From db023296f0115d2fe01fdabad54678f2b806da23 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 1 May 2018 13:35:20 -0700 Subject: [PATCH] rcu: Convert rcu_quiescent_state_report tracepoint to ->gp_seq This commit makes the rcu_quiescent_state_report tracepoint use ->gp_seq instead of ->gpnum. Signed-off-by: Paul E. McKenney --- include/trace/events/rcu.h | 12 ++++++------ kernel/rcu/tree.c | 2 +- kernel/rcu/tree_plugin.h | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 95b7491196aa..ac4d9d4a1ebf 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -354,15 +354,15 @@ TRACE_EVENT(rcu_unlock_preempted_task, */ TRACE_EVENT(rcu_quiescent_state_report, - TP_PROTO(const char *rcuname, unsigned long gpnum, + TP_PROTO(const char *rcuname, unsigned long gp_seq, unsigned long mask, unsigned long qsmask, u8 level, int grplo, int grphi, int gp_tasks), - TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), + TP_ARGS(rcuname, gp_seq, mask, qsmask, level, grplo, grphi, gp_tasks), TP_STRUCT__entry( __field(const char *, rcuname) - __field(unsigned long, gpnum) + __field(unsigned long, gp_seq) __field(unsigned long, mask) __field(unsigned long, qsmask) __field(u8, level) @@ -373,7 +373,7 @@ TRACE_EVENT(rcu_quiescent_state_report, TP_fast_assign( __entry->rcuname = rcuname; - __entry->gpnum = gpnum; + __entry->gp_seq = gp_seq; __entry->mask = mask; __entry->qsmask = qsmask; __entry->level = level; @@ -383,7 +383,7 @@ TRACE_EVENT(rcu_quiescent_state_report, ), TP_printk("%s %lu %lx>%lx %u %d %d %u", - __entry->rcuname, __entry->gpnum, + __entry->rcuname, __entry->gp_seq, __entry->mask, __entry->qsmask, __entry->level, __entry->grplo, __entry->grphi, __entry->gp_tasks) ); @@ -763,7 +763,7 @@ TRACE_EVENT(rcu_barrier, #define trace_rcu_nocb_wake(rcuname, cpu, reason) do { } while (0) #define trace_rcu_preempt_task(rcuname, pid, gp_seq) do { } while (0) #define trace_rcu_unlock_preempted_task(rcuname, gp_seq, pid) do { } while (0) -#define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ +#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) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 066dbaacec30..7c6c11d5479c 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2229,7 +2229,7 @@ rcu_report_qs_rnp(unsigned long mask, struct rcu_state *rsp, WARN_ON_ONCE(!rcu_is_leaf_node(rnp) && rcu_preempt_blocked_readers_cgp(rnp)); rnp->qsmask &= ~mask; - trace_rcu_quiescent_state_report(rsp->name, rnp->gpnum, + trace_rcu_quiescent_state_report(rsp->name, rnp->gp_seq, mask, rnp->qsmask, rnp->level, rnp->grplo, rnp->grphi, !!rnp->gp_tasks); diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index a10b0e26ce19..c8a2c7760121 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -566,7 +566,7 @@ void rcu_read_unlock_special(struct task_struct *t) empty_exp_now = sync_rcu_preempt_exp_done(rnp); if (!empty_norm && !rcu_preempt_blocked_readers_cgp(rnp)) { trace_rcu_quiescent_state_report(TPS("preempt_rcu"), - rnp->gpnum, + rnp->gp_seq, 0, rnp->qsmask, rnp->level, rnp->grplo,