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| author |   Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2018-09-17 10:47:06 -0700 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2018-10-01 14:16:12 -0700 |
| commit | 09bd1ff4b15143bc0e6dd2adf39f59f6ab6e2621 (patch) | |
| tree | 852011bc3aa900cd3211c7b9440dc5b37311ebd4 /drivers/nvme/host/trace.h | |
| parent | nvme_fc: add 'nvme_discovery' sysfs attribute to fc transport device (diff) | |
| download | linux-dev-09bd1ff4b15143bc0e6dd2adf39f59f6ab6e2621.tar.xz linux-dev-09bd1ff4b15143bc0e6dd2adf39f59f6ab6e2621.zip | |
nvme-core: add async event trace helper
This patch adds a new event for nvme async event notification.
We print the async event in the decoded format when we recognize
the event otherwise we just dump the result.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/trace.h')
| -rw-r--r-- | drivers/nvme/host/trace.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h index a490790d6691..196d5bd56718 100644 --- a/drivers/nvme/host/trace.h +++ b/drivers/nvme/host/trace.h @@ -156,6 +156,34 @@ TRACE_EVENT(nvme_complete_rq, ); +#define aer_name(aer) { aer, #aer } + +TRACE_EVENT(nvme_async_event, + TP_PROTO(struct nvme_ctrl *ctrl, u32 result), + TP_ARGS(ctrl, result), + TP_STRUCT__entry( + __field(int, ctrl_id) + __field(u32, result) + ), + TP_fast_assign( + __entry->ctrl_id = ctrl->instance; + __entry->result = result; + ), + TP_printk("nvme%d: NVME_AEN=%#08x [%s]", + __entry->ctrl_id, __entry->result, + __print_symbolic(__entry->result, + aer_name(NVME_AER_NOTICE_NS_CHANGED), + aer_name(NVME_AER_NOTICE_ANA), + aer_name(NVME_AER_NOTICE_FW_ACT_STARTING), + aer_name(NVME_AER_ERROR), + aer_name(NVME_AER_SMART), + aer_name(NVME_AER_CSS), + aer_name(NVME_AER_VS)) + ) +); + +#undef aer_name + #endif /* _TRACE_NVME_H */ #undef TRACE_INCLUDE_PATH |