linux-stable/Documentation
Andrey Ignatov 8c061865f5 bpf: Document bpf_inspect drgn tool
It's a follow-up for discussion in [1].

drgn tool bpf_inspect.py was merged to drgn repo in [2]. Document it
in kernel tree to make BPF developers aware that the tool exists and
can help with getting BPF state unavailable via UAPI.

For now it's just one tool but the doc is written in a way that allows
to cover more tools in the future if needed.

Please refer to the doc itself for more details.

The patch was tested by `make htmldocs` and sanity-checking that
resulting html looks good.

v2 -> v3:
  - two sections: "Description" and "Getting started" (Daniel);
  - add examples in "Getting started" section (Daniel);
  - add "Customization" section to show how tool can be customized.

v1 -> v2:
  - better "BPF drgn tools" section (Alexei)

  [1] https://lore.kernel.org/bpf/20200228201514.GB51456@rdna-mbp/T/#mefed65e8a98116bd5d07d09a570a3eac46724951
  [2] https://github.com/osandov/drgn/pull/49

Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200324185135.1431038-1-rdna@fb.com
2020-03-26 00:08:36 +01:00
..
ABI xen: branch for v5.6-rc1 2020-02-05 17:44:14 +00:00
EDID docs: driver-api: add a series of orphaned documents 2019-07-15 11:03:02 -03:00
PCI Documentation: PCI: Fix pci_alloc_irq_vectors() function name typo 2019-12-30 08:21:29 -06:00
RCU Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD 2020-01-24 10:37:27 -08:00
accounting docs: add some documentation dirs to the driver-api book 2019-07-15 11:03:02 -03:00
admin-guide Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-03-13 20:52:03 -07:00
arm ARM: at91: Documentation: add sam9x60 product and datasheet 2020-01-10 23:40:31 +01:00
arm64 mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() 2020-02-20 10:03:14 +00:00
block docs: block/biovecs: update the location of bio.c 2020-01-10 10:23:15 -07:00
bpf bpf: Document bpf_inspect drgn tool 2020-03-26 00:08:36 +01:00
cdrom docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
core-api mm, tree-wide: rename put_user_page*() to unpin_user_page*() 2020-01-31 10:30:38 -08:00
cpu-freq Documentation: cpufreq: Update policy notifier documentation 2019-09-02 22:44:05 +02:00
crypto crypto: algapi - make unregistration functions return void 2019-12-20 14:58:35 +08:00
dev-tools Documentation: kunit: fixed sphinx error in code block 2020-02-10 17:16:42 -07:00
devicetree Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
doc-guide Documentation: build warnings related to missing blank lines after explicit markups has been fixed 2020-02-05 10:30:03 -07:00
driver-api dmaengine fixes for v5.6-rc5 2020-03-05 12:19:34 -06:00
fault-injection docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
fb fbdev: fbmem: allow overriding the number of bootup logos 2020-01-03 14:27:40 +01:00
features s390 updates for the 5.6 merge window #2 2020-02-05 17:33:35 +00:00
filesystems Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-03-12 15:51:26 -07:00
firmware-guide docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan() 2019-12-19 22:58:12 +01:00
firmware_class
fpga Documentation: fpga: dfl: add descriptions for thermal/power management interfaces 2019-10-16 19:18:26 -07:00
gpu drm-misc-next for v5.6: 2020-01-03 11:43:44 +10:00
hid docs: add some documentation dirs to the driver-api book 2019-07-15 11:03:02 -03:00
hwmon docs: adm1177: fix a broken reference 2020-02-23 20:00:29 -08:00
i2c docs: i2c: writing-clients: properly name the stop condition 2020-01-29 22:02:09 +01:00
ia64 docs: add SPDX tags to new index files 2019-07-15 11:03:03 -03:00
ide docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
iio docs: add some documentation dirs to the driver-api book 2019-07-15 11:03:02 -03:00
infiniband Documentation/infiniband: update name of some functions 2019-09-13 16:55:55 -03:00
input Input: docs: fix spelling mistake "potocol" -> "protocol" 2019-08-06 11:24:49 -06:00
isdn isdn: capi: dead code removal 2019-12-11 09:12:38 +01:00
kbuild kbuild: get rid of trailing slash from subdir- example 2020-02-27 10:03:27 +09:00
kernel-hacking Documentation: kernel-hacking: hacking.rst: Change reference to document namespaces.rst to symbol-namespaces.rst 2019-12-19 09:36:23 -07:00
leds leds: core: Add support for composing LED class device names 2019-07-25 20:07:52 +02:00
livepatch livepatch: Documentation of the new API for tracking system state changes 2019-11-01 13:08:24 +01:00
locking docs/locking: Fix outdated section names 2020-02-05 10:21:12 -07:00
m68k docs: README.buddha: convert to ReST and add to m68k book 2019-07-31 13:30:10 -06:00
maintainer Add a maintainer entry profile for documentation 2020-01-24 09:48:39 -07:00
media media updates for v5.6-rc1 2020-01-31 14:43:23 -08:00
mic docs: driver-api: add remaining converted dirs to it 2019-07-15 11:03:03 -03:00
mips docs: fix some broken references 2019-10-10 11:25:39 -06:00
misc-devices Documentation: fix Sphinx warning in xilinx_sdfec.rst 2019-12-19 09:26:25 -07:00
netlabel docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
networking Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-03-13 20:52:03 -07:00
nios2 docs: nios2: add it to the main Documentation body 2019-07-31 13:31:51 -06:00
nvdimm docs: nvdimm: use ReST notation for subsection 2020-01-24 09:54:42 -07:00
openrisc docs: openrisc: convert to ReST and add to documentation body 2019-07-31 13:30:20 -06:00
parisc docs: parisc: convert to ReST and add to documentation body 2019-07-31 13:30:15 -06:00
pcmcia docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
power Documentation: power: Drop reference to interface.rst 2020-02-20 11:50:59 +01:00
powerpc powerpc updates for 5.6 2020-02-04 13:06:46 +00:00
process Documentation/process: Swap out the ambassador for Canonical 2020-02-13 15:38:41 -08:00
riscv It has been a relatively quiet cycle for documentation, but there's still a 2020-01-29 15:27:31 -08:00
s390 Documentation/s390: remove outdated debugging390 documentation 2019-08-21 12:41:43 +02:00
scheduler Documentation/scheduler: fix links in sched-stats 2019-10-29 04:35:41 -06:00
scsi scsi: smartpqi: Update attribute name to `driver_version` 2019-12-09 19:17:36 -05:00
security Documentation: security: core.rst: fix warnings 2019-11-22 10:01:47 -07:00
sh docs: remove extra conf.py files 2019-07-17 06:57:52 -03:00
sound sound updates for 5.6-rc1 2020-01-28 16:26:57 -08:00
sparc docs: add arch doc directories to the index 2019-07-15 11:03:01 -03:00
sphinx docs: Fix empty parallelism argument 2020-02-25 03:11:04 -07:00
sphinx-static doc-rst: Reduce CSS padding around Field 2019-10-02 10:03:06 -06:00
spi spi: docs: convert to ReST and add it to the kABI bookset 2019-07-31 14:13:13 -06:00
target docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
timers docs: add some directories to the main documentation index 2019-07-15 11:03:03 -03:00
trace A handful of small documentation fixes that wandered in. 2020-02-07 13:03:10 -08:00
translations Documentation/process: Swap out the ambassador for Canonical 2020-02-13 15:38:41 -08:00
usb docs: usb: remove some broken references 2020-01-28 13:41:22 -07:00
userspace-api staging: remove isdn capi drivers 2019-12-11 09:11:29 +01:00
virt KVM: s390: rstify new ioctls in api.rst 2020-02-24 19:28:40 +01:00
vm mm/zswap.c: add allocation hysteresis if pool limit is hit 2020-01-31 10:30:39 -08:00
w1 docs: w1: Fix a typo in omap-hdq.rst 2019-12-30 11:58:02 -07:00
watchdog linux-watchdog 5.4-rc1 tag 2019-09-27 11:17:38 -07:00
x86 docs: remove MPX from the x86 toc 2020-02-25 03:10:22 -07:00
xtensa docs: add arch doc directories to the index 2019-07-15 11:03:01 -03:00
.gitignore
COPYING-logo docs: logo.txt: rename it to COPYING-logo 2019-07-15 09:20:27 -03:00
Changes
CodingStyle
DMA-API-HOWTO.txt docs: DMA-API-HOWTO.txt: fix an unmarked code block 2019-07-15 09:20:24 -03:00
DMA-API.txt dma-mapping: remove dma_release_declared_memory 2019-09-04 11:13:19 +02:00
DMA-ISA-LPC.txt
DMA-attributes.txt dma-mapping: remove the DMA_ATTR_WRITE_BARRIER flag 2019-11-14 12:01:54 -04:00
IPMI.txt
IRQ-affinity.txt
IRQ-domain.txt
IRQ.txt
Kconfig
Makefile Kbuild updates for v5.5 2019-12-02 17:35:04 -08:00
SubmittingPatches
asm-annotations.rst Documentation: Call out example SYM_FUNC_* usage as x86-specific 2020-01-16 12:53:16 -07:00
atomic_bitops.txt
atomic_t.txt Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-07-08 16:12:03 -07:00
bus-virt-phys-mapping.txt
conf.py doc-rst: Programmatically render MAINTAINERS into ReST 2019-10-02 10:03:17 -06:00
crc32.txt
debugging-modules.txt
debugging-via-ohci1394.txt
digsig.txt
docutils.conf
dontdiff modpost: dump missing namespaces into a single modules.nsdeps file 2019-11-11 20:10:01 +09:00
futex-requeue-pi.txt
hwspinlock.txt hwspinlock: add the 'in_atomic' API 2019-06-29 21:08:14 -07:00
index.rst Here's the main documentation changes for 5.5: 2019-12-02 11:51:02 -08:00
io-mapping.txt
io_ordering.txt
irqflags-tracing.txt
kobject.txt
kprobes.txt
kref.txt
logo.gif
lzo.txt
mailbox.txt
memory-barriers.txt smp_mb__{before,after}_atomic(): update Documentation 2020-02-04 03:05:23 +00:00
nommu-mmap.txt
percpu-rw-semaphore.txt
pi-futex.txt docs: locking: convert docs to ReST and rename to *.rst 2019-07-15 08:53:27 -03:00
preempt-locking.txt
rbtree.txt docs: rbtree.txt: fix Sphinx build warnings 2019-07-15 09:20:24 -03:00
remoteproc.txt remoteproc: add vendor resources handling 2019-06-29 12:02:17 -07:00
robust-futex-ABI.txt
robust-futexes.txt
rpmsg.txt
speculation.txt
static-keys.txt
tee.txt Documentation: tee: add AMD-TEE driver details 2020-01-04 13:49:51 +08:00
this_cpu_ops.txt
unaligned-memory-access.txt
xz.txt