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Date: Tue, 22 Sep 2020 18:28:38 -0700
From: Song Liu <songliubraving@...com>
To: <netdev@...r.kernel.org>, <bpf@...r.kernel.org>
CC: <kernel-team@...com>, <ast@...nel.org>, <daniel@...earbox.net>,
<john.fastabend@...il.com>, <kpsingh@...omium.org>,
Song Liu <songliubraving@...com>
Subject: [PATCH bpf-next 0/3] enable BPF_PROG_TEST_RUN for raw_tp
This set enables BPF_PROG_TEST_RUN for raw_tracepoint type programs. This
set also enables running the raw_tp program on a specific CPU. This feature
can be used by user space to trigger programs that access percpu resources,
e.g. perf_event, percpu variables.
Song Liu (3):
bpf: enable BPF_PROG_TEST_RUN for raw_tracepoint
libbpf: introduce bpf_prog_test_run_xattr_opts
selftests/bpf: add raw_tp_test_run
include/linux/bpf.h | 3 +
include/uapi/linux/bpf.h | 5 ++
kernel/bpf/syscall.c | 2 +-
kernel/trace/bpf_trace.c | 1 +
net/bpf/test_run.c | 90 +++++++++++++++++++
tools/include/uapi/linux/bpf.h | 5 ++
tools/lib/bpf/bpf.c | 13 ++-
tools/lib/bpf/bpf.h | 11 +++
tools/lib/bpf/libbpf.map | 1 +
.../bpf/prog_tests/raw_tp_test_run.c | 68 ++++++++++++++
.../bpf/progs/test_raw_tp_test_run.c | 26 ++++++
11 files changed, 223 insertions(+), 2 deletions(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c
create mode 100644 tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c
--
2.24.1
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