diff options
| author | Chris Mason <chris.mason@fusionio.com> | 2012-08-27 12:53:51 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-08-27 12:53:51 -0400 |
| commit | 49d17e16fc977e01baf018f7c4af20e6b594fbba (patch) | |
| tree | be2e0962d6f6663fea226bd729d37a29d2de758c | |
| parent | eef996bc011bf6e57b8954a27f6b5dd3abaaf405 (diff) | |
| download | blktrace-49d17e16fc977e01baf018f7c4af20e6b594fbba.tar.gz | |
iowatcher: Fix the line graphs for values near the edges of the graph
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
| -rw-r--r-- | iowatcher/plot.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/iowatcher/plot.c b/iowatcher/plot.c index fac59bd..536c638 100644 --- a/iowatcher/plot.c +++ b/iowatcher/plot.c @@ -694,7 +694,7 @@ int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, int printed_header = 0; int printed_lines = 0; - if (0 && thresh1 && thresh2) + if (thresh1 && thresh2) rolling = 0; else if (rolling_avg_secs) rolling = rolling_avg_secs; @@ -703,7 +703,16 @@ int svg_line_graph(struct plot *plot, struct graph_line_data *gld, char *color, for (i = 0; i < gld->stop_seconds; i++) { avg = rolling_avg(gld->data, i, rolling); - val = avg / yscale; + if (yscale == 0) + val = 0; + else + val = avg / yscale; + + if (val > graph_height) + val = graph_height; + if (val < 0) + val = 0; + x = (double)i / xscale; if (!thresh1 && !thresh2) { |