iowatcher: Do not add events out of time range to the plot

If the event is out of time range that should be plotted, do not add it.
It will corrupt memory...

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/iowatcher/plot.c b/iowatcher/plot.c
index 6d652ddcaba4811aae62860cbdd6829e5a9f97b9..e187685a1e40c8092ea81a44b2807e559db44b1f 100644 (file)
--- a/iowatcher/plot.c
+++ b/iowatcher/plot.c
@@ -206,8 +206,10 @@ void set_gdd_bit(struct graph_dot_data *gdd, u64 offset, double bytes, double ti
 
        if (offset > gdd->max_offset || offset < gdd->min_offset)
                return;
-       gdd->total_ios++;
        time = time / 1000000000.0;
+       if (time < gdd->min_seconds || time > gdd->max_seconds)
+               return;
+       gdd->total_ios++;
        while (bytes > 0 && offset <= gdd->max_offset) {
                row = (double)(offset - gdd->min_offset) / bytes_per_row;
                col = (time - gdd->min_seconds) / secs_per_col;