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6fc54c408d
Link IRQs to NAPI instances via netdev-genl API. This allows users to query
that information via netlink:
|$ ./tools/net/ynl/pyynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
| --dump napi-get --json='{"ifindex": 2}'
|[{'defer-hard-irqs': 0,
| 'gro-flush-timeout': 0,
| 'id': 8204,
| 'ifindex': 2,
| 'irq': 127,
| 'irq-suspend-timeout': 0},
| {'defer-hard-irqs': 0,
| 'gro-flush-timeout': 0,
| 'id': 8203,
| 'ifindex': 2,
| 'irq': 126,
| 'irq-suspend-timeout': 0},
| {'defer-hard-irqs': 0,
| 'gro-flush-timeout': 0,
| 'id': 8202,
| 'ifindex': 2,
| 'irq': 125,
| 'irq-suspend-timeout': 0},
| {'defer-hard-irqs': 0,
| 'gro-flush-timeout': 0,
| 'id': 8201,
| 'ifindex': 2,
| 'irq': 124,
| 'irq-suspend-timeout': 0}]
|$ cat /proc/interrupts | grep enp2s0
|123: 0 1 IR-PCI-MSIX-0000:02:00.0 0-edge enp2s0
|124: 0 7 IR-PCI-MSIX-0000:02:00.0 1-edge enp2s0-TxRx-0
|125: 0 0 IR-PCI-MSIX-0000:02:00.0 2-edge enp2s0-TxRx-1
|126: 0 5 IR-PCI-MSIX-0000:02:00.0 3-edge enp2s0-TxRx-2
|127: 0 0 IR-PCI-MSIX-0000:02:00.0 4-edge enp2s0-TxRx-3
Reviewed-by: Joe Damato <jdamato@fastly.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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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.