Files
linux/lib
Jianxin Pan 813e74c57b dts: debug: enable ftrace_ramoops for new tm2 dts [1/1]
PD#SWPL-6028

Problem:
enable ftrce in ramoops for new tm2 dtbs

Solution:
enable ftrce in ramoops for new tm2 dtbs

Verify:
verified ok

Change-Id: Ia7ee3b11784a69ef7d6b7671f9ad75c14ae477f7
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Signed-off-by: Luan Yuan <luan.yuan@amlogic.com>

debug: improve ftrace_ramoops for io trace [2/2]

PD#SWPL-6028

Problem:
improve ftrace_ramoops to debug bus hang

Solution:
1. in uboot
setenv initargs $initargs ramoops_io_en=1 loglevel=3;save;reset
2. in linux command line:
cat /sys/module/kernel/parameters/ramoops_io_en
to check if success.
3. after watchdog reboot, get trace data with:
cat /sys/fs/pstore/ftrace-ramoops-0

Verify:
TL1 x301

Change-Id: If1a2582b40a3ded31eedef5355eb0b8a5bf495c3
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>

debug: save irqflag locally when ftrace_ramoops io [1/1]

PD#SWPL-6028

Problem:
save irqflag locally when ftrace_ramoops io

Solution:
save irqflag locally when ftrace_ramoops io

Verify:
TL1 x301

Change-Id: I6df9700cceaccc97dc983d88ada73197a6968f73
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>

debug: do not print old_size when ftrace_size is 0 [1/1]

PD#SWPL-6028

Problem:
do not print old_size when ftrace_size is 0

Solution:
do not print old_size when ftrace_size is 0

Verify:
TL1 x301

Change-Id: I00a71c83fede14a2606c5e7eea5d8c4fdaeb5553
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>

dts: change ftrace-size. [1/1]

PD#SWPL-6028

Problem:
add ftrace-size.

Solution:
add ftrace-size.

Verify:
no.

Change-Id: I42d34edf665632dfe29d04df192964238b8e3df8
Signed-off-by: Jianxiong Pan <jianxiong.pan@amlogic.com>
Signed-off-by: Luan Yuan <luan.yuan@amlogic.com>
2019-06-27 16:37:31 +08:00
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