mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-30 14:19:16 +00:00
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54258324b9
Displaying cookie for perf event link probes, in plain mode:
# bpftool link
17: perf_event prog 90
kprobe ffffffff82b1c2b0 bpf_fentry_test1 cookie 3735928559
18: perf_event prog 90
kretprobe ffffffff82b1c2b0 bpf_fentry_test1 cookie 3735928559
20: perf_event prog 92
tracepoint sched_switch cookie 3735928559
21: perf_event prog 93
event software:page-faults cookie 3735928559
22: perf_event prog 91
uprobe /proc/self/exe+0xd703c cookie 3735928559
And in json mode:
# bpftool link -j | jq
{
"id": 30,
"type": "perf_event",
"prog_id": 160,
"retprobe": false,
"addr": 18446744071607272112,
"func": "bpf_fentry_test1",
"offset": 0,
"missed": 0,
"cookie": 3735928559
}
{
"id": 33,
"type": "perf_event",
"prog_id": 162,
"tracepoint": "sched_switch",
"cookie": 3735928559
}
{
"id": 34,
"type": "perf_event",
"prog_id": 163,
"event_type": "software",
"event_config": "page-faults",
"cookie": 3735928559
}
{
"id": 35,
"type": "perf_event",
"prog_id": 161,
"retprobe": false,
"file": "/proc/self/exe",
"offset": 880700,
"cookie": 3735928559
}
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240119110505.400573-8-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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 Restructured Text 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.