X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fblock.h;fp=instrumentation%2Fevents%2Flttng-module%2Fblock.h;h=0000000000000000000000000000000000000000;hb=7c6d929d62a6e24fb1dbeaee5cd2c8afe77720b7;hp=3b087d66553cdc176160aac0e97901cad3e43782;hpb=cf77d12083b5092eca8c6f9899ec0892756845aa;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h deleted file mode 100644 index 3b087d66..00000000 --- a/instrumentation/events/lttng-module/block.h +++ /dev/null @@ -1,1054 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM block - -#if !defined(LTTNG_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ) -#define LTTNG_TRACE_BLOCK_H - -#include -#include -#include -#include -#include - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) -#include -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ - -#ifndef _TRACE_BLOCK_DEF_ -#define _TRACE_BLOCK_DEF_ - -enum { - RWBS_FLAG_WRITE = (1 << 0), - RWBS_FLAG_DISCARD = (1 << 1), - RWBS_FLAG_READ = (1 << 2), - RWBS_FLAG_RAHEAD = (1 << 3), - 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), - RWBS_FLAG_PREFLUSH = (1 << 10), -}; - -#endif /* _TRACE_BLOCK_DEF_ */ - -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) - ) -) - -#if (LINUX_VERSION_CODE >= 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) - -#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)) - -#elif (LINUX_VERSION_CODE >= 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) - -#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_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)) - -#else - -#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_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_SYNC ? RWBS_FLAG_SYNC : 0) \ - | ((rw) & REQ_META ? RWBS_FLAG_META : 0) \ - | ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0)) - -#endif - -#if (LINUX_VERSION_CODE >= 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 - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) -/* block_rq_with_error event class removed in kernel 4.12 */ -#elif (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (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_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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)) -/** - * block_rq_abort - abort block operation request - * @q: queue containing the block operation request - * @rq: block IO operation request - * - * Called immediately after pending block IO operation request @rq in - * queue @q is aborted. The fields in the operation request @rq - * can be examined to determine which device and sectors the pending - * operation would access. - */ -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 - -/** - * block_rq_requeue - place block IO request back on a queue - * @q: queue holding operation - * @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. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) -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 - * 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. - */ -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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) -) - -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ - -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (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_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() -) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ - -/** - * block_rq_insert - insert block operation request into queue - * @q: target 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_queue *q, struct request *rq), - - TP_ARGS(q, rq) -) - -/** - * block_rq_issue - issue pending block IO request operation to device driver - * @q: queue holding operation - * @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_queue *q, struct request *rq), - - TP_ARGS(q, rq) -) - -/** - * 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), - - TP_FIELDS( -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) - ctf_integer(dev_t, dev, bio_dev(bio)) -#else - ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) -#endif -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - ctf_integer(pid_t, tid, current->pid) - ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) - ) -) - -/** - * 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( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) - 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 /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - 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 /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - ) -) - -#if (LINUX_VERSION_CODE >= 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( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - ctf_integer(pid_t, tid, current->pid) - ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) - ) -) - -/** - * block_bio_backmerge - merging block operation to the end of an existing operation - * @q: queue holding operation - * @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) -) - -/** - * block_bio_frontmerge - merging block operation to the beginning of an existing operation - * @q: queue holding operation - * @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_FIELDS( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - ctf_integer(pid_t, tid, current->pid) - ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) - ) -) -#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ -LTTNG_TRACEPOINT_EVENT_CLASS(block_bio, - - 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) - ) -) - -/** - * block_bio_backmerge - merging block operation to the end of an existing operation - * @q: queue holding operation - * @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, block_bio_backmerge, - - TP_PROTO(struct request_queue *q, struct bio *bio), - - TP_ARGS(q, bio) -) - -/** - * block_bio_frontmerge - merging block operation to the beginning of an existing operation - * @q: queue holding operation - * @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, block_bio_frontmerge, - - TP_PROTO(struct request_queue *q, struct bio *bio), - - TP_ARGS(q, 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_INSTANCE(block_bio, block_bio_queue, - - TP_PROTO(struct request_queue *q, struct bio *bio), - - TP_ARGS(q, bio) -) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ - -LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq, - - TP_PROTO(struct request_queue *q, struct bio *bio, int rw), - - TP_ARGS(q, bio, rw), - - TP_FIELDS( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (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. - */ -LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq, - - TP_PROTO(struct request_queue *q, struct bio *bio, int rw), - - TP_ARGS(q, bio, rw) -) - -/** - * block_sleeprq - waiting to get a free request entry in queue for block IO operation - * @q: queue for 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 - * the process needs to wait for an request struct to become - * available. This tracepoint event is generated each time the - * process goes to sleep waiting for request struct become available. - */ -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) -) - -/** - * block_plug - keep operations requests in request queue - * @q: request queue to plug - * - * Plug the request queue @q. Do not allow block operation requests - * to be sent to the device driver. Instead, accumulate requests in - * the queue to improve throughput performance of the block device. - */ -LTTNG_TRACEPOINT_EVENT(block_plug, - - TP_PROTO(struct request_queue *q), - - TP_ARGS(q), - - TP_FIELDS( - ctf_integer(pid_t, tid, current->pid) - ctf_array_text(char, comm, current->comm, TASK_COMM_LEN) - ) -) - -LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug, - - TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), - - TP_ARGS(q, depth, explicit), - - 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) - ) -) - -/** - * block_unplug - release of operations requests in request queue - * @q: request queue to unplug - * @depth: number of requests just added to the queue - * @explicit: whether this was an explicit unplug, or one from schedule() - * - * Unplug request queue @q because device driver is scheduled to work - * on elements in the request queue. - */ -LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug, - - TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit), - - TP_ARGS(q, depth, explicit) -) - -/** - * block_split - split a single bio struct into two bio structs - * @q: queue containing the bio - * @bio: block operation being split - * @new_sector: The starting sector for the new bio - * - * The bio request @bio in request queue @q 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 limitation - * such as operation crossing device boundaries in a RAID system. - */ -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( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) - 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) -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - 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) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - 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) - ) -) - -/** - * block_bio_remap - map request for a logical device to the raw device - * @q: queue holding the operation - * @bio: revised operation - * @dev: 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 request_queue *q, struct bio *bio, dev_t dev, - sector_t from), - - TP_ARGS(q, bio, dev, from), - - TP_FIELDS( -#if (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= 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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ - ctf_integer(dev_t, old_dev, dev) - ctf_integer(sector_t, old_sector, from) - ) -) - -/** - * block_rq_remap - map request for a block operation request - * @q: queue holding the operation - * @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_queue *q, struct request *rq, dev_t dev, - sector_t from), - - TP_ARGS(q, rq, dev, from), - - 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)) - ) -) - -#undef __print_rwbs_flags -#undef blk_fill_rwbs - -#endif /* LTTNG_TRACE_BLOCK_H */ - -/* This part must be outside protection */ -#include