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SubjectRe: [PATCH v3 00/28] selftests/ftrace: Improve ftracetest with coverage check
Hi Shuah,

Would you have any comment?

Thank you,

On Thu, 30 Aug 2018 23:12:24 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:

> Hi,
>
> Here is the 3rd version of the series for improving ftracetest
> testcase using gcov/lcov. In this version I just fixed some
> reported issues and dropped some tests which is not needed.
> I also dropped a testcase for blktrace from this version.
> It will be discussed separated thread.
>
> Previous version is here;
>
> https://lkml.org/lkml/2018/8/16/393
>
> GCOV_PROFILE_FTRACE has already been merged through tracing
> tree.
>
> Ftracetest framework improvements:
> - Add --stop-fail for detecting failure soon.
> - Add --console for interactively debugging a testcase by shell.
> - Add testcase-number prefix to logfile for finding log easier.
> - Improve general init function
> - Add SPDX license identifiers
> - Call general init function after all testcases.
> - Remove init/cleanup code from all testcase (since general init
> function will fixed it up)
>
> Testcase fixes:
> - Fix to check $comm availability.
> - Make checkbashisms clean
>
> Testcase improvements:
> - Use loopback address instead of localhost
> - Improve kprobe on module testcase to load/unload module
> - Improve kprobe testcase to check log data
> - Improve kretprobe testcase to check log data
> - Test kprobe-event argument with various bitsize
> - Check set_event_pid result
>
> Adding testcases:
> - Add kprobe event with $comm argument testcase
> - Add kprobe profile testcase
> - Add kprobe-event with symbol argument testcase
> - Add trace_printk sample module testcase
> - Add ringbuffer size changing testcase
> - Add function profiling statistics testcase
> - Add max stack tracer testcase
> - Add function filter on module testcase
> - Add trace_pipe testcase
> - Add stacktrace ftrace filter command testcase
> - Add wakeup tracer testcase
> - Add wakeup_rt tracer testcase
> - Add ftrace cpumask testcase
>
> TBD:
> Following testcase improvements are remaining.
> - Checking of various supported types (like u8, u64 etc.)
> testcases
>
> Tested on x86-64 qemu.
>
> # of passed: 84
> # of failed: 0
> # of unresolved: 0
> # of untested: 0
> # of unsupported: 0
> # of xfailed: 0
> # of undefined(test bug): 0
>
> Thank you,
>
> ---
>
> Masami Hiramatsu (28):
> selftests/ftrace: Add --stop-fail hidden option for debug
> selftests/ftrace: Add --console hidden option
> selftests/ftrace: Add case number prefix to logfile
> selftests/ftrace: More initialize features in initialize_ftrace
> selftests/ftrace: Add SPDX License Identifier to template
> selftests/ftrace: Cleanup ftrace after running test
> selftests/ftrace: Remove unneeded per-test init/cleanup ftrace
> selftests/ftrace: Fix to test kprobe $comm arg only if available
> selftests/ftrace: Fix checkbashisms errors
> selftests/ftrace: Use loopback address instead of localhost
> selftests/ftrace: Improve kprobe on module testcase to load/unload module
> selftests/ftrace: Improve kprobe testcase to check log data
> selftests/ftrace: Improve kretprobe testcase to check log data
> selftests/ftrace: Test kprobe-event argument with various bitsize
> selftests/ftrace: Check set_event_pid result
> selftests/ftrace: Add kprobe event with $comm argument testcase
> selftests/ftrace: Add kprobe profile testcase
> selftests/ftrace: Add kprobe-event with symbol argument test
> selftests/ftrace: Add trace_printk sample module test
> selftests/ftrace: Add ringbuffer size changing testcase
> selftests/ftrace: Add function profiling stat testcase
> selftests/ftrace: Add max stack tracer testcase
> selftests/ftrace: Add function filter on module testcase
> selftests/ftrace: Add trace_pipe testcase
> selftests/ftrace: Add stacktrace ftrace filter command testcase
> selftests/ftrace: Add wakeup tracer testcase
> selftests/ftrace: Add wakeup_rt tracer testcase
> selftests/ftrace: Add ftrace cpumask testcase
>
>
> tools/testing/selftests/ftrace/config | 6 ++
> tools/testing/selftests/ftrace/ftracetest | 32 +++++++++++-
> .../ftrace/test.d/00basic/ringbuffer_size.tc | 22 ++++++++
> .../selftests/ftrace/test.d/00basic/trace_pipe.tc | 16 ++++++
> .../selftests/ftrace/test.d/event/event-enable.tc | 10 ----
> .../selftests/ftrace/test.d/event/event-pid.tc | 8 +--
> .../ftrace/test.d/event/subsystem-enable.tc | 10 ----
> .../ftrace/test.d/event/toplevel-enable.tc | 10 ----
> .../selftests/ftrace/test.d/event/trace_printk.tc | 27 ++++++++++
> .../ftrace/test.d/ftrace/fgraph-filter-stack.tc | 4 --
> .../ftrace/test.d/ftrace/fgraph-filter.tc | 9 ---
> .../ftrace/test.d/ftrace/func-filter-pid.tc | 10 ----
> .../ftrace/test.d/ftrace/func-filter-stacktrace.tc | 12 +++++
> .../selftests/ftrace/test.d/ftrace/func_cpumask.tc | 42 ++++++++++++++++
> .../ftrace/test.d/ftrace/func_event_triggers.tc | 3 -
> .../ftrace/test.d/ftrace/func_mod_trace.tc | 24 +++++++++
> .../ftrace/test.d/ftrace/func_profile_stat.tc | 22 ++++++++
> .../ftrace/test.d/ftrace/func_profiler.tc | 4 --
> .../ftrace/test.d/ftrace/func_set_ftrace_file.tc | 13 -----
> .../ftrace/test.d/ftrace/func_stack_tracer.tc | 39 +++++++++++++++
> .../test.d/ftrace/func_traceonoff_triggers.tc | 11 ----
> tools/testing/selftests/ftrace/test.d/functions | 11 ++++
> .../ftrace/test.d/kprobe/add_and_remove.tc | 3 -
> .../selftests/ftrace/test.d/kprobe/busy_check.tc | 3 -
> .../selftests/ftrace/test.d/kprobe/kprobe_args.tc | 8 ++-
> .../ftrace/test.d/kprobe/kprobe_args_comm.tc | 17 +++++++
> .../ftrace/test.d/kprobe/kprobe_args_string.tc | 5 --
> .../ftrace/test.d/kprobe/kprobe_args_symbol.tc | 39 +++++++++++++++
> .../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 8 +--
> .../ftrace/test.d/kprobe/kprobe_args_type.tc | 52 ++++++++++++--------
> .../ftrace/test.d/kprobe/kprobe_eventname.tc | 5 --
> .../ftrace/test.d/kprobe/kprobe_ftrace.tc | 9 ---
> .../ftrace/test.d/kprobe/kprobe_module.tc | 36 ++++++++++++--
> .../ftrace/test.d/kprobe/kretprobe_args.tc | 9 ++-
> .../ftrace/test.d/kprobe/kretprobe_maxactive.tc | 4 --
> .../ftrace/test.d/kprobe/multiple_kprobes.tc | 5 --
> .../selftests/ftrace/test.d/kprobe/probepoint.tc | 4 --
> .../selftests/ftrace/test.d/kprobe/profile.tc | 15 ++++++
> tools/testing/selftests/ftrace/test.d/template | 1
> .../selftests/ftrace/test.d/tracer/wakeup.tc | 25 ++++++++++
> .../selftests/ftrace/test.d/tracer/wakeup_rt.tc | 25 ++++++++++
> .../inter-event/trigger-extended-error-support.tc | 12 -----
> .../inter-event/trigger-field-variable-support.tc | 15 ------
> .../trigger-inter-event-combined-hist.tc | 15 ------
> .../inter-event/trigger-multi-actions-accept.tc | 14 -----
> .../inter-event/trigger-onmatch-action-hist.tc | 16 +-----
> .../trigger-onmatch-onmax-action-hist.tc | 16 +-----
> .../inter-event/trigger-onmax-action-hist.tc | 16 +-----
> .../trigger-synthetic-event-createremove.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-eventonoff.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-filter.tc | 14 -----
> .../ftrace/test.d/trigger/trigger-hist-mod.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-hist.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-multihist.tc | 16 ------
> .../ftrace/test.d/trigger/trigger-snapshot.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-stacktrace.tc | 12 -----
> .../test.d/trigger/trigger-trace-marker-hist.tc | 11 ----
> .../trigger/trigger-trace-marker-snapshot.tc | 16 +-----
> .../trigger-trace-marker-synthetic-kernel.tc | 12 -----
> .../trigger/trigger-trace-marker-synthetic.tc | 12 -----
> .../ftrace/test.d/trigger/trigger-traceonoff.tc | 12 -----
> 61 files changed, 460 insertions(+), 427 deletions(-)
> create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/ringbuffer_size.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/event/trace_printk.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_comm.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/profile.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
>
> --
> Masami Hiramatsu (Linaro)


--
Masami Hiramatsu <mhiramat@kernel.org>

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