WARNING: 'peformance' may be misspelled - perhaps 'performance'?
#14: 
Sample examples from my dev machine below. Single-threaded peformance
                                                           ^^^^^^^^^^

WARNING: externs should be avoided in .c files
#63: FILE: tools/testing/selftests/bpf/bench.c:523:
+extern const struct bench bench_trig_uprobe_multi_nop;

WARNING: externs should be avoided in .c files
#64: FILE: tools/testing/selftests/bpf/bench.c:524:
+extern const struct bench bench_trig_uretprobe_multi_nop;

WARNING: externs should be avoided in .c files
#65: FILE: tools/testing/selftests/bpf/bench.c:525:
+extern const struct bench bench_trig_uprobe_multi_push;

WARNING: externs should be avoided in .c files
#66: FILE: tools/testing/selftests/bpf/bench.c:526:
+extern const struct bench bench_trig_uretprobe_multi_push;

WARNING: externs should be avoided in .c files
#67: FILE: tools/testing/selftests/bpf/bench.c:527:
+extern const struct bench bench_trig_uprobe_multi_ret;

WARNING: externs should be avoided in .c files
#68: FILE: tools/testing/selftests/bpf/bench.c:528:
+extern const struct bench bench_trig_uretprobe_multi_ret;

WARNING: line length of 92 exceeds 80 columns
#104: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:350:
+		bpf_program__set_autoload(ctx.skel->progs.bench_trigger_uprobe_multi, true);

WARNING: line length of 86 exceeds 80 columns
#106: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:352:
+		bpf_program__set_autoload(ctx.skel->progs.bench_trigger_uprobe, true);

CHECK: Alignment should match open parenthesis
#121: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:363:
+		LIBBPF_OPTS(bpf_uprobe_multi_opts, opts,
+			.retprobe = use_retprobe,

CHECK: Lines should not end with a '('
#125: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:367:
+		link = bpf_program__attach_uprobe_multi(

WARNING: line length of 87 exceeds 80 columns
#130: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:372:
+		link = bpf_program__attach_uprobe(ctx.skel->progs.bench_trigger_uprobe,

WARNING: line length of 97 exceeds 80 columns
#139: FILE: tools/testing/selftests/bpf/benchs/bench_trigger.c:380:
+		fprintf(stderr, "failed to attach %s!\n", use_multi ? "multi-uprobe" : "uprobe");

total: 0 errors, 11 warnings, 2 checks, 168 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 d414bfd1bdaa ("selftests/bpf: add multi-uprobe benchmarks") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 11 warnings, 2 checks, 168 lines checked