netdev - [PATCH bpf-next v4 0/3] selftests/bpf: switch test

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Message-Id: <20190806170901.142264-1-sdf@google.com>
Date:   Tue,  6 Aug 2019 10:08:58 -0700
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        Stanislav Fomichev <sdf@...gle.com>,
        Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next v4 0/3] selftests/bpf: switch test_progs back to stdio

I was looking into converting test_sockops* to test_progs framework
and that requires using cgroup_helpers.c which rely on stdio/stderr.
Let's use open_memstream to override stdout into buffer during
subtests instead of custom test_{v,}printf wrappers. That lets
us continue to use stdio in the subtests and dump it on failure
if required.

That would also fix bpf_find_map which currently uses printf to
signal failure (missed during test_printf conversion).

Cc: Andrii Nakryiko <andriin@...com>

Stanislav Fomichev (3):
  selftests/bpf: test_progs: switch to open_memstream
  selftests/bpf: test_progs: test__printf -> printf
  selftests/bpf: test_progs: drop extra trailing tab

 .../bpf/prog_tests/bpf_verif_scale.c          |   4 +-
 .../selftests/bpf/prog_tests/l4lb_all.c       |   2 +-
 .../selftests/bpf/prog_tests/map_lock.c       |  10 +-
 .../selftests/bpf/prog_tests/send_signal.c    |   4 +-
 .../selftests/bpf/prog_tests/spinlock.c       |   2 +-
 .../bpf/prog_tests/stacktrace_build_id.c      |   4 +-
 .../bpf/prog_tests/stacktrace_build_id_nmi.c  |   4 +-
 .../selftests/bpf/prog_tests/xdp_noinline.c   |   4 +-
 tools/testing/selftests/bpf/test_progs.c      | 131 ++++++++----------
 tools/testing/selftests/bpf/test_progs.h      |  13 +-
 10 files changed, 84 insertions(+), 94 deletions(-)

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2.22.0.770.g0f2c4a37fd-goog