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Alexey Avramov 2019-11-17 18:23:45 +09:00
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README.md
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@ -59,8 +59,9 @@ Of course, you can also [download more RAM](https://downloadmoreram.com/), tune
## Demo
- Old demo: `nohang` prevents Out Of Memory with GUI notifications: [https://youtu.be/ChTNu9m7uMU](https://youtu.be/ChTNu9m7uMU).
- New demo: `nohang` prevents Out Of Memory with GUI notifications: [https://youtu.be/UCwZS5uNLu0](https://youtu.be/UCwZS5uNLu0).
- `nohang` prevents Out Of Memory with GUI notifications: [https://youtu.be/ChTNu9m7uMU](https://youtu.be/ChTNu9m7uMU) (just old demo without swap space).
- `nohang` prevents Out Of Memory with GUI notifications: [https://youtu.be/UCwZS5uNLu0](https://youtu.be/UCwZS5uNLu0) (running multiple fast memory hogs at the same time without swap space).
- `nohang` prevents Out Of Memory with GUI notifications: [https://youtu.be/PLVWgNrVNlc](https://youtu.be/PLVWgNrVNlc) (opening multiple chromium tabs with 2.3 GiB memory and 1.8 GiB swap space on zram).
## Requirements
@ -147,7 +148,7 @@ optional arguments:
## How to configure
The program can be configured by editing the [config file](https://github.com/hakavlad/nohang/blob/master/nohang.conf). The configuration includes the following sections:
The program can be configured by editing the [config file](https://github.com/hakavlad/nohang/blob/master/nohang/nohang.conf). The configuration includes the following sections:
1. Common zram settings
2. Common PSI settings
@ -409,12 +410,13 @@ It needs `Linux` >= 4.20 with `CONFIG_PSI=y`.
<summary>Output example</summary>
```
$ psi-top
cgroup2 root dir: /sys/fs/cgroup/unified
$ $ psi-top
cgroup2 mountpoint: /sys/fs/cgroup
avg10 avg60 avg300 avg10 avg60 avg300 cgroup2
----- ----- ------ ----- ----- ------ ---------
some 46.72 31.48 22.60 | full 45.67 30.53 21.55 [SYSTEM]
some 44.29 28.54 20.08 | full 43.42 27.88 19.43 /user.slice
some 0.00 0.21 1.56 | full 0.00 0.16 1.14 [SYSTEM_WIDE]
some 0.00 0.21 1.56 | full 0.00 0.16 1.14
some 0.00 0.15 1.11 | full 0.00 0.12 0.89 /user.slice
some 45.92 28.77 20.19 | full 45.05 28.17 19.56 /user.slice/user-1000.slice
some 1.44 4.67 9.24 | full 1.44 4.65 9.20 /user.slice/user-1000.slice/user@1000.service
some 0.00 0.00 0.00 | full 0.00 0.00 0.00 /user.slice/user-1000.slice/user@1000.service/pulseaudio.service
@ -431,8 +433,6 @@ some 0.00 2.44 6.78 | full 0.00 2.43 6.74 /user.slice/user-1000.sli
some 0.00 0.00 0.00 | full 0.00 0.00 0.00 /user.slice/user-1000.slice/user@1000.service/gvfs-mtp-volume-monitor.service
some 0.00 0.00 0.00 | full 0.00 0.00 0.00 /user.slice/user-1000.slice/user@1000.service/gvfs-afc-volume-monitor.service
some 44.99 28.30 19.41 | full 44.10 27.70 18.79 /user.slice/user-1000.slice/session-2.scope
some 0.00 0.00 0.00 | full 0.00 0.00 0.00 /nohang.slice
some 0.00 0.00 0.00 | full 0.00 0.00 0.00 /nohang.slice/nohang.service
some 0.00 0.31 0.53 | full 0.00 0.31 0.53 /init.scope
some 7.25 11.40 13.34 | full 7.23 11.32 13.24 /system.slice
some 0.00 0.01 0.02 | full 0.00 0.01 0.02 /system.slice/systemd-udevd.service
@ -469,41 +469,55 @@ It needs `Linux` >= 4.20 with `CONFIG_PSI=y`.
```
$ psi-monitor
Set target to SYSTEM_WIDE to monitor /proc/pressure
Starting psi-monitor, target: SYSTEM_WIDE, period: 2
Starting psi-monitor
target: SYSTEM_WIDE
period: 2
------------------------------------------------------------------------------------------------------------------
some cpu pressure || some memory pressure | full memory pressure || some io pressure | full io pressure
---------------------||----------------------|----------------------||----------------------|---------------------
avg10 avg60 avg300 || avg10 avg60 avg300 | avg10 avg60 avg300 || avg10 avg60 avg300 | avg10 avg60 avg300
------ ------ ------ || ------ ------ ------ | ------ ------ ------ || ------ ------ ------ | ------ ------ ------
0.17 0.83 0.57 || 11.54 49.25 32.03 | 11.27 45.70 29.59 || 42.80 78.67 42.78 | 42.09 74.13 39.81
0.14 0.80 0.57 || 9.63 47.67 31.81 | 9.41 44.24 29.39 || 40.12 77.01 42.68 | 39.54 72.62 39.73
0.11 0.77 0.56 || 7.88 46.11 31.60 | 7.70 42.79 29.19 || 32.85 74.49 42.39 | 32.38 70.25 39.46
0.09 0.75 0.56 || 6.45 44.60 31.38 | 6.31 41.39 28.99 || 27.08 72.09 42.11 | 26.69 67.98 39.19
0.07 0.72 0.55 || 5.28 43.14 31.16 | 5.16 40.04 28.79 || 22.90 69.86 41.85 | 22.58 65.89 38.95
0.06 0.70 0.55 || 4.33 41.73 30.95 | 4.23 38.73 28.60 || 18.75 67.57 41.56 | 18.49 63.73 38.69
0.05 0.67 0.55 || 7.35 41.05 30.88 | 7.26 38.15 28.54 || 20.24 66.25 41.46 | 20.03 62.53 38.61
0.04 0.65 0.54 || 6.38 39.77 30.68 | 6.31 36.96 28.36 || 17.48 64.24 41.21 | 17.31 60.65 38.38
0.03 0.63 0.54 || 5.22 38.47 30.47 | 5.17 35.75 28.17 || 14.67 62.21 40.94 | 14.53 58.73 38.13
0.02 0.61 0.54 || 4.27 37.21 30.27 | 4.23 34.58 27.97 || 12.02 60.17 40.66 | 11.90 56.81 37.87
0.02 0.59 0.53 || 3.50 36.00 30.06 | 3.46 33.45 27.78 || 10.20 58.27 40.40 | 10.10 55.01 37.62
0.01 0.57 0.53 || 2.86 34.82 29.85 | 2.83 32.36 27.59 || 8.35 56.36 40.12 | 8.27 53.21 37.36
^CExit
$ psi-monitor /user.slice
Set target to /user.slice
Starting psi-monitor, target: /user.slice, period: 2
0.13 0.26 0.08 || 3.36 10.31 3.47 | 2.68 7.69 2.56 || 20.24 26.90 8.60 | 18.80 23.16 7.33
0.11 0.25 0.08 || 2.75 9.97 3.45 | 2.20 7.44 2.54 || 18.38 26.34 8.61 | 17.21 22.73 7.35
0.09 0.25 0.07 || 2.25 9.65 3.43 | 1.80 7.20 2.52 || 15.05 25.48 8.55 | 14.09 21.99 7.30
0.07 0.24 0.07 || 1.84 9.33 3.40 | 1.47 6.96 2.51 || 13.05 24.78 8.52 | 12.26 21.40 7.28
^C
Peak values: avg10 avg60 avg300
----------- ------ ------ ------
some cpu 0.13 0.26 0.08
----------- ------ ------ ------
some memory 3.36 10.31 3.47
full memory 2.68 7.69 2.56
----------- ------ ------ ------
some io 20.24 26.90 8.61
full io 18.80 23.16 7.35
$ psi-monitor -t /user.slice -l pm.log
Starting psi-monitor
target: /user.slice
period: 2
log file: pm.log
cgroup2 mountpoint: /sys/fs/cgroup
------------------------------------------------------------------------------------------------------------------
some cpu pressure || some memory pressure | full memory pressure || some io pressure | full io pressure
---------------------||----------------------|----------------------||----------------------|---------------------
avg10 avg60 avg300 || avg10 avg60 avg300 | avg10 avg60 avg300 || avg10 avg60 avg300 | avg10 avg60 avg300
------ ------ ------ || ------ ------ ------ | ------ ------ ------ || ------ ------ ------ | ------ ------ ------
0.00 0.00 0.00 || 7.20 12.43 18.37 | 6.82 11.85 17.21 || 31.15 40.69 36.31 | 30.08 39.47 34.62
0.00 0.00 0.00 || 5.90 12.03 18.24 | 5.59 11.46 17.09 || 25.50 39.35 36.06 | 24.63 38.18 34.39
0.00 0.00 0.00 || 4.83 11.63 18.12 | 4.57 11.09 16.97 || 20.88 38.07 35.81 | 20.17 36.93 34.15
0.00 0.00 0.00 || 3.95 11.25 17.99 | 3.74 10.72 16.86 || 17.10 36.82 35.57 | 16.52 35.72 33.92
0.00 0.00 0.00 || 3.24 10.88 17.87 | 3.06 10.37 16.74 || 14.00 35.62 35.33 | 13.52 34.55 33.68
0.00 0.00 0.00 || 2.65 10.53 17.75 | 2.51 10.03 16.63 || 11.46 34.45 35.08 | 11.07 33.42 33.45
^CExit
28.32 11.97 3.03 || 0.00 1.05 1.65 | 0.00 0.85 1.33 || 0.55 7.79 7.21 | 0.54 7.52 6.80
29.53 12.72 3.25 || 0.00 1.01 1.64 | 0.00 0.82 1.32 || 0.81 7.60 7.17 | 0.44 7.27 6.76
29.80 13.32 3.44 || 0.00 0.98 1.63 | 0.00 0.79 1.31 || 0.66 7.35 7.12 | 0.36 7.03 6.71
29.83 13.86 3.62 || 0.00 0.95 1.62 | 0.00 0.77 1.30 || 0.54 7.11 7.08 | 0.30 6.80 6.66
29.86 14.39 3.80 || 0.00 0.91 1.60 | 0.00 0.74 1.29 || 0.44 6.88 7.03 | 0.24 6.58 6.62
30.07 14.94 3.99 || 0.00 0.88 1.59 | 0.00 0.72 1.28 || 0.36 6.65 6.98 | 0.20 6.36 6.57
^C
Peak values: avg10 avg60 avg300
----------- ------ ------ ------
some cpu 30.07 14.94 3.99
----------- ------ ------ ------
some memory 0.00 1.05 1.65
full memory 0.00 0.85 1.33
----------- ------ ------ ------
some io 0.81 7.79 7.21
full io 0.54 7.52 6.80
```
</details>