VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Theodore Ts'o <tytso@mit.edu> 2008-12-17 00:20:45 -0500 committer: Theodore Ts'o <tytso@mit.edu> 2008-12-17 00:20:45 -0500 commit: d7cfa4684d82f58e5d7cb73b8a3c88c169937f25 parent: e07f7183a486cf9783d1f8c9d2997b5b39eeb2d4
Commit Summary:
ext4: display average commit time
Diffstat:
1 file changed, 3 insertions, 0 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index e70d657a19f8..74d87290381c 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -40,6 +40,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
+#include <asm/div64.h>
 
 EXPORT_SYMBOL(jbd2_journal_start);
 EXPORT_SYMBOL(jbd2_journal_restart);
@@ -824,6 +825,8 @@ static int jbd2_seq_info_show(struct seq_file *seq, void *v)
 	    jiffies_to_msecs(s->stats->u.run.rs_flushing / s->stats->ts_tid));
 	seq_printf(seq, "  %ums logging transaction\n",
 	    jiffies_to_msecs(s->stats->u.run.rs_logging / s->stats->ts_tid));
+	seq_printf(seq, "  %luus average transaction commit time\n",
+		   do_div(s->journal->j_average_commit_time, 1000));
 	seq_printf(seq, "  %lu handles per transaction\n",
 	    s->stats->u.run.rs_handle_count / s->stats->ts_tid);
 	seq_printf(seq, "  %lu blocks per transaction\n",