From: Jeffle Xu <jefflexu@linux.alibaba.com> To: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org Cc: gregkh@linuxfoundation.org, willy@infradead.org, linux-kernel@vger.kernel.org, tianzichen@kuaishou.com, joseph.qi@linux.alibaba.com, zhangjiachen.jaycee@bytedance.com, linux-fsdevel@vger.kernel.org, luodaowen.backend@bytedance.com, gerry@linux.alibaba.com, torvalds@linux-foundation.org, yinxin.x@bytedance.com Subject: [PATCH v11 07/22] cachefiles: add tracepoints for on-demand read mode Date: Mon, 9 May 2022 15:40:13 +0800 [thread overview] Message-ID: <20220509074028.74954-8-jefflexu@linux.alibaba.com> (raw) In-Reply-To: <20220509074028.74954-1-jefflexu@linux.alibaba.com> Add tracepoints for on-demand read mode. Currently following tracepoints are added: OPEN request / COPEN reply CLOSE request READ request / CREAD reply write through anonymous fd release of anonymous fd Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> Acked-by: David Howells <dhowells@redhat.com> --- fs/cachefiles/ondemand.c | 7 ++ include/trace/events/cachefiles.h | 174 ++++++++++++++++++++++++++++++ 2 files changed, 181 insertions(+) diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index 3470d4e8f0cb..a41ae6efc545 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -30,6 +30,7 @@ static int cachefiles_ondemand_fd_release(struct inode *inode, xa_unlock(&cache->reqs); xa_erase(&cache->ondemand_ids, object_id); + trace_cachefiles_ondemand_fd_release(object, object_id); cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd); cachefiles_put_unbind_pincount(cache); return 0; @@ -55,6 +56,7 @@ static ssize_t cachefiles_ondemand_fd_write_iter(struct kiocb *kiocb, if (ret < 0) return ret; + trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len); ret = __cachefiles_write(object, file, pos, iter, NULL, NULL); if (!ret) ret = len; @@ -93,6 +95,7 @@ static long cachefiles_ondemand_fd_ioctl(struct file *filp, unsigned int ioctl, if (!req) return -EINVAL; + trace_cachefiles_ondemand_cread(object, id); complete(&req->done); return 0; } @@ -166,6 +169,7 @@ int cachefiles_ondemand_copen(struct cachefiles_cache *cache, char *args) clear_bit(FSCACHE_COOKIE_NO_DATA_TO_READ, &cookie->flags); else set_bit(FSCACHE_COOKIE_NO_DATA_TO_READ, &cookie->flags); + trace_cachefiles_ondemand_copen(req->object, id, size); out: complete(&req->done); @@ -213,6 +217,7 @@ static int cachefiles_ondemand_get_fd(struct cachefiles_req *req) object->ondemand_id = object_id; cachefiles_get_unbind_pincount(cache); + trace_cachefiles_ondemand_open(object, &req->msg, load); return 0; err_put_fd: @@ -426,6 +431,7 @@ static int cachefiles_ondemand_init_close_req(struct cachefiles_req *req, return -ENOENT; req->msg.object_id = object_id; + trace_cachefiles_ondemand_close(object, &req->msg); return 0; } @@ -452,6 +458,7 @@ static int cachefiles_ondemand_init_read_req(struct cachefiles_req *req, req->msg.object_id = object_id; load->off = read_ctx->off; load->len = read_ctx->len; + trace_cachefiles_ondemand_read(object, &req->msg, load); return 0; } diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h index 93df9391bd7f..d8d4d73fe7b6 100644 --- a/include/trace/events/cachefiles.h +++ b/include/trace/events/cachefiles.h @@ -673,6 +673,180 @@ TRACE_EVENT(cachefiles_io_error, __entry->error) ); +TRACE_EVENT(cachefiles_ondemand_open, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg, + struct cachefiles_open *load), + + TP_ARGS(obj, msg, load), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + __field(unsigned int, fd ) + __field(unsigned int, flags ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + __entry->fd = load->fd; + __entry->flags = load->flags; + ), + + TP_printk("o=%08x mid=%x oid=%x fd=%d f=%x", + __entry->obj, + __entry->msg_id, + __entry->object_id, + __entry->fd, + __entry->flags) + ); + +TRACE_EVENT(cachefiles_ondemand_copen, + TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id, + long len), + + TP_ARGS(obj, msg_id, len), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(long, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg_id; + __entry->len = len; + ), + + TP_printk("o=%08x mid=%x l=%lx", + __entry->obj, + __entry->msg_id, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_close, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg), + + TP_ARGS(obj, msg), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + ), + + TP_printk("o=%08x mid=%x oid=%x", + __entry->obj, + __entry->msg_id, + __entry->object_id) + ); + +TRACE_EVENT(cachefiles_ondemand_read, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg, + struct cachefiles_read *load), + + TP_ARGS(obj, msg, load), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + __field(loff_t, start ) + __field(size_t, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + __entry->start = load->off; + __entry->len = load->len; + ), + + TP_printk("o=%08x mid=%x oid=%x s=%llx l=%zx", + __entry->obj, + __entry->msg_id, + __entry->object_id, + __entry->start, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_cread, + TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id), + + TP_ARGS(obj, msg_id), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg_id; + ), + + TP_printk("o=%08x mid=%x", + __entry->obj, + __entry->msg_id) + ); + +TRACE_EVENT(cachefiles_ondemand_fd_write, + TP_PROTO(struct cachefiles_object *obj, struct inode *backer, + loff_t start, size_t len), + + TP_ARGS(obj, backer, start, len), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, backer ) + __field(loff_t, start ) + __field(size_t, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->backer = backer->i_ino; + __entry->start = start; + __entry->len = len; + ), + + TP_printk("o=%08x iB=%x s=%llx l=%zx", + __entry->obj, + __entry->backer, + __entry->start, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_fd_release, + TP_PROTO(struct cachefiles_object *obj, int object_id), + + TP_ARGS(obj, object_id), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, object_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->object_id = object_id; + ), + + TP_printk("o=%08x oid=%x", + __entry->obj, + __entry->object_id) + ); + #endif /* _TRACE_CACHEFILES_H */ /* This part must be outside protection */ -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Jeffle Xu <jefflexu@linux.alibaba.com> To: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org Cc: torvalds@linux-foundation.org, gregkh@linuxfoundation.org, willy@infradead.org, linux-fsdevel@vger.kernel.org, joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com, tao.peng@linux.alibaba.com, gerry@linux.alibaba.com, eguan@linux.alibaba.com, linux-kernel@vger.kernel.org, luodaowen.backend@bytedance.com, tianzichen@kuaishou.com, yinxin.x@bytedance.com, zhangjiachen.jaycee@bytedance.com, zhujia.zj@bytedance.com Subject: [PATCH v11 07/22] cachefiles: add tracepoints for on-demand read mode Date: Mon, 9 May 2022 15:40:13 +0800 [thread overview] Message-ID: <20220509074028.74954-8-jefflexu@linux.alibaba.com> (raw) In-Reply-To: <20220509074028.74954-1-jefflexu@linux.alibaba.com> Add tracepoints for on-demand read mode. Currently following tracepoints are added: OPEN request / COPEN reply CLOSE request READ request / CREAD reply write through anonymous fd release of anonymous fd Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> Acked-by: David Howells <dhowells@redhat.com> --- fs/cachefiles/ondemand.c | 7 ++ include/trace/events/cachefiles.h | 174 ++++++++++++++++++++++++++++++ 2 files changed, 181 insertions(+) diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index 3470d4e8f0cb..a41ae6efc545 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -30,6 +30,7 @@ static int cachefiles_ondemand_fd_release(struct inode *inode, xa_unlock(&cache->reqs); xa_erase(&cache->ondemand_ids, object_id); + trace_cachefiles_ondemand_fd_release(object, object_id); cachefiles_put_object(object, cachefiles_obj_put_ondemand_fd); cachefiles_put_unbind_pincount(cache); return 0; @@ -55,6 +56,7 @@ static ssize_t cachefiles_ondemand_fd_write_iter(struct kiocb *kiocb, if (ret < 0) return ret; + trace_cachefiles_ondemand_fd_write(object, file_inode(file), pos, len); ret = __cachefiles_write(object, file, pos, iter, NULL, NULL); if (!ret) ret = len; @@ -93,6 +95,7 @@ static long cachefiles_ondemand_fd_ioctl(struct file *filp, unsigned int ioctl, if (!req) return -EINVAL; + trace_cachefiles_ondemand_cread(object, id); complete(&req->done); return 0; } @@ -166,6 +169,7 @@ int cachefiles_ondemand_copen(struct cachefiles_cache *cache, char *args) clear_bit(FSCACHE_COOKIE_NO_DATA_TO_READ, &cookie->flags); else set_bit(FSCACHE_COOKIE_NO_DATA_TO_READ, &cookie->flags); + trace_cachefiles_ondemand_copen(req->object, id, size); out: complete(&req->done); @@ -213,6 +217,7 @@ static int cachefiles_ondemand_get_fd(struct cachefiles_req *req) object->ondemand_id = object_id; cachefiles_get_unbind_pincount(cache); + trace_cachefiles_ondemand_open(object, &req->msg, load); return 0; err_put_fd: @@ -426,6 +431,7 @@ static int cachefiles_ondemand_init_close_req(struct cachefiles_req *req, return -ENOENT; req->msg.object_id = object_id; + trace_cachefiles_ondemand_close(object, &req->msg); return 0; } @@ -452,6 +458,7 @@ static int cachefiles_ondemand_init_read_req(struct cachefiles_req *req, req->msg.object_id = object_id; load->off = read_ctx->off; load->len = read_ctx->len; + trace_cachefiles_ondemand_read(object, &req->msg, load); return 0; } diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h index 93df9391bd7f..d8d4d73fe7b6 100644 --- a/include/trace/events/cachefiles.h +++ b/include/trace/events/cachefiles.h @@ -673,6 +673,180 @@ TRACE_EVENT(cachefiles_io_error, __entry->error) ); +TRACE_EVENT(cachefiles_ondemand_open, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg, + struct cachefiles_open *load), + + TP_ARGS(obj, msg, load), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + __field(unsigned int, fd ) + __field(unsigned int, flags ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + __entry->fd = load->fd; + __entry->flags = load->flags; + ), + + TP_printk("o=%08x mid=%x oid=%x fd=%d f=%x", + __entry->obj, + __entry->msg_id, + __entry->object_id, + __entry->fd, + __entry->flags) + ); + +TRACE_EVENT(cachefiles_ondemand_copen, + TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id, + long len), + + TP_ARGS(obj, msg_id, len), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(long, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg_id; + __entry->len = len; + ), + + TP_printk("o=%08x mid=%x l=%lx", + __entry->obj, + __entry->msg_id, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_close, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg), + + TP_ARGS(obj, msg), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + ), + + TP_printk("o=%08x mid=%x oid=%x", + __entry->obj, + __entry->msg_id, + __entry->object_id) + ); + +TRACE_EVENT(cachefiles_ondemand_read, + TP_PROTO(struct cachefiles_object *obj, struct cachefiles_msg *msg, + struct cachefiles_read *load), + + TP_ARGS(obj, msg, load), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + __field(unsigned int, object_id ) + __field(loff_t, start ) + __field(size_t, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg->msg_id; + __entry->object_id = msg->object_id; + __entry->start = load->off; + __entry->len = load->len; + ), + + TP_printk("o=%08x mid=%x oid=%x s=%llx l=%zx", + __entry->obj, + __entry->msg_id, + __entry->object_id, + __entry->start, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_cread, + TP_PROTO(struct cachefiles_object *obj, unsigned int msg_id), + + TP_ARGS(obj, msg_id), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, msg_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->msg_id = msg_id; + ), + + TP_printk("o=%08x mid=%x", + __entry->obj, + __entry->msg_id) + ); + +TRACE_EVENT(cachefiles_ondemand_fd_write, + TP_PROTO(struct cachefiles_object *obj, struct inode *backer, + loff_t start, size_t len), + + TP_ARGS(obj, backer, start, len), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, backer ) + __field(loff_t, start ) + __field(size_t, len ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->backer = backer->i_ino; + __entry->start = start; + __entry->len = len; + ), + + TP_printk("o=%08x iB=%x s=%llx l=%zx", + __entry->obj, + __entry->backer, + __entry->start, + __entry->len) + ); + +TRACE_EVENT(cachefiles_ondemand_fd_release, + TP_PROTO(struct cachefiles_object *obj, int object_id), + + TP_ARGS(obj, object_id), + + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(unsigned int, object_id ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->object_id = object_id; + ), + + TP_printk("o=%08x oid=%x", + __entry->obj, + __entry->object_id) + ); + #endif /* _TRACE_CACHEFILES_H */ /* This part must be outside protection */ -- 2.27.0
next prev parent reply other threads:[~2022-05-09 7:40 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-09 7:40 [PATCH v11 00/22] fscache, erofs: fscache-based on-demand read semantics Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 00/22] fscache,erofs: " Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 01/22] cachefiles: extract write routine Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 02/22] cachefiles: notify the user daemon when looking up cookie Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 03/22] cachefiles: unbind cachefiles gracefully in on-demand mode Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 04/22] cachefiles: notify the user daemon when withdrawing cookie Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 05/22] cachefiles: implement on-demand read Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 06/22] cachefiles: enable on-demand read mode Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu [this message] 2022-05-09 7:40 ` [PATCH v11 07/22] cachefiles: add tracepoints for " Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 08/22] cachefiles: document " Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 09/22] erofs: make erofs_map_blocks() generally available Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 10/22] erofs: add fscache mode check helper Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 11/22] erofs: register fscache volume Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 12/22] erofs: add fscache context helper functions Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 13/22] erofs: add anonymous inode caching metadata for data blobs Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 14/22] erofs: add erofs_fscache_read_folios() helper Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 15/22] erofs: register fscache context for primary data blob Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 16/22] erofs: register fscache context for extra data blobs Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 17/22] erofs: implement fscache-based metadata read Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 18/22] erofs: implement fscache-based data read for non-inline layout Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 19/22] erofs: implement fscache-based data read for inline layout Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 20/22] erofs: implement fscache-based data readahead Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 21/22] erofs: add 'fsid' mount option Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-09 7:40 ` [PATCH v11 22/22] erofs: change to use asynchronous io for fscache readpage/readahead Jeffle Xu 2022-05-09 7:40 ` Jeffle Xu 2022-05-10 6:48 ` [PATCH v11 00/22] fscache, erofs: fscache-based on-demand read semantics 严松 2022-05-10 6:48 ` 严松 via Linux-erofs 2022-05-10 12:50 ` [PATCH v11 02/22] cachefiles: notify the user daemon when looking up cookie David Howells 2022-05-10 12:50 ` David Howells 2022-05-10 12:53 ` [PATCH v11 03/22] cachefiles: unbind cachefiles gracefully in on-demand mode David Howells 2022-05-10 12:53 ` David Howells 2022-05-10 12:56 ` [PATCH v11 06/22] cachefiles: enable on-demand read mode David Howells 2022-05-10 12:56 ` David Howells 2022-05-10 13:29 ` Gao Xiang 2022-05-10 13:29 ` Gao Xiang 2022-05-10 13:01 ` [PATCH v11 08/22] cachefiles: document " David Howells 2022-05-10 13:01 ` David Howells 2022-05-10 14:14 ` [PATCH v11 00/22] fscache,erofs: fscache-based on-demand read semantics Chao Yu 2022-05-10 14:14 ` Chao Yu
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