Commit-ID: 3397e040dfacbb303498ced1baa96be983dcea06
Gitweb: http://git.kernel.org/tip/3397e040dfacbb303498ced1baa96be983dcea06
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 14 Oct 2009 16:36:38 -0700
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 15 Oct 2009 11:20:22 +0200
rcu: Add rnp->blocked_tasks to tracing
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: laijs@xxxxxxxxxxxxxx
Cc: dipankar@xxxxxxxxxx
Cc: mathieu.desnoyers@xxxxxxxxxx
Cc: dvhltc@xxxxxxxxxx
Cc: niv@xxxxxxxxxx
Cc: peterz@xxxxxxxxxxxxx
Cc: rostedt@xxxxxxxxxxx
Cc: Valdis.Kletnieks@xxxxxx
Cc: dhowells@xxxxxxxxxx
Cc: npiggin@xxxxxxx
Cc: jens.axboe@xxxxxxxxxx
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
LKML-Reference: <20091014233638.GE6763@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
kernel/rcutree_trace.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
---
kernel/rcutree_trace.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 4b31c77..1984cdc 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -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");
--
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