Experimental Physics and
Industrial Control System
| 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 <2026> | Index | 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 <2026> |
| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Looking for mutex contention in Linux IOCs |
| From: | Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov> |
| To: | EPICS Tech-Talk <tech-talk at aps.anl.gov> |
| Date: | Mon, 23 Mar 2026 18:42:54 -0700 |
|
fyi. I have written up a note on using the Linux systemtap tracing tool to investigate mutex contention in IOCs. A bit esoteric, but something which occasionally comes when analyzing EPICS driver performance limitations. https ://github.com/mdavidsaver/ltrace/blob/master/ioc_mutex_contention.md
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