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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-10-15 01:36:38 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-15 11:20:22 +0200 |
| commit | 3397e040dfacbb303498ced1baa96be983dcea06 (patch) | |
| tree | a88622259699c066756c0ed62caa7218ca5b79ef /kernel/rcutree_trace.c | |
| parent | rcu: Stopgap fix for synchronize_rcu_expedited() for TREE_PREEMPT_RCU (diff) | |
| download | linux-3397e040dfacbb303498ced1baa96be983dcea06.tar.xz linux-3397e040dfacbb303498ced1baa96be983dcea06.zip | |
rcu: Add rnp->blocked_tasks to tracing
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(-)
Diffstat (limited to '')
| -rw-r--r-- | 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 4b31c779e62e..1984cdc51e9a 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"); |