X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fblock.h;h=ad0a3639df6ae3c378e1d8345318430f2890deaf;hb=cc3b2f068dfea4b893aedddaab19afb3851c17f2;hp=a75bb637de4b76ac8e0fb36477d4a7a372f7009e;hpb=54c4c2e32771791ed5e84e2f8c100339bde7b77e;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h index a75bb637..ad0a3639 100644 --- a/instrumentation/events/lttng-module/block.h +++ b/instrumentation/events/lttng-module/block.h @@ -221,6 +221,61 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue, TP_ARGS(q, rq) ) +#if (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)) + +/** + * 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. + */ +TRACE_EVENT(block_rq_complete, + + TP_PROTO(struct request_queue *q, struct request *rq, + unsigned int nr_bytes), + + TP_ARGS(q, rq, nr_bytes), + + 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_fast_assign( + tp_assign(dev, rq->rq_disk ? disk_devt(rq->rq_disk) : 0) + tp_assign(sector, blk_rq_pos(rq)) + tp_assign(nr_sector, nr_bytes >> 9) + tp_assign(errors, rq->errors) + blk_fill_rwbs(rwbs, rq->cmd_flags, nr_bytes) + tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? + rq->cmd : NULL) + ), + + TP_printk("%d,%d %s (%s) %llu + %u [%d]", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->rwbs, __get_str(cmd), + (unsigned long long)__entry->sector, + __entry->nr_sector, __entry->errors) +) + +#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 @@ -239,6 +294,8 @@ DEFINE_EVENT(block_rq_with_error, block_rq_complete, TP_ARGS(q, rq) ) +#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ + DECLARE_EVENT_CLASS(block_rq, TP_PROTO(struct request_queue *q, struct request *rq), @@ -251,6 +308,7 @@ DECLARE_EVENT_CLASS(block_rq, __field( unsigned int, nr_sector ) __field( unsigned int, bytes ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) __dynamic_array_hex( unsigned char, cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? @@ -269,16 +327,17 @@ DECLARE_EVENT_CLASS(block_rq, tp_memcpy_dyn(cmd, (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? rq->cmd : NULL) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) ), - TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", + TP_printk("%d,%d %s %u (%s) %llu + %u [%s] %d", 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) + __entry->nr_sector, __entry->comm, __entry->tid) ) /** @@ -335,6 +394,7 @@ TRACE_EVENT(block_bio_bounce, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -346,6 +406,7 @@ TRACE_EVENT(block_bio_bounce, tp_assign(nr_sector, bio_sectors(bio)) blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ tp_assign(dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0) @@ -353,14 +414,15 @@ TRACE_EVENT(block_bio_bounce, 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_assign(tid, current->pid) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __print_rwbs_flags(__entry->rwbs), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->comm, __entry->tid) ) /** @@ -431,6 +493,7 @@ DECLARE_EVENT_CLASS(block_bio_merge, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -441,20 +504,22 @@ DECLARE_EVENT_CLASS(block_bio_merge, tp_assign(nr_sector, bio_sectors(bio)) blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ 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_assign(tid, current->pid) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __print_rwbs_flags(__entry->rwbs), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->comm, __entry->tid) ) /** @@ -504,8 +569,9 @@ TRACE_EVENT(block_bio_queue, __field( dev_t, dev ) __field( sector_t, sector ) __field( unsigned int, nr_sector ) - __array( char, rwbs, RWBS_LEN ) - __array( char, comm, TASK_COMM_LEN ) + __field( unsigned int, rwbs ) + __field( pid_t, tid ) + __array_text( char, comm, TASK_COMM_LEN ) ), TP_fast_assign( @@ -515,19 +581,21 @@ TRACE_EVENT(block_bio_queue, tp_assign(nr_sector, bio_sectors(bio)) blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ 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_assign(tid, current->pid) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->comm, __entry->tid) ) #else DECLARE_EVENT_CLASS(block_bio, @@ -541,6 +609,7 @@ DECLARE_EVENT_CLASS(block_bio, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -550,13 +619,14 @@ DECLARE_EVENT_CLASS(block_bio, 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_assign(tid, current->pid) ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __print_rwbs_flags(__entry->rwbs), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->comm, __entry->tid) ) /** @@ -615,6 +685,7 @@ DECLARE_EVENT_CLASS(block_get_rq, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -626,6 +697,7 @@ DECLARE_EVENT_CLASS(block_get_rq, blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0, bio ? bio_sectors(bio) : 0) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ tp_assign(dev, bio ? bio->bi_bdev->bd_dev : 0) tp_assign(sector, bio ? bio->bi_sector : 0) @@ -633,14 +705,15 @@ DECLARE_EVENT_CLASS(block_get_rq, blk_fill_rwbs(rwbs, bio ? bio->bi_rw : 0, bio ? bio->bi_size >> 9 : 0) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __print_rwbs_flags(__entry->rwbs), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->comm, __entry->tid) ) /** @@ -692,14 +765,16 @@ TRACE_EVENT(block_plug, TP_ARGS(q), TP_STRUCT__entry( + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), TP_fast_assign( tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) ), - TP_printk("[%s]", __entry->comm) + TP_printk("[%s] %d", __entry->comm, __entry->tid) ) DECLARE_EVENT_CLASS(block_unplug, @@ -716,6 +791,7 @@ DECLARE_EVENT_CLASS(block_unplug, TP_STRUCT__entry( __field( int, nr_rq ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -726,9 +802,11 @@ DECLARE_EVENT_CLASS(block_unplug, tp_assign(nr_rq, q->rq.count[READ] + q->rq.count[WRITE]) #endif tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) ), - TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) + TP_printk("[%s] %d %d", __entry->comm, , __entry->tid, + __entry->nr_rq) ) #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) @@ -796,6 +874,7 @@ TRACE_EVENT(block_split, __field( sector_t, sector ) __field( sector_t, new_sector ) __field( unsigned int, rwbs ) + __field( pid_t, tid ) __array_text( char, comm, TASK_COMM_LEN ) ), @@ -806,21 +885,23 @@ TRACE_EVENT(block_split, tp_assign(new_sector, new_sector) blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_iter.bi_size) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ 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_iter.bi_size) + blk_fill_rwbs(rwbs, bio->bi_rw, bio->bi_size) tp_memcpy(comm, current->comm, TASK_COMM_LEN) + tp_assign(tid, current->pid) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */ ), - TP_printk("%d,%d %s %llu / %llu [%s]", + TP_printk("%d,%d %s %llu / %llu [%s] %d", MAJOR(__entry->dev), MINOR(__entry->dev), __print_rwbs_flags(__entry->rwbs), (unsigned long long)__entry->sector, (unsigned long long)__entry->new_sector, - __entry->comm) + __entry->comm, __entry->tid) ) /**