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-rw-r--r--include/trace/events/dlm.h336
1 files changed, 336 insertions, 0 deletions
diff --git a/include/trace/events/dlm.h b/include/trace/events/dlm.h
new file mode 100644
index 000000000000..da0eaae98fa3
--- /dev/null
+++ b/include/trace/events/dlm.h
@@ -0,0 +1,336 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dlm
+
+#if !defined(_TRACE_DLM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_DLM_H
+
+#include <linux/dlm.h>
+#include <linux/dlmconstants.h>
+#include <linux/tracepoint.h>
+
+#include "../../../fs/dlm/dlm_internal.h"
+
+#define show_lock_flags(flags) __print_flags(flags, "|", \
+ { DLM_LKF_NOQUEUE, "NOQUEUE" }, \
+ { DLM_LKF_CANCEL, "CANCEL" }, \
+ { DLM_LKF_CONVERT, "CONVERT" }, \
+ { DLM_LKF_VALBLK, "VALBLK" }, \
+ { DLM_LKF_QUECVT, "QUECVT" }, \
+ { DLM_LKF_IVVALBLK, "IVVALBLK" }, \
+ { DLM_LKF_CONVDEADLK, "CONVDEADLK" }, \
+ { DLM_LKF_PERSISTENT, "PERSISTENT" }, \
+ { DLM_LKF_NODLCKWT, "NODLCKWT" }, \
+ { DLM_LKF_NODLCKBLK, "NODLCKBLK" }, \
+ { DLM_LKF_EXPEDITE, "EXPEDITE" }, \
+ { DLM_LKF_NOQUEUEBAST, "NOQUEUEBAST" }, \
+ { DLM_LKF_HEADQUE, "HEADQUE" }, \
+ { DLM_LKF_NOORDER, "NOORDER" }, \
+ { DLM_LKF_ORPHAN, "ORPHAN" }, \
+ { DLM_LKF_ALTPR, "ALTPR" }, \
+ { DLM_LKF_ALTCW, "ALTCW" }, \
+ { DLM_LKF_FORCEUNLOCK, "FORCEUNLOCK" }, \
+ { DLM_LKF_TIMEOUT, "TIMEOUT" })
+
+#define show_lock_mode(mode) __print_symbolic(mode, \
+ { DLM_LOCK_IV, "IV"}, \
+ { DLM_LOCK_NL, "NL"}, \
+ { DLM_LOCK_CR, "CR"}, \
+ { DLM_LOCK_CW, "CW"}, \
+ { DLM_LOCK_PR, "PR"}, \
+ { DLM_LOCK_PW, "PW"}, \
+ { DLM_LOCK_EX, "EX"})
+
+#define show_dlm_sb_flags(flags) __print_flags(flags, "|", \
+ { DLM_SBF_DEMOTED, "DEMOTED" }, \
+ { DLM_SBF_VALNOTVALID, "VALNOTVALID" }, \
+ { DLM_SBF_ALTMODE, "ALTMODE" })
+
+/* note: we begin tracing dlm_lock_start() only if ls and lkb are found */
+TRACE_EVENT(dlm_lock_start,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb, const void *name,
+ unsigned int namelen, int mode, __u32 flags),
+
+ TP_ARGS(ls, lkb, name, namelen, mode, flags),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(int, mode)
+ __field(__u32, flags)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : namelen)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->mode = mode;
+ __entry->flags = flags;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ else if (name)
+ memcpy(__get_dynamic_array(res_name), name,
+ __get_dynamic_array_len(res_name));
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x mode=%s flags=%s res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_lock_mode(__entry->mode),
+ show_lock_flags(__entry->flags),
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+TRACE_EVENT(dlm_lock_end,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb, const void *name,
+ unsigned int namelen, int mode, __u32 flags, int error,
+ bool kernel_lock),
+
+ TP_ARGS(ls, lkb, name, namelen, mode, flags, error, kernel_lock),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(int, mode)
+ __field(__u32, flags)
+ __field(int, error)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : namelen)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->mode = mode;
+ __entry->flags = flags;
+ __entry->error = error;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ else if (name)
+ memcpy(__get_dynamic_array(res_name), name,
+ __get_dynamic_array_len(res_name));
+
+ if (kernel_lock) {
+ /* return value will be zeroed in those cases by dlm_lock()
+ * we do it here again to not introduce more overhead if
+ * trace isn't running and error reflects the return value.
+ */
+ if (error == -EAGAIN || error == -EDEADLK)
+ __entry->error = 0;
+ }
+
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x mode=%s flags=%s error=%d res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_lock_mode(__entry->mode),
+ show_lock_flags(__entry->flags), __entry->error,
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+TRACE_EVENT(dlm_bast,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb, int mode),
+
+ TP_ARGS(ls, lkb, mode),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(int, mode)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : 0)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->mode = mode;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x mode=%s res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_lock_mode(__entry->mode),
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+TRACE_EVENT(dlm_ast,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb),
+
+ TP_ARGS(ls, lkb),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(u8, sb_flags)
+ __field(int, sb_status)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : 0)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->sb_flags = lkb->lkb_lksb->sb_flags;
+ __entry->sb_status = lkb->lkb_lksb->sb_status;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x sb_flags=%s sb_status=%d res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_dlm_sb_flags(__entry->sb_flags), __entry->sb_status,
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+/* note: we begin tracing dlm_unlock_start() only if ls and lkb are found */
+TRACE_EVENT(dlm_unlock_start,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb, __u32 flags),
+
+ TP_ARGS(ls, lkb, flags),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(__u32, flags)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : 0)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->flags = flags;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x flags=%s res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_lock_flags(__entry->flags),
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+TRACE_EVENT(dlm_unlock_end,
+
+ TP_PROTO(struct dlm_ls *ls, struct dlm_lkb *lkb, __u32 flags,
+ int error),
+
+ TP_ARGS(ls, lkb, flags, error),
+
+ TP_STRUCT__entry(
+ __field(__u32, ls_id)
+ __field(__u32, lkb_id)
+ __field(__u32, flags)
+ __field(int, error)
+ __dynamic_array(unsigned char, res_name,
+ lkb->lkb_resource ? lkb->lkb_resource->res_length : 0)
+ ),
+
+ TP_fast_assign(
+ struct dlm_rsb *r;
+
+ __entry->ls_id = ls->ls_global_id;
+ __entry->lkb_id = lkb->lkb_id;
+ __entry->flags = flags;
+ __entry->error = error;
+
+ r = lkb->lkb_resource;
+ if (r)
+ memcpy(__get_dynamic_array(res_name), r->res_name,
+ __get_dynamic_array_len(res_name));
+ ),
+
+ TP_printk("ls_id=%u lkb_id=%x flags=%s error=%d res_name=%s",
+ __entry->ls_id, __entry->lkb_id,
+ show_lock_flags(__entry->flags), __entry->error,
+ __print_hex_str(__get_dynamic_array(res_name),
+ __get_dynamic_array_len(res_name)))
+
+);
+
+TRACE_EVENT(dlm_send,
+
+ TP_PROTO(int nodeid, int ret),
+
+ TP_ARGS(nodeid, ret),
+
+ TP_STRUCT__entry(
+ __field(int, nodeid)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->nodeid = nodeid;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("nodeid=%d ret=%d", __entry->nodeid, __entry->ret)
+
+);
+
+TRACE_EVENT(dlm_recv,
+
+ TP_PROTO(int nodeid, int ret),
+
+ TP_ARGS(nodeid, ret),
+
+ TP_STRUCT__entry(
+ __field(int, nodeid)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->nodeid = nodeid;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("nodeid=%d ret=%d", __entry->nodeid, __entry->ret)
+
+);
+
+#endif /* if !defined(_TRACE_DLM_H) || defined(TRACE_HEADER_MULTI_READ) */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.