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SubjectRe: [PATCHv3 perf/core 0/6] Libbpf object pinning
Em Thu, Jan 26, 2017 at 01:19:55PM -0800, Joe Stringer escreveu:
> This series adds pinning functionality for maps, programs, and objects.
> Library users may call bpf_map__pin(map, path) or bpf_program__pin(prog, path)
> to pin maps and programs separately, or use bpf_object__pin(obj, path) to
> pin all maps and programs from the BPF object to the path. The map and program
> variations require a path where it will be pinned in the filesystem,
> and the object variation will create named directories for each program with
> instances within, and mount the maps by name under the path.
>
> For example, with the directory '/sys/fs/bpf/foo' and a BPF object which
> contains two instances of a program named 'bar', and a map named 'baz':
> /sys/fs/bpf/foo/bar/0
> /sys/fs/bpf/foo/bar/1
> /sys/fs/bpf/foo/baz

Thanks, applied, after some minor fixes.

- Arnaldo

> ---
> v3: Split out bpf_program__pin_instance().
> Change the paths from PATH/{maps,progs}/foo to the above.
> Drop the patches that were applied.
> Add a perf test to check that pinning works.
> v2: Wang Nan provided improvements to patch 1.
> Dropped patch 2 from v1.
> Added acks for acked patches.
> Split the bpf_obj__pin() to also provide map / program pinning APIs.
> Allow users to provide full filesystem path (don't autodetect/mount BPFFS).
> v1: Initial post.
>
> Joe Stringer (6):
> tools lib bpf: Add BPF program pinning APIs.
> tools lib bpf: Add bpf_map__pin()
> tools lib bpf: Add bpf_object__pin()
> tools perf util: Make rm_rf(path) argument const
> tools lib api fs: Add bpf_fs filesystem detector
> perf test: Add libbpf pinning test
>
> tools/lib/api/fs/fs.c | 16 +++++
> tools/lib/api/fs/fs.h | 1 +
> tools/lib/bpf/libbpf.c | 188 +++++++++++++++++++++++++++++++++++++++++++++++++
> tools/lib/bpf/libbpf.h | 5 ++
> tools/perf/tests/bpf.c | 42 ++++++++++-
> tools/perf/util/util.c | 2 +-
> tools/perf/util/util.h | 2 +-
> 7 files changed, 253 insertions(+), 3 deletions(-)
>
> --
> 2.11.0

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