tracing: Updates for 5.5

git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
for-next

Head SHA1: 9b4712044d059e7842aaeeafd7c7a7ee88c589db

Andy Shevchenko (3):
lib/sort: Move swap, cmp and cmp_r function types for wider use lib/bsearch: Use generic type for comparator function
tracing: Use generic type for comparator function

Ben Dooks (1):
tracing: Make internal ftrace events static

Borislav Petkov (1):
tracing: Remove stray tab in TRACE_EVAL_MAP_FILE's help text

Divya Indi (3):
tracing: Declare newly exported APIs in include/linux/trace.h
tracing: Verify if trace array exists before destroying it.
tracing: Adding NULL checks for trace_array descriptor pointer

Joe Lawrence (2):
selftests/livepatch: Make dynamic debug setup and restore generic selftests/livepatch: Test interaction with ftrace_enabled

Josh Poimboeuf (1):
ftrace/x86: Tell objtool to ignore nondeterministic ftrace stack layout

Masami Hiramatsu (1):
tracing/kprobe: Check whether the non-suffixed symbol is notrace

Miroslav Benes (1):
ftrace: Introduce PERMANENT ftrace_ops flag

Piotr Maziarz (2):
seq_buf: Add printing formatted hex dumps
tracing: Use seq_buf_hex_dump() to dump buffers

Sebastian Andrzej Siewior (1):
tracing: Use CONFIG_PREEMPTION

Srivatsa S. Bhat (VMware) (1):
tracing/hwlat: Fix a few trivial nits

Steven Rostedt (VMware) (13):
ftrace: Separate out the copying of a ftrace_hash from __ftrace_hash_move()
ftrace: Separate out functionality from ftrace_location_range()
ftrace: Add register_ftrace_direct()
ftrace: Add ftrace_find_direct_func()
ftrace: Add sample module that uses register_ftrace_direct() ftrace/selftest: Add tests to test register_ftrace_direct()
ftrace: Add another example of register_ftrace_direct() use case ftrace/selftests: Update the direct call selftests to test two direct calls ftrace/x86: Add register_ftrace_direct() for custom trampolines ftrace/x86: Add a counter to test function_graph with direct
ftrace: Add information on number of page groups allocated
fgraph: Fix function type mismatches of ftrace_graph_return using ftrace_stub tracing/selftests: Turn off timeout setting

Viktor Rosendahl (BMW) (2):
ftrace: Implement fs notification for tracing_max_latency
preemptirq_delay_test: Add the burst feature and a sysfs trigger

Yuming Han (1):
tracing: use kvcalloc for tgid_map array allocation

----

 Documentation/trace/ftrace-uses.rst                |  10 +-
 Documentation/trace/ftrace.rst                     |   4 +-
 arch/sh/boot/compressed/misc.c                     |   5 +
 arch/x86/Kconfig                                   |   1 +
 arch/x86/include/asm/ftrace.h                      |  13 +
 arch/x86/include/asm/unwind_hints.h                |   8 +
 arch/x86/kernel/ftrace.c                           |  14 +
 arch/x86/kernel/ftrace_64.S                        |  42 +-
 include/asm-generic/vmlinux.lds.h                  |  17 +-
 include/linux/bsearch.h                            |   2 +-
 include/linux/ftrace.h                             |  53 ++-
 include/linux/seq_buf.h                            |   3 +
 include/linux/sort.h                               |   8 +-
 include/linux/trace.h                              |   7 +
 include/linux/trace_events.h                       |   5 +
 include/linux/trace_seq.h                          |   4 +
 include/linux/types.h                              |   5 +
 include/trace/trace_events.h                       |   6 +
 kernel/livepatch/patch.c                           |   3 +-
 kernel/module.c                                    |   6 +-
 kernel/trace/Kconfig                               |  18 +-
 kernel/trace/fgraph.c                              |  11 +-
 kernel/trace/ftrace.c                              | 466 +++++++++++++++++++--
 kernel/trace/preemptirq_delay_test.c               | 144 ++++++-
 kernel/trace/trace.c                               | 118 +++++-
 kernel/trace/trace.h                               |  24 +-
 kernel/trace/trace_branch.c                        |   8 +-
 kernel/trace/trace_events.c                        |   2 +
 kernel/trace/trace_export.c                        |   4 +-
 kernel/trace/trace_hwlat.c                         |  15 +-
 kernel/trace/trace_kprobe.c                        |  27 +-
 kernel/trace/trace_output.c                        |  15 +
 kernel/trace/trace_seq.c                           |  30 ++
 kernel/trace/trace_stat.c                          |   6 +-
 kernel/trace/trace_stat.h                          |   2 +-
 lib/bsearch.c                                      |   2 +-
 lib/seq_buf.c                                      |  62 +++
 lib/sort.c                                         |  15 +-
 samples/Kconfig                                    |   8 +
 samples/Makefile                                   |   1 +
 samples/ftrace/Makefile                            |   4 +
 samples/ftrace/ftrace-direct-too.c                 |  51 +++
 samples/ftrace/ftrace-direct.c                     |  45 ++
 tools/testing/selftests/ftrace/settings            |   1 +
 .../ftrace/test.d/direct/ftrace-direct.tc          |  69 +++
 .../ftrace/test.d/direct/kprobe-direct.tc          |  84 ++++
 tools/testing/selftests/livepatch/Makefile         |   3 +-
 tools/testing/selftests/livepatch/functions.sh     |  34 +-
 .../testing/selftests/livepatch/test-callbacks.sh  |   2 +-
 tools/testing/selftests/livepatch/test-ftrace.sh   |  65 +++
 .../testing/selftests/livepatch/test-livepatch.sh  |   2 +-
 .../selftests/livepatch/test-shadow-vars.sh        |   2 +-
 52 files changed, 1410 insertions(+), 146 deletions(-)
 create mode 100644 samples/ftrace/Makefile
 create mode 100644 samples/ftrace/ftrace-direct-too.c
 create mode 100644 samples/ftrace/ftrace-direct.c
 create mode 100644 tools/testing/selftests/ftrace/settings
 create mode 100644 tools/testing/selftests/ftrace/test.d/direct/ftrace-direct.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc
 create mode 100755 tools/testing/selftests/livepatch/test-ftrace.sh