From: Michael Jeanson Date: Thu, 7 Jan 2021 16:17:20 +0000 (-0500) Subject: fix: block: remove the request_queue to argument request based tracepoints (v5.11) X-Git-Tag: v2.11.8~21 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=f65e1a7780ae8c9d91d8366618020c335a9bcd93;p=lttng-modules.git fix: block: remove the request_queue to argument request based tracepoints (v5.11) See upstream commit : commit a54895fa057c67700270777f7661d8d3c7fda88a Author: Christoph Hellwig Date: Thu Dec 3 17:21:39 2020 +0100 block: remove the request_queue to argument request based tracepoints The request_queue can trivially be derived from the request. Signed-off-by: Michael Jeanson Signed-off-by: Mathieu Desnoyers Change-Id: I532c928bdd36ef57d9b0b61c95fe42f5d479cefb --- diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h index 410c9b7d..ce368415 100644 --- a/instrumentation/events/lttng-module/block.h +++ b/instrumentation/events/lttng-module/block.h @@ -285,6 +285,31 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort, ) #endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) /** * block_rq_requeue - place block IO request back on a queue * @q: queue holding operation @@ -294,7 +319,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(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. */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) LTTNG_TRACEPOINT_EVENT(block_rq_requeue, TP_PROTO(struct request_queue *q, struct request *rq), @@ -453,7 +477,26 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete, #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(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 (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0)) LTTNG_TRACEPOINT_EVENT_CLASS(block_rq, TP_PROTO(struct request_queue *q, struct request *rq), @@ -569,6 +612,23 @@ LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq, ) #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(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 @@ -585,7 +645,23 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert, TP_ARGS(q, rq) ) +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(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 @@ -600,6 +676,38 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue, TP_ARGS(q, rq) ) +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0)) +/** + * 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 (LINUX_VERSION_CODE >= 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 /** * block_bio_bounce - used bounce buffer when processing block operation @@ -1168,7 +1276,34 @@ LTTNG_TRACEPOINT_EVENT(block_remap, ) ) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(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), + + 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)) + ) +) +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32)) /** * block_rq_remap - map request for a block operation request * @q: queue holding the operation