mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 16:36:58 +07:00
4c44abf43d
Introduce trace points for tracking chunk states in pblk - this is useful for inspection of the entire state of the drive, and real handy for both fw and pblk debugging. 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>
54 lines
1.3 KiB
C
54 lines
1.3 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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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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#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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