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rcu: Convert rcu_future_grace_period tracepoint to gp_seq

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This commit makes the rcu_future_grace_period tracepoint use gp_seq
instead of ->gpnum and ->completed.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2018-05-01 13:08:46 -07:00
parent 477351f782
commit abd13fdd95
2 changed files with 12 additions and 17 deletions
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7
kernel/rcu/tree.c
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@@ -1552,9 +1552,8 @@ void rcu_cpu_stall_reset(void)
static void trace_rcu_this_gp(struct rcu_node *rnp, struct rcu_data *rdp,
unsigned long c, const char *s)
{
trace_rcu_future_grace_period(rdp->rsp->name, rnp->gpnum,
rnp->completed, c, rnp->level,
rnp->grplo, rnp->grphi, s);
trace_rcu_future_grace_period(rdp->rsp->name, rnp->gp_seq, c,
rnp->level, rnp->grplo, rnp->grphi, s);
}
/*
@@ -2053,7 +2052,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp)
/* Check for GP requests since above loop. */
rdp = this_cpu_ptr(rsp->rda);
if (ULONG_CMP_LT(rnp->gp_seq, rnp->gp_seq_needed)) {
trace_rcu_this_gp(rnp, rdp, rsp->completed - 1,
trace_rcu_this_gp(rnp, rdp, rnp->gp_seq_needed,
TPS("CleanupMore"));
needgp = true;
}