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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-05-01 22:35:20 +0200
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-07-13 00:38:47 +0200
commitfee5997c17562e95fb1fecc142efb2da0934baa4 (patch)
treeb764e796d218129727c3c0c7a9a9e69815d8f4d5
parentrcu: Convert rcu_quiescent_state_report tracepoint to ->gp_seq (diff)
downloadlinux-fee5997c17562e95fb1fecc142efb2da0934baa4.tar.xz
linux-fee5997c17562e95fb1fecc142efb2da0934baa4.zip
rcu: Convert rcu_fqs tracepoint to ->gp_seq
This commit makes the rcu_fqs tracepoint use ->gp_seq instead of ->gpnum. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-rw-r--r--include/trace/events/rcu.h12
-rw-r--r--kernel/rcu/tree.c8
2 files changed, 10 insertions, 10 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index ac4d9d4a1ebf..7d3650cc9d30 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -398,26 +398,26 @@ TRACE_EVENT(rcu_quiescent_state_report,
*/
TRACE_EVENT(rcu_fqs,
- TP_PROTO(const char *rcuname, unsigned long gpnum, int cpu, const char *qsevent),
+ TP_PROTO(const char *rcuname, unsigned long gp_seq, int cpu, const char *qsevent),
- TP_ARGS(rcuname, gpnum, cpu, qsevent),
+ TP_ARGS(rcuname, gp_seq, cpu, qsevent),
TP_STRUCT__entry(
__field(const char *, rcuname)
- __field(unsigned long, gpnum)
+ __field(unsigned long, gp_seq)
__field(int, cpu)
__field(const char *, qsevent)
),
TP_fast_assign(
__entry->rcuname = rcuname;
- __entry->gpnum = gpnum;
+ __entry->gp_seq = gp_seq;
__entry->cpu = cpu;
__entry->qsevent = qsevent;
),
TP_printk("%s %lu %d %s",
- __entry->rcuname, __entry->gpnum,
+ __entry->rcuname, __entry->gp_seq,
__entry->cpu, __entry->qsevent)
);
@@ -766,7 +766,7 @@ TRACE_EVENT(rcu_barrier,
#define trace_rcu_quiescent_state_report(rcuname, gp_seq, mask, qsmask, level, \
grplo, grphi, gp_tasks) do { } \
while (0)
-#define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0)
+#define trace_rcu_fqs(rcuname, gp_seq, cpu, qsevent) do { } while (0)
#define trace_rcu_dyntick(polarity, oldnesting, newnesting, dyntick) do { } while (0)
#define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0)
#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 7c6c11d5479c..42e89d4f1e33 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1111,7 +1111,7 @@ static int dyntick_save_progress_counter(struct rcu_data *rdp)
{
rdp->dynticks_snap = rcu_dynticks_snap(rdp->dynticks);
if (rcu_dynticks_in_eqs(rdp->dynticks_snap)) {
- trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("dti"));
+ trace_rcu_fqs(rdp->rsp->name, rdp->gp_seq, rdp->cpu, TPS("dti"));
rcu_gpnum_ovf(rdp->mynode, rdp);
return 1;
}
@@ -1161,7 +1161,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
* of the current RCU grace period.
*/
if (rcu_dynticks_in_eqs_since(rdp->dynticks, rdp->dynticks_snap)) {
- trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("dti"));
+ trace_rcu_fqs(rdp->rsp->name, rdp->gp_seq, rdp->cpu, TPS("dti"));
rdp->dynticks_fqs++;
rcu_gpnum_ovf(rnp, rdp);
return 1;
@@ -1178,7 +1178,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
if (time_after(jiffies, rdp->rsp->gp_start + jtsq) &&
READ_ONCE(rdp->rcu_qs_ctr_snap) != per_cpu(rcu_dynticks.rcu_qs_ctr, rdp->cpu) &&
rcu_seq_current(&rdp->gp_seq) == rnp->gp_seq && !rdp->gpwrap) {
- trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("rqc"));
+ trace_rcu_fqs(rdp->rsp->name, rdp->gp_seq, rdp->cpu, TPS("rqc"));
rcu_gpnum_ovf(rnp, rdp);
return 1;
} else if (time_after(jiffies, rdp->rsp->gp_start + jtsq)) {
@@ -1188,7 +1188,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
/* Check for the CPU being offline. */
if (!(rdp->grpmask & rcu_rnp_online_cpus(rnp))) {
- trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("ofl"));
+ trace_rcu_fqs(rdp->rsp->name, rdp->gp_seq, rdp->cpu, TPS("ofl"));
rdp->offline_fqs++;
rcu_gpnum_ovf(rnp, rdp);
return 1;