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-rw-r--r--testsuite/systemtap.maps/linear_nearlyempty.stp18
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/systemtap.maps/linear_nearlyempty.stp b/testsuite/systemtap.maps/linear_nearlyempty.stp
new file mode 100644
index 00000000..f0b70607
--- /dev/null
+++ b/testsuite/systemtap.maps/linear_nearlyempty.stp
@@ -0,0 +1,18 @@
+# test that we can check the count of an empty array
+
+global agg
+
+probe begin
+{
+ agg <<< 444
+ agg <<< 999
+ printf("count=%d\n", @count(agg))
+ if (@count(agg) > 0) {
+ printf("sum=%d\n", @sum(agg))
+ printf("min=%d\n", @min(agg))
+ printf("max=%d\n", @max(agg))
+ printf("avg=%d\n", @avg(agg))
+ print(@hist_linear(agg, 0, 1500, 50))
+ }
+ exit()
+}