[gimp] app: avoid potential division by 0 in dashboard CPU usage sampler



commit 394c930fbe6c2004f4fb2c1f106a3fd686f38d22
Author: Ell <ell_se yahoo com>
Date:   Wed Apr 4 13:00:40 2018 -0400

    app: avoid potential division by 0 in dashboard CPU usage sampler

 app/widgets/gimpdashboard.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/widgets/gimpdashboard.c b/app/widgets/gimpdashboard.c
index 6388011..07e1d7a 100644
--- a/app/widgets/gimpdashboard.c
+++ b/app/widgets/gimpdashboard.c
@@ -1644,7 +1644,7 @@ gimp_dashboard_sample_cpu_usage (GimpDashboard *dashboard,
 
   curr_usage = tms.tms_utime + tms.tms_stime;
 
-  if (prev_clock)
+  if (prev_clock && curr_clock != prev_clock)
     {
       variable_data->available         = TRUE;
       variable_data->value.percentage  = (gdouble) (curr_usage - prev_usage) /
@@ -1701,7 +1701,7 @@ gimp_dashboard_sample_cpu_usage (GimpDashboard *dashboard,
   curr_usage += ((guint64) process_user_time.dwHighDateTime << 32) |
                  (guint64) process_user_time.dwLowDateTime;
 
-  if (prev_time)
+  if (prev_time && curr_time != prev_time)
     {
       variable_data->available         = TRUE;
       variable_data->value.percentage  = (gdouble) (curr_usage - prev_usage) /


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