tracing/kprobes: Support perf-style return probe
authorMasami Hiramatsu <mhiramat@kernel.org>
Thu, 10 Sep 2020 08:55:35 +0000 (17:55 +0900)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Tue, 22 Sep 2020 01:06:03 +0000 (21:06 -0400)
commit4725cd89978c26405a20414f3a0fa6cbd2bf9aad
treebd8873770bf526a373c995c145bd8b07b37043a7
parentc51ba517989efb4be3d8658f31c98786d88a89fe
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>
kernel/trace/trace.c
kernel/trace/trace_kprobe.c
kernel/trace/trace_probe.h