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Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Browse Source 
Pull RCU updates from Paul E. McKenney:

 - Expedited grace-period updates
 - kfree_rcu() updates
 - RCU list updates
 - Preemptible RCU updates
 - Torture-test updates
 - Miscellaneous fixes
 - Documentation updates

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2020-01-25 10:05:23 +01:00
parent 4703d91199 0e247386d9
commit f8a4bb6bfa
46 changed files with 1475 additions and 850 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/rcu.h
+16 -24
View File
@@ -41,7 +41,7 @@ TRACE_EVENT(rcu_utilization,
TP_printk("%s", __entry->s)
);
#if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU)
#if defined(CONFIG_TREE_RCU)
/*
* Tracepoint for grace-period events. Takes a string identifying the
@@ -432,7 +432,7 @@ TRACE_EVENT_RCU(rcu_fqs,
__entry->cpu, __entry->qsevent)
);
#endif /* #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) */
#endif /* #if defined(CONFIG_TREE_RCU) */
/*
* Tracepoint for dyntick-idle entry/exit events. These take a string
@@ -449,7 +449,7 @@ TRACE_EVENT_RCU(rcu_fqs,
*/
TRACE_EVENT_RCU(rcu_dyntick,
TP_PROTO(const char *polarity, long oldnesting, long newnesting, atomic_t dynticks),
TP_PROTO(const char *polarity, long oldnesting, long newnesting, int dynticks),
TP_ARGS(polarity, oldnesting, newnesting, dynticks),
@@ -464,7 +464,7 @@ TRACE_EVENT_RCU(rcu_dyntick,
__entry->polarity = polarity;
__entry->oldnesting = oldnesting;
__entry->newnesting = newnesting;
__entry->dynticks = atomic_read(&dynticks);
__entry->dynticks = dynticks;
),
TP_printk("%s %lx %lx %#3x", __entry->polarity,
@@ -481,16 +481,14 @@ TRACE_EVENT_RCU(rcu_dyntick,
*/
TRACE_EVENT_RCU(rcu_callback,
TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen_lazy,
long qlen),
TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen),
TP_ARGS(rcuname, rhp, qlen_lazy, qlen),
TP_ARGS(rcuname, rhp, qlen),
TP_STRUCT__entry(
__field(const char *, rcuname)
__field(void *, rhp)
__field(void *, func)
__field(long, qlen_lazy)
__field(long, qlen)
),
@@ -498,13 +496,12 @@ TRACE_EVENT_RCU(rcu_callback,
__entry->rcuname = rcuname;
__entry->rhp = rhp;
__entry->func = rhp->func;
__entry->qlen_lazy = qlen_lazy;
__entry->qlen = qlen;
),
TP_printk("%s rhp=%p func=%ps %ld/%ld",
TP_printk("%s rhp=%p func=%ps %ld",
__entry->rcuname, __entry->rhp, __entry->func,
__entry->qlen_lazy, __entry->qlen)
__entry->qlen)
);
/*
@@ -518,15 +515,14 @@ TRACE_EVENT_RCU(rcu_callback,
TRACE_EVENT_RCU(rcu_kfree_callback,
TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset,
long qlen_lazy, long qlen),
long qlen),
TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen),
TP_ARGS(rcuname, rhp, offset, qlen),
TP_STRUCT__entry(
__field(const char *, rcuname)
__field(void *, rhp)
__field(unsigned long, offset)
__field(long, qlen_lazy)
__field(long, qlen)
),
@@ -534,13 +530,12 @@ TRACE_EVENT_RCU(rcu_kfree_callback,
__entry->rcuname = rcuname;
__entry->rhp = rhp;
__entry->offset = offset;
__entry->qlen_lazy = qlen_lazy;
__entry->qlen = qlen;
),
TP_printk("%s rhp=%p func=%ld %ld/%ld",
TP_printk("%s rhp=%p func=%ld %ld",
__entry->rcuname, __entry->rhp, __entry->offset,
__entry->qlen_lazy, __entry->qlen)
__entry->qlen)
);
/*
@@ -552,27 +547,24 @@ TRACE_EVENT_RCU(rcu_kfree_callback,
*/
TRACE_EVENT_RCU(rcu_batch_start,
TP_PROTO(const char *rcuname, long qlen_lazy, long qlen, long blimit),
TP_PROTO(const char *rcuname, long qlen, long blimit),
TP_ARGS(rcuname, qlen_lazy, qlen, blimit),
TP_ARGS(rcuname, qlen, blimit),
TP_STRUCT__entry(
__field(const char *, rcuname)
__field(long, qlen_lazy)
__field(long, qlen)
__field(long, blimit)
),
TP_fast_assign(
__entry->rcuname = rcuname;
__entry->qlen_lazy = qlen_lazy;
__entry->qlen = qlen;
__entry->blimit = blimit;
),
TP_printk("%s CBs=%ld/%ld bl=%ld",
__entry->rcuname, __entry->qlen_lazy, __entry->qlen,
__entry->blimit)
TP_printk("%s CBs=%ld bl=%ld",
__entry->rcuname, __entry->qlen, __entry->blimit)
);
/*