From: Martin Wilck <mwilck@xxxxxxxx>
read_and_act() currently prints a debug message only very late.
Print the status seen by mdmon right away, to track mdmon's
actions more closely. Add a time stamp to observe long delays
between read_and_act calls, e.g. caused by meta data writes.
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
monitor.c | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/monitor.c b/monitor.c
index 67b40b1..b208168 100644
--- a/monitor.c
+++ b/monitor.c
@@ -234,6 +234,7 @@ static int read_and_act(struct active_array *a)
struct mdinfo *mdi;
int ret = 0;
int count = 0;
+ struct timeval tv;
a->next_state = bad_word;
a->next_action = bad_action;
@@ -257,6 +258,17 @@ static int read_and_act(struct active_array *a)
mdi->curr_state = read_dev_state(mdi->state_fd);
}
}
+
+ gettimeofday(&tv, NULL);
+ fprintf(stderr, "%s(%d): %ld.%06ld state:%s prev:%s action:%s prev: %s start:%llu\n",
+ __func__, a->info.container_member,
+ tv.tv_sec, tv.tv_usec,
+ array_states[a->curr_state],
+ array_states[a->prev_state],
+ sync_actions[a->curr_action],
+ sync_actions[a->prev_action],
+ a->info.resync_start
+ );
if (a->curr_state > inactive &&
a->prev_state == inactive) {
--
1.7.1
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