From 2a651114fe9975f1883728dc2cd1359080145c6e Mon Sep 17 00:00:00 2001 From: Minchan Kim Date: Tue, 4 Apr 2023 08:45:04 -0700 Subject: [PATCH] dump pixel trace into dumpstate_board.txt Dump cma allocation/deallocation traces into dumpstate_board.txt. E.g.) android.hardwar-3427 [004] .... 15.196059: cma_alloc_start: name=faceauth_tpu count=256 align=8 android.hardwar-3427 [004] .... 15.196189: cma_alloc_info: name=faceauth_tpu pfn=0x9f4200 count=256 align=8 nr_migrated=0 nr_reclaimed=0 nr_mapped=0 err_iso=0 err_mig=0 err_test=0 binder:578_1-592 [003] .... 15.209400: cma_alloc_start: name=farawimg count=704 align=4 binder:578_1-592 [003] .... 15.210344: cma_alloc_info: name=farawimg pfn=0x9e83c0 count=704 align=4 nr_migrated=0 nr_reclaimed=0 nr_mapped=0 err_iso=0 err_mig=0 err_test=0 binder:1114_4-3420 [001] .... 15.259132: cma_release: name=faceauth_tpu pfn=9f4000 page=000000002e4bd17f count=16 binder:1114_4-3420 [001] .... 15.259143: cma_release: name=faceauth_tpu pfn=9f4010 page=000000008e379085 count=16 binder:1114_4-3420 [001] .... 15.259148: cma_release: name=faceauth_tpu pfn=9f4020 page=00000000161dc38b count=16 binder:1114_4-3420 [001] .... 15.259152: cma_release: name=faceauth_tpu pfn=9f4030 page=000000001d3eb567 count=16 binder:1114_4-3420 [001] .... 15.259157: cma_release: name=faceauth_tpu pfn=9f4040 page=00000000f7f6dc70 count=16 Bug: 276901078 Test: dumpstate_board.txt on adb bugreport includes the info Change-Id: If64c066eca59d6bba75e0494cd22108d619ad6f8 Signed-off-by: Minchan Kim --- soc/dump_memory.sh | 3 +++ soc/sepolicy/soc/dump_memory.te | 2 ++ 2 files changed, 5 insertions(+) diff --git a/soc/dump_memory.sh b/soc/dump_memory.sh index 873cdc9..49f7c84 100644 --- a/soc/dump_memory.sh +++ b/soc/dump_memory.sh @@ -28,3 +28,6 @@ do echo --- used; cat $d/used; echo --- bitmap; cat $d/bitmap; done + +echo "------ Pixel Trace ------" +cat "/sys/kernel/tracing/instances/pixel/trace" diff --git a/soc/sepolicy/soc/dump_memory.te b/soc/sepolicy/soc/dump_memory.te index 4a6411e..b3a962e 100644 --- a/soc/sepolicy/soc/dump_memory.te +++ b/soc/sepolicy/soc/dump_memory.te @@ -6,5 +6,7 @@ userdebug_or_eng(` allow dump_memory vendor_page_pinner_debugfs:file r_file_perms; allow dump_memory vendor_cma_debugfs:dir r_dir_perms; allow dump_memory vendor_cma_debugfs:file r_file_perms; + allow dump_memory debugfs_tracing_instances:dir search; + allow dump_memory debugfs_tracing_instances:file r_file_perms; ')