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SubjectRe: [PATCH v7 00/16] tracing: probeevent: Improve fetcharg features
Hi Masami,

Are you going to post another version of this patch set?

-- Steve


On Wed, 25 Apr 2018 21:16:06 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Hi,
>
> This is the 7th version of the fetch-arg improvement series.
> This includes variable changes on fetcharg framework like,
>
> - Add fetcharg testcases (syntax, argN, symbol, string and array)
> and probepoint testcase.
> - Rewrite fetcharg framework with fetch_insn, switch-case based
> instead of function pointer.
> - Add "symbol" type support, which shows symbol+offset instead of
> address value.
> - Add "$argN" fetcharg, which fetches function parameters.
> (currently only for x86-64)
> - Add array type support (including string arrary :) ) ,
> which enables to get fixed length array from probe-events.
> - Add array type support for perf-probe, so that user can
> dump partial array entries.
>
> V6 is here:
> https://lkml.org/lkml/2018/3/17/75
>
> Changes from the v6 are here:
> [6/16] - Fix to return an error if failed to fetch string and
> fill zero-length data_loc in error case.
> [11/16] - Update document for restructured text.
> [15/16] - Fix README test.
> [16/16] - Add type-casting description (and note) to documentation.
>
> And rebased on the latest Steve's ftrace/core branch.
>
> Thank you,
>
> ---
>
> Masami Hiramatsu (16):
> tracing: probeevent: Cleanup print argument functions
> tracing: probeevent: Cleanup argument field definition
> tracing: probeevent: Remove NOKPROBE_SYMBOL from print functions
> tracing: probeevent: Introduce new argument fetching code
> tracing: probeevent: Unify fetch type tables
> tracing: probeevent: Return consumed bytes of dynamic area
> tracing: probeevent: Append traceprobe_ for exported function
> tracing: probeevent: Unify fetch_insn processing common part
> tracing: probeevent: Add symbol type
> x86: ptrace: Add function argument access API
> tracing: probeevent: Add $argN for accessing function args
> tracing: probeevent: Add array type support
> selftests: ftrace: Add a testcase for symbol type
> selftests: ftrace: Add a testcase for $argN with kprobe_event
> selftests: ftrace: Add a testcase for array type with kprobe_event
> perf-probe: Add array argument support
>
>
> Documentation/trace/kprobetrace.rst | 23 +
> arch/Kconfig | 7
> arch/x86/Kconfig | 1
> arch/x86/include/asm/ptrace.h | 38 +
> kernel/trace/trace.c | 9
> kernel/trace/trace_kprobe.c | 358 ++++--------
> kernel/trace/trace_probe.c | 620 +++++++++-----------
> kernel/trace/trace_probe.h | 282 +++------
> kernel/trace/trace_probe_tmpl.h | 216 +++++++
> kernel/trace/trace_uprobe.c | 176 ++----
> tools/perf/Documentation/perf-probe.txt | 12
> tools/perf/util/probe-event.c | 20 +
> tools/perf/util/probe-event.h | 2
> tools/perf/util/probe-file.c | 5
> tools/perf/util/probe-file.h | 1
> tools/perf/util/probe-finder.c | 95 ++-
> .../ftrace/test.d/kprobe/kprobe_args_argN.tc | 25 +
> .../ftrace/test.d/kprobe/kprobe_args_array.tc | 92 +++
> .../ftrace/test.d/kprobe/kprobe_args_symbol.tc | 77 ++
> 19 files changed, 1127 insertions(+), 932 deletions(-)
> create mode 100644 kernel/trace/trace_probe_tmpl.h
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_argN.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_array.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc
>
> --
> Masami Hiramatsu (Linaro) <mhiramat@kernel.org>

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