drivers/md/bcache/trace.c

Source file repositories/reference/linux-study-clean/drivers/md/bcache/trace.c

File Facts

System
Linux kernel
Corpus path
drivers/md/bcache/trace.c
Extension
.c
Size
1830 bytes
Lines
54
Domain
Driver Families
Bucket
drivers/md
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include "bcache.h"
#include "btree.h"

#include <linux/blktrace_api.h>
#include <linux/module.h>

#define CREATE_TRACE_POINTS
#include <trace/events/bcache.h>

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_request_start);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_request_end);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_bypass_sequential);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_bypass_congested);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_read);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_write);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_read_retry);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_cache_insert);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_journal_replay_key);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_journal_write);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_journal_full);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_journal_entry_full);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_cache_cannibalize);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_read);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_write);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_node_alloc);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_node_alloc_fail);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_node_free);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_gc_coalesce);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_gc_start);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_gc_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_gc_copy);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_gc_copy_collision);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_insert_key);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_node_split);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_node_compact);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_btree_set_root);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_invalidate);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_alloc_fail);

EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_writeback);
EXPORT_TRACEPOINT_SYMBOL_GPL(bcache_writeback_collision);

Annotation

Implementation Notes