| /openbmc/qemu/docs/ |
| H A D | throttle.txt | 17 it works internally. The implementation is in throttle.c.
258 The 'throttle' block filter
261 'throttle' block filter. This filter uses the exact same throttling
274 "qom-type": "throttle-group",
283 throttle-group has a 'limits' property (of type ThrottleLimits as
287 A throttle-group can also be created with the -object command line
292 -object throttle-group,id=group0,x-iops-total=1000,x-bps-write=2097152
298 Once we have a throttle-group we can use the throttle block filter,
317 "driver": "throttle",
319 "throttle-group": "group0",
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| /openbmc/qemu/tests/qemu-iotests/ |
| H A D | 184 | 4 # Test I/O throttle block filter driver interface
37 _require_drivers throttle
52 test_throttle=$($QEMU_IMG --help|grep throttle)
53 [ "$test_throttle" = "" ] && _supported_fmt throttle
68 "qom-type": "throttle-group",
77 "driver": "throttle",
79 "throttle-group": "group0",
95 "qom-type": "throttle-group",
133 "qom-type": "throttle-group",
173 "driver": "throttle",
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| H A D | 258 | 28 def node(node_name, path, backing=None, fmt=None, throttle=None): argument
44 if throttle:
46 'driver': 'throttle',
47 'throttle-group': throttle,
103 qom_type='throttle-group',
112 **node('node4', node4_path, throttle=stream_throttle,
116 backing=node('node0', node0_path, throttle=commit_throttle,
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| H A D | 184.out | 38 …"filename": "json:{\"throttle-group\": \"group0\", \"driver\": \"throttle\", \"file\": {\"driver\"…
39 "format": "throttle",
52 "drv": "throttle",
64 …"file": "json:{\"throttle-group\": \"group0\", \"driver\": \"throttle\", \"file\": {\"driver\": \"…
257 "desc": "Parameter 'throttle-group' is missing"
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| H A D | 258.out | 5 …nts": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1}, "qom-type": "throttle-group"}}
7 …": "IMGFMT", "file": {"driver": "throttle", "file": {"driver": "file", "filename": "TEST_DIR/PID-n…
21 …nts": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1}, "qom-type": "throttle-group"}}
23 …ver": "raw", "file": {"driver": "throttle", "file": {"driver": "file", "filename": "TEST_DIR/PID-n…
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| H A D | 262 | 38 vm.add_object('throttle-group,id=tg0,x-bps-total=65536')
42 vm.add_blockdev('throttle,file=drive0-cor,node-name=drive0-throttle,throttle-group=tg0')
43 vm.add_blockdev('blkdebug,image=drive0-throttle,node-name=drive0-dbg')
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| H A D | 255 | 51 vm.add_object('throttle-group,x-bps-read=4096,id=throttle0')
53 vm.add_blockdev('throttle,throttle-group=throttle0,file=base,node-name=throttled')
100 vm.add_object('throttle-group,x-bps-read=4096,id=throttle0')
108 vm.add_blockdev('throttle,node-name=src-throttled,' +
109 'throttle-group=throttle0,file=src')
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| H A D | 235 | 57 log(vm.qmp('object-add', qom_type='throttle-group', id='tg0',
62 'driver': 'throttle',
63 'throttle-group': 'tg0',
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| H A D | 245 | 568 # Insert (and remove) a throttle filter
574 # Create a throttle-group object
575 opts = { 'qom-type': 'throttle-group', 'id': 'group0',
579 # Add a throttle filter with the group that we just created.
581 opts = { 'driver': 'throttle', 'node-name': 'throttle0',
582 'throttle-group': 'group0', 'file': 'hd0-file' }
585 # Insert the throttle filter between hd0 and hd0-file
588 # Remove the throttle filter from hd0
680 @iotests.skip_if_unsupported(['quorum', 'throttle'])
774 ###### throttle ######
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| H A D | 129 | 38 self.vm.add_object('throttle-group,id=tg0,x-bps-total=1024')
40 source_drive = 'driver=throttle,' \
42 'throttle-group=tg0,' \
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| /openbmc/qemu/tests/qemu-iotests/tests/ |
| H A D | stream-under-throttle | 4 # Test streaming with throttle nodes on top
51 the base image. Attach them to the VM underneath two throttle nodes,
65 'driver': 'throttle',
67 'throttle-group': 'thrgr-limited',
69 'driver': 'throttle',
70 'throttle-group': 'thrgr-unlimited',
86 self.vm.add_object('throttle-group,id=thrgr-unlimited')
87 self.vm.add_object('throttle-group,id=thrgr-limited,'
102 Do a simple stream beneath the two throttle nodes. Should complete
122 required_fmts=['throttle'])
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| H A D | stream-error-on-reset | 38 # In order to have the block job complete on drain, we (1) throttle its
64 'qom-type': 'throttle-group',
72 'driver': 'throttle',
73 'throttle-group': 'thrgr',
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| H A D | iothreads-commit-active | 49 vm.add_object('throttle-group,x-bps-write=1048576,id=tg0')
61 vm.add_blockdev('throttle,throttle-group=tg0,file=mirror-dst-fmt,'
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| /openbmc/qemu/block/ |
| H A D | throttle.c | 23 #include "block/throttle-groups.h"
26 #include "qemu/throttle-options.h"
30 .name = "throttle",
36 .help = "Name of the throttle group",
43 * If this function succeeds then the throttle group name is stored in
60 error_setg(errp, "Please specify a throttle group"); in throttle_parse_options()
64 error_setg(errp, "Throttle group '%s' does not exist", group_name); in throttle_parse_options()
242 .format_name = "throttle",
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| /openbmc/linux/Documentation/admin-guide/cgroup-v1/ |
| D | blkio-controller.rst | |
| /openbmc/qemu/tests/unit/ |
| H A D | test-throttle.c | 2 * Throttle infrastructure tests
19 #include "qemu/throttle.h"
23 #include "block/throttle-groups.h"
334 /* functions to test is throttle is enabled by a config */
815 g_test_add_func("/throttle/leak_bucket", test_leak_bucket); in main()
816 g_test_add_func("/throttle/compute_wait", test_compute_wait); in main()
817 g_test_add_func("/throttle/init", test_init); in main()
818 g_test_add_func("/throttle/init_readonly", test_init_readonly); in main()
819 g_test_add_func("/throttle/init_writeonly", test_init_writeonly); in main()
820 g_test_add_func("/throttle/destroy", test_destroy); in main()
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| /openbmc/qemu/docs/devel/migration/ |
| H A D | dirty-limit.rst | 6 dirty ring to throttle down the guest during live migration.
13 main --------------> throttle thread ------------> PREPARE(1) <--------
29 the QEMU main thread starts the throttle thread. The throttle thread, once
59 After completing the three above stages, the throttle thread loops back
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| /openbmc/phosphor-dbus-interfaces/gen/xyz/openbmc_project/Control/Power/Throttle/ |
| H A D | meson.build | 3 sdbusplus_current_path = 'xyz/openbmc_project/Control/Power/Throttle'
8 '../../../../../../yaml/xyz/openbmc_project/Control/Power/Throttle.interface.yaml',
28 'xyz/openbmc_project/Control/Power/Throttle',
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| /openbmc/linux/include/linux/ |
| D | dm-kcopyd.h | |
| /openbmc/qemu/qapi/ |
| H A D | migration.json | 226 # @cpu-throttle-percentage: percentage of time guest cpus are being
278 # @dirty-limit-throttle-time-per-round: Maximum throttle time (in
305 '*cpu-throttle-percentage': 'int',
319 '*dirty-limit-throttle-time-per-round': 'uint64',
442 # @auto-converge: If enabled, QEMU will automatically throttle down
510 # @dirty-limit: If enabled, migration will throttle vCPUs as needed to
789 # @throttle-trigger-threshold: The ratio of bytes_dirty_period and
793 # @cpu-throttle-initial: Initial percentage of time guest cpus are
797 # @cpu-throttle-increment: throttle percentage increase each time
801 # @cpu-throttle-tailslow: Make CPU throttling slower at tail stage.
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| /openbmc/qemu/fsdev/ |
| H A D | qemu-fsdev-throttle.h | 2 * Fsdev Throttle
20 #include "qemu/throttle.h"
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| /openbmc/phosphor-dbus-interfaces/gen/xyz/openbmc_project/Control/Power/ |
| H A D | meson.build | 8 subdir('Throttle') subdir
159 '../../../../../yaml/xyz/openbmc_project/Control/Power/Throttle.interface.yaml',
161 output: ['Throttle.md'],
173 'xyz/openbmc_project/Control/Power/Throttle',
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| /openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Control/Power/ |
| H A D | Throttle.interface.yaml | 2 This interface provides information related to the throttle status of a
47 Objects implementing Throttle can optionally implement the
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| /openbmc/qemu/migration/ |
| H A D | cpu-throttle.c | 30 #include "system/cpu-throttle.h"
101 * boolean to store whether throttle is already active or not, in cpu_throttle_set()
108 /* Ensure throttle percentage is within valid range */ in cpu_throttle_set()
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| /openbmc/qemu/include/system/ |
| H A D | cpu-throttle.h | 62 * Returns the vcpu throttle percentage. See cpu_throttle_set for details.
64 * Returns: The throttle percentage in range 1 to 99.
|