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Document source of vol_ctxt and inv_ctxt trace metrics #4333

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Sep 21, 2023
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Document source of vol_ctxt and inv_ctxt trace metrics #4333

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4 changes: 2 additions & 2 deletions docs/tracing.md
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Expand Up @@ -282,10 +282,10 @@ The following table shows the fields that can be included in the execution repor
: Number of bytes the process originally dirtied in the page-cache (assuming they will go to disk later). This data is read from file `/proc/$pid/io`.

`vol_ctxt`
: Number of voluntary context switches.
: Number of voluntary context switches. This data is read from field `voluntary_ctxt_switches` in `/proc/$pid/status` file.

`inv_ctxt`
: Number of involuntary context switches.
: Number of involuntary context switches. This data is read from field `nonvoluntary_ctxt_switches` in `/proc/$pid/status` file.

`env`
: The variables defined in task execution environment.
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4 changes: 2 additions & 2 deletions modules/nextflow/src/main/groovy/nextflow/trace/TraceRecord.groovy
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Expand Up @@ -98,8 +98,8 @@ class TraceRecord implements Serializable {
time: 'time',
env: 'str',
error_action:'str',
vol_ctxt: 'num',
inv_ctxt: 'num',
vol_ctxt: 'num', // -- /proc/$pid/status field 'voluntary_ctxt_switches'
inv_ctxt: 'num', // -- /proc/$pid/status field 'nonvoluntary_ctxt_switches'
hostname: 'str',
cpu_model: 'str'
]
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