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| author |   Jiri Olsa <jolsa@kernel.org> | 2020-03-12 20:56:10 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-04-16 12:19:06 -0300 |
| commit | 3c29d4483e855b6ba5c6e35b0c81caad7d9e3984 (patch) | |
| tree | 62fd31250678d4d90189b1d93a133d1ec0994ec3 /tools/perf/util/dso.c | |
| parent | perf machine: Set ksymbol dso as loaded on arrival (diff) | |
| download | linux-dev-3c29d4483e855b6ba5c6e35b0c81caad7d9e3984.tar.xz linux-dev-3c29d4483e855b6ba5c6e35b0c81caad7d9e3984.zip | |
perf annotate: Add basic support for bpf_image
Add the DSO_BINARY_TYPE__BPF_IMAGE dso binary type to recognize BPF
images that carry trampoline or dispatcher.
Upcoming patches will add support to read the image data, store it
within the BPF feature in perf.data and display it for annotation
purposes.
Currently we only display following message:
# ./perf annotate bpf_trampoline_24456 --stdio
Percent | Source code & Disassembly of . for cycles (504 ...
--------------------------------------------------------------- ...
: to be implemented
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Björn Töpel <bjorn.topel@intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@redhat.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jesper Dangaard Brouer <hawk@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200312195610.346362-16-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.c')
| -rw-r--r-- | tools/perf/util/dso.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 91f21239608b..f338990e0fe6 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -191,6 +191,7 @@ int dso__read_binary_type_filename(const struct dso *dso, case DSO_BINARY_TYPE__GUEST_KALLSYMS: case DSO_BINARY_TYPE__JAVA_JIT: case DSO_BINARY_TYPE__BPF_PROG_INFO: + case DSO_BINARY_TYPE__BPF_IMAGE: case DSO_BINARY_TYPE__NOT_FOUND: ret = -1; break; |