diff options
Diffstat (limited to 'include/trace/events/rcu.h')
| -rw-r--r-- | include/trace/events/rcu.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 1918e832da4..59ebcc89f14 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -72,6 +72,58 @@ TRACE_EVENT(rcu_grace_period, ); /* + * Tracepoint for future grace-period events, including those for no-callbacks + * CPUs. The caller should pull the data from the rcu_node structure, + * other than rcuname, which comes from the rcu_state structure, and event, + * which is one of the following: + * + * "Startleaf": Request a nocb grace period based on leaf-node data. + * "Startedleaf": Leaf-node start proved sufficient. + * "Startedleafroot": Leaf-node start proved sufficient after checking root. + * "Startedroot": Requested a nocb grace period based on root-node data. + * "StartWait": Start waiting for the requested grace period. + * "ResumeWait": Resume waiting after signal. + * "EndWait": Complete wait. + * "Cleanup": Clean up rcu_node structure after previous GP. + * "CleanupMore": Clean up, and another no-CB GP is needed. + */ +TRACE_EVENT(rcu_future_grace_period, + + TP_PROTO(char *rcuname, unsigned long gpnum, unsigned long completed, + unsigned long c, u8 level, int grplo, int grphi, + char *gpevent), + + TP_ARGS(rcuname, gpnum, completed, c, level, grplo, grphi, gpevent), + + TP_STRUCT__entry( + __field(char *, rcuname) + __field(unsigned long, gpnum) + __field(unsigned long, completed) + __field(unsigned long, c) + __field(u8, level) + __field(int, grplo) + __field(int, grphi) + __field(char *, gpevent) + ), + + TP_fast_assign( + __entry->rcuname = rcuname; + __entry->gpnum = gpnum; + __entry->completed = completed; + __entry->c = c; + __entry->level = level; + __entry->grplo = grplo; + __entry->grphi = grphi; + __entry->gpevent = gpevent; + ), + + TP_printk("%s %lu %lu %lu %u %d %d %s", + __entry->rcuname, __entry->gpnum, __entry->completed, + __entry->c, __entry->level, __entry->grplo, __entry->grphi, + __entry->gpevent) +); + +/* * Tracepoint for grace-period-initialization events. These are * distinguished by the type of RCU, the new grace-period number, the * rcu_node structure level, the starting and ending CPU covered by the @@ -601,6 +653,9 @@ TRACE_EVENT(rcu_barrier, #define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) #define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ qsmask) do { } while (0) +#define trace_rcu_future_grace_period(rcuname, gpnum, completed, c, \ + level, grplo, grphi, event) \ + do { } while (0) #define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) #define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) #define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ |