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| author | Daniel T. Lee <danieltimlee@gmail.com> | 2020-03-21 13:04:23 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-03-24 00:27:51 +0300 |
| commit | 24a6034acc922f1f6292636be4ec4dc3d9b4d2d7 (patch) | |
| tree | 727c570476d15c624e63c61ffac6deb56f71bf05 /samples/bpf/bpf_load.c | |
| parent | c9b24312040edaa89acb6fb91a9a53fb4775309e (diff) | |
| download | linux-24a6034acc922f1f6292636be4ec4dc3d9b4d2d7.tar.xz | |
samples, bpf: Move read_trace_pipe to trace_helpers
To reduce the reliance of trace samples (trace*_user) on bpf_load,
move read_trace_pipe to trace_helpers. By moving this bpf_loader helper
elsewhere, trace functions can be easily migrated to libbbpf.
Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200321100424.1593964-2-danieltimlee@gmail.com
Diffstat (limited to 'samples/bpf/bpf_load.c')
| -rw-r--r-- | samples/bpf/bpf_load.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 4574b1939e49..c5ad528f046e 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -665,23 +665,3 @@ int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map) { return do_load_bpf_file(path, fixup_map); } - -void read_trace_pipe(void) -{ - int trace_fd; - - trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0); - if (trace_fd < 0) - return; - - while (1) { - static char buf[4096]; - ssize_t sz; - - sz = read(trace_fd, buf, sizeof(buf) - 1); - if (sz > 0) { - buf[sz] = 0; - puts(buf); - } - } -} |