hi, in response to [1] patch, I'm adding bpf selftest that confirms the change fixes problem for bpf programs trigered by return uprobe created over perf event. Oleg pointed out other issues with uprobe_multi pid filter, I plan to send another patchset for that. thanks, jirka [1] https://lore.kernel.org/linux-trace-kernel/ME0P300MB0416034322B9915ECD3888649D882@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ --- Jiri Olsa (2): selftests/bpf: Add child argument to spawn_child function selftests/bpf: Add uprobe pid filter test for multiple processes tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------- tools/testing/selftests/bpf/progs/uprobe_multi_pid_filter.c | 61 ++++++++++++++++++++++++++++++ 2 files changed, 203 insertions(+), 46 deletions(-) create mode 100644 tools/testing/selftests/bpf/progs/uprobe_multi_pid_filter.c