WARNING: externs should be avoided in .c files
#62: FILE: tools/testing/selftests/bpf/bench.c:286:
+extern struct argp bench_sockmap_argp;

WARNING: externs should be avoided in .c files
#78: FILE: tools/testing/selftests/bpf/bench.c:554:
+extern const struct bench bench_sockmap;

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#91: 
new file mode 100644

WARNING: line length of 82 exceeds 80 columns
#361: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:266:
+		err = bpf_prog_attach(verdict, map, BPF_SK_SKB_STREAM_VERDICT, 0);

WARNING: line length of 86 exceeds 80 columns
#493: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:398:
+			/* consumer 1 is unused for tx test and stream verdict test */

WARNING: line length of 89 exceeds 80 columns
#496: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:401:
+			/* it's only for RX_NORMAL which service as reserve-proxy mode */

WARNING: line length of 92 exceeds 80 columns
#519: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:424:
+				fprintf(stderr, "%s fail to read c2 %d\n", __func__, errno);

WARNING: line length of 85 exceeds 80 columns
#578: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:483:
+			if (errno != EAGAIN && errno != ENOMEM && errno != ENOBUFS) {

WARNING: line length of 86 exceeds 80 columns
#579: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:484:
+				fprintf(stderr, "sendfile return %d, errorno %d:%s\n",

WARNING: line length of 81 exceeds 80 columns
#604: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:509:
+	send_hz = (res->important_hits & 0xFFFFFFFF) / (delta_ns / 1000000000.0);

WARNING: line length of 81 exceeds 80 columns
#609: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:514:
+	printf("Send Speed %8.3lf MB/s (%8.3lf calls/s), BPF Speed %8.3lf MB/s, "

WARNING: quoted string split across lines
#610: FILE: tools/testing/selftests/bpf/benchs/bench_sockmap.c:515:
+	printf("Send Speed %8.3lf MB/s (%8.3lf calls/s), BPF Speed %8.3lf MB/s, "
+	       "Rcv Speed %8.3lf MB/s (%8.3lf calls/s)\n",

total: 0 errors, 12 warnings, 0 checks, 706 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 01ae9bc16459 ("selftest/bpf/benchs: Add benchmark for sockmap usage") 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, 12 warnings, 0 checks, 706 lines checked