WARNING: Patch version information should be after the --- line
#18: 
v1: https://lore.kernel.org/bpf/zuRd072x9tumn2iN4wDNs5av0nu5nekMNV4PkR-YwCT10eFFTrUtZBRkLWFbrcCe7guvLStGQlhibo8qWojCO7i2-NGajes5GYIyynexD-w=@pm.me/

ERROR: Macros with complex values should be enclosed in parentheses
#38: FILE: tools/testing/selftests/bpf/prog_tests/perf_link.c:11:
+#define BURN_TIMEOUT_NS BURN_TIMEOUT_MS * 1000000

WARNING: line length of 82 exceeds 80 columns
#62: FILE: tools/testing/selftests/bpf/prog_tests/perf_link.c:76:
+	        if (!ASSERT_LT(get_time_ns(), timeout_time_ns, "run_cnt_timeout"))

ERROR: code indent should use tabs where possible
#62: FILE: tools/testing/selftests/bpf/prog_tests/perf_link.c:76:
+^I        if (!ASSERT_LT(get_time_ns(), timeout_time_ns, "run_cnt_timeout"))$

total: 2 errors, 2 warnings, 0 checks, 35 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit b409226d2f3f ("selftests/bpf: check for timeout in perf_link test") 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.