1b0dd0bf3d
Add trace events for tracking pblk state changes. Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
115 lines
2.6 KiB
C
115 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM pblk
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#if !defined(_TRACE_PBLK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PBLK_H
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#include <linux/tracepoint.h>
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struct ppa_addr;
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#define show_chunk_flags(state) __print_flags(state, "", \
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{ NVM_CHK_ST_FREE, "FREE", }, \
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{ NVM_CHK_ST_CLOSED, "CLOSED", }, \
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{ NVM_CHK_ST_OPEN, "OPEN", }, \
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{ NVM_CHK_ST_OFFLINE, "OFFLINE", })
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#define show_line_state(state) __print_symbolic(state, \
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{ PBLK_LINESTATE_NEW, "NEW", }, \
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{ PBLK_LINESTATE_FREE, "FREE", }, \
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{ PBLK_LINESTATE_OPEN, "OPEN", }, \
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{ PBLK_LINESTATE_CLOSED, "CLOSED", }, \
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{ PBLK_LINESTATE_GC, "GC", }, \
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{ PBLK_LINESTATE_BAD, "BAD", }, \
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{ PBLK_LINESTATE_CORRUPT, "CORRUPT" })
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#define show_pblk_state(state) __print_symbolic(state, \
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{ PBLK_STATE_RUNNING, "RUNNING", }, \
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{ PBLK_STATE_STOPPING, "STOPPING", }, \
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{ PBLK_STATE_RECOVERING, "RECOVERING", }, \
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{ PBLK_STATE_STOPPED, "STOPPED" })
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TRACE_EVENT(pblk_chunk_state,
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TP_PROTO(const char *name, struct ppa_addr *ppa, int state),
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TP_ARGS(name, ppa, state),
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TP_STRUCT__entry(
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__string(name, name)
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__field(u64, ppa)
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__field(int, state);
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->ppa = ppa->ppa;
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__entry->state = state;
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),
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TP_printk("dev=%s grp=%llu pu=%llu chk=%llu state=%s", __get_str(name),
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(u64)(((struct ppa_addr *)(&__entry->ppa))->m.grp),
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(u64)(((struct ppa_addr *)(&__entry->ppa))->m.pu),
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(u64)(((struct ppa_addr *)(&__entry->ppa))->m.chk),
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show_chunk_flags((int)__entry->state))
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);
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TRACE_EVENT(pblk_line_state,
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TP_PROTO(const char *name, int line, int state),
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TP_ARGS(name, line, state),
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TP_STRUCT__entry(
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__string(name, name)
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__field(int, line)
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__field(int, state);
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->line = line;
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__entry->state = state;
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),
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TP_printk("dev=%s line=%d state=%s", __get_str(name),
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(int)__entry->line,
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show_line_state((int)__entry->state))
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);
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TRACE_EVENT(pblk_state,
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TP_PROTO(const char *name, int state),
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TP_ARGS(name, state),
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TP_STRUCT__entry(
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__string(name, name)
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__field(int, state);
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->state = state;
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),
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TP_printk("dev=%s state=%s", __get_str(name),
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show_pblk_state((int)__entry->state))
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);
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#endif /* !defined(_TRACE_PBLK_H) || defined(TRACE_HEADER_MULTI_READ) */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH ../../../drivers/lightnvm
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE pblk-trace
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#include <trace/define_trace.h>
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