| /linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_display_snapshot.c | 29 struct intel_display_snapshot *snapshot; in intel_display_snapshot_capture() local
31 snapshot = kzalloc_obj(*snapshot, GFP_ATOMIC); in intel_display_snapshot_capture()
32 if (!snapshot) in intel_display_snapshot_capture()
35 snapshot->display = display; in intel_display_snapshot_capture()
37 memcpy(&snapshot->info, DISPLAY_INFO(display), sizeof(snapshot->info)); in intel_display_snapshot_capture()
38 memcpy(&snapshot->runtime_info, DISPLAY_RUNTIME_INFO(display), in intel_display_snapshot_capture()
39 sizeof(snapshot->runtime_info)); in intel_display_snapshot_capture()
41 intel_display_params_copy(&snapshot->params); in intel_display_snapshot_capture()
43 snapshot->irq = intel_display_irq_snapshot_capture(display); in intel_display_snapshot_capture()
44 snapshot->overlay = intel_overlay_snapshot_capture(display); in intel_display_snapshot_capture()
[all …]
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| H A D | intel_display_snapshot.h | 12 void intel_display_snapshot_print(const struct intel_display_snapshot *snapshot,
14 void intel_display_snapshot_free(struct intel_display_snapshot *snapshot);
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_guc_log.c | 115 struct xe_guc_log_snapshot *snapshot; in xe_guc_log_snapshot_alloc() local
119 snapshot = kzalloc_obj(*snapshot, atomic ? GFP_ATOMIC : GFP_KERNEL); in xe_guc_log_snapshot_alloc()
120 if (!snapshot) in xe_guc_log_snapshot_alloc()
128 snapshot->size = xe_bo_size(log->bo); in xe_guc_log_snapshot_alloc()
129 snapshot->num_chunks = DIV_ROUND_UP(snapshot->size, GUC_LOG_CHUNK_SIZE); in xe_guc_log_snapshot_alloc()
131 snapshot->copy = kzalloc_objs(*snapshot->copy, snapshot->num_chunks, in xe_guc_log_snapshot_alloc()
133 if (!snapshot->copy) in xe_guc_log_snapshot_alloc()
136 remain = snapshot->size; in xe_guc_log_snapshot_alloc()
137 for (i = 0; i < snapshot->num_chunks; i++) { in xe_guc_log_snapshot_alloc()
140 snapshot->copy[i] = kmalloc(size, atomic ? GFP_ATOMIC : GFP_KERNEL); in xe_guc_log_snapshot_alloc()
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| H A D | xe_guc_submit.c | 3104 struct xe_guc_submit_exec_queue_snapshot *snapshot) in guc_exec_queue_wq_snapshot_capture() argument
3111 snapshot->guc.wqi_head = q->guc->wqi_head; in guc_exec_queue_wq_snapshot_capture()
3112 snapshot->guc.wqi_tail = q->guc->wqi_tail; in guc_exec_queue_wq_snapshot_capture()
3113 snapshot->parallel.wq_desc.head = parallel_read(xe, map, wq_desc.head); in guc_exec_queue_wq_snapshot_capture()
3114 snapshot->parallel.wq_desc.tail = parallel_read(xe, map, wq_desc.tail); in guc_exec_queue_wq_snapshot_capture()
3115 snapshot->parallel.wq_desc.status = parallel_read(xe, map, in guc_exec_queue_wq_snapshot_capture()
3118 if (snapshot->parallel.wq_desc.head != in guc_exec_queue_wq_snapshot_capture()
3119 snapshot->parallel.wq_desc.tail) { in guc_exec_queue_wq_snapshot_capture()
3120 for (i = snapshot->parallel.wq_desc.head; in guc_exec_queue_wq_snapshot_capture()
3121 i != snapshot->parallel.wq_desc.tail; in guc_exec_queue_wq_snapshot_capture()
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| H A D | xe_lrc.c | 2272 struct xe_lrc_snapshot *snapshot = kmalloc_obj(*snapshot, GFP_NOWAIT); in xe_lrc_snapshot_capture() local
2274 if (!snapshot) in xe_lrc_snapshot_capture()
2277 snapshot->context_desc = xe_lrc_ggtt_addr(lrc); in xe_lrc_snapshot_capture()
2278 snapshot->ring_addr = __xe_lrc_ring_ggtt_addr(lrc); in xe_lrc_snapshot_capture()
2279 snapshot->indirect_context_desc = xe_lrc_indirect_ring_ggtt_addr(lrc); in xe_lrc_snapshot_capture()
2280 snapshot->head = xe_lrc_ring_head(lrc); in xe_lrc_snapshot_capture()
2281 snapshot->tail.internal = lrc->ring.tail; in xe_lrc_snapshot_capture()
2282 snapshot->tail.memory = xe_lrc_ring_tail(lrc); in xe_lrc_snapshot_capture()
2283 snapshot->start = xe_lrc_ring_start(lrc); in xe_lrc_snapshot_capture()
2284 snapshot->start_seqno = xe_lrc_start_seqno(lrc); in xe_lrc_snapshot_capture()
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| H A D | xe_guc_ct.c | 1959 struct xe_guc_ct_snapshot *snapshot; in guc_ct_snapshot_alloc() local
1961 snapshot = kzalloc_obj(*snapshot, atomic ? GFP_ATOMIC : GFP_KERNEL); in guc_ct_snapshot_alloc()
1962 if (!snapshot) in guc_ct_snapshot_alloc()
1966 snapshot->ctb_size = xe_bo_size(ct->bo); in guc_ct_snapshot_alloc()
1967 snapshot->ctb = kmalloc(snapshot->ctb_size, atomic ? GFP_ATOMIC : GFP_KERNEL); in guc_ct_snapshot_alloc()
1970 return snapshot; in guc_ct_snapshot_alloc()
1974 struct guc_ctb_snapshot *snapshot) in guc_ctb_snapshot_capture() argument
1976 xe_map_memcpy_from(xe, &snapshot->desc, &ctb->desc, 0, in guc_ctb_snapshot_capture()
1978 memcpy(&snapshot->info, &ctb->info, sizeof(struct guc_ctb_info)); in guc_ctb_snapshot_capture()
1981 static void guc_ctb_snapshot_print(struct guc_ctb_snapshot *snapshot, in guc_ctb_snapshot_print() argument
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| H A D | xe_hw_engine.c | 924 struct xe_hw_engine_snapshot *snapshot; in xe_hw_engine_snapshot_capture() local
930 snapshot = kzalloc_obj(*snapshot, GFP_ATOMIC); in xe_hw_engine_snapshot_capture()
932 if (!snapshot) in xe_hw_engine_snapshot_capture()
935 snapshot->name = kstrdup(hwe->name, GFP_ATOMIC); in xe_hw_engine_snapshot_capture()
936 snapshot->hwe = hwe; in xe_hw_engine_snapshot_capture()
937 snapshot->logical_instance = hwe->logical_instance; in xe_hw_engine_snapshot_capture()
938 snapshot->forcewake.domain = hwe->domain; in xe_hw_engine_snapshot_capture()
939 snapshot->forcewake.ref = xe_force_wake_ref(gt_to_fw(hwe->gt), in xe_hw_engine_snapshot_capture()
941 snapshot->mmio_base = hwe->mmio_base; in xe_hw_engine_snapshot_capture()
942 snapshot->kernel_reserved = xe_hw_engine_is_reserved(hwe); in xe_hw_engine_snapshot_capture()
[all …]
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | snapshot.rst | 2 Device-mapper snapshot support
12 - To merge a snapshot of a block device back into the snapshot's origin
19 For snapshot merge the contents of the COW storage are merged back into
24 snapshot, snapshot-origin, and snapshot-merge.
26 - snapshot-origin <origin>
30 original data will be saved in the <COW device> of each snapshot to keep
34 - snapshot <origin> <COW device> <persistent?> <chunksize>
37 A snapshot of the <origin> block device is created. Changed chunks of
41 smaller than the origin and if it fills up the snapshot will become
48 snapshot status. So supported store types are "P", "PO" and "N".
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| H A D | era.rst | 16 coherency after rolling back a vendor snapshot.
50 Drop the metadata snapshot.
73 snapshot was the primary use case when developing this target:
75 Taking a vendor snapshot
80 - Take vendor snapshot (the era and snapshot should be forever
83 Rolling back to an vendor snapshot
88 - Take metadata snapshot
89 - Ascertain which blocks have been written since the snapshot was taken
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| /linux/Documentation/networking/devlink/ |
| H A D | devlink-region.rst | 18 All snapshots with the same snapshot id within a devlink instance
27 Regions may optionally support capturing a snapshot on demand via the
29 requested snapshots must implement the ``.snapshot`` callback for the region
30 in its ``devlink_region_ops`` structure. If snapshot id is not set in
32 the snapshot information to user space.
35 snapshot. Direct read requests are not atomic. In particular a read request
37 access is required, use a snapshot. A driver wishing to enable this for a
40 ``DEVLINK_ATTR_REGION_DIRECT`` attribute instead of specifying a snapshot
50 $ devlink region del DEV/REGION snapshot SNAPSHOT_ID
51 $ devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]
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| H A D | iosm.rst | 100 In case a firmware encounters an exception, a snapshot will be taken by the
130 $ devlink region dump pci/0000:02:00.0/report.json snapshot 0
132 $ devlink region del pci/0000:02:00.0/report.json snapshot 0
136 $ devlink region dump pci/0000:02:00.0/coredump.fcd snapshot 1
138 $ devlink region del pci/0000:02:00.0/coredump.fcd snapshot 1
142 $ devlink region dump pci/0000:02:00.0/cdd.log snapshot 2
144 $ devlink region del pci/0000:02:00.0/cdd.log snapshot 2
148 $ devlink region dump pci/0000:02:00.0/eeprom.bin snapshot 3
150 $ devlink region del pci/0000:02:00.0/eeprom.bin snapshot 3
154 $ devlink region dump pci/0000:02:00.0/bootcore_trace.bin snapshot 4
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| H A D | ixgbe.rst | 148 snapshot. The ``device-caps`` region requires a snapshot as the contents are
151 Users can request an immediate capture of a snapshot for all three regions
157 pci/0000:01:00.0/nvm-flash: size 10485760 snapshot [] max 1
158 pci/0000:01:00.0/device-caps: size 4096 snapshot [] max 10
160 $ devlink region new pci/0000:01:00.0/nvm-flash snapshot 1
162 $ devlink region dump pci/0000:01:00.0/nvm-flash snapshot 1
168 $ devlink region read pci/0000:01:00.0/nvm-flash snapshot 1 address 0 length 16
171 $ devlink region delete pci/0000:01:00.0/device-caps snapshot 1
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| /linux/net/devlink/ |
| H A D | region.c | 62 struct devlink_snapshot *snapshot; in devlink_region_snapshot_get_by_id() local
64 list_for_each_entry(snapshot, ®ion->snapshot_list, list) in devlink_region_snapshot_get_by_id()
65 if (snapshot->id == id) in devlink_region_snapshot_get_by_id()
66 return snapshot; in devlink_region_snapshot_get_by_id()
73 struct devlink_snapshot *snapshot) in devlink_nl_region_snapshot_id_put() argument
82 err = nla_put_u32(msg, DEVLINK_ATTR_REGION_SNAPSHOT_ID, snapshot->id); in devlink_nl_region_snapshot_id_put()
98 struct devlink_snapshot *snapshot; in devlink_nl_region_snapshots_id_put() local
107 list_for_each_entry(snapshot, ®ion->snapshot_list, list) { in devlink_nl_region_snapshots_id_put()
108 err = devlink_nl_region_snapshot_id_put(msg, devlink, snapshot); in devlink_nl_region_snapshots_id_put()
171 struct devlink_snapshot *snapshot, in devlink_nl_region_notify_build() argument
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| /linux/Documentation/power/ |
| H A D | userland-swsusp.rst | 13 utilities that will read/write the system memory snapshot from/to the
22 be read from /sys/class/misc/snapshot/dev.
45 create a snapshot of the system memory; the
48 creating the snapshot (1) or after restoring the system memory state
50 SNAPSHOT_CREATE_IMAGE ioctl() again); after the snapshot
56 uploaded snapshot image; before calling it you should transfer
57 the system memory snapshot back to the kernel using the write()
58 operation; this call will not succeed if the snapshot
62 free memory allocated for the snapshot image
118 The device's read() operation can be used to transfer the snapshot image from
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| /linux/tools/testing/selftests/ftrace/test.d/trigger/ |
| H A D | trigger-snapshot.tc | 11 FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
18 echo 0 > snapshot
23 grep sched_process_fork snapshot > /dev/null || \
27 echo 0 > snapshot
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| H A D | trigger-trace-marker-snapshot.tc | 36 grep -q 'Snapshot is allocated' snapshot
41 test_trace snapshot 2
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| /linux/kernel/power/ |
| H A D | swap.c | 518 struct snapshot_handle *snapshot, in save_image() argument
539 ret = snapshot_read_next(snapshot); in save_image()
542 ret = swap_write_page(handle, data_of(*snapshot), &hb); in save_image()
692 struct snapshot_handle *snapshot, in save_compressed_image() argument
810 ret = snapshot_read_next(snapshot); in save_compressed_image()
818 data_of(*snapshot), PAGE_SIZE); in save_compressed_image()
946 struct snapshot_handle snapshot; in swsusp_write() local
964 memset(&snapshot, 0, sizeof(struct snapshot_handle)); in swsusp_write()
965 error = snapshot_read_next(&snapshot); in swsusp_write()
972 header = (struct swsusp_info *)data_of(snapshot); in swsusp_write()
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| /linux/tools/testing/selftests/ftrace/test.d/00basic/ |
| H A D | snapshot.tc | 10 echo 1 > snapshot
13 grep -q "Snapshot is allocated" snapshot
22 echo 1 > snapshot
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| /linux/tools/testing/selftests/drivers/net/netdevsim/ |
| H A D | devlink.sh | 276 check_region_snapshot_count dummy post-first-snapshot 1
280 check_region_snapshot_count dummy post-second-snapshot 2
284 check_region_snapshot_count dummy post-third-snapshot 3
286 devlink region del $DL_HANDLE/dummy snapshot 1
291 devlink region new $DL_HANDLE/dummy snapshot 25
296 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null
299 devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null
302 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null
305 devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null
308 devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1
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| /linux/drivers/net/ethernet/qualcomm/rmnet/ |
| H A D | rmnet_vnd.c | 136 struct rmnet_vnd_stats snapshot; in rmnet_get_stats64() local
144 snapshot = pcpu_ptr->stats; /* struct assignment */ in rmnet_get_stats64()
147 total_stats.rx_pkts += snapshot.rx_pkts; in rmnet_get_stats64()
148 total_stats.rx_bytes += snapshot.rx_bytes; in rmnet_get_stats64()
149 total_stats.tx_pkts += snapshot.tx_pkts; in rmnet_get_stats64()
150 total_stats.tx_bytes += snapshot.tx_bytes; in rmnet_get_stats64()
151 total_stats.tx_drops += snapshot.tx_drops; in rmnet_get_stats64()
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| /linux/arch/x86/events/intel/ |
| H A D | bts.c | 57 bool snapshot; member
111 bb->snapshot = overwrite; in bts_buffer_setup_aux()
155 if (!bb->snapshot) { in bts_config_buffer()
172 ds->bts_interrupt_threshold = !bb->snapshot in bts_config_buffer()
197 if (!bb->snapshot) { in bts_update()
239 if (!bb->snapshot) in __bts_event_start()
325 if (bb->snapshot) in bts_event_stop()
393 if (bb->snapshot) in bts_buffer_reset()
498 if (bb->snapshot) in intel_bts_interrupt()
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| /linux/kernel/ |
| H A D | tracepoint.c | 49 struct tp_transition_snapshot *snapshot = &tp_transition_snapshot[sync]; in tp_rcu_get_state() local
52 snapshot->rcu = get_state_synchronize_rcu(); in tp_rcu_get_state()
53 snapshot->srcu_gp = start_poll_synchronize_srcu(&tracepoint_srcu); in tp_rcu_get_state()
54 snapshot->ongoing = true; in tp_rcu_get_state()
59 struct tp_transition_snapshot *snapshot = &tp_transition_snapshot[sync]; in tp_rcu_cond_sync() local
61 if (!snapshot->ongoing) in tp_rcu_cond_sync()
63 cond_synchronize_rcu(snapshot->rcu); in tp_rcu_cond_sync()
64 if (!poll_state_synchronize_srcu(&tracepoint_srcu, snapshot->srcu_gp)) in tp_rcu_cond_sync()
66 snapshot->ongoing = false; in tp_rcu_cond_sync()
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| /linux/fs/nilfs2/ |
| H A D | sysfs.h | 89 NILFS_CP_ATTR_STRUCT(snapshot);
132 NILFS_INFO_ATTR(snapshot, name)
134 NILFS_RO_ATTR(snapshot, name)
136 NILFS_RW_ATTR(snapshot, name)
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| /linux/tools/testing/selftests/ring-buffer/ |
| H A D | map_test.c | 263 FIXTURE(snapshot) { in FIXTURE() argument
267 FIXTURE_SETUP(snapshot) in FIXTURE_SETUP() argument
290 FIXTURE_TEARDOWN(snapshot) in FIXTURE_TEARDOWN() argument
300 TEST_F(snapshot, excludes_map) in TEST_F() argument
311 TEST_F(snapshot, excluded_by_map) in TEST_F() argument
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| /linux/net/ethtool/ |
| H A D | mse.c | 18 struct phy_mse_snapshot snapshot; member
48 &data->snapshots[*idx].snapshot); in get_snapshot_if_supported()
289 s->snapshot.average_mse); in mse_fill_reply()
295 s->snapshot.peak_mse); in mse_fill_reply()
302 s->snapshot.worst_peak_mse); in mse_fill_reply()
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