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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-23 13:28:57 -0700 |
| commit | 4352b8aee98005853aa63f57d6377282de17a33f (patch) | |
| tree | 27614d7a9ef05c32d089004e104364ce42324837 /include/trace/events/bcache.h | |
| download | linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip | |
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni:
"A new driver this cycle, for the AMD AXI I3C controller.
There are also new features such as IBI wakeup support, SETAASA device
discovery and ACPI support for the the DAA methods, meaning we can now
communicate with the SPD devices on DDR5 modules.
New driver:
- AMD AXI I3C master controller
Subsystem:
- I3C Common Command Code (CCC) handling improvements, especially
around GET CCCs
- SETAASA device discovery support
- ACPI support for all existing DAA methods like SETDASA, SETNEWDA as
well as I2C devices on I3C bus
- IBI-based wakeup support
Drivers:
- dw: SETAASA support
- mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C
controller support, PIO queue management support for HCI v1.2
- renesas: improve suspend to RAM support, add runtime PM support"
* tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits)
i3c: dw: reduce do_daa time if there's no client
i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2
i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode
i3c: dw: rename "pclk" to "apb" to match dt-binding
i3c: dw: make struct dw_i3c_cmd smaller
i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding
i3c: renesas: Don't register devices when ENTDAA times out
i3c: master: dw-i3c-master: fix OD timing for first broadcast
i3c: mipi-i3c-hci: Advertise IBI wakeup capability
i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev()
i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI
i3c: master: Reject IBI requests from non-IBI-capable devices
i3c: master: Add helper to query bus wakeup requirements
i3c: master: Report wakeup events for IBIs
i3c: master: Support IBI-based wakeup capability
i3c: master: Fix potential UAF in i3c_device_match()
i3c: master: Fix potential UAF in i3c_device_uevent()
i3c: Make dev->desc locking assumptions explicit
i3c: master: Fix use-after-free of master->this
...
Diffstat (limited to 'include/trace/events/bcache.h')
| -rw-r--r-- | include/trace/events/bcache.h | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h new file mode 100644 index 000000000..899fdacf5 --- /dev/null +++ b/include/trace/events/bcache.h @@ -0,0 +1,505 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM bcache + +#if !defined(_TRACE_BCACHE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_BCACHE_H + +#include <linux/tracepoint.h> + +DECLARE_EVENT_CLASS(bcache_request, + TP_PROTO(struct bcache_device *d, struct bio *bio), + TP_ARGS(d, bio), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(unsigned int, orig_major ) + __field(unsigned int, orig_minor ) + __field(sector_t, sector ) + __field(dev_t, orig_sector ) + __field(unsigned int, nr_sector ) + __array(char, rwbs, 6 ) + ), + + TP_fast_assign( + __entry->dev = bio_dev(bio); + __entry->orig_major = d->disk->major; + __entry->orig_minor = d->disk->first_minor; + __entry->sector = bio->bi_iter.bi_sector; + __entry->orig_sector = bio->bi_iter.bi_sector - 16; + __entry->nr_sector = bio->bi_iter.bi_size >> 9; + blk_fill_rwbs(__entry->rwbs, bio->bi_opf); + ), + + TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->rwbs, (unsigned long long)__entry->sector, + __entry->nr_sector, __entry->orig_major, __entry->orig_minor, + (unsigned long long)__entry->orig_sector) +); + +DECLARE_EVENT_CLASS(bkey, + TP_PROTO(struct bkey *k), + TP_ARGS(k), + + TP_STRUCT__entry( + __field(u32, size ) + __field(u32, inode ) + __field(u64, offset ) + __field(bool, dirty ) + ), + + TP_fast_assign( + __entry->inode = KEY_INODE(k); + __entry->offset = KEY_OFFSET(k); + __entry->size = KEY_SIZE(k); + __entry->dirty = KEY_DIRTY(k); + ), + + TP_printk("%u:%llu len %u dirty %u", __entry->inode, + __entry->offset, __entry->size, __entry->dirty) +); + +DECLARE_EVENT_CLASS(btree_node, + TP_PROTO(struct btree *b), + TP_ARGS(b), + + TP_STRUCT__entry( + __field(size_t, bucket ) + ), + + TP_fast_assign( + __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0); + ), + + TP_printk("bucket %zu", __entry->bucket) +); + +/* request.c */ + +DEFINE_EVENT(bcache_request, bcache_request_start, + TP_PROTO(struct bcache_device *d, struct bio *bio), + TP_ARGS(d, bio) +); + +DEFINE_EVENT(bcache_request, bcache_request_end, + TP_PROTO(struct bcache_device *d, struct bio *bio), + TP_ARGS(d, bio) +); + +DECLARE_EVENT_CLASS(bcache_bio, + TP_PROTO(struct bio *bio), + TP_ARGS(bio), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(sector_t, sector ) + __field(unsigned int, nr_sector ) + __array(char, rwbs, 6 ) + ), + + TP_fast_assign( + __entry->dev = bio_dev(bio); + __entry->sector = bio->bi_iter.bi_sector; + __entry->nr_sector = bio->bi_iter.bi_size >> 9; + blk_fill_rwbs(__entry->rwbs, bio->bi_opf); + ), + + TP_printk("%d,%d %s %llu + %u", + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, + (unsigned long long)__entry->sector, __entry->nr_sector) +); + +DEFINE_EVENT(bcache_bio, bcache_bypass_sequential, + TP_PROTO(struct bio *bio), + TP_ARGS(bio) +); + +DEFINE_EVENT(bcache_bio, bcache_bypass_congested, + TP_PROTO(struct bio *bio), + TP_ARGS(bio) +); + +TRACE_EVENT(bcache_read, + TP_PROTO(struct bio *bio, bool hit, bool bypass), + TP_ARGS(bio, hit, bypass), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(sector_t, sector ) + __field(unsigned int, nr_sector ) + __array(char, rwbs, 6 ) + __field(bool, cache_hit ) + __field(bool, bypass ) + ), + + TP_fast_assign( + __entry->dev = bio_dev(bio); + __entry->sector = bio->bi_iter.bi_sector; + __entry->nr_sector = bio->bi_iter.bi_size >> 9; + blk_fill_rwbs(__entry->rwbs, bio->bi_opf); + __entry->cache_hit = hit; + __entry->bypass = bypass; + ), + + TP_printk("%d,%d %s %llu + %u hit %u bypass %u", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->rwbs, (unsigned long long)__entry->sector, + __entry->nr_sector, __entry->cache_hit, __entry->bypass) +); + +TRACE_EVENT(bcache_write, + TP_PROTO(struct cache_set *c, u64 inode, struct bio *bio, + bool writeback, bool bypass), + TP_ARGS(c, inode, bio, writeback, bypass), + + TP_STRUCT__entry( + __array(char, uuid, 16 ) + __field(u64, inode ) + __field(sector_t, sector ) + __field(unsigned int, nr_sector ) + __array(char, rwbs, 6 ) + __field(bool, writeback ) + __field(bool, bypass ) + ), + + TP_fast_assign( + memcpy(__entry->uuid, c->set_uuid, 16); + __entry->inode = inode; + __entry->sector = bio->bi_iter.bi_sector; + __entry->nr_sector = bio->bi_iter.bi_size >> 9; + blk_fill_rwbs(__entry->rwbs, bio->bi_opf); + __entry->writeback = writeback; + __entry->bypass = bypass; + ), + + TP_printk("%pU inode %llu %s %llu + %u hit %u bypass %u", + __entry->uuid, __entry->inode, + __entry->rwbs, (unsigned long long)__entry->sector, + __entry->nr_sector, __entry->writeback, __entry->bypass) +); + +DEFINE_EVENT(bcache_bio, bcache_read_retry, + TP_PROTO(struct bio *bio), + TP_ARGS(bio) +); + +DEFINE_EVENT(bkey, bcache_cache_insert, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +/* Journal */ + +DECLARE_EVENT_CLASS(cache_set, + TP_PROTO(struct cache_set *c), + TP_ARGS(c), + + TP_STRUCT__entry( + __array(char, uuid, 16 ) + ), + + TP_fast_assign( + memcpy(__entry->uuid, c->set_uuid, 16); + ), + + TP_printk("%pU", __entry->uuid) +); + +DEFINE_EVENT(bkey, bcache_journal_replay_key, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +DEFINE_EVENT(cache_set, bcache_journal_full, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +DEFINE_EVENT(cache_set, bcache_journal_entry_full, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +TRACE_EVENT(bcache_journal_write, + TP_PROTO(struct bio *bio, u32 keys), + TP_ARGS(bio, keys), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(sector_t, sector ) + __field(unsigned int, nr_sector ) + __array(char, rwbs, 6 ) + __field(u32, nr_keys ) + ), + + TP_fast_assign( + __entry->dev = bio_dev(bio); + __entry->sector = bio->bi_iter.bi_sector; + __entry->nr_sector = bio->bi_iter.bi_size >> 9; + __entry->nr_keys = keys; + blk_fill_rwbs(__entry->rwbs, bio->bi_opf); + ), + + TP_printk("%d,%d %s %llu + %u keys %u", + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, + (unsigned long long)__entry->sector, __entry->nr_sector, + __entry->nr_keys) +); + +/* Btree */ + +DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +DEFINE_EVENT(btree_node, bcache_btree_read, + TP_PROTO(struct btree *b), + TP_ARGS(b) +); + +TRACE_EVENT(bcache_btree_write, + TP_PROTO(struct btree *b), + TP_ARGS(b), + + TP_STRUCT__entry( + __field(size_t, bucket ) + __field(unsigned, block ) + __field(unsigned, keys ) + ), + + TP_fast_assign( + __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0); + __entry->block = b->written; + __entry->keys = b->keys.set[b->keys.nsets].data->keys; + ), + + TP_printk("bucket %zu written block %u + %u", + __entry->bucket, __entry->block, __entry->keys) +); + +DEFINE_EVENT(btree_node, bcache_btree_node_alloc, + TP_PROTO(struct btree *b), + TP_ARGS(b) +); + +DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +DEFINE_EVENT(btree_node, bcache_btree_node_free, + TP_PROTO(struct btree *b), + TP_ARGS(b) +); + +TRACE_EVENT(bcache_btree_gc_coalesce, + TP_PROTO(unsigned nodes), + TP_ARGS(nodes), + + TP_STRUCT__entry( + __field(unsigned, nodes ) + ), + + TP_fast_assign( + __entry->nodes = nodes; + ), + + TP_printk("coalesced %u nodes", __entry->nodes) +); + +DEFINE_EVENT(cache_set, bcache_gc_start, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +DEFINE_EVENT(cache_set, bcache_gc_end, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) +); + +DEFINE_EVENT(bkey, bcache_gc_copy, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +DEFINE_EVENT(bkey, bcache_gc_copy_collision, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +TRACE_EVENT(bcache_btree_insert_key, + TP_PROTO(struct btree *b, struct bkey *k, unsigned op, unsigned status), + TP_ARGS(b, k, op, status), + + TP_STRUCT__entry( + __field(u64, btree_node ) + __field(u32, btree_level ) + __field(u32, inode ) + __field(u64, offset ) + __field(u32, size ) + __field(u8, dirty ) + __field(u8, op ) + __field(u8, status ) + ), + + TP_fast_assign( + __entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0); + __entry->btree_level = b->level; + __entry->inode = KEY_INODE(k); + __entry->offset = KEY_OFFSET(k); + __entry->size = KEY_SIZE(k); + __entry->dirty = KEY_DIRTY(k); + __entry->op = op; + __entry->status = status; + ), + + TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u", + __entry->status, __entry->op, + __entry->btree_node, __entry->btree_level, + __entry->inode, __entry->offset, + __entry->size, __entry->dirty) +); + +DECLARE_EVENT_CLASS(btree_split, + TP_PROTO(struct btree *b, unsigned keys), + TP_ARGS(b, keys), + + TP_STRUCT__entry( + __field(size_t, bucket ) + __field(unsigned, keys ) + ), + + TP_fast_assign( + __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0); + __entry->keys = keys; + ), + + TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys) +); + +DEFINE_EVENT(btree_split, bcache_btree_node_split, + TP_PROTO(struct btree *b, unsigned keys), + TP_ARGS(b, keys) +); + +DEFINE_EVENT(btree_split, bcache_btree_node_compact, + TP_PROTO(struct btree *b, unsigned keys), + TP_ARGS(b, keys) +); + +DEFINE_EVENT(btree_node, bcache_btree_set_root, + TP_PROTO(struct btree *b), + TP_ARGS(b) +); + +TRACE_EVENT(bcache_keyscan, + TP_PROTO(unsigned nr_found, + unsigned start_inode, uint64_t start_offset, + unsigned end_inode, uint64_t end_offset), + TP_ARGS(nr_found, + start_inode, start_offset, + end_inode, end_offset), + + TP_STRUCT__entry( + __field(__u32, nr_found ) + __field(__u32, start_inode ) + __field(__u64, start_offset ) + __field(__u32, end_inode ) + __field(__u64, end_offset ) + ), + + TP_fast_assign( + __entry->nr_found = nr_found; + __entry->start_inode = start_inode; + __entry->start_offset = start_offset; + __entry->end_inode = end_inode; + __entry->end_offset = end_offset; + ), + + TP_printk("found %u keys from %u:%llu to %u:%llu", __entry->nr_found, + __entry->start_inode, __entry->start_offset, + __entry->end_inode, __entry->end_offset) +); + +/* Allocator */ + +TRACE_EVENT(bcache_invalidate, + TP_PROTO(struct cache *ca, size_t bucket), + TP_ARGS(ca, bucket), + + TP_STRUCT__entry( + __field(unsigned, sectors ) + __field(dev_t, dev ) + __field(__u64, offset ) + ), + + TP_fast_assign( + __entry->dev = ca->bdev->bd_dev; + __entry->offset = bucket << ca->set->bucket_bits; + __entry->sectors = GC_SECTORS_USED(&ca->buckets[bucket]); + ), + + TP_printk("invalidated %u sectors at %d,%d sector=%llu", + __entry->sectors, MAJOR(__entry->dev), + MINOR(__entry->dev), __entry->offset) +); + +TRACE_EVENT(bcache_alloc, + TP_PROTO(struct cache *ca, size_t bucket), + TP_ARGS(ca, bucket), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(__u64, offset ) + ), + + TP_fast_assign( + __entry->dev = ca->bdev->bd_dev; + __entry->offset = bucket << ca->set->bucket_bits; + ), + + TP_printk("allocated %d,%d sector=%llu", MAJOR(__entry->dev), + MINOR(__entry->dev), __entry->offset) +); + +TRACE_EVENT(bcache_alloc_fail, + TP_PROTO(struct cache *ca, unsigned reserve), + TP_ARGS(ca, reserve), + + TP_STRUCT__entry( + __field(dev_t, dev ) + __field(unsigned, free ) + __field(unsigned, free_inc ) + __field(unsigned, blocked ) + ), + + TP_fast_assign( + __entry->dev = ca->bdev->bd_dev; + __entry->free = fifo_used(&ca->free[reserve]); + __entry->free_inc = fifo_used(&ca->free_inc); + __entry->blocked = atomic_read(&ca->set->prio_blocked); + ), + + TP_printk("alloc fail %d,%d free %u free_inc %u blocked %u", + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->free, + __entry->free_inc, __entry->blocked) +); + +/* Background writeback */ + +DEFINE_EVENT(bkey, bcache_writeback, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +DEFINE_EVENT(bkey, bcache_writeback_collision, + TP_PROTO(struct bkey *k), + TP_ARGS(k) +); + +#endif /* _TRACE_BCACHE_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |
