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/qemu/docs/
H A Dmulti-thread-compression.txt20 compress the RAM page before sending; after receiving, the data will
74 | original | compress thread: 8
94 | original | compress thread: 8
114 {qemu} ... compress: off ...
117 {qemu} migrate_set_capability compress on
120 {qemu} migrate_set_parameter compress-threads 12
123 {qemu} migrate_set_parameter compress-level 1
131 Capabilities: ... compress: on
135 compress: off
136 compress-threads: 8
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H A Drdma.txt212 7. Compress page (zap zero page and skip registration)
282 the "Compress" command listed above. If the page *has* been registered
284 zero, then we send a compress command to zap the page on the other side.
/qemu/tests/qemu-iotests/tests/
H A Dstream-unaligned-prefetch40 Attach a compress filter for the top image, because that
62 'driver': 'compress',
63 'node-name': 'compress-top',
82 self.vm.cmd('block-stream', job_id='stream', device='compress-top')
/qemu/ui/
H A Dvnc-enc-zlib.c53 // make the output buffer be the zlib buffer, so we can compress it later in vnc_zlib_start()
67 // compress the zlib buffer in vnc_zlib_stop()
131 // compress the stream in vnc_zlib_send_framebuffer_update()
/qemu/tests/qemu-iotests/
H A D214111 # Set compress on. That will align the written data
115 "driver=compress,file.driver=$IMGFMT,file.file.driver=file,file.file.filename=$TEST_IMG" \
121 'driver': 'compress',
H A D055508 self.vm.cmd(cmd, device='drive0', sync='full', compress=True, **args)
533 self.vm.cmd(cmd, device='drive0', sync='full', compress=True, **args)
555 self.vm.cmd(cmd, device='drive0', sync='full', compress=True, **args)
H A D27193 # compress -> write -c
104 compress)
223 _run_test sc=0 len=64k cmd=compress
353 _run_test c=$c sc=0 len=64k cmd=compress
469 _run_test c=$c sc=0 len=64k cmd=compress
/qemu/block/
H A Dfilter-compress.c2 * Compress filter block driver
136 .format_name = "compress",
H A Dqcow2-threads.c84 * Compress @src_size bytes of data using zlib compression method
179 * Compress @src_size bytes of data using zstd compression method
213 * ZSTD_compressStream2() tries to compress everything it could in qcow2_zstd_compress()
358 * Compress @src_size bytes of data using the compression
H A Dvmdk.c1874 ret = compress(data->data, &buf_len, compressed_data, n_bytes); in vmdk_write_extent()
2226 vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress, in vmdk_init_extent() argument
2241 if (compress) { in vmdk_init_extent()
2249 | (compress ? VMDK4_FLAG_COMPRESS | VMDK4_FLAG_MARKER : 0) in vmdk_init_extent()
2251 header.compressAlgorithm = compress ? VMDK4_COMPRESSION_DEFLATE : 0; in vmdk_init_extent()
2339 bool compress, bool zeroed_grain, BlockBackend **pbb, in vmdk_create_extent() argument
2360 ret = vmdk_init_extent(blk, filesize, flat, compress, zeroed_grain, errp); in vmdk_create_extent()
2420 bool compress, bool zeroed_grain, void *opaque,
2453 bool flat, split, compress; in vmdk_co_do_create() local
2512 compress = subformat == BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED; in vmdk_co_do_create()
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H A Dbackup.c359 bool compress, bool discard_source, in backup_job_create() argument
401 if (compress && !bdrv_supports_compressed_writes(target)) { in backup_job_create()
496 block_copy_set_copy_opts(bcs, perf->use_copy_range, compress); in backup_job_create()
H A Dmeson.build18 'filter-compress.c',
H A Dblock-copy.c286 bool compress) in block_copy_set_copy_opts() argument
290 (compress ? BDRV_REQ_WRITE_COMPRESSED : 0); in block_copy_set_copy_opts()
300 } else if (compress) { in block_copy_set_copy_opts()
/qemu/migration/
H A Dmultifd-qatzip.c31 * For compression: Buffer for pages to compress
155 * qatzip_send_prepare: Compress pages and update IO channel info.
202 error_setg(errp, "multifd %u: QATzip failed to compress all input", in qatzip_send_prepare()
H A Dmultifd-uadk.c45 bool compress, Error **errp) in multifd_uadk_init_sess() argument
56 if (compress) { in multifd_uadk_init_sess()
H A Dmultifd-qpl.c381 * multifd_qpl_compress_pages_slow_path: compress pages using slow path
383 * Compress the pages using software. If compression fails, the uncompressed
411 * multifd_qpl_compress_pages: compress pages
H A Dvmstate.c303 /* Child elements can't compress, so can't we */ in vmsd_can_compress()
310 /* Subsections may come and go, better don't compress */ in vmsd_can_compress()
H A Dmultifd-zlib.c141 error_setg(errp, "multifd %u: deflate failed to compress all input", in multifd_zlib_send_prepare()
/qemu/docs/about/
H A Dremoved-features.rst700 ``migrate-set-parameter`` ``compress-level`` option (removed in 9.1)
705 ``migrate-set-parameter`` ``compress-threads`` option (removed in 9.1)
710 ``migrate-set-parameter`` ``compress-wait-thread`` option (removed in 9.1)
720 ``migrate-set-capability`` ``compress`` option (removed in 9.1)
830 ``migrate_set_parameter`` ``compress-level`` option (removed in 9.1)
835 ``migrate_set_parameter`` ``compress-threads`` option (removed in 9.1)
840 ``migrate_set_parameter`` ``compress-wait-thread`` option (removed in 9.1)
850 ``migrate_set_capability`` ``compress`` option (removed in 9.1)
/qemu/block/monitor/
H A Dblock-hmp-cmds.c263 bool compress = qdict_get_try_bool(qdict, "compress", false); in hmp_drive_backup() local
272 .has_compress = !!compress, in hmp_drive_backup()
273 .compress = compress, in hmp_drive_backup()
/qemu/.gitlab/issue_templates/
H A Dbug.md56 Attach logs, stack traces, screenshots, etc. Compress the files if necessary.
/qemu/include/block/
H A Dblock-copy.h36 bool compress);
/qemu/tests/migration-stress/guestperf/
H A Dengine.py165 { "capability": "compress",
172 { "capability": "compress",
/qemu/scripts/simplebench/
H A Dbench-backup.py141 backup_options['compress'] = True
/qemu/docs/devel/migration/
H A Dqatzip-compression.rst49 | compress/decompress

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