X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fblock.h;h=94225b9e0db70ec1873a32c938462dba9473625a;hb=9f7df0f1867273244e62e14e68e20e03db4902ca;hp=d42ebd4e4cff2fbc73f0b0741bd4916305441b36;hpb=7c68b363332170e4db100327ecc9e09b8a79cf29;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h index d42ebd4e..94225b9e 100644 --- a/instrumentation/events/lttng-module/block.h +++ b/instrumentation/events/lttng-module/block.h @@ -1,22 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM block -#if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_BLOCK_H +#if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) +#define LTTNG_TRACE_BLOCK_H +#include #include #include -#include #include -#include +#include -#define RWBS_LEN 8 +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) +#include +#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ #ifndef _TRACE_BLOCK_DEF_ #define _TRACE_BLOCK_DEF_ -#define __blk_dump_cmd(cmd, len) "" - enum { RWBS_FLAG_WRITE = (1 << 0), RWBS_FLAG_DISCARD = (1 << 1), @@ -28,27 +29,83 @@ enum { RWBS_FLAG_SECURE = (1 << 7), RWBS_FLAG_FLUSH = (1 << 8), RWBS_FLAG_FUA = (1 << 9), + RWBS_FLAG_PREFLUSH = (1 << 10), }; #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 : \ +#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM +LTTNG_TRACEPOINT_ENUM(block_rq_type, + TP_ENUM_VALUES( + ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE) + ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD) + ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ) + ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD) + ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER) + ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC) + ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META) + ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE) + ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH) + ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA) + ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH) + ) +) +#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */ + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,8,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \ + LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0)) + +#define lttng_req_op(rq) req_op(rq) +#define lttng_req_rw(rq) ((rq)->cmd_flags) +#define lttng_bio_op(bio) bio_op(bio) +#define lttng_bio_rw(bio) ((bio)->bi_opf) + +#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_enum(block_rq_type, type, rwbs, \ + (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ + ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ + ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ + ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ + ( (op) == REQ_OP_READ ? 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_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ + | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) +#else +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_integer(type, rwbs, \ + (((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \ + ( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD : \ + ( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \ + ( (op) == REQ_OP_FLUSH ? RWBS_FLAG_FLUSH : \ + ( (op) == REQ_OP_READ ? 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_PREFLUSH ? RWBS_FLAG_PREFLUSH : 0) \ + | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) +#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */ + +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0)) + +#define lttng_req_op(rq) +#define lttng_req_rw(rq) ((rq)->cmd_flags) +#define lttng_bio_op(bio) +#define lttng_bio_rw(bio) ((bio)->bi_rw) + +#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ ( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD : \ ( (bytes) ? RWBS_FLAG_READ : \ ( 0 )))) \ @@ -58,84 +115,183 @@ enum { | ((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 : \ +#else +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_integer(type, 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_SECURE ? RWBS_FLAG_SECURE : 0) \ + | ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0) \ + | ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0)) +#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */ + +#else -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)) +#define lttng_req_op(rq) +#define lttng_req_rw(rq) ((rq)->cmd_flags) +#define lttng_bio_op(bio) +#define lttng_bio_rw(bio) ((bio)->bi_rw) -#define blk_fill_rwbs(rwbs, rw, bytes) \ - tp_assign(rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ +#ifdef CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_enum(block_rq_type, type, 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 : \ +#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes) \ + ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \ + ( (rw) & REQ_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)) + | ((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)) +#endif /* CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM */ + +#endif + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_buffer, + + TP_PROTO(struct buffer_head *bh), + + TP_ARGS(bh), + + TP_FIELDS ( + ctf_integer(dev_t, dev, bh->b_bdev->bd_dev) + ctf_integer(sector_t, sector, bh->b_blocknr) + ctf_integer(size_t, size, bh->b_size) + ) +) + +/** + * block_touch_buffer - mark a buffer accessed + * @bh: buffer_head being touched + * + * Called from touch_buffer(). + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_touch_buffer, + + TP_PROTO(struct buffer_head *bh), + + TP_ARGS(bh) +) +/** + * block_dirty_buffer - mark a buffer dirty + * @bh: buffer_head being dirtied + * + * Called from mark_buffer_dirty(). + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer, + + TP_PROTO(struct buffer_head *bh), + + TP_ARGS(bh) +) #endif -DECLARE_EVENT_CLASS(block_rq_with_error, +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) +/* block_rq_with_error event class removed in kernel 4.12 */ +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) +LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, + + TP_PROTO(struct request_queue *q, struct request *rq), + + TP_ARGS(q, rq), + + TP_locvar( + sector_t sector; + unsigned int nr_sector; + unsigned char *cmd; + size_t cmd_len; + ), + + TP_code_pre( + if (blk_rq_is_scsi(rq)) { + struct scsi_request *scsi_rq = scsi_req(rq); + tp_locvar->sector = 0; + tp_locvar->nr_sector = 0; + tp_locvar->cmd = scsi_rq->cmd; + tp_locvar->cmd_len = scsi_rq->cmd_len; + } else { + tp_locvar->sector = blk_rq_pos(rq); + tp_locvar->nr_sector = blk_rq_sectors(rq); + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } + ), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, tp_locvar->sector) + ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) + ctf_integer(int, errors, rq->errors) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ), + + TP_code_post() +) +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ +LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( int, errors ) - __field( unsigned int, rwbs ) - __dynamic_array_hex( unsigned char, cmd, - (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - rq->cmd_len : 0) + TP_locvar( + sector_t sector; + unsigned int nr_sector; + unsigned char *cmd; + size_t cmd_len; ), - TP_fast_assign( - tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) - tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - 0 : blk_rq_pos(rq)) - tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - 0 : blk_rq_sectors(rq)) - tp_assign(errors, rq->errors) - blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) - tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - rq->cmd : NULL); + TP_code_pre( + + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { + tp_locvar->sector = 0; + tp_locvar->nr_sector = 0; + tp_locvar->cmd = rq->cmd; + tp_locvar->cmd_len = rq->cmd_len; + } else { + tp_locvar->sector = blk_rq_pos(rq); + tp_locvar->nr_sector = blk_rq_sectors(rq); + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } ), - TP_printk("%d,%d %s (%s) %llu + %u [%d]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - __blk_dump_cmd(__get_dynamic_array(cmd), - __get_dynamic_array_len(cmd)), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->errors) + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, tp_locvar->sector) + ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) + ctf_integer(int, errors, rq->errors) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ), + + TP_code_post() ) +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ +#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,12,0)) /** * block_rq_abort - abort block operation request * @q: queue containing the block operation request @@ -146,13 +302,64 @@ DECLARE_EVENT_CLASS(block_rq_with_error, * can be examined to determine which device and sectors the pending * operation would access. */ -DEFINE_EVENT(block_rq_with_error, block_rq_abort, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq) ) +#endif + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) +/** + * block_rq_requeue - place block IO request back on a queue + * @rq: block IO operation request + * + * The block operation request @rq is being placed back into queue + * @q. For some reason the request was not completed and needs to be + * put back in the queue. + */ +LTTNG_TRACEPOINT_EVENT(block_rq_requeue, + TP_PROTO(struct request *rq), + + TP_ARGS(rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->q->disk ? disk_devt(rq->q->disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) +/** + * block_rq_requeue - place block IO request back on a queue + * @rq: block IO operation request + * + * The block operation request @rq is being placed back into queue + * @q. For some reason the request was not completed and needs to be + * put back in the queue. + */ +LTTNG_TRACEPOINT_EVENT(block_rq_requeue, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) /** * block_rq_requeue - place block IO request back on a queue * @q: queue holding operation @@ -162,17 +369,35 @@ DEFINE_EVENT(block_rq_with_error, block_rq_abort, * @q. For some reason the request was not completed and needs to be * put back in the queue. */ -DEFINE_EVENT(block_rq_with_error, block_rq_requeue, +LTTNG_TRACEPOINT_EVENT(block_rq_requeue, + + TP_PROTO(struct request_queue *q, struct request *rq), + + TP_ARGS(q, rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) +) +#else +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq) ) +#endif /** * block_rq_complete - block IO operation completed by device driver * @q: queue containing the block operation request * @rq: block operations request + * @nr_bytes: number of completed bytes * * The block_rq_complete tracepoint event indicates that some portion * of operation request has been completed by the device driver. If @@ -180,55 +405,335 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue, * do for the request. If @rq->bio is non-NULL then there is * additional work required to complete the request. */ -DEFINE_EVENT(block_rq_with_error, block_rq_complete, +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) +LTTNG_TRACEPOINT_EVENT(block_rq_complete, + + TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes), + + TP_ARGS(rq, error, nr_bytes), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->q->disk ? disk_devt(rq->q->disk) : 0) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) + ctf_integer(int, error, blk_status_to_errno(error)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0)) +LTTNG_TRACEPOINT_EVENT(block_rq_complete, + + TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes), + + TP_ARGS(rq, error, nr_bytes), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) + ctf_integer(int, error, blk_status_to_errno(error)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) +LTTNG_TRACEPOINT_EVENT(block_rq_complete, + + TP_PROTO(struct request *rq, int error, unsigned int nr_bytes), + + TP_ARGS(rq, error, nr_bytes), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) + ctf_integer(int, error, error) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) +LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, + + TP_PROTO(struct request_queue *q, struct request *rq, + unsigned int nr_bytes), + + TP_ARGS(q, rq, nr_bytes), + + TP_locvar( + unsigned char *cmd; + size_t cmd_len; + ), + + TP_code_pre( + if (blk_rq_is_scsi(rq)) { + struct scsi_request *scsi_rq = scsi_req(rq); + tp_locvar->cmd = scsi_rq->cmd; + tp_locvar->cmd_len = scsi_rq->cmd_len; + } else { + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } + ), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) + ctf_integer(int, errors, rq->errors) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ), + + TP_code_post() +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,5) \ + || LTTNG_KERNEL_RANGE(3,12,21, 3,13,0) \ + || LTTNG_KERNEL_RANGE(3,10,41, 3,11,0) \ + || LTTNG_KERNEL_RANGE(3,4,91, 3,5,0) \ + || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0) \ + || LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0) \ + || LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0)) + +LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete, + + TP_PROTO(struct request_queue *q, struct request *rq, + unsigned int nr_bytes), + + TP_ARGS(q, rq, nr_bytes), + + TP_locvar( + unsigned char *cmd; + size_t cmd_len; + ), + + TP_code_pre( + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { + tp_locvar->cmd = rq->cmd; + tp_locvar->cmd_len = rq->cmd_len; + } else { + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } + ), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, nr_bytes >> 9) + ctf_integer(int, errors, rq->errors) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), nr_bytes) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ), + + TP_code_post() +) + +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */ + +/** + * block_rq_complete - block IO operation completed by device driver + * @q: queue containing the block operation request + * @rq: block operations request + * + * The block_rq_complete tracepoint event indicates that some portion + * of operation request has been completed by the device driver. If + * the @rq->bio is %NULL, then there is absolutely no additional work to + * do for the request. If @rq->bio is non-NULL then there is + * additional work required to complete the request. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq) ) -DECLARE_EVENT_CLASS(block_rq, +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,15,0)) */ + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->q->disk ? disk_devt(rq->q->disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) + ctf_integer(pid_t, tid, current->pid) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) + ctf_integer(pid_t, tid, current->pid) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, + + TP_PROTO(struct request_queue *q, struct request *rq), + + TP_ARGS(q, rq), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, blk_rq_trace_sector(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq)) + ctf_integer(unsigned int, bytes, blk_rq_bytes(rq)) + ctf_integer(pid_t, tid, current->pid) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) +LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, + + TP_PROTO(struct request_queue *q, struct request *rq), + + TP_ARGS(q, rq), + + TP_locvar( + sector_t sector; + unsigned int nr_sector; + unsigned int bytes; + unsigned char *cmd; + size_t cmd_len; + ), + + TP_code_pre( + if (blk_rq_is_scsi(rq)) { + struct scsi_request *scsi_rq = scsi_req(rq); + tp_locvar->sector = 0; + tp_locvar->nr_sector = 0; + tp_locvar->bytes = scsi_rq->resid_len; + tp_locvar->cmd = scsi_rq->cmd; + tp_locvar->cmd_len = scsi_rq->cmd_len; + } else { + tp_locvar->sector = blk_rq_pos(rq); + tp_locvar->nr_sector = blk_rq_sectors(rq); + tp_locvar->bytes = 0; + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } + ), + + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, tp_locvar->sector) + ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) + ctf_integer(unsigned int, bytes, tp_locvar->bytes) + ctf_integer(pid_t, tid, current->pid) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ), + + TP_code_post() +) +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ +LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( unsigned int, bytes ) - __field( unsigned int, rwbs ) - __array_text( char, comm, TASK_COMM_LEN ) - __dynamic_array_hex( unsigned char, cmd, - (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - rq->cmd_len : 0) + TP_locvar( + sector_t sector; + unsigned int nr_sector; + unsigned int bytes; + unsigned char *cmd; + size_t cmd_len; + ), + + TP_code_pre( + if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { + tp_locvar->sector = 0; + tp_locvar->nr_sector = 0; + tp_locvar->bytes = blk_rq_bytes(rq); + tp_locvar->cmd = rq->cmd; + tp_locvar->cmd_len = rq->cmd_len; + } else { + tp_locvar->sector = blk_rq_pos(rq); + tp_locvar->nr_sector = blk_rq_sectors(rq); + tp_locvar->bytes = 0; + tp_locvar->cmd = NULL; + tp_locvar->cmd_len = 0; + } ), - TP_fast_assign( - tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) - tp_assign(sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - 0 : blk_rq_pos(rq)) - tp_assign(nr_sector, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - 0 : blk_rq_sectors(rq)) - tp_assign(bytes, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - blk_rq_bytes(rq) : 0) - blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) - tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? - rq->cmd : NULL); - tp_memcpy(comm, current->comm, TASK_COMM_LEN) + TP_FIELDS( + ctf_integer(dev_t, dev, + rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + ctf_integer(sector_t, sector, tp_locvar->sector) + ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector) + ctf_integer(unsigned int, bytes, tp_locvar->bytes) + ctf_integer(pid_t, tid, current->pid) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ctf_sequence_hex(unsigned char, cmd, + tp_locvar->cmd, size_t, tp_locvar->cmd_len) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) ), - TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - __entry->bytes, - __blk_dump_cmd(__get_dynamic_array(cmd), - __get_dynamic_array_len(cmd)), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + TP_code_post() ) +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,11,0)) */ +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) +/** + * block_rq_insert - insert block operation request into queue + * @rq: block IO operation request + * + * Called immediately before block operation request @rq is inserted + * into queue @q. The fields in the operation request @rq struct can + * be examined to determine which device and sectors the pending + * operation would access. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq) +) +#else /** * block_rq_insert - insert block operation request into queue * @q: target queue @@ -239,13 +744,30 @@ DECLARE_EVENT_CLASS(block_rq, * be examined to determine which device and sectors the pending * operation would access. */ -DEFINE_EVENT(block_rq, block_rq_insert, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq) ) +#endif +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) +/** + * block_rq_issue - issue pending block IO request operation to device driver + * @rq: block IO operation operation request + * + * Called when block operation request @rq from queue @q is sent to a + * device driver for processing. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq) +) +#else /** * block_rq_issue - issue pending block IO request operation to device driver * @q: queue holding operation @@ -254,54 +776,101 @@ DEFINE_EVENT(block_rq, block_rq_insert, * Called when block operation request @rq from queue @q is sent to a * device driver for processing. */ -DEFINE_EVENT(block_rq, block_rq_issue, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, TP_PROTO(struct request_queue *q, struct request *rq), TP_ARGS(q, rq) ) +#endif +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) /** - * block_bio_bounce - used bounce buffer when processing block operation + * block_rq_merge - merge request with another one in the elevator + * @rq: block IO operation operation request + * + * Called when block operation request @rq from queue @q is merged to another + * request queued in the elevator. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) +/** + * block_rq_merge - merge request with another one in the elevator + * @q: queue holding operation + * @rq: block IO operation operation request + * + * Called when block operation request @rq from queue @q is merged to another + * request queued in the elevator. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge, + + TP_PROTO(struct request_queue *q, struct request *rq), + + TP_ARGS(q, rq) +) +#endif + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \ + LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0)) + +/** + * block_bio_complete - completed all work on the block operation * @q: queue holding the block operation - * @bio: block operation + * @bio: block operation completed + * @error: io error value * - * A bounce buffer was used to handle the block operation @bio in @q. - * This occurs when hardware limitations prevent a direct transfer of - * data between the @bio data memory area and the IO device. Use of a - * bounce buffer requires extra copying of data and decreases - * performance. + * This tracepoint indicates there is no further work to do on this + * block IO operation @bio. */ -TRACE_EVENT(block_bio_bounce, +LTTNG_TRACEPOINT_EVENT(block_bio_complete, TP_PROTO(struct request_queue *q, struct bio *bio), TP_ARGS(q, bio), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( unsigned int, rwbs ) - __array_text( char, comm, TASK_COMM_LEN ) - ), + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + ctf_integer(int, error, blk_status_to_errno(bio->bi_status)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) +/** + * block_bio_complete - completed all work on the block operation + * @q: queue holding the block operation + * @bio: block operation completed + * @error: io error value + * + * This tracepoint indicates there is no further work to do on this + * block IO operation @bio. + */ +LTTNG_TRACEPOINT_EVENT(block_bio_complete, - TP_fast_assign( - tp_assign(dev, bio->bi_bdev ? - bio->bi_bdev->bd_dev : 0) - tp_assign(sector, bio->bi_sector) - tp_assign(nr_sector, bio->bi_size >> 9) - blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) - tp_memcpy(comm, current->comm, TASK_COMM_LEN) - ), + TP_PROTO(struct request_queue *q, struct bio *bio, int error), - TP_printk("%d,%d %s %llu + %u [%s]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) -) + TP_ARGS(q, bio, error), + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + ctf_integer(int, error, error) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) /** * block_bio_complete - completed all work on the block operation * @q: queue holding the block operation @@ -311,72 +880,332 @@ TRACE_EVENT(block_bio_bounce, * This tracepoint indicates there is no further work to do on this * block IO operation @bio. */ -TRACE_EVENT(block_bio_complete, +LTTNG_TRACEPOINT_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), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + ctf_integer(int, error, error) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ) +) #else +/** + * block_bio_complete - completed all work on the block operation + * @q: queue holding the block operation + * @bio: block operation completed + * @error: io error value + * + * This tracepoint indicates there is no further work to do on this + * block IO operation @bio. + */ +LTTNG_TRACEPOINT_EVENT(block_bio_complete, + + TP_PROTO(struct request_queue *q, struct bio *bio, int error), + + TP_ARGS(q, bio, error), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + ctf_integer(int, error, error) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) + ) +) +#endif + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, + + TP_PROTO(struct bio *bio), + + TP_ARGS(bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, + + TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), + + TP_ARGS(q, rq, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, + + TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), + + TP_ARGS(q, rq, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) +LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge, + + TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), + + TP_ARGS(q, rq, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#endif + + + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +/** + * block_bio_bounce - used bounce buffer when processing block operation + * @bio: block operation + * + * A bounce buffer was used to handle the block operation @bio in @q. + * This occurs when hardware limitations prevent a direct transfer of + * data between the @bio data memory area and the IO device. Use of a + * bounce buffer requires extra copying of data and decreases + * performance. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_bounce, + + TP_PROTO(struct bio *bio), + + TP_ARGS(bio) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) +/** + * block_bio_bounce - used bounce buffer when processing block operation + * @q: queue holding the block operation + * @bio: block operation + * + * A bounce buffer was used to handle the block operation @bio in @q. + * This occurs when hardware limitations prevent a direct transfer of + * data between the @bio data memory area and the IO device. Use of a + * bounce buffer requires extra copying of data and decreases + * performance. + */ +LTTNG_TRACEPOINT_EVENT(block_bio_bounce, + TP_PROTO(struct request_queue *q, struct bio *bio), TP_ARGS(q, bio), -#endif - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned, nr_sector ) - __field( int, error ) - __field( unsigned int, rwbs ) - ), + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) +LTTNG_TRACEPOINT_EVENT(block_bio_bounce, + + TP_PROTO(struct request_queue *q, struct bio *bio), - TP_fast_assign( - 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) + TP_ARGS(q, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) #else - tp_assign(error, 0) +LTTNG_TRACEPOINT_EVENT(block_bio_bounce, + + TP_PROTO(struct request_queue *q, struct bio *bio), + + TP_ARGS(q, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) #endif - blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) - ), - TP_printk("%d,%d %s %llu + %u [%d]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->error) + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +/** + * block_bio_backmerge - merging block operation to the end of an existing operation + * @bio: new block operation to merge + * + * Merging block request @bio to the end of an existing block request. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, + + TP_PROTO(struct bio *bio), + + TP_ARGS(bio) +) + +/** + * block_bio_frontmerge - merging block operation to the beginning of an existing operation + * @bio: new block operation to merge + * + * Merging block IO operation @bio to the beginning of an existing block request. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, + + TP_PROTO(struct bio *bio), + + TP_ARGS(bio) +) + +/** + * block_bio_queue - putting new block IO operation in queue + * @bio: new block operation + * + * About to place the block IO operation @bio into queue @q. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, + + TP_PROTO(struct bio *bio), + + TP_ARGS(bio) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) +/** + * block_bio_backmerge - merging block operation to the end of an existing operation + * @q: queue holding operation + * @rq: request bio is being merged into + * @bio: new block operation to merge + * + * Merging block request @bio to the end of an existing block request + * in queue @q. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge, + + TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), + + TP_ARGS(q, rq, bio) ) -DECLARE_EVENT_CLASS(block_bio, +/** + * block_bio_frontmerge - merging block operation to the beginning of an existing operation + * @q: queue holding operation + * @rq: request bio is being merged into + * @bio: new block operation to merge + * + * Merging block IO operation @bio to the beginning of an existing block + * operation in queue @q. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_frontmerge, + + TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio), + + TP_ARGS(q, rq, bio) +) + +/** + * block_bio_queue - putting new block IO operation in queue + * @q: queue holding operation + * @bio: new block operation + * + * About to place the block IO operation @bio into queue @q. + */ +LTTNG_TRACEPOINT_EVENT(block_bio_queue, TP_PROTO(struct request_queue *q, struct bio *bio), TP_ARGS(q, bio), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( unsigned int, rwbs ) - __array_text( char, comm, TASK_COMM_LEN ) - ), + TP_FIELDS( +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) + ctf_integer(dev_t, dev, bio_dev(bio)) +#else + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) +#endif +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#else /* if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */ +LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, - TP_fast_assign( - tp_assign(dev, bio->bi_bdev->bd_dev) - tp_assign(sector, bio->bi_sector) - tp_assign(nr_sector, bio->bi_size >> 9) - blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) - tp_memcpy(comm, current->comm, TASK_COMM_LEN) - ), + TP_PROTO(struct request_queue *q, struct bio *bio), - TP_printk("%d,%d %s %llu + %u [%s]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + TP_ARGS(q, bio), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) /** @@ -387,7 +1216,7 @@ DECLARE_EVENT_CLASS(block_bio, * Merging block request @bio to the end of an existing block request * in queue @q. */ -DEFINE_EVENT(block_bio, block_bio_backmerge, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge, TP_PROTO(struct request_queue *q, struct bio *bio), @@ -402,7 +1231,7 @@ DEFINE_EVENT(block_bio, block_bio_backmerge, * Merging block IO operation @bio to the beginning of an existing block * operation in queue @q. */ -DEFINE_EVENT(block_bio, block_bio_frontmerge, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge, TP_PROTO(struct request_queue *q, struct bio *bio), @@ -416,53 +1245,72 @@ DEFINE_EVENT(block_bio, block_bio_frontmerge, * * About to place the block IO operation @bio into queue @q. */ -DEFINE_EVENT(block_bio, block_bio_queue, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue, TP_PROTO(struct request_queue *q, struct bio *bio), TP_ARGS(q, bio) ) +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */ -DECLARE_EVENT_CLASS(block_get_rq, +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +/** + * block_getrq - get a free request entry in queue for block IO operations + * @bio: pending block IO operation (can be %NULL) + * + * A request struct has been allocated to handle the block IO operation @bio. + */ +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_getrq, - TP_PROTO(struct request_queue *q, struct bio *bio, int rw), + TP_PROTO(struct bio *bio), - TP_ARGS(q, bio, rw), + TP_ARGS(bio) +) +#else +LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( unsigned int, rwbs ) - __array_text( char, comm, TASK_COMM_LEN ) - ), + TP_PROTO(struct request_queue *q, struct bio *bio, int rw), - TP_fast_assign( - tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0) - tp_assign(sector, bio ? bio->bi_sector : 0) - tp_assign(nr_sector, bio ? bio->bi_size >> 9 : 0) - blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0, - bio ? bio->bi_size >> 9 : 0) - tp_memcpy(comm, current->comm, TASK_COMM_LEN) - ), + TP_ARGS(q, bio, rw), - TP_printk("%d,%d %s %llu + %u [%s]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + TP_FIELDS( +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) + ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0) +#else + ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0) +#endif +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) + ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0) + ctf_integer(unsigned int, nr_sector, + bio ? bio_sectors(bio) : 0) + blk_rwbs_ctf_integer(unsigned int, rwbs, + bio ? lttng_bio_op(bio) : 0, + bio ? lttng_bio_rw(bio) : 0, + bio ? bio->bi_iter.bi_size : 0) +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ + ctf_integer(sector_t, sector, bio ? bio->bi_sector : 0) + ctf_integer(unsigned int, nr_sector, + bio ? bio->bi_size >> 9 : 0) + blk_rwbs_ctf_integer(unsigned int, rwbs, + bio ? lttng_bio_op(bio) : 0, + bio ? lttng_bio_rw(bio) : 0, + bio ? bio->bi_size : 0) +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) */ + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) /** * block_getrq - get a free request entry in queue for block IO operations * @q: queue for operations - * @bio: pending block IO operation + * @bio: pending block IO operation (can be %NULL) * @rw: low bit indicates a read (%0) or a write (%1) * * A request struct for queue @q has been allocated to handle the * block IO operation @bio. */ -DEFINE_EVENT(block_get_rq, block_getrq, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, TP_PROTO(struct request_queue *q, struct bio *bio, int rw), @@ -472,7 +1320,7 @@ DEFINE_EVENT(block_get_rq, block_getrq, /** * block_sleeprq - waiting to get a free request entry in queue for block IO operation * @q: queue for operation - * @bio: pending block IO operation + * @bio: pending block IO operation (can be %NULL) * @rw: low bit indicates a read (%0) or a write (%1) * * In the case where a request struct cannot be provided for queue @q @@ -480,12 +1328,13 @@ DEFINE_EVENT(block_get_rq, block_getrq, * available. This tracepoint event is generated each time the * process goes to sleep waiting for request struct become available. */ -DEFINE_EVENT(block_get_rq, block_sleeprq, +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq, TP_PROTO(struct request_queue *q, struct bio *bio, int rw), TP_ARGS(q, bio, rw) ) +#endif /** * block_plug - keep operations requests in request queue @@ -495,67 +1344,30 @@ DEFINE_EVENT(block_get_rq, block_sleeprq, * to be sent to the device driver. Instead, accumulate requests in * the queue to improve throughput performance of the block device. */ -TRACE_EVENT(block_plug, +LTTNG_TRACEPOINT_EVENT(block_plug, TP_PROTO(struct request_queue *q), TP_ARGS(q), - TP_STRUCT__entry( - __array_text( char, comm, TASK_COMM_LEN ) - ), - - TP_fast_assign( - tp_memcpy(comm, current->comm, TASK_COMM_LEN) - ), - - TP_printk("[%s]", __entry->comm) + TP_FIELDS( + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) -DECLARE_EVENT_CLASS(block_unplug, +LTTNG_TRACEPOINT_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 ) - __array_text( char, comm, TASK_COMM_LEN ) - ), - - 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) + TP_FIELDS( + ctf_integer(int, nr_rq, depth) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) -#endif /** * block_unplug - release of operations requests in request queue @@ -566,23 +1378,43 @@ DEFINE_EVENT(block_unplug, block_unplug_timer, * 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 +LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, 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 +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +/** + * block_split - split a single bio struct into two bio structs + * @bio: block operation being split + * @new_sector: The starting sector for the new bio + * + * The bio request @bio needs to be split into two bio requests. The newly + * created @bio request starts at @new_sector. This split may be required due to + * hardware limitations such as operation crossing device boundaries in a RAID + * system. + */ +LTTNG_TRACEPOINT_EVENT(block_split, + + TP_PROTO(struct bio *bio, unsigned int new_sector), + + TP_ARGS(bio, new_sector), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(sector_t, new_sector, new_sector) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) /** * block_split - split a single bio struct into two bio structs * @q: queue containing the bio @@ -594,37 +1426,91 @@ DEFINE_EVENT(block_unplug, block_unplug_io, * @new_sector. This split may be required due to hardware limitation * such as operation crossing device boundaries in a RAID system. */ -TRACE_EVENT(block_split, +LTTNG_TRACEPOINT_EVENT(block_split, TP_PROTO(struct request_queue *q, struct bio *bio, unsigned int new_sector), TP_ARGS(q, bio, new_sector), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( sector_t, new_sector ) - __field( unsigned int, rwbs ) - __array_text( char, comm, TASK_COMM_LEN ) - ), + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(sector_t, new_sector, new_sector) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) +LTTNG_TRACEPOINT_EVENT(block_split, - TP_fast_assign( - tp_assign(dev, bio->bi_bdev->bd_dev) - tp_assign(sector, bio->bi_sector) - tp_assign(new_sector, new_sector) - blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) - tp_memcpy(comm, current->comm, TASK_COMM_LEN) - ), + TP_PROTO(struct request_queue *q, struct bio *bio, + unsigned int new_sector), + + TP_ARGS(q, bio, new_sector), - TP_printk("%d,%d %s %llu / %llu [%s]", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - (unsigned long long)__entry->new_sector, - __entry->comm) + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(sector_t, new_sector, new_sector) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) ) +#else +LTTNG_TRACEPOINT_EVENT(block_split, + + TP_PROTO(struct request_queue *q, struct bio *bio, + unsigned int new_sector), + TP_ARGS(q, bio, new_sector), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_sector) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) + ctf_integer(sector_t, new_sector, new_sector) + ctf_integer(pid_t, tid, current->pid) + ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) + ) +) +#endif + +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) +/** + * block_bio_remap - map request for a logical device to the raw device + * @bio: revised operation + * @dev: original device for the operation + * @from: original sector for the operation + * + * An operation for a logical device has been mapped to the + * raw block device. + */ +LTTNG_TRACEPOINT_EVENT(block_bio_remap, + + TP_PROTO(struct bio *bio, dev_t dev, sector_t from), + + TP_ARGS(bio, dev, from), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) /** * block_bio_remap - map request for a logical device to the raw device * @q: queue holding the operation @@ -635,45 +1521,119 @@ TRACE_EVENT(block_split, * 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, +LTTNG_TRACEPOINT_EVENT(block_bio_remap, + + TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, + sector_t from), + + TP_ARGS(q, bio, dev, from), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio_dev(bio)) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + ) +) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,14,0)) +LTTNG_TRACEPOINT_EVENT(block_bio_remap, + + TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, + sector_t from), + + TP_ARGS(q, bio, dev, from), + + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_iter.bi_sector) + ctf_integer(unsigned int, nr_sector, bio_sectors(bio)) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), + bio->bi_iter.bi_size) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + ) +) #else -TRACE_EVENT(block_remap, -#endif +LTTNG_TRACEPOINT_EVENT(block_bio_remap, TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev, sector_t from), TP_ARGS(q, bio, dev, from), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( dev_t, old_dev ) - __field( sector_t, old_sector ) - __field( unsigned int, rwbs ) - ), + TP_FIELDS( + ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev) + ctf_integer(sector_t, sector, bio->bi_sector) + ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + ) +) +#endif - TP_fast_assign( - tp_assign(dev, bio->bi_bdev->bd_dev) - tp_assign(sector, bio->bi_sector) - tp_assign(nr_sector, bio->bi_size >> 9) - tp_assign(old_dev, dev) - tp_assign(old_sector, from) - blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) - ), +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0)) +/** + * block_rq_remap - map request for a block operation request + * @rq: block IO operation request + * @dev: device for the operation + * @from: original sector for the operation + * + * The block operation request @rq in @q has been remapped. The block + * operation request @rq holds the current information and @from hold + * the original sector. + */ +LTTNG_TRACEPOINT_EVENT(block_rq_remap, + + TP_PROTO(struct request *rq, dev_t dev, sector_t from), - TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, - MAJOR(__entry->old_dev), MINOR(__entry->old_dev), - (unsigned long long)__entry->old_sector) + TP_ARGS(rq, dev, from), + + TP_FIELDS( + ctf_integer(dev_t, dev, disk_devt(rq->q->disk)) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) ) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0) \ + || LTTNG_KERNEL_RANGE(5,10,137, 5,11,0)) +/** + * block_rq_remap - map request for a block operation request + * @rq: block IO operation request + * @dev: device for the operation + * @from: original sector for the operation + * + * The block operation request @rq in @q has been remapped. The block + * operation request @rq holds the current information and @from hold + * the original sector. + */ +LTTNG_TRACEPOINT_EVENT(block_rq_remap, + + TP_PROTO(struct request *rq, dev_t dev, sector_t from), + + TP_ARGS(rq, dev, from), -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) + TP_FIELDS( + ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) +) +#else /** * block_rq_remap - map request for a block operation request * @q: queue holding the operation @@ -685,46 +1645,29 @@ TRACE_EVENT(block_remap, * operation request @rq holds the current information and @from hold * the original sector. */ -TRACE_EVENT(block_rq_remap, +LTTNG_TRACEPOINT_EVENT(block_rq_remap, TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev, sector_t from), TP_ARGS(q, rq, dev, from), - TP_STRUCT__entry( - __field( dev_t, dev ) - __field( sector_t, sector ) - __field( unsigned int, nr_sector ) - __field( dev_t, old_dev ) - __field( sector_t, old_sector ) - __field( unsigned int, rwbs ) - ), - - TP_fast_assign( - tp_assign(dev, disk_devt(rq->rq_disk)) - tp_assign(sector, blk_rq_pos(rq)) - tp_assign(nr_sector, blk_rq_sectors(rq)) - tp_assign(old_dev, dev) - tp_assign(old_sector, from) - blk_fill_rwbs(rwbs, rq->cmd_flags, blk_rq_bytes(rq)) - ), - - TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", - MAJOR(__entry->dev), MINOR(__entry->dev), - __print_rwbs_flags(__entry->rwbs), - (unsigned long long)__entry->sector, - __entry->nr_sector, - MAJOR(__entry->old_dev), MINOR(__entry->old_dev), - (unsigned long long)__entry->old_sector) + TP_FIELDS( + ctf_integer(dev_t, dev, disk_devt(rq->rq_disk)) + ctf_integer(sector_t, sector, blk_rq_pos(rq)) + ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq)) + ctf_integer(dev_t, old_dev, dev) + ctf_integer(sector_t, old_sector, from) + blk_rwbs_ctf_integer(unsigned int, rwbs, + lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq)) + ) ) #endif #undef __print_rwbs_flags #undef blk_fill_rwbs -#endif /* _TRACE_BLOCK_H */ +#endif /* LTTNG_TRACE_BLOCK_H */ /* This part must be outside protection */ -#include "../../../probes/define_trace.h" - +#include