From: Jan Kara <jack@xxxxxxxx>
So far we used maximum of the first trace for the maximum range of the
queue depth graph. Use maximum over all traces similarly as for other
line graphs.
Signed-off-by: Jan Kara <jack@xxxxxxxx>
---
iowatcher/main.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/iowatcher/main.c b/iowatcher/main.c
index cbe915571c0e..b13f509ac943 100644
--- a/iowatcher/main.c
+++ b/iowatcher/main.c
@@ -991,6 +991,7 @@ static void plot_queue_depth(struct plot *plot, unsigned int min_seconds,
unsigned int max_seconds)
{
struct trace_file *tf;
+ u64 max = 0, val;
if (active_graphs[QUEUE_DEPTH_GRAPH_INDEX] == 0)
return;
@@ -1000,9 +1001,17 @@ static void plot_queue_depth(struct plot *plot, unsigned int min_seconds,
if (num_traces > 1)
svg_alloc_legend(plot, num_traces);
- tf = list_entry(all_traces.next, struct trace_file, list);
+ list_for_each_entry(tf, &all_traces, list) {
+ val = line_graph_roll_avg_max(tf->queue_depth_gld);
+ if (val > max)
+ max = val;
+ }
+
+ list_for_each_entry(tf, &all_traces, list)
+ tf->queue_depth_gld->max = max;
+
set_ylabel(plot, "Pending IO");
- set_yticks(plot, num_yticks, 0, tf->queue_depth_gld->max, "");
+ set_yticks(plot, num_yticks, 0, max, "");
set_xticks(plot, num_xticks, min_seconds, max_seconds);
list_for_each_entry(tf, &all_traces, list) {
--
2.6.6
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