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[0/8] tracing: probes: Fixes and enhancing error logs

Message ID 174055071644.4079315.12468865615828925878.stgit@mhiramat.tok.corp.google.com (mailing list archive)
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Series tracing: probes: Fixes and enhancing error logs | expand

Message

Masami Hiramatsu (Google) Feb. 26, 2025, 6:18 a.m. UTC 
The following series fixes some bugs and adding some error messages
which are not handled.
This also add some selftests which tests the new error messages.

Thank you,

---

Masami Hiramatsu (Google) (8):
      tracing: tprobe-events: Fix a memory leak when tprobe with $retval
      tracing: tprobe-events: Reject invalid tracepoint name
      tracing: fprobe-events: Log error for exceeding the number of entry args
      tracing: probe-events: Log errro for exceeding the number of arguments
      tracing: probe-events: Remove unused MAX_ARG_BUF_LEN macro
      selftests/ftrace: Expand the tprobe event test to check wrong format
      selftests/ftrace: Add new syntax error test
      selftests/ftrace: Add dynamic events argument limitation test case


 kernel/trace/trace_eprobe.c                        |    2 +
 kernel/trace/trace_fprobe.c                        |   25 +++++++++++-
 kernel/trace/trace_kprobe.c                        |    5 ++
 kernel/trace/trace_probe.h                         |    6 ++-
 kernel/trace/trace_uprobe.c                        |    9 +++-
 .../ftrace/test.d/dynevent/add_remove_tprobe.tc    |   14 +++++++
 .../ftrace/test.d/dynevent/dynevent_limitations.tc |   42 ++++++++++++++++++++
 .../ftrace/test.d/dynevent/fprobe_syntax_errors.tc |    1 
 8 files changed, 98 insertions(+), 6 deletions(-)
 create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/dynevent_limitations.tc

--
Masami Hiramatsu (Google) <mhiramat@kernel.org>