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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2021-10-21 09:54:51 +0900 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-10-22 12:16:53 -0400 |
| commit | f8717410621571b182d3f2c45ffc52796c418787 (patch) | |
| tree | 3ca7a5c5d12fcd0c1d29add1a17f5665514b6f12 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 811b93ffaa488a4733270d8c8bc6c773334ab351 (diff) | |
arm64: kprobes: Record frame pointer with kretprobe instance
Record the frame pointer instead of stack address with kretprobe
instance as the identifier on the instance list.
Since arm64 always enable CONFIG_FRAME_POINTER, we can use the
actual frame pointer (x29).
This will allow the stacktrace code to find the original return
address from the FP alone.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions