Hello Namhyung, Can you please rebase it? I cannot apply it, getting: perf $ git apply --reject --whitespace=fix ./v2_20250317_namhyung_perf_trace_implement_syscall_summary_in_bpf.mbx Checking patch tools/perf/Documentation/perf-trace.txt... Checking patch tools/perf/Makefile.perf... Hunk #1 succeeded at 1198 (offset -8 lines). Checking patch tools/perf/builtin-trace.c... error: while searching for: bool hexret; }; enum summary_mode { SUMMARY__NONE = 0, SUMMARY__BY_TOTAL, SUMMARY__BY_THREAD, }; struct trace { struct perf_tool tool; struct { error: patch failed: tools/perf/builtin-trace.c:140 Sorry. Thanks, Howard