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Bug #25212

v3_16_01 and some previous version -- tshow can hang if additional tracing happens simultaneously

Added by Ron Rechenmacher 2 months ago. Updated 2 months ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Start date:
11/16/2020
Due date:
% Done:

100%

Estimated time:
Duration:

Description

if a tshow is happening while another process or other processes/threads are adding to the buffer, the tshow can hang.
I have been able to reproduce this:
window 1: TRACE_SHOW="%H%x %T %N %P %i %C %n %.3L %m" tshow -F | PAGER= tdelta -i
OR while true;do tshow | PAGER= tdelta;done
window 2: while true;do tcntl TRACE 8 hello -l60;sleep 0;done

History

#1 Updated by Ron Rechenmacher 2 months ago

  • % Done changed from 0 to 100
  • Status changed from New to Resolved

fix and tested

#2 Updated by Ron Rechenmacher 2 months ago

  • Status changed from Resolved to Closed

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