This series patches fix the incorrect trace record for empty arguments events and add correspondent selftests. V3: Improve modification descriptions to maintain consistent formatting v2: Change "i->count" to "i->count !=0 " to prevent compiler optimization Add correspondent selftests sunliming (4): tracing/user_events: Fix the incorrect trace record for empty arguments events selftests/user_events: Add ftrace self-test for empty arguments events selftests/user_events: Clear the events after perf self-test selftests/user_events: Add perf self-test for empty arguments events kernel/trace/trace_events_user.c | 4 +- .../selftests/user_events/ftrace_test.c | 33 ++++++++ .../testing/selftests/user_events/perf_test.c | 82 +++++++++++++++++++ 3 files changed, 117 insertions(+), 2 deletions(-) -- 2.25.1