WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#86: 
new file mode 100644

CHECK: Macro argument 'x' may be better as '(x)' to avoid precedence issues
#191: FILE: tools/testing/selftests/bpf/xsk_rr.c:35:
+#define OUTSTANDING_MASK(x) (x & (MAX_OUTSTANDING - 1))

WARNING: line length of 86 exceeds 80 columns
#310: FILE: tools/testing/selftests/bpf/xsk_rr.c:154:
+			rtt = (buckets[i] * (i) + count * rtt) / (count + buckets[i]);

WARNING: line length of 81 exceeds 80 columns
#315: FILE: tools/testing/selftests/bpf/xsk_rr.c:159:
+	printf("count: %lu p%d: %lu\n", count, percentile, rtt * BUCKET_SIZE_NM);

WARNING: return of an errno should typically be negative (ie: return -EAGAIN)
#332: FILE: tools/testing/selftests/bpf/xsk_rr.c:176:
+		return EAGAIN;

WARNING: line length of 83 exceeds 80 columns
#377: FILE: tools/testing/selftests/bpf/xsk_rr.c:221:
+		printf("outstanding packets: %lu\n", (pending_sends - done_sends));

WARNING: line length of 81 exceeds 80 columns
#463: FILE: tools/testing/selftests/bpf/xsk_rr.c:307:
+		   &eth->h_source[3], &eth->h_source[4], &eth->h_source[5]) != 6)

WARNING: line length of 86 exceeds 80 columns
#483: FILE: tools/testing/selftests/bpf/xsk_rr.c:327:
+			      (cfg_addr_len * 2) + sizeof(*uh) + cfg_payload_size, 0);

WARNING: line length of 90 exceeds 80 columns
#591: FILE: tools/testing/selftests/bpf/xsk_rr.c:435:
+	xsk->umem_area = mmap(NULL, UMEM_SIZE, PROT_READ | PROT_WRITE, mmap_flags, -1, 0);

WARNING: line length of 84 exceeds 80 columns
#632: FILE: tools/testing/selftests/bpf/xsk_rr.c:476:
+	n = xsk_ring_cons__peek(&xsk->comp, XSK_RING_CONS__DEFAULT_NUM_DESCS, &idx);

WARNING: line length of 84 exceeds 80 columns
#686: FILE: tools/testing/selftests/bpf/xsk_rr.c:530:
+				recvfrom(xsk_fd, NULL, 0, MSG_DONTWAIT, NULL, NULL);

WARNING: line length of 96 exceeds 80 columns
#709: FILE: tools/testing/selftests/bpf/xsk_rr.c:553:
+				verify_pkt(xsk_umem__get_data(xsk->umem_area, addr), desc->len);

WARNING: line length of 81 exceeds 80 columns
#918: FILE: tools/testing/selftests/bpf/xsk_rr.c:762:
+	while ((c = getopt(argc, argv, "46B:D:d:hi:l:m:M:no:p:P:S:tTv")) != -1) {

total: 0 errors, 12 warnings, 1 checks, 988 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 8acd276de778 ("Add `xsk_rr` an AF_XDP benchmark to measure latency") 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, 1 checks, 988 lines checked