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| author | Arnaldo Carvalho de Melo <[email protected]> | 2024-09-09 19:29:44 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2024-09-09 22:23:03 +0000 |
| commit | 2f2e439ba56f45b9d8aff300b39fa0bfa49ec2d8 (patch) | |
| tree | c7923c6cebbfef6332021999fe7c51896038a840 /tools/perf/util/annotate.c | |
| parent | perf trace: Use a common encoding for augmented arguments, with size + error ... (diff) | |
| download | kernel-2f2e439ba56f45b9d8aff300b39fa0bfa49ec2d8.tar.gz kernel-2f2e439ba56f45b9d8aff300b39fa0bfa49ec2d8.zip | |
perf trace: Mark which syscall arguments go from user space to kernel space
We need to know where to collect it in the BPF augmenters, if in the
sys_enter hook or in the sys_exit hook.
Start with the SCA_FILENAME one, that is just from user to kernel space.
The alternative, better, but takes a bit more time than I have now, is
to use the __user information that is already in the syscall args and
encoded in BTF via a tag, do it later.
Cc: Adrian Hunter <[email protected]>
Cc: Howard Chu <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Namhyung Kim <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/annotate.c')
0 files changed, 0 insertions, 0 deletions