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    Merge tag 'trace-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · 179a7ba6
    Linus Torvalds 提交于
    Pull tracing updates from Steven Rostedt:
     "This release has a few updates:
    
       - STM can hook into the function tracer
       - Function filtering now supports more advance glob matching
       - Ftrace selftests updates and added tests
       - Softirq tag in traces now show only softirqs
       - ARM nop added to non traced locations at compile time
       - New trace_marker_raw file that allows for binary input
       - Optimizations to the ring buffer
       - Removal of kmap in trace_marker
       - Wakeup and irqsoff tracers now adhere to the set_graph_notrace file
       - Other various fixes and clean ups"
    
    * tag 'trace-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (42 commits)
      selftests: ftrace: Shift down default message verbosity
      kprobes/trace: Fix kprobe selftest for newer gcc
      tracing/kprobes: Add a helper method to return number of probe hits
      tracing/rb: Init the CPU mask on allocation
      tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results
      tracing/fgraph: Have wakeup and irqsoff tracers ignore graph functions too
      fgraph: Handle a case where a tracer ignores set_graph_notrace
      tracing: Replace kmap with copy_from_user() in trace_marker writing
      ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
      tracing: Allow benchmark to be enabled at early_initcall()
      tracing: Have system enable return error if one of the events fail
      tracing: Do not start benchmark on boot up
      tracing: Have the reg function allow to fail
      ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline
      ring-buffer: Froce rb_update_write_stamp() to be inlined
      ring-buffer: Force inline of hotpath helper functions
      tracing: Make __buffer_unlock_commit() always_inline
      tracing: Make tracepoint_printk a static_key
      ring-buffer: Always inline rb_event_data()
      ring-buffer: Make rb_reserve_next_event() always inlined
      ...
    179a7ba6
ftrace.c 141.2 KB