bpf: permit multiple bpf attachments for a single perf tracepoint event
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- v3 Latest3 patches 3 repliesIn review
- v23 patches 0 repliesSuperseded
- v13 patches 5 repliesSuperseded
Changes in v3 from the cover letter
. fix compilation error.
Patches in v3 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | bpf: use the same condition in perf event set/free bpf handlerkernel/ | +3 | 0 replies | |
| 2/3 | bpf: permit multiple bpf attachments for a single perf eventinclude/ include/ include/ +6 more | +255 | 2 replies | |
| 3/3 | bpf: add a test case to test single tp multiple bpf attachmentsamples/ | +53 | 0 replies |
Reviews trailers per patch
All 3 patches have a Reviewed-by or Acked-by.
| Patch | Alexei Starovoitov | Martin KaFai Lau |
|---|---|---|
| 1/3 | A-b | A-b |
| 2/3 | A-b | A-b |
| 3/3 | A-b | A-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH net-next v3 0/3] bpf: permit multiple bpf attachments for a single perf tracepoint event
This patch set adds support to permit multiple bpf prog attachments for a single perf tracepoint event. Patch 1 does some cleanup such that perf_event_{set|free}_bpf_handler is called under the same condition. Patch 2 has the core implementation, and Patch 3 adds a test case.
Changelogs:
v2 -> v3:
. fix compilation error.
v1 -> v2:
. fix a potential deadlock issue discovered by Daniel. . fix some coding style issues.
Yonghong Song (3):
bpf: use the same condition in perf event set/free bpf handler
bpf: permit multiple bpf attachments for a single perf event
bpf: add a test case to test single tp multiple bpf attachment
include/linux/bpf.h | 30 +++++++++++++--- include/linux/trace_events.h | 43 ++++++++++++++++++++--- include/trace/perf.h | 6 ++-- kernel/bpf/core.c | 81 ++++++++++++++++++++++++++++++++++++++++++ kernel/events/core.c | 30 ++++++---------- kernel/trace/bpf_trace.c | 82 ++++++++++++++++++++++++++++++++++++++++--- kernel/trace/trace_kprobe.c | 6 ++-- kernel/trace/trace_syscalls.c | 34 ++++++++++-------- kernel/trace/trace_uprobe.c | 3 +- samples/bpf/syscall_tp_user.c | 66 +++++++++++++++++++++++++++------- 10 files changed, 310 insertions(+), 71 deletions(-)
Signature · 1 line
2.9.5