linux-kernel - [PATCH 0/4] trace: introduce trace event injection

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Date:   Sat, 25 May 2019 09:57:58 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: [PATCH 0/4] trace: introduce trace event injection

This patchset introduces trace event injection, the first 3 patches
are some trivial prerequisites, the last one implements the trace
event injection. Please check each patch for details.

I have tested them with both valid and invalid input on different
tracepoints, it works as expected.

Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Ingo Molnar <mingo@...hat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

---

Cong Wang (4):
  trace: fold type initialization into tracing_generic_entry_update()
  trace: let filter_assign_type() detect FILTER_PTR_STRING
  trace: make trace_get_fields() global
  trace: introduce trace event injection

 include/linux/trace_events.h       |   9 +
 kernel/trace/Makefile              |   1 +
 kernel/trace/trace.c               |   8 +-
 kernel/trace/trace.h               |   1 +
 kernel/trace/trace_event_perf.c    |   3 +-
 kernel/trace/trace_events.c        |  12 +-
 kernel/trace/trace_events_filter.c |   3 +
 kernel/trace/trace_events_inject.c | 330 +++++++++++++++++++++++++++++
 8 files changed, 353 insertions(+), 14 deletions(-)
 create mode 100644 kernel/trace/trace_events_inject.c

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2.21.0