diff options
Diffstat (limited to 'include/trace/events/fscache.h')
| -rw-r--r-- | include/trace/events/fscache.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/trace/events/fscache.h b/include/trace/events/fscache.h index eeb3e7d88e20..9286e1c4b2ac 100644 --- a/include/trace/events/fscache.h +++ b/include/trace/events/fscache.h @@ -45,6 +45,23 @@ enum fscache_volume_trace { fscache_volume_see_hash_wake, }; +enum fscache_cookie_trace { + fscache_cookie_collision, + fscache_cookie_discard, + fscache_cookie_get_end_access, + fscache_cookie_get_hash_collision, + fscache_cookie_new_acquire, + fscache_cookie_put_hash_collision, + fscache_cookie_put_over_queued, + fscache_cookie_put_relinquish, + fscache_cookie_put_withdrawn, + fscache_cookie_put_work, + fscache_cookie_see_active, + fscache_cookie_see_relinquish, + fscache_cookie_see_withdraw, + fscache_cookie_see_work, +}; + #endif /* @@ -74,6 +91,22 @@ enum fscache_volume_trace { EM(fscache_volume_see_create_work, "SEE creat") \ E_(fscache_volume_see_hash_wake, "SEE hwake") +#define fscache_cookie_traces \ + EM(fscache_cookie_collision, "*COLLIDE*") \ + EM(fscache_cookie_discard, "DISCARD ") \ + EM(fscache_cookie_get_hash_collision, "GET hcoll") \ + EM(fscache_cookie_get_end_access, "GQ endac") \ + EM(fscache_cookie_new_acquire, "NEW acq ") \ + EM(fscache_cookie_put_hash_collision, "PUT hcoll") \ + EM(fscache_cookie_put_over_queued, "PQ overq") \ + EM(fscache_cookie_put_relinquish, "PUT relnq") \ + EM(fscache_cookie_put_withdrawn, "PUT wthdn") \ + EM(fscache_cookie_put_work, "PQ work ") \ + EM(fscache_cookie_see_active, "- activ") \ + EM(fscache_cookie_see_relinquish, "- x-rlq") \ + EM(fscache_cookie_see_withdraw, "- x-wth") \ + E_(fscache_cookie_see_work, "- work ") + /* * Export enum symbols via userspace. */ @@ -84,6 +117,7 @@ enum fscache_volume_trace { fscache_cache_traces; fscache_volume_traces; +fscache_cookie_traces; /* * Now redefine the EM() and E_() macros to map the enums to the strings that @@ -145,6 +179,83 @@ TRACE_EVENT(fscache_volume, __entry->usage) ); +TRACE_EVENT(fscache_cookie, + TP_PROTO(unsigned int cookie_debug_id, + int ref, + enum fscache_cookie_trace where), + + TP_ARGS(cookie_debug_id, ref, where), + + TP_STRUCT__entry( + __field(unsigned int, cookie ) + __field(int, ref ) + __field(enum fscache_cookie_trace, where ) + ), + + TP_fast_assign( + __entry->cookie = cookie_debug_id; + __entry->ref = ref; + __entry->where = where; + ), + + TP_printk("c=%08x %s r=%d", + __entry->cookie, + __print_symbolic(__entry->where, fscache_cookie_traces), + __entry->ref) + ); + +TRACE_EVENT(fscache_acquire, + TP_PROTO(struct fscache_cookie *cookie), + + TP_ARGS(cookie), + + TP_STRUCT__entry( + __field(unsigned int, cookie ) + __field(unsigned int, volume ) + __field(int, v_ref ) + __field(int, v_n_cookies ) + ), + + TP_fast_assign( + __entry->cookie = cookie->debug_id; + __entry->volume = cookie->volume->debug_id; + __entry->v_ref = refcount_read(&cookie->volume->ref); + __entry->v_n_cookies = atomic_read(&cookie->volume->n_cookies); + ), + + TP_printk("c=%08x V=%08x vr=%d vc=%d", + __entry->cookie, + __entry->volume, __entry->v_ref, __entry->v_n_cookies) + ); + +TRACE_EVENT(fscache_relinquish, + TP_PROTO(struct fscache_cookie *cookie, bool retire), + + TP_ARGS(cookie, retire), + + TP_STRUCT__entry( + __field(unsigned int, cookie ) + __field(unsigned int, volume ) + __field(int, ref ) + __field(int, n_active ) + __field(u8, flags ) + __field(bool, retire ) + ), + + TP_fast_assign( + __entry->cookie = cookie->debug_id; + __entry->volume = cookie->volume->debug_id; + __entry->ref = refcount_read(&cookie->ref); + __entry->n_active = atomic_read(&cookie->n_active); + __entry->flags = cookie->flags; + __entry->retire = retire; + ), + + TP_printk("c=%08x V=%08x r=%d U=%d f=%02x rt=%u", + __entry->cookie, __entry->volume, __entry->ref, + __entry->n_active, __entry->flags, __entry->retire) + ); + #endif /* _TRACE_FSCACHE_H */ /* This part must be outside protection */ |