Currently, all sessions get boosted any time DISPLAY_UPDATE_IMMINENT is
sent from SurfaceFlinger which can lead to large, unnecessary boosts.
This patch aims to change that by removing the wakeup behavior, relying
instead on sessions to boost themselves with new load change hints.
* Remove wakeup() from PowerHintSession
* Remove wakeSessions from PowerSessionManager
* Remove related timers and message handlers
* Remove DISPLAY_UPDATE_IMMINENT behavior entirely
Test: manual
Bug: b/260136431
Change-Id: I4610edfefe8fcbef7d4cdbf5768830a9392a54f7
Reset traced hint value to -1 on reportActualWorkDuration or stale
timeout, and rewrite existing tracing for readability.
Bug: b/243973548
Test: manual
Change-Id: I135ec5f8971a9902d880e4089b0df746f5b917e2
To send ADPF_FIRST_FRAME hint when reportWorkDurations was called first
time after stale state.
Bug: 243025173
Test: PtsUiBench & CUJ
Change-Id: I4377b1f549646bcf44bdf26b2657b7bc0646f9a4
Merged-In: I4377b1f549646bcf44bdf26b2657b7bc0646f9a4
Send a hint only when the system can support the hint.
Bug: 243025173
Test: PtsUiBench & CUJ
Change-Id: If56d0c22f8dd61f5fe27ba79f08f2963269abe41
Merged-In: If56d0c22f8dd61f5fe27ba79f08f2963269abe41
The main problem is the timer thread could be woken after the session
was destroyed. We did have a closed flag which was set in destructor and the flag would be checked before handleMessage accessing the session
instance. To fix the problem, the operations of flag checking and session instance accessing should be guarded by the lock.
Bug: 236674672
Test: manual test
Change-Id: I49a18efbc135b1bc070b101038a8a0bcc6e19fec
(cherry picked from commit 5c75978f530b27bd976d8695ed79acd336c24776)
Merged-In: I49a18efbc135b1bc070b101038a8a0bcc6e19fec
Optimize boost:
A more efficient way is to trigger the wakeup boost through mTidSessionListMap, so the time
complexity reduce from O(n^3) to O(n^2).
The original code path:
PSM:wakeSessions() contains a loop that is O(n),
inside the loop, it calls to PHS::wakeup() which call to
PSM::setUclampMinLocked(), and
PSM::setUclampMinLocked() contains two loops O(n^2)
The new code path:
PSM::wakeSessions() directly checks all the ADPF tasks O(n) and
get the wakeup boost value O(n), then directly set the uclamp.min
The time complexity lower to O(n^2).
Fix unstable boost:
The original flow is to find max boost and wake it up from stale state
one by one. But the previous woken ones would not be counted when the later ones finding their max boost value.
The new flow boost all the tasks first, then wake up all those sessions.
Bug: 235510337
Test: Manually playing UIBench -> Transitions -> ActivityTransition
Change-Id: I995673b74401e198eb72188134ba1ebc134f971c
For DISPLAY_UPDATE_IMMINENT wakeup signal, non-stale
session's timer should be also extended. This resolves
the performance issue caused those sessions to go stale
prematurely.
Bug: 241621485
Test: Build
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I06330e064060248bb556ae35e0cb8fd302cef231
post the task into a looper thread.
Bug: 232992641
Test: Manually playing UIBench -> Transitions -> ActivityTransition
Change-Id: Ibd241834f904b4c87a51363e766e110d2818d496
Separate Stale and EarlyBoost handlers and refine the code.
Test: adb shell dumpsys android.hardware.power.IPower/default
Test: Manual
Bug: 232992641
Change-Id: I81a4fd96fb7311ae5bbb7cbabe72378c9cad4aa3
We need to be holding the session lock when we dereference mDescriptor
since mDescriptor is destroyed when the session is closed. This patch
takes the session lock and verifies if it's still open during wakeup.
Test: vts run -m VtsHalGraphicsComposerV2_4TargetTest
Bug: 232992641
Change-Id: I4000a85bf2932cfdcddd3006d671a3c91ed32c48
Integrate the uclamp.min across sessions.
Add UClampMininit as the display update boost
Bug: 232313238
Test: Manual test
Change-Id: I601f407b0b5383a1e39eac448d45cbaaeb7788fb
This is causing session update skipped and stuck.
Bug: 232336917
Test: /data/nativetest64/libperfmgr_test/libperfmgr_test
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I8928b6f6a60dcf8d21e60228a74d3aa0ab792eff
Currently PowerHAL does not distinguish between system processes and
apps when deciding whether to apply universal boost. This patch
distinguishes system sessions and app sessions and ignores system ones,
making the disabling of universal boost dependent on the presence of app
hint sessions.
Bug: b/230511824
Test: manual
Change-Id: I08dea29b3a45f2ba69ed99a9f188fa83ba143423
Considering the previous uclamp.min value is the base of PID output.
Instead of:
`next_min = std::min(sUclampMinHighLimit, output);`
We should use:
`next_min = std::min(sUclampMinHighLimit, current_min + output);`
When session status entered stale state, set the uclamp to 0, but keep
the current_min. That would be helpful for boosting the heavy workload
of the first few frames.
Bug: 204444691
Test: build && manual test
Change-Id: Idb19e2bfd8e9522fae5fd452b1fcc58786e96e65
There is no history kept in powerhint session, so let us just keep what
we have in the PID controller and let new samples settle.
Bug: 227003278
Test: Build
Change-Id: Ia8b9a0be288389ec36ac35c668aca013d470c257
1. Clean all messages before add new.
2. Insteading of using `this`, use the unique mStaleHandler sp so Looper
can hold the sp to keep the instance alive until the last message
done.
Test: Manual Test
Bug: 219965773
Change-Id: Ic039146f0b966c1f27d86b121d4b72b75ff360e5
1. set uclamp.min high to 384 (from 512)
2. set uclamp.min low to 2 (from 0)
3. set kPo to 2 (from 5)
4. set kPu to 1 (from 3)
5. instead of the previous boost value, use I Error-Integral as the base
of boost value.
6. add more traces (wakeup, overtime)
Bug: 198708191
Bug: 197586898
Bug: 197540375
Test: build and check trace
adb shell perfetto -o \
/data/misc/perfetto-traces/trace_file.perfetto-trace -t 20s sched \
freq idle am wm gfx view power hal
Change-Id: I35484322a84c2ab19f3024cf6634c1818ba570b0
To get rid of error logs, avoid to call close() twice.
07-29 17:20:35.341 E powerhal-libperfmgr: Unexpected Error! Failed to
look up tid:2585 in TidRefCountMap
07-29 17:20:35.341 E powerhal-libperfmgr: Unexpected Error! Failed to
look up tid:2586 in TidRefCountMap
07-29 17:20:35.341 E powerhal-libperfmgr: Unexpected Error! Failed to
look up tid:2031 in TidRefCountMap
07-29 17:20:35.341 E powerhal-libperfmgr: Unexpected Error! Failed to
look up tid:2585 in TidRefCountMap
Bug: 194775170
Test: build and check log.
Change-Id: I91adf907b837382f68935b9054e19465a499049c
"GPU completion" task inherits a high uclamp value from RenderThread.
But it's not in the ADPF thread list, so it remains a high uclamp value.
Use SetTaskProfiles("ResetUclampGrp") and
SetTaskProfiles("NoResetUclampGrp") to manage the uclamp_fork_reset for
tasks.
Bug: 191973176
Bug: 192149875
Test: vendor/google_testing/pts/tests/common/utils/perf/run_pts/jank_test.sh
Test: adb shell cat /proc/vendor_sched/dump_task
Change-Id: I6aed171e88c0a6db5f762e7c791344bb3f4b7a90
When seesion is created, set uclamp to boost CPU for top-app.
Bug: 192143316
Test: Build and run UiBenchSlowNestedRecyclerViewInitialFlingMicrobenchmark test
Change-Id: I748037019fae439ab1863a5ed21aa98b9d26e0dc
clean up ADPF trace points and use vendor.powerhal.adpf.uclamp.boost_cap
instead of vendor.powerhal.adpf.uclamp.cap_ratio.
Bug: 191551452
Test: build
Change-Id: I457710b1bd9a7adbb55749d7bb915c736dde2751
Cache active state and reduce log spam
Add value tracing into libperfmgr
Use adaptive stale timeout based on rate limit
Bug: 191331719
Bug: 191296994
Bug: 177493042
Test: boot
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I1c1484c9277209bf68bd287ceae83e2b37684c62
The patch includes:
1. Move from folder adpf to aidl.
2. Add PowerSessionManager class to maintain hint status.
And PowerHintMointor looper thread for monitoring or updating
PowerHintSession status.
3. Use PID algorithm to replace the step-wise alogrithm for cpu resource
control.
Test: build, boot to home, trace analysis
Bug: 177493042
Change-Id: Ib7d3f414225b18954350341ca22b7be87a6202e7
