diff options
Diffstat (limited to 'include/trace/events/ceph.h')
| -rw-r--r-- | include/trace/events/ceph.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/include/trace/events/ceph.h b/include/trace/events/ceph.h new file mode 100644 index 000000000000..08cb0659fbfc --- /dev/null +++ b/include/trace/events/ceph.h @@ -0,0 +1,234 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Ceph filesystem support module tracepoints + * + * Copyright (C) 2025 IONOS SE. All Rights Reserved. + * Written by Max Kellermann (max.kellermann@ionos.com) + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM ceph + +#if !defined(_TRACE_CEPH_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_CEPH_H + +#include <linux/tracepoint.h> + +#define ceph_mdsc_suspend_reasons \ + EM(ceph_mdsc_suspend_reason_no_mdsmap, "no-mdsmap") \ + EM(ceph_mdsc_suspend_reason_no_active_mds, "no-active-mds") \ + EM(ceph_mdsc_suspend_reason_rejected, "rejected") \ + E_(ceph_mdsc_suspend_reason_session, "session") + +#ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY +#define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY + +#undef EM +#undef E_ +#define EM(a, b) a, +#define E_(a, b) a + +enum ceph_mdsc_suspend_reason { ceph_mdsc_suspend_reasons } __mode(byte); + +#endif + +/* + * Export enum symbols via userspace. + */ +#undef EM +#undef E_ +#define EM(a, b) TRACE_DEFINE_ENUM(a); +#define E_(a, b) TRACE_DEFINE_ENUM(a); + +ceph_mdsc_suspend_reasons; + +/* + * Now redefine the EM() and E_() macros to map the enums to the strings that + * will be printed in the output. + */ +#undef EM +#undef E_ +#define EM(a, b) { a, b }, +#define E_(a, b) { a, b } + +TRACE_EVENT(ceph_mdsc_submit_request, + TP_PROTO(struct ceph_mds_client *mdsc, + struct ceph_mds_request *req), + + TP_ARGS(mdsc, req), + + TP_STRUCT__entry( + __field(u64, tid) + __field(int, op) + __field(u64, ino) + __field(u64, snap) + ), + + TP_fast_assign( + struct inode *inode; + + __entry->tid = req->r_tid; + __entry->op = req->r_op; + + inode = req->r_inode; + if (inode == NULL && req->r_dentry) + inode = d_inode(req->r_dentry); + + if (inode) { + __entry->ino = ceph_ino(inode); + __entry->snap = ceph_snap(inode); + } else { + __entry->ino = __entry->snap = 0; + } + ), + + TP_printk("R=%llu op=%s ino=%llx,%llx", + __entry->tid, + ceph_mds_op_name(__entry->op), + __entry->ino, __entry->snap) +); + +TRACE_EVENT(ceph_mdsc_suspend_request, + TP_PROTO(struct ceph_mds_client *mdsc, + struct ceph_mds_session *session, + struct ceph_mds_request *req, + enum ceph_mdsc_suspend_reason reason), + + TP_ARGS(mdsc, session, req, reason), + + TP_STRUCT__entry( + __field(u64, tid) + __field(int, op) + __field(int, mds) + __field(enum ceph_mdsc_suspend_reason, reason) + ), + + TP_fast_assign( + __entry->tid = req->r_tid; + __entry->op = req->r_op; + __entry->mds = session ? session->s_mds : -1; + __entry->reason = reason; + ), + + TP_printk("R=%llu op=%s reason=%s", + __entry->tid, + ceph_mds_op_name(__entry->op), + __print_symbolic(__entry->reason, ceph_mdsc_suspend_reasons)) +); + +TRACE_EVENT(ceph_mdsc_resume_request, + TP_PROTO(struct ceph_mds_client *mdsc, + struct ceph_mds_request *req), + + TP_ARGS(mdsc, req), + + TP_STRUCT__entry( + __field(u64, tid) + __field(int, op) + ), + + TP_fast_assign( + __entry->tid = req->r_tid; + __entry->op = req->r_op; + ), + + TP_printk("R=%llu op=%s", + __entry->tid, + ceph_mds_op_name(__entry->op)) +); + +TRACE_EVENT(ceph_mdsc_send_request, + TP_PROTO(struct ceph_mds_session *session, + struct ceph_mds_request *req), + + TP_ARGS(session, req), + + TP_STRUCT__entry( + __field(u64, tid) + __field(int, op) + __field(int, mds) + ), + + TP_fast_assign( + __entry->tid = req->r_tid; + __entry->op = req->r_op; + __entry->mds = session->s_mds; + ), + + TP_printk("R=%llu op=%s mds=%d", + __entry->tid, + ceph_mds_op_name(__entry->op), + __entry->mds) +); + +TRACE_EVENT(ceph_mdsc_complete_request, + TP_PROTO(struct ceph_mds_client *mdsc, + struct ceph_mds_request *req), + + TP_ARGS(mdsc, req), + + TP_STRUCT__entry( + __field(u64, tid) + __field(int, op) + __field(int, err) + __field(unsigned long, latency_ns) + ), + + TP_fast_assign( + __entry->tid = req->r_tid; + __entry->op = req->r_op; + __entry->err = req->r_err; + __entry->latency_ns = req->r_end_latency - req->r_start_latency; + ), + + TP_printk("R=%llu op=%s err=%d latency_ns=%lu", + __entry->tid, + ceph_mds_op_name(__entry->op), + __entry->err, + __entry->latency_ns) +); + +TRACE_EVENT(ceph_handle_caps, + TP_PROTO(struct ceph_mds_client *mdsc, + struct ceph_mds_session *session, + int op, + const struct ceph_vino *vino, + struct ceph_inode_info *inode, + u32 seq, u32 mseq, u32 issue_seq), + + TP_ARGS(mdsc, session, op, vino, inode, seq, mseq, issue_seq), + + TP_STRUCT__entry( + __field(int, mds) + __field(int, op) + __field(u64, ino) + __field(u64, snap) + __field(u32, seq) + __field(u32, mseq) + __field(u32, issue_seq) + ), + + TP_fast_assign( + __entry->mds = session->s_mds; + __entry->op = op; + __entry->ino = vino->ino; + __entry->snap = vino->snap; + __entry->seq = seq; + __entry->mseq = mseq; + __entry->issue_seq = issue_seq; + ), + + TP_printk("mds=%d op=%s vino=%llx.%llx seq=%u iseq=%u mseq=%u", + __entry->mds, + ceph_cap_op_name(__entry->op), + __entry->ino, + __entry->snap, + __entry->seq, + __entry->issue_seq, + __entry->mseq) +); + +#undef EM +#undef E_ +#endif /* _TRACE_CEPH_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |