WARNING: externs should be avoided in .c files
#62: FILE: tools/testing/selftests/bpf/bench.c:544:
+extern const struct bench bench_trig_usdt_nop;

WARNING: externs should be avoided in .c files
#63: FILE: tools/testing/selftests/bpf/bench.c:545:
+extern const struct bench bench_trig_usdt_nop5;

WARNING: externs should be avoided in .c files
#86: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:410:
+void usdt_2(void);

WARNING: line length of 91 exceeds 80 columns
#134: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:588:
+		fprintf(stderr, "failed to attach optimized_attach:%s usdt probe\n", name);

WARNING: line length of 95 exceeds 80 columns
#168: FILE: tools/testing/selftests/bpf/benchs/run_bench_uprobes.sh:5:
+for i in usermode-count syscall-count {uprobe,uretprobe}-{nop,push,ret,nop5} usdt-nop usdt-nop5

total: 0 errors, 5 warnings, 0 checks, 130 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 1efd2cc14740 ("selftests/bpf: Add usdt trigger bench") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 5 warnings, 0 checks, 130 lines checked