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  • EAR environment variables

EAR environment variables · Changes

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EAR wiki v6.0 authored Nov 07, 2025 by Oriol's avatar Oriol
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EAR-environment-variables.md
View page @ 202c91a1
...@@ -81,7 +81,7 @@ export EAR_REPORT_ADD=my_report_plugin.so:my_report_plugin2.so ...@@ -81,7 +81,7 @@ export EAR_REPORT_ADD=my_report_plugin.so:my_report_plugin2.so
srun -n 10 my_mpi_app srun -n 10 my_mpi_app
``` ```
For more information, see [Report plug-ins](https://gitlab.bsc.es/ear_team/ear_private/-/wikis/Report) section. For more information, see [Report plug-ins](https://gitlab.bsc.es/ear_team/ear/-/wikis/Report) section.
## Extended GPU metrics ## Extended GPU metrics
...@@ -364,7 +364,7 @@ Moreover, this is the only way to set different priorities over different thread ...@@ -364,7 +364,7 @@ Moreover, this is the only way to set different priorities over different thread
## EAR\_MIN\_CPUFREQ ## EAR\_MIN\_CPUFREQ
This variable can only be set by **authorized users**, and modifies the minimum CPU frequency the EAR Library can set. This variable can only be set by **authorized users**, and modifies the minimum CPU frequency the EAR Library can set.
The [EAR configuration](https://gitlab.bsc.es/ear_team/ear_private/-/wikis/Configuration) file has a field called `cpu_max_pstate` which sets this limits on the tag it is configured. The [EAR configuration](https://gitlab.bsc.es/ear_team/ear/-/wikis/Configuration) file has a field called `cpu_max_pstate` which sets this limits on the tag it is configured.
Authorized users can modify this limit at submission time by using this environment to test, for example, the best value for the `ear.conf` field. Authorized users can modify this limit at submission time by using this environment to test, for example, the best value for the `ear.conf` field.
## Disabling EAR's affinity masks usage ## Disabling EAR's affinity masks usage
...@@ -510,7 +510,7 @@ srun -n 10 --ear=on ./mpi_app ...@@ -510,7 +510,7 @@ srun -n 10 --ear=on ./mpi_app
## REPORT_EARL_EVENTS ## REPORT_EARL_EVENTS
Use this variable (i.e., `export REPORT_EARL_EVENTS=1`) to make EARL send internal events to the [Database](https://gitlab.bsc.es/ear_team/ear_private/-/wikis/EAR-Database). Use this variable (i.e., `export REPORT_EARL_EVENTS=1`) to make EARL send internal events to the [Database](https://gitlab.bsc.es/ear_team/ear/-/wikis/EAR-Database).
These events are useful to have more information about Library's behaviour, like These events are useful to have more information about Library's behaviour, like
when DynAIS **(REFERENCE DYNAIS)** is turned off, the computational phase EAR is guessing the application is on when DynAIS **(REFERENCE DYNAIS)** is turned off, the computational phase EAR is guessing the application is on
or the status of the applied policy **(REF POLICIES)**. or the status of the applied policy **(REF POLICIES)**.
......
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