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| author | chenqiwu <qiwuchen55@gmail.com> | 2023-12-19 05:22:29 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-05-03 16:12:45 +0300 |
| commit | 410e471f87465f04d7ae7f8ed16ef8e7a3b5517c (patch) | |
| tree | 06d83ea464c873b5e925e8a1fc6be614f694bf83 /Documentation/admin-guide | |
| parent | 582c1aeee0a9e73010cf1c4cef338709860deeb0 (diff) | |
| download | linux-410e471f87465f04d7ae7f8ed16ef8e7a3b5517c.tar.xz | |
arm64: Add USER_STACKTRACE support
Currently, userstacktrace is unsupported for ftrace and uprobe
tracers on arm64. This patch uses the perf_callchain_user() code
as blueprint to implement the arch_stack_walk_user() which add
userstacktrace support on arm64.
Meanwhile, we can use arch_stack_walk_user() to simplify the
implementation of perf_callchain_user().
This patch is tested pass with ftrace, uprobe and perf tracers
profiling userstacktrace cases.
Tested-by: chenqiwu <qiwu.chen@transsion.com>
Signed-off-by: chenqiwu <qiwu.chen@transsion.com>
Link: https://lore.kernel.org/r/20231219022229.10230-1-qiwu.chen@transsion.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
0 files changed, 0 insertions, 0 deletions