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f19860ea94
Here's some example "perf script -D" output for the new event type. The ": unhandled!" message is from tool.c, analogous to other behavior there. I've elided some rows with all NUL characters for brevity, and I wrapped one of the >75-column lines to fit in the commit guidelines. 0x50fc8@perf.data [0x260]: event: 84 . . ... raw event: size 608 bytes . 0000: 54 00 00 00 00 00 60 02 62 70 66 5f 70 72 6f 67 T.....`.bpf_prog . 0010: 5f 31 65 30 61 32 65 33 36 36 65 35 36 66 31 61 _1e0a2e366e56f1a . 0020: 32 5f 70 65 72 66 5f 73 61 6d 70 6c 65 5f 66 69 2_perf_sample_fi . 0030: 6c 74 65 72 00 00 00 00 00 00 00 00 00 00 00 00 lter............ . 0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [...] . 0110: 74 65 73 74 5f 76 61 6c 75 65 00 00 00 00 00 00 test_value...... . 0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [...] . 0150: 34 32 00 00 00 00 00 00 00 00 00 00 00 00 00 00 42.............. . 0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [...] 0 0x50fc8 [0x260]: PERF_RECORD_BPF_METADATA \ prog bpf_prog_1e0a2e366e56f1a2_perf_sample_filter entry 0: test_value = 42 : unhandled! Signed-off-by: Blake Jones <blakejones@google.com> Link: https://lore.kernel.org/r/20250612194939.162730-5-blakejones@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.