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| author | Trond Myklebust <trondmy@gmail.com> | 2020-03-02 00:21:44 +0100 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-03-16 17:04:34 +0100 |
| commit | 78a947f50aaabd8d49e634a84f451c0933af853a (patch) | |
| tree | 6b614627f325ac1a0b4b2153d2a076318a12424f /include/trace | |
| parent | SUNRPC/cache: Allow garbage collection of invalid cache entries (diff) | |
| download | linux-78a947f50aaabd8d49e634a84f451c0933af853a.tar.xz linux-78a947f50aaabd8d49e634a84f451c0933af853a.zip | |
sunrpc: Add tracing for cache events
Add basic tracing for debugging the sunrpc cache events.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/sunrpc.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 1577223add43..ffd2215950dc 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -1335,6 +1335,39 @@ DECLARE_EVENT_CLASS(svc_deferred_event, DEFINE_SVC_DEFERRED_EVENT(drop); DEFINE_SVC_DEFERRED_EVENT(revisit); +DECLARE_EVENT_CLASS(cache_event, + TP_PROTO( + const struct cache_detail *cd, + const struct cache_head *h + ), + + TP_ARGS(cd, h), + + TP_STRUCT__entry( + __field(const struct cache_head *, h) + __string(name, cd->name) + ), + + TP_fast_assign( + __entry->h = h; + __assign_str(name, cd->name); + ), + + TP_printk("cache=%s entry=%p", __get_str(name), __entry->h) +); +#define DEFINE_CACHE_EVENT(name) \ + DEFINE_EVENT(cache_event, name, \ + TP_PROTO( \ + const struct cache_detail *cd, \ + const struct cache_head *h \ + ), \ + TP_ARGS(cd, h)) +DEFINE_CACHE_EVENT(cache_entry_expired); +DEFINE_CACHE_EVENT(cache_entry_upcall); +DEFINE_CACHE_EVENT(cache_entry_update); +DEFINE_CACHE_EVENT(cache_entry_make_negative); +DEFINE_CACHE_EVENT(cache_entry_no_listener); + #endif /* _TRACE_SUNRPC_H */ #include <trace/define_trace.h> |