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Linus Torvalds
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| --- | ||
| refs/heads/master: bc91c9f313309915f6ec767f56f78dcd0305b20f | ||
| refs/heads/master: 0c05384a5a1af2352b8c244cf32f480ba6cbf024 |
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| Original file line number | Diff line number | Diff line change |
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| What: /proc/<pid>/oom_adj | ||
| When: August 2012 | ||
| Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's | ||
| badness heuristic used to determine which task to kill when the kernel | ||
| is out of memory. | ||
|
|
||
| The badness heuristic has since been rewritten since the introduction of | ||
| this tunable such that its meaning is deprecated. The value was | ||
| implemented as a bitshift on a score generated by the badness() | ||
| function that did not have any precise units of measure. With the | ||
| rewrite, the score is given as a proportion of available memory to the | ||
| task allocating pages, so using a bitshift which grows the score | ||
| exponentially is, thus, impossible to tune with fine granularity. | ||
|
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| A much more powerful interface, /proc/<pid>/oom_score_adj, was | ||
| introduced with the oom killer rewrite that allows users to increase or | ||
| decrease the badness() score linearly. This interface will replace | ||
| /proc/<pid>/oom_adj. | ||
|
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| A warning will be emitted to the kernel log if an application uses this | ||
| deprecated interface. After it is printed once, future warnings will be | ||
| suppressed until the kernel is rebooted. |
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| What: /sys/bus/rbd/ | ||
| Date: November 2010 | ||
| Contact: Yehuda Sadeh <yehuda@hq.newdream.net>, | ||
| Sage Weil <sage@newdream.net> | ||
| Description: | ||
|
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||
| Being used for adding and removing rbd block devices. | ||
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| Usage: <mon ip addr> <options> <pool name> <rbd image name> [snap name] | ||
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| $ echo "192.168.0.1 name=admin rbd foo" > /sys/bus/rbd/add | ||
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| The snapshot name can be "-" or omitted to map the image read/write. A <dev-id> | ||
| will be assigned for any registered block device. If snapshot is used, it will | ||
| be mapped read-only. | ||
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| Removal of a device: | ||
|
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| $ echo <dev-id> > /sys/bus/rbd/remove | ||
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| Entries under /sys/bus/rbd/devices/<dev-id>/ | ||
| -------------------------------------------- | ||
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||
| client_id | ||
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| The ceph unique client id that was assigned for this specific session. | ||
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| major | ||
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| The block device major number. | ||
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| name | ||
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| The name of the rbd image. | ||
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| pool | ||
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| The pool where this rbd image resides. The pool-name pair is unique | ||
| per rados system. | ||
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| size | ||
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| The size (in bytes) of the mapped block device. | ||
|
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| refresh | ||
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| Writing to this file will reread the image header data and set | ||
| all relevant datastructures accordingly. | ||
|
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| current_snap | ||
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| The current snapshot for which the device is mapped. | ||
|
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| create_snap | ||
|
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| Create a snapshot: | ||
|
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| $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create | ||
|
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| rollback_snap | ||
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| Rolls back data to the specified snapshot. This goes over the entire | ||
| list of rados blocks and sends a rollback command to each. | ||
|
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| $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_rollback | ||
|
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| snap_* | ||
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| A directory per each snapshot | ||
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| Entries under /sys/bus/rbd/devices/<dev-id>/snap_<snap-name> | ||
| ------------------------------------------------------------- | ||
|
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| id | ||
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| The rados internal snapshot id assigned for this snapshot | ||
|
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| size | ||
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| The size of the image when this snapshot was taken. | ||
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|
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14
trunk/Documentation/ABI/testing/sysfs-class-net-batman-adv
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| What: /sys/class/net/<iface>/batman-adv/mesh_iface | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| The /sys/class/net/<iface>/batman-adv/mesh_iface file | ||
| displays the batman mesh interface this <iface> | ||
| currently is associated with. | ||
|
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| What: /sys/class/net/<iface>/batman-adv/iface_status | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Indicates the status of <iface> as it is seen by batman. |
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| What: /sys/class/net/<mesh_iface>/mesh/aggregated_ogms | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Indicates whether the batman protocol messages of the | ||
| mesh <mesh_iface> shall be aggregated or not. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/bonding | ||
| Date: June 2010 | ||
| Contact: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> | ||
| Description: | ||
| Indicates whether the data traffic going through the | ||
| mesh will be sent using multiple interfaces at the | ||
| same time (if available). | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/fragmentation | ||
| Date: October 2010 | ||
| Contact: Andreas Langer <an.langer@gmx.de> | ||
| Description: | ||
| Indicates whether the data traffic going through the | ||
| mesh will be fragmented or silently discarded if the | ||
| packet size exceeds the outgoing interface MTU. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the bandwidth which is propagated by this | ||
| node if gw_mode was set to 'server'. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_mode | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the state of the gateway features. Can be | ||
| either 'off', 'client' or 'server'. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_sel_class | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the selection criteria this node will use | ||
| to choose a gateway if gw_mode was set to 'client'. | ||
|
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||
| What: /sys/class/net/<mesh_iface>/mesh/orig_interval | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the interval in milliseconds in which batman | ||
| sends its protocol messages. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/hop_penalty | ||
| Date: Oct 2010 | ||
| Contact: Linus Lüssing <linus.luessing@web.de> | ||
| Description: | ||
| Defines the penalty which will be applied to an | ||
| originator message's tq-field on every hop. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/vis_mode | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Each batman node only maintains information about its | ||
| own local neighborhood, therefore generating graphs | ||
| showing the topology of the entire mesh is not easily | ||
| feasible without having a central instance to collect | ||
| the local topologies from all nodes. This file allows | ||
| to activate the collecting (server) mode. |
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108 changes: 108 additions & 0 deletions
108
trunk/Documentation/ABI/testing/sysfs-driver-hid-roccat-koneplus
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/actual_profile | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: When read, this file returns the number of the actual profile in | ||
| range 0-4. | ||
| This file is readonly. | ||
|
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||
| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/firmware_version | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: When read, this file returns the raw integer version number of the | ||
| firmware reported by the mouse. Using the integer value eases | ||
| further usage in other programs. To receive the real version | ||
| number the decimal point has to be shifted 2 positions to the | ||
| left. E.g. a returned value of 121 means 1.21 | ||
| This file is readonly. | ||
|
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||
| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/macro | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse can store a macro with max 500 key/button strokes | ||
| internally. | ||
| When written, this file lets one set the sequence for a specific | ||
| button for a specific profile. Button and profile numbers are | ||
| included in written data. The data has to be 2082 bytes long. | ||
| This file is writeonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_buttons | ||
| Date: August 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse can store 5 profiles which can be switched by the | ||
| press of a button. A profile is split in settings and buttons. | ||
| profile_buttons holds informations about button layout. | ||
| When written, this file lets one write the respective profile | ||
| buttons back to the mouse. The data has to be 77 bytes long. | ||
| The mouse will reject invalid data. | ||
| Which profile to write is determined by the profile number | ||
| contained in the data. | ||
| This file is writeonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_buttons | ||
| Date: August 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse can store 5 profiles which can be switched by the | ||
| press of a button. A profile is split in settings and buttons. | ||
| profile_buttons holds informations about button layout. | ||
| When read, these files return the respective profile buttons. | ||
| The returned data is 77 bytes in size. | ||
| This file is readonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile_settings | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse can store 5 profiles which can be switched by the | ||
| press of a button. A profile is split in settings and buttons. | ||
| profile_settings holds informations like resolution, sensitivity | ||
| and light effects. | ||
| When written, this file lets one write the respective profile | ||
| settings back to the mouse. The data has to be 43 bytes long. | ||
| The mouse will reject invalid data. | ||
| Which profile to write is determined by the profile number | ||
| contained in the data. | ||
| This file is writeonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/profile[1-5]_settings | ||
| Date: August 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse can store 5 profiles which can be switched by the | ||
| press of a button. A profile is split in settings and buttons. | ||
| profile_settings holds informations like resolution, sensitivity | ||
| and light effects. | ||
| When read, these files return the respective profile settings. | ||
| The returned data is 43 bytes in size. | ||
| This file is readonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/sensor | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The mouse has a tracking- and a distance-control-unit. These | ||
| can be activated/deactivated and the lift-off distance can be | ||
| set. The data has to be 6 bytes long. | ||
| This file is writeonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/startup_profile | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: The integer value of this attribute ranges from 0-4. | ||
| When read, this attribute returns the number of the profile | ||
| that's active when the mouse is powered on. | ||
| When written, this file sets the number of the startup profile | ||
| and the mouse activates this profile immediately. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: When written a calibration process for the tracking control unit | ||
| can be initiated/cancelled. | ||
| The data has to be 3 bytes long. | ||
| This file is writeonly. | ||
|
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| What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu_image | ||
| Date: October 2010 | ||
| Contact: Stefan Achatz <erazor_de@users.sourceforge.net> | ||
| Description: When read the mouse returns a 30x30 pixel image of the | ||
| sampled underground. This works only in the course of a | ||
| calibration process initiated with tcu. | ||
| The returned data is 1028 bytes in size. | ||
| This file is readonly. |
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