Skip to content
Commit 7248e308 authored by Alexandre Truong's avatar Alexandre Truong Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Record ARM64 LR register automatically



On ARM64, automatically record the link register if the frame pointer
mode is on. It will be used to do a dwarf unwind to find the caller of
the leaf frame if the frame pointer was omitted.

Reviewed-by: default avatarJames Clark <james.clark@arm.com>
Signed-off-by: default avatarAlexandre Truong <alexandre.truong@arm.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20211217154521.80603-2-german.gomez@arm.com


Signed-off-by: default avatarGerman Gomez <german.gomez@arm.com>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f8464e08
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment