[PATCH 0/3] tracing: make tp_printk work on syscall tracepoints

[Jeff Xie <xiehuan09@gmail.com>]

Currently the tp_printk option has no effect on syscall tracepoint.
When adding the kernel option parameter tp_printk, then:

echo 1 > /sys/kernel/debug/tracing/events/syscalls/enable

When running any application, no trace information is printed on the
terminal.

Now added printk for syscall tracepoints.

Jeff Xie (3):
  tracing: make tracepoint_iter_lock public
  tracing: make tracepoint_printk_key public
  tracing: make tp_printk work on syscall tracepoints

 kernel/trace/trace.c          |  4 ++--
 kernel/trace/trace.h          |  2 ++
 kernel/trace/trace_syscalls.c | 25 +++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 2 deletions(-)

-- 
2.25.1