Re: [PATCH v3 0/7] perf: cs-etm: Coresight decode and disassembly improvements
From: James Clark
Date: Fri Sep 20 2024 - 04:14:27 EST
On 18/09/2024 12:23 pm, Ganapatrao Kulkarni wrote:
Hi James,
On 16-09-2024 07:27 pm, James Clark wrote:
A set of changes that came out of the issues reported here [1].
* First 2 patches fix a decode bug in Perf and add support for new
consistency checks in OpenCSD
* The remaining ones make the disassembly script easier to test
and use. This also involves adding a new Python binding to
Perf to get a config value (perf_config_get())
[1]:
https://lore.kernel.org/linux-arm-kernel/20240719092619.274730-1-gankulkarni@xxxxxxxxxxxxxxxxxxxxxx/
Tried this series with below commands and issue is not seen as reported
in [1].
record:
timeout 8s ./perf record -e cs_etm// -C 1 -o kcore --kcore dd
if=/dev/zero of=/dev/null
decode:
./perf script -i ./kcore -s scripts/python/arm-cs-trace-disasm.py -- -d
objdump -k kcore/kcore_dir/kcore
./perf script -i ./kcore -s scripts/python/arm-cs-trace-disasm.py -F
cpu,event,ip,addr,sym -- -d objdump -k kcore/kcore_dir/kcore
Feel free to add for 1/7 and 2/7.
Tested-by: Ganapatrao Kulkarni <gankulkarni@xxxxxxxxxxxxxxxxxxxxxx>
Thanks for testing!