#include <linux/blkdev.h>
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
+#include <linux/version.h>
+
+#define RWBS_LEN 8
#ifndef _TRACE_BLOCK_DEF_
#define _TRACE_BLOCK_DEF_
RWBS_FLAG_DISCARD = (1 << 1),
RWBS_FLAG_READ = (1 << 2),
RWBS_FLAG_RAHEAD = (1 << 3),
- RWBS_FLAG_SYNC = (1 << 4),
- RWBS_FLAG_META = (1 << 5),
- RWBS_FLAG_SECURE = (1 << 6),
+ RWBS_FLAG_BARRIER = (1 << 4),
+ RWBS_FLAG_SYNC = (1 << 5),
+ RWBS_FLAG_META = (1 << 6),
+ RWBS_FLAG_SECURE = (1 << 7),
+ RWBS_FLAG_FLUSH = (1 << 8),
+ RWBS_FLAG_FUA = (1 << 9),
};
#endif /* _TRACE_BLOCK_DEF_ */
#define __print_rwbs_flags(rwbs) \
__print_flags(rwbs, "", \
+ { RWBS_FLAG_FLUSH, "F" }, \
{ RWBS_FLAG_WRITE, "W" }, \
{ RWBS_FLAG_DISCARD, "D" }, \
{ RWBS_FLAG_READ, "R" }, \
+ { RWBS_FLAG_FUA, "F" }, \
{ RWBS_FLAG_RAHEAD, "A" }, \
+ { RWBS_FLAG_BARRIER, "B" }, \
{ RWBS_FLAG_SYNC, "S" }, \
{ RWBS_FLAG_META, "M" }, \
{ RWBS_FLAG_SECURE, "E" })
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+
+#define blk_fill_rwbs(rwbs, rw, bytes) \
+ tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
+ ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
+ ( (bytes) ? RWBS_FLAG_READ : \
+ ( 0 )))) \
+ | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
+ | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
+ | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
+ | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0) \
+ | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \
+ | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+
#define blk_fill_rwbs(rwbs, rw, bytes) \
tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
| ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+
+#define blk_fill_rwbs(rwbs, rw, bytes) \
+ tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
+ ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \
+ ( (bytes) ? RWBS_FLAG_READ : \
+ ( 0 )))) \
+ | ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0) \
+ | ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0) \
+ | ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0) \
+ | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \
+ | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
+
+#else
+
+#define blk_fill_rwbs(rwbs, rw, bytes) \
+ tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
+ ( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD : \
+ ( (bytes) ? RWBS_FLAG_READ : \
+ ( 0 )))) \
+ | ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \
+ | ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0) \
+ | ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0) \
+ | ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0))
+
+#endif
+
DECLARE_EVENT_CLASS(block_rq_with_error,
TP_PROTO(struct request_queue *q, struct request *rq),
*/
TRACE_EVENT(block_bio_complete,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
TP_PROTO(struct request_queue *q, struct bio *bio, int error),
TP_ARGS(q, bio, error),
+#else
+ TP_PROTO(struct request_queue *q, struct bio *bio),
+
+ TP_ARGS(q, bio),
+#endif
TP_STRUCT__entry(
__field( dev_t, dev )
tp_assign(dev, bio->bi_bdev->bd_dev)
tp_assign(sector, bio->bi_sector)
tp_assign(nr_sector, bio->bi_size >> 9)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
tp_assign(error, error)
+#else
+ tp_assign(error, 0)
+#endif
blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size)
),
DECLARE_EVENT_CLASS(block_unplug,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
TP_ARGS(q, depth, explicit),
+#else
+ TP_PROTO(struct request_queue *q),
+
+ TP_ARGS(q),
+#endif
TP_STRUCT__entry(
__field( int, nr_rq )
),
TP_fast_assign(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
tp_assign(nr_rq, depth)
+#else
+ tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
+#endif
tp_memcpy(comm, current->comm, TASK_COMM_LEN)
),
TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
+/**
+ * block_unplug_timer - timed release of operations requests in queue to device driver
+ * @q: request queue to unplug
+ *
+ * Unplug the request queue @q because a timer expired and allow block
+ * operation requests to be sent to the device driver.
+ */
+DEFINE_EVENT(block_unplug, block_unplug_timer,
+
+ TP_PROTO(struct request_queue *q),
+
+ TP_ARGS(q)
+)
+#endif
+
/**
* block_unplug - release of operations requests in request queue
* @q: request queue to unplug
* Unplug request queue @q because device driver is scheduled to work
* on elements in the request queue.
*/
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
DEFINE_EVENT(block_unplug, block_unplug,
+#else
+DEFINE_EVENT(block_unplug, block_unplug_io,
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
TP_ARGS(q, depth, explicit)
+#else
+ TP_PROTO(struct request_queue *q),
+
+ TP_ARGS(q)
+#endif
)
/**
* An operation for a logical device has been mapped to the
* raw block device.
*/
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
TRACE_EVENT(block_bio_remap,
+#else
+TRACE_EVENT(block_remap,
+#endif
TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
sector_t from),
(unsigned long long)__entry->old_sector)
)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
/**
* block_rq_remap - map request for a block operation request
* @q: queue holding the operation
MAJOR(__entry->old_dev), MINOR(__entry->old_dev),
(unsigned long long)__entry->old_sector)
)
+#endif
#undef __print_rwbs_flags
#undef blk_fill_rwbs
projects / lttng-modules.git / blobdiff