsi: Export library to vendor am: c467601098 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437955

Change-Id: I71df63d382caf5f06131b1f7950dab1955bb6c4d
 2020-09-29 01:21:07 +00:00
Sudarshan Rajagopalan 070fa2cc74 libpsi: Add explicit header files am: 8771e054e8 am: 41dc0274a3 am: 21eb403400 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437956

Change-Id: I5ea35dba3983dbc8d62c5dae6065139753b7a586
 2020-09-29 01:20:24 +00:00
Sudarshan Rajagopalan 21eb403400 libpsi: Add explicit header files am: 8771e054e8 am: 41dc0274a3 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437956

Change-Id: I70265a45d7aed65c9341b91db8b26968a2de1fe2
 2020-09-29 01:04:40 +00:00
Sudarshan Rajagopalan 41dc0274a3 libpsi: Add explicit header files am: 8771e054e8 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1437956

Change-Id: I7c68520392ec9aca5921dac5b372cbf011849800
 2020-09-29 00:10:01 +00:00
Sudarshan Rajagopalan c467601098 libpsi: Export library to vendor 
Make vendor_available = true so that other modules in vendor image
can leverage this library to init, register and unregister to psi.

Bug: 169346507
Change-Id: I47f7d25984e09d61703e7b2bd6fcb8db9d3814f5
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
 2020-09-28 14:51:09 -07:00
Sudarshan Rajagopalan 8771e054e8 libpsi: Add explicit header files 
The libpsi source code is missing cutils and stdio header files.
Add cutils and stdio header files, and add libcutils_headers to
the header library in Android.bp.

Bug: 169346507
Change-Id: I2d613d5724d3c5f52dd52dcae7024439f2e8d5bb
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
 2020-09-28 14:50:15 -07:00
Suren Baghdasaryan b97c3ccdfb [automerger skipped] lmkd: report kill reason, and meminfo details to statsd for each kill am: 140385d3a0 -s ours am: fb80cee5c6 -s ours 
am skip reason: Change-Id Ic46aed3c85b880b32ac5ad61b55f90e0d33517c7 with SHA-1 3cc1f13044 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12590075

Change-Id: I377006cd5c900e46e2a7306acd9bbfa264df9300
 2020-09-16 18:53:18 +00:00
Suren Baghdasaryan fb80cee5c6 [automerger skipped] lmkd: report kill reason, and meminfo details to statsd for each kill am: 140385d3a0 -s ours 
am skip reason: Change-Id Ic46aed3c85b880b32ac5ad61b55f90e0d33517c7 with SHA-1 3cc1f13044 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12590075

Change-Id: Ifde6aafa26f0af2d605a42cbf046d5a598818341
 2020-09-16 16:52:06 +00:00
Suren Baghdasaryan 4a46fc210d lmkd: report kill reason, and meminfo details to statsd for each kill am: 3cc1f13044 am: 595d1c19c7 am: f527dfc9df am: f50a9ebb36 am: 272c650dd3 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1424049

Change-Id: I779ed5e1ff805672df5de392548ba9c67e8b6b5f
 2020-09-15 20:37:48 +00:00
Suren Baghdasaryan 140385d3a0 lmkd: report kill reason, and meminfo details to statsd for each kill 
Information like free memory and swap as well as kill reason would be
useful for understanding regressions in the number of lmk kills in the
field.

Bug: 168117803
Test: statsd_testdrive 51, load with lmk_unit_test
Merged-In: Ic46aed3c85b880b32ac5ad61b55f90e0d33517c7
Change-Id: Ic46aed3c85b880b32ac5ad61b55f90e0d33517c7
 2020-09-15 11:34:27 -07:00
Martin Liu e271b2e0d0 [automerger skipped] lmkd: Fix do not kill perceptible apps due to low swap if above min wmark am: dfc73bc2fe am: f6dc513ad7 -s ours 
am skip reason: Change-Id Ifc09c2a1fe7e21faa096988f471644f63951d81c with SHA-1 dfc73bc2fe is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11699841

Change-Id: Ic497f790472f9d3f38299957c1801371dcdcb738
 2020-09-15 01:42:04 +00:00
Suren Baghdasaryan cec9b28d69 [automerger skipped] lmkd: Do not kill perceptible apps due to low swap if above min wmark am: 7afa463978 am: b286ce5376 -s ours 
am skip reason: Change-Id I6beb4b55f8b4f7bc22818b5a7bdfa3adc6cd31c1 with SHA-1 7afa463978 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11530606

Change-Id: I78567993487c791521c10a24979ea0119b9be276
 2020-09-15 01:31:46 +00:00
Suren Baghdasaryan f5eb70d918 lmkd: Set the default free swap threshold to 10% for all devices am: c2b228e498 am: f1fe0cd12c 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11530605

Change-Id: Ice078ca05303839f5b11e6322aa966ee94786b13
 2020-09-15 00:50:04 +00:00
Suren Baghdasaryan 18790ab57b lmkd: Fix min_score_adj to exclude killing foreground processes am: 0e589f61ba am: 1731180fcf 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11530604

Change-Id: I6f86c840d6ac5dad97762b6857284e91a1e62254
 2020-09-15 00:34:43 +00:00
Suren Baghdasaryan cb3ed61307 [automerger skipped] lmkd: Enable stricter compiler checks am: 5096d16091 am: eb6080bbdb -s ours 
am skip reason: Change-Id Ia802dbd7abb167d66b76390e269e4a4418ca5def with SHA-1 5096d16091 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11547395

Change-Id: I98aad15d67c5a2e93a500121516cee57f381dfbf
 2020-09-15 00:00:03 +00:00
Suren Baghdasaryan 470d39b81e [automerger skipped] lmkd: Remove unused variables and fix type mismatches am: dd7ec447ab am: 9926488b3f -s ours 
am skip reason: Change-Id I7f0839d803a6bf6532f077208ce54aba761dc9fe with SHA-1 dd7ec447ab is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11547394

Change-Id: Ie60c41a97035186bb9f691df473b9e0c541f1ebb
 2020-09-15 00:00:01 +00:00
Suren Baghdasaryan 7a3fcae9f8 [automerger skipped] lmkd: enable ro.lmk.kill_timeout_ms to be used with kill notifications am: c7e51b7b2a am: 6a1b9fda36 -s ours 
am skip reason: Change-Id Ia3eed3448fd6928a5e634c2737044722048b3578 with SHA-1 c7e51b7b2a is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11547393

Change-Id: I8fc2e4d70e5a33db8d367bba7f6948404b0b1c48
 2020-09-14 23:59:59 +00:00
Suren Baghdasaryan 159430beb8 [automerger skipped] lmkd: polling code cleanup am: 3f84a211e5 am: 7753f8a530 -s ours 
am skip reason: Change-Id If0674eda954a25f0f6c9188501ff77db8ba0813b with SHA-1 3f84a211e5 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/11547392

Change-Id: I2820f85488c8f6616eabb6f05d5b2c628497e5cb
 2020-09-14 23:59:57 +00:00
Suren Baghdasaryan 272c650dd3 lmkd: report kill reason, and meminfo details to statsd for each kill am: 3cc1f13044 am: 595d1c19c7 am: f527dfc9df am: f50a9ebb36 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1424049

Change-Id: I68a21b58828399cebd58552870015974296e1445
 2020-09-14 22:40:15 +00:00
Suren Baghdasaryan f50a9ebb36 lmkd: report kill reason, and meminfo details to statsd for each kill am: 3cc1f13044 am: 595d1c19c7 am: f527dfc9df 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1424049

Change-Id: Ic7aee07c12f089aac0c41ee25389331b154d70f6
 2020-09-14 21:56:11 +00:00
Suren Baghdasaryan f527dfc9df lmkd: report kill reason, and meminfo details to statsd for each kill am: 3cc1f13044 am: 595d1c19c7 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1424049

Change-Id: I243c0a670ba02cc0762d0ea7f664d91afede2d9a
 2020-09-14 21:24:45 +00:00
Suren Baghdasaryan 595d1c19c7 lmkd: report kill reason, and meminfo details to statsd for each kill am: 3cc1f13044 
Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/1424049

Change-Id: Ic70e756c0ac793414c68967a7fe13599da7b0d7d
 2020-09-14 17:32:25 +00:00
Suren Baghdasaryan 3cc1f13044 lmkd: report kill reason, and meminfo details to statsd for each kill 
Information like free memory and swap as well as kill reason would be
useful for understanding regressions in the number of lmk kills in the
field.

Bug: 168117803
Change-Id: Ic46aed3c85b880b32ac5ad61b55f90e0d33517c7
Test: statsd_testdrive 51, load with lmk_unit_test
 2020-09-11 14:24:23 +01:00
Martin Liu 2d57fa30c5 [automerger skipped] lmkd: fix possible long stall state am: d816ab7c54 -s ours am: bb1a7d9b7a -s ours 
am skip reason: Change-Id I10c65c85b718a656e3d8991bf09948b96da895cb with SHA-1 589b5752ee is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12526900

Change-Id: Id9e9795e2a4695ced316722a4292349ec4fc196d
 2020-09-08 07:13:06 +00:00
Martin Liu c137bc5895 [automerger skipped] lmkd: avoid division by zero because of file_base_lru am: 91bf598282 -s ours am: 74129d3d9e -s ours 
am skip reason: Change-Id If19dbbaafe6cd28a9d5b7f8a002f3cd33daab5e7 with SHA-1 c3108416e7 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12526899

Change-Id: Id4f71df3b817a1d81cdcecaddae2586bf26641a3
 2020-09-08 07:13:05 +00:00
Martin Liu f761c01aeb [automerger skipped] lmkd: adjust thrashing dection strategy am: 94d99a7bc8 -s ours am: 14009f3ba7 -s ours 
am skip reason: Change-Id Ie9f4121ea604179c0ad510cc8430e7a6aec6e6b2 with SHA-1 1f72f5fa4b is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12465728

Change-Id: I75e6ae59a5a16aa6dab87d27aa4b80ec5717a542
 2020-09-08 07:13:03 +00:00
Martin Liu 6a7f526ac6 Revert "lmkd: Add a margin for watermark when swap free is low" am: cd5f08d8ee am: 7a57924ce8 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12445404

Change-Id: Id0d8e4fa7f6753623be2a4322a53083083a7daa2
 2020-09-08 07:13:01 +00:00
Martin Liu bb1a7d9b7a [automerger skipped] lmkd: fix possible long stall state am: d816ab7c54 -s ours 
am skip reason: Change-Id I10c65c85b718a656e3d8991bf09948b96da895cb with SHA-1 589b5752ee is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12526900

Change-Id: I0ec6db70a9b5c69cb2fd463409f11f04639fca82
 2020-09-08 06:51:00 +00:00
Martin Liu 74129d3d9e [automerger skipped] lmkd: avoid division by zero because of file_base_lru am: 91bf598282 -s ours 
am skip reason: Change-Id If19dbbaafe6cd28a9d5b7f8a002f3cd33daab5e7 with SHA-1 c3108416e7 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12526899

Change-Id: Ied58f07fa22194ca3a89017312140736c64c64f2
 2020-09-08 06:50:56 +00:00
Martin Liu 14009f3ba7 [automerger skipped] lmkd: adjust thrashing dection strategy am: 94d99a7bc8 -s ours 
am skip reason: Change-Id Ie9f4121ea604179c0ad510cc8430e7a6aec6e6b2 with SHA-1 1f72f5fa4b is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12465728

Change-Id: I6ff41029d3f4f4b153920101012454a513d1c375
 2020-09-08 06:50:54 +00:00
Martin Liu 7a57924ce8 Revert "lmkd: Add a margin for watermark when swap free is low" am: cd5f08d8ee 
Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/lmkd/+/12445404

Change-Id: I3056e7cf80a12a2245ce15cab325a9a6c75b006d
 2020-09-08 06:50:53 +00:00
Martin Liu d816ab7c54 lmkd: fix possible long stall state 
If the first PSI event triggers a kill, lmkd won't resume polling
immediately after the process has died. Instead, it will wait until the
next PSI event to resume the polling which is too late when the device
is under memory pressure. This happens if data communication with AMS
happens after previous polling window expired, in which case paused
handler gets reset and polling does not resume after the kill.
Fix this by changing pause handler reset logic.

Bug: 167562248
Test: memory pressure test
Signed-off-by: Martin Liu <liumartin@google.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Merged-In: I10c65c85b718a656e3d8991bf09948b96da895cb
Change-Id: I10c65c85b718a656e3d8991bf09948b96da895cb
 2020-09-07 10:46:16 +08:00
Martin Liu 91bf598282 lmkd: avoid division by zero because of file_base_lru 
It seems we have chance that file_base_lru is zero.
Avoid it by adding 1.

Bug: 167660459
Bug: 163134367
Test: boot
Signed-off-by: Martin Liu <liumartin@google.com>
Merged-In: If19dbbaafe6cd28a9d5b7f8a002f3cd33daab5e7
Change-Id: If19dbbaafe6cd28a9d5b7f8a002f3cd33daab5e7
 2020-09-07 10:43:24 +08:00
Martin Liu 94d99a7bc8 lmkd: adjust thrashing dection strategy 
When a device is thrashing the file cache, workingset refaults can
grow slowly because of variant reasons. Current thrashing detection
mechanism could reset the thrashing counter frequently as it relies
on presence of reclaim activity, however refaults can keep increasing
even when the device is not actively reclaiming. In addition, the
thrashing counter gets reset when conditions require a kill but lmkd
could not find an eligible process to be killed. This is problematic
because when this happens thrashing is being ignored.

Use a fixed 1 sec periods to aggregate the thrashing counter. Also we
need to keep monitoring thrashing counter while retrying as someone
could release the memory to mitigate the thrashing. If thrashing
counter is greater than the limit at the end of the 1 sec period this
means lmkd failed to find an eligible process to kill. In this case
we store accumulated thrashing in case a new eligible process appears
until accumulated thrashing is less that the limit or we miss an
entire 1 sec window.

Bug: 163134367
Test: heavy loading launch
Signed-off-by: Martin Liu <liumartin@google.com>
Merged-In: Ie9f4121ea604179c0ad510cc8430e7a6aec6e6b2
Change-Id: Ie9f4121ea604179c0ad510cc8430e7a6aec6e6b2
 2020-09-07 10:42:51 +08:00