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| author | Hans Holmberg <hans.holmberg@cnexlabs.com> | 2018-10-09 13:11:54 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-10-09 08:25:07 -0600 |
| commit | 1b0dd0bf3dc8e9fb974d61139c182be15e43caf9 (patch) | |
| tree | e50053b339986748faa9ca738f295ea40cfc6494 /drivers/lightnvm/pblk-trace.h | |
| parent | f29372322e415999f429d3e3883b865c87860b46 (diff) | |
| download | talos-obmc-linux-1b0dd0bf3dc8e9fb974d61139c182be15e43caf9.tar.gz talos-obmc-linux-1b0dd0bf3dc8e9fb974d61139c182be15e43caf9.zip | |
lightnvm: pblk: add trace events for pblk state changes
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>
Diffstat (limited to 'drivers/lightnvm/pblk-trace.h')
| -rw-r--r-- | drivers/lightnvm/pblk-trace.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-trace.h b/drivers/lightnvm/pblk-trace.h index f9aa9e25e428..c171d0450c07 100644 --- a/drivers/lightnvm/pblk-trace.h +++ b/drivers/lightnvm/pblk-trace.h @@ -25,6 +25,13 @@ struct ppa_addr; { PBLK_LINESTATE_CORRUPT, "CORRUPT" }) +#define show_pblk_state(state) __print_symbolic(state, \ + { PBLK_STATE_RUNNING, "RUNNING", }, \ + { PBLK_STATE_STOPPING, "STOPPING", }, \ + { PBLK_STATE_RECOVERING, "RECOVERING", }, \ + { PBLK_STATE_STOPPED, "STOPPED" }) + + TRACE_EVENT(pblk_chunk_state, TP_PROTO(const char *name, struct ppa_addr *ppa, int state), @@ -75,6 +82,27 @@ TRACE_EVENT(pblk_line_state, ); +TRACE_EVENT(pblk_state, + + TP_PROTO(const char *name, int state), + + TP_ARGS(name, state), + + TP_STRUCT__entry( + __string(name, name) + __field(int, state); + ), + + TP_fast_assign( + __assign_str(name, name); + __entry->state = state; + ), + + TP_printk("dev=%s state=%s", __get_str(name), + show_pblk_state((int)__entry->state)) + +); + #endif /* !defined(_TRACE_PBLK_H) || defined(TRACE_HEADER_MULTI_READ) */ /* This part must be outside protection */ |
