On 8/5/25 14:54, Ilya Leoshkevich wrote: > v2: https://lore.kernel.org/bpf/20250728144340.711196-1-tmricht@xxxxxxxxxxxxx/ > v2 -> v3: Use no_ioctl_enable in perf. > > v1: https://lore.kernel.org/bpf/20250725093405.3629253-1-tmricht@xxxxxxxxxxxxx/ > v1 -> v2: Introduce no_ioctl_enable (Jiri). > > Hi, > > This series fixes a regression caused by moving UID filtering to BPF. > The regression affects all events that support auxiliary data, most > notably, "cycles" events on s390, but also PT events on Intel. The > symptom is missing events when UID filtering is enabled. > > Patch 1 introduces a new option for the > bpf_program__attach_perf_event_opts() function. > Ppatch 2 makes use of it in perf, and also contains a lot of technical Typo Patch > details of why exactly the prolblem is occurring. Typo problem > > Thanks to Thomas Richter for the investigation and the initial version > of this fix, and to Jiri Olsa for suggestions. > > Best regards, > Ilya > > Ilya Leoshkevich (2): > libbpf: Add the ability to suppress perf event enablement > perf bpf-filter: Enable events manually > > tools/lib/bpf/libbpf.c | 13 ++++++++----- > tools/lib/bpf/libbpf.h | 4 +++- > tools/perf/util/bpf-filter.c | 5 ++++- > 3 files changed, 15 insertions(+), 7 deletions(-) > Thanks for taking over!!! For the whole series Tested-by: Thomas Richter <tmricht@xxxxxxxxxxxxx> -- Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany -- IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Wolfgang Wendt Geschäftsführung: David Faller Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294
