only display living async tasks when sigdumping

cloudtruth · Nov 10, 2023 · 78b94cd · 78b94cd
1 parent 9757f94
commit 78b94cd
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diff --git a/bin/stackdump b/bin/stackdump
@@ -2,4 +2,6 @@
 set -e
 kubetruth_pid=$(ps ax | grep '[k]ubetruth' | awk '{print $1}')
 kill -CONT "${kubetruth_pid}"
+sleep 1
 cat /tmp/sigdump-${kubetruth_pid}.log
+rm -f /tmp/sigdump-${kubetruth_pid}.log
diff --git a/lib/kubetruth/sigdump.rb b/lib/kubetruth/sigdump.rb
@@ -20,6 +20,7 @@ def dump_backtrace(thread, io)
       original_dump_backtrace(thread, io)
 
       ObjectSpace.each_object(Async::Task) do |task|
+        next unless task.alive?
         dump_async(task, io) if task
       end