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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2020-09-10 11:55:35 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-09-22 04:06:03 +0300 |
| commit | 4725cd89978c26405a20414f3a0fa6cbd2bf9aad (patch) | |
| tree | bd8873770bf526a373c995c145bd8b07b37043a7 /kernel/trace/trace.c | |
| parent | c51ba517989efb4be3d8658f31c98786d88a89fe (diff) | |
| download | linux-4725cd89978c26405a20414f3a0fa6cbd2bf9aad.tar.xz | |
tracing/kprobes: Support perf-style return probe
Support perf-style return probe ("SYMBOL%return") for kprobe events.
This will allow boot-time tracing user to define a return probe event.
Link: https://lkml.kernel.org/r/159972813535.428528.4437029657208468954.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 55b829863127..ca6da462326d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5122,7 +5122,7 @@ static const char readme_msg[] = "\t -:[<group>/]<event>\n" #ifdef CONFIG_KPROBE_EVENTS "\t place: [<module>:]<symbol>[+<offset>]|<memaddr>\n" - "place (kretprobe): [<module>:]<symbol>[+<offset>]|<memaddr>\n" + "place (kretprobe): [<module>:]<symbol>[+<offset>]%return|<memaddr>\n" #endif #ifdef CONFIG_UPROBE_EVENTS " place (uprobe): <path>:<offset>[(ref_ctr_offset)]\n" |