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rcu: Add rnp->blocked_tasks to tracing

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Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
Cc: npiggin@suse.de
Cc: jens.axboe@oracle.com
Cc: Josh Triplett <josh@joshtriplett.org>
LKML-Reference: <20091014233638.GE6763@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 kernel/rcutree_trace.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
This commit is contained in:
Paul E. McKenney 2009-10-14 16:36:38 -07:00 committed by Ingo Molnar
parent 019129d595
commit 3397e040df
1 changed files with 6 additions and 2 deletions
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8
kernel/rcutree_trace.c
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@ -155,12 +155,14 @@ static const struct file_operations rcudata_csv_fops = {
static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp)
{
long gpnum;
int level = 0;
struct rcu_node *rnp;
gpnum = rsp->gpnum;
seq_printf(m, "c=%ld g=%ld s=%d jfq=%ld j=%x "
"nfqs=%lu/nfqsng=%lu(%lu) fqlh=%lu oqlen=%ld\n",
rsp->completed, rsp->gpnum, rsp->signaled,
rsp->completed, gpnum, rsp->signaled,
(long)(rsp->jiffies_force_qs - jiffies),
(int)(jiffies & 0xffff),
rsp->n_force_qs, rsp->n_force_qs_ngp,
@ -171,8 +173,10 @@ static void print_one_rcu_state(struct seq_file *m, struct rcu_state *rsp)
seq_puts(m, "\n");
level = rnp->level;
}
seq_printf(m, "%lx/%lx %d:%d ^%d ",
seq_printf(m, "%lx/%lx %c>%c %d:%d ^%d ",
rnp->qsmask, rnp->qsmaskinit,
"T."[list_empty(&rnp->blocked_tasks[gpnum & 1])],
"T."[list_empty(&rnp->blocked_tasks[!(gpnum & 1)])],
rnp->grplo, rnp->grphi, rnp->grpnum);
}
seq_puts(m, "\n");