This is a note to let you know that I've just added the patch titled perf test: Fix bpf test sample mismatch reporting to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-test-fix-bpf-test-sample-mismatch-reporting.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 3e11300cdfd5f1bc13a05dfc6dccf69aca5dd1dc Mon Sep 17 00:00:00 2001 From: Michael Petlan <mpetlan@xxxxxxxxxx> Date: Thu, 5 Aug 2021 18:06:11 +0200 Subject: perf test: Fix bpf test sample mismatch reporting From: Michael Petlan <mpetlan@xxxxxxxxxx> commit 3e11300cdfd5f1bc13a05dfc6dccf69aca5dd1dc upstream. When the expected sample count in the condition changed, the message needs to be changed too, otherwise we'll get: 0x1001f2091d8: mmap mask[0]: BPF filter result incorrect, expected 56, got 56 samples Fixes: 4b04e0decd2518e5 ("perf test: Fix basic bpf filtering test") Signed-off-by: Michael Petlan <mpetlan@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx> Link: https //lore.kernel.org/r/20210805160611.5542-1-mpetlan@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/perf/tests/bpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -199,7 +199,7 @@ static int do_test(struct bpf_object *ob } if (count != expect * evlist->core.nr_entries) { - pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect, count); + pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect * evlist->core.nr_entries, count); goto out_delete_evlist; } Patches currently in stable-queue which might be from mpetlan@xxxxxxxxxx are queue-5.10/perf-test-fix-bpf-test-sample-mismatch-reporting.patch