| /proc/pid/oom_score (since Linux 2.6.11) | This file displays the current score that the kernel gives to this process for the purpose of selecting a process for the OOM-killer. A higher score means that the process is more likely to be selected by the OOM-killer. The basis for this score is the amount of memory used by the process, with increases (+) or decreases (-) for factors including: |
| • | whether the process is privileged (-). |
| • | whether the process creates a lot of children using fork(2) (+); |
| • | whether the process has been running a long time, or has used a lot of CPU time (-); |
| • | whether the process has a low nice value (i.e., > 0) (+); and |
| • | whether the process is making direct hardware access (-). |
NAME
/proc/pid/oom_score - OOM-killer score
DESCRIPTION
- /proc/pid/oom_score (since Linux 2.6.11)
This file displays the current score that the kernel gives to this process for the purpose of selecting a process for the OOM-killer. A higher score means that the process is more likely to be selected by the OOM-killer. The basis for this score is the amount of memory used by the process, with increases (+) or decreases (-) for factors including:
- •
whether the process is privileged (-).
Before Linux 2.6.36 the following factors were also used in the calculation of oom_score:
- •
whether the process creates a lot of children using fork(2) (+);
- •
whether the process has been running a long time, or has used a lot of CPU time (-);
- •
whether the process has a low nice value (i.e., > 0) (+); and
- •
whether the process is making direct hardware access (-).
The oom_score also reflects the adjustment specified by the oom_score_adj or oom_adj setting for the process.
SEE ALSO
proc(5), proc_pid_oom_score_adj(5)