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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-05-22 13:59:52 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-07-24 16:04:08 -0700 |
| commit | ac3748c60426602c091c8c9281c95fadb781fcc0 (patch) | |
| tree | b36963f082b89f6a79385d4a81615826b48b0fdc /kernel/rcu | |
| parent | 115a1a5285664f1931c30457081b4ae1e648f1f9 (diff) | |
| download | linux-ac3748c60426602c091c8c9281c95fadb781fcc0.tar.gz linux-ac3748c60426602c091c8c9281c95fadb781fcc0.tar.bz2 linux-ac3748c60426602c091c8c9281c95fadb781fcc0.zip | |
rcutorture: Print SRCU lock/unlock totals
This commit adds printing of SRCU lock/unlock totals, which are just
the sums of the per-CPU counts. Saves a bit of mental arithmetic.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/srcutree.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 8f6fd11c338a..b4f491b06ee0 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -1221,6 +1221,7 @@ void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf) { int cpu; int idx; + unsigned long s0 = 0, s1 = 0; idx = sp->srcu_idx & 0x1; pr_alert("%s%s Tree SRCU per-CPU(idx=%d):", tt, tf, idx); @@ -1246,8 +1247,10 @@ void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf) c0 = l0 - u0; c1 = l1 - u1; pr_cont(" %d(%ld,%ld)", cpu, c0, c1); + s0 += c0; + s1 += c1; } - pr_cont("\n"); + pr_cont(" T(%ld,%ld)\n", s0, s1); } EXPORT_SYMBOL_GPL(srcu_torture_stats_print); |