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TEST: Configuration to capture boot trace #8

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TEST: Configuration to capture boot trace #8

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2 changes: 1 addition & 1 deletion aosptree/vendor/devices-community/pine64_pinephone/boot/bootscript_device_overlay.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,4 +33,4 @@
gpio clear PD18; gpio set PD20; \

#define POSTPROCESS_FDT() \
EXTENV(bootargs, " loglevel=4"); \
EXTENV(bootargs, " loglevel=4 trace_buf_size=64M trace_event=sched_wakeup,sched_switch,sched_blocked_reason,sched_cpu_hotplug,block,ext4"); \
4 changes: 4 additions & 0 deletions aosptree/vendor/devices-community/pine64_pinephone/device.mk
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Expand Up @@ -42,3 +42,7 @@ PRODUCT_VENDOR_PROPERTIES += \
# RRO that disables round items in quicksetting menu to increase performance
PRODUCT_PACKAGES += \
SystemUISlowGpu

PRODUCT_PROPERTY_OVERRIDES += debug.atrace.tags.enableflags=802922
PRODUCT_PROPERTY_OVERRIDES += persist.traced.enable=0
PRODUCT_COPY_FILES += $(LOCAL_PATH)/etc/boottrace.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/boottrace.rc
5 changes: 5 additions & 0 deletions aosptree/vendor/devices-community/pine64_pinephone/etc/boottrace.rc
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@@ -0,0 +1,5 @@
on property:sys.boot_completed=1 // This stops tracing on boot complete
write /d/tracing/tracing_on 0
write /d/tracing/events/ext4/enable 0
write /d/tracing/events/f2fs/enable 0
write /d/tracing/events/block/enable 0
31 changes: 31 additions & 0 deletions patches-aosp/frameworks/native/0001-TEST-Don-t-disable-tracing-by-default.patch
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@@ -0,0 +1,31 @@
From 9383729f7a887c908dd60566340304758d27b7e9 Mon Sep 17 00:00:00 2001
From: Roman Stratiienko <r.stratiienko@gmail.com>
Date: Sun, 19 Mar 2023 18:04:33 +0200
Subject: [PATCH] TEST: Don't disable tracing by default

Required for boot tracing.

Change-Id: I37d1fd137897f3d387fc70887c2adcec88beaf89
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
---
cmds/atrace/atrace.rc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 5267b0294c..f047d91268 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -227,8 +227,8 @@ on late-init
chmod 0666 /sys/kernel/tracing/events/thermal/cdev_update/enable

# Tracing disabled by default
- write /sys/kernel/debug/tracing/tracing_on 0
- write /sys/kernel/tracing/tracing_on 0
+# write /sys/kernel/debug/tracing/tracing_on 0
+# write /sys/kernel/tracing/tracing_on 0

# Read and truncate the kernel trace.
chmod 0666 /sys/kernel/debug/tracing/trace
--
2.34.1