Linus,
The documentation for kprobe events says that symbol offets can
take both a + and - sign to get to before and after the symbol address.
But in actuality, the code does not support the minus. This fixes
that issue, and adds a few more selftests to kprobe events.
Please pull the latest trace-v4.16-rc4 tree, which can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
trace-v4.16-rc4
Tag SHA1: d92df88947baacdf2ebfe80871fb1c6f9211aa80
Head SHA1: dfa453bc90eca0febff33c8d292a656e53702158
Masami Hiramatsu (4):
tracing: probeevent: Fix to support minus offset from symbol
selftests: ftrace: Add probe event argument syntax testcase
selftests: ftrace: Add a testcase for string type with kprobe_event
selftests: ftrace: Add a testcase for probepoint
----
kernel/trace/trace_kprobe.c | 4 +-
kernel/trace/trace_probe.c | 8 +-
kernel/trace/trace_probe.h | 2 +-
.../ftrace/test.d/kprobe/kprobe_args_string.tc | 46 ++++++++++
.../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 97 ++++++++++++++++++++++
.../selftests/ftrace/test.d/kprobe/probepoint.tc | 43 ++++++++++
6 files changed, 192 insertions(+), 8 deletions(-)
create mode 100644
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
create mode 100644
tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc
