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| author | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-10-04 10:54:22 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-12-01 12:45:40 -0800 |
| commit | 73d665b1410afae405309ad4475a98924776ab13 (patch) | |
| tree | 185ca5826d3761dea99415ce138ed545886b61de /kernel/rcu | |
| parent | c51d7b5e6c94aa6b554c27bd2b0eb64ebef02334 (diff) | |
rcutorture: Print forward-progress test age upon failure
This commit prints the age of the forward-progress test in jiffies,
in order to allow better interpretation of the callback-invocation
histograms.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 329f4fb13125..080b5ac6340c 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1639,7 +1639,8 @@ static void rcu_torture_fwd_cb_hist(void) for (i = ARRAY_SIZE(n_launders_hist) - 1; i > 0; i--) if (n_launders_hist[i] > 0) break; - pr_alert("%s: Callback-invocation histogram:", __func__); + pr_alert("%s: Callback-invocation histogram (duration %lu jiffies):", + __func__, jiffies - rcu_fwd_startat); for (j = 0; j <= i; j++) pr_cont(" %ds: %ld", j + 1, n_launders_hist[j]); pr_cont("\n"); |