Augment enum arguments in perf trace, including syscall arguments and
non-syscall tracepoint arguments.

The augmentation is implemented using BTF.

This patch series also includes a bug fix, which makes more syscalls to 
be traceable by perf trace.

Test is included.

*** BLURB HERE ***

Howard Chu (5):
  perf trace: Fix iteration of syscall ids in syscalltbl->entries
  perf trace: Augment enum syscall arguments with BTF
  perf trace: Augment enum tracepoint arguments with BTF
  perf trace: Filter enum arguments with enum names
  perf trace: Add test for enum augmentation

 tools/perf/builtin-trace.c               | 214 ++++++++++++++++++++---
 tools/perf/tests/shell/trace_btf_enum.sh | 104 +++++++++++
 tools/perf/util/syscalltbl.c             |   7 +
 tools/perf/util/syscalltbl.h             |   1 +
 4 files changed, 301 insertions(+), 25 deletions(-)
 create mode 100755 tools/perf/tests/shell/trace_btf_enum.sh

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2.45.2