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-rw-r--r--doc/check-health.md21
1 files changed, 14 insertions, 7 deletions
diff --git a/doc/check-health.md b/doc/check-health.md
index b498998..3b0c4ae 100644
--- a/doc/check-health.md
+++ b/doc/check-health.md
@@ -13,14 +13,16 @@ This script is run from scheduler periodically, sending notification on
health related events:
* high CPU load
+* low available free RAM
* voltage jumps up or down more than configured threshold or drops below limit
* power supply failed or recovered
* temperature is above or below threshold
Note that bad initial state will not trigger an event.
-Monitoring CPU load works on all devices. Other than that only sensors
-available in hardware can be checked. See what your hardware supports:
+Monitoring CPU load and available free RAM works on all devices. Other
+than that only sensors available in hardware can be checked. See what your
+hardware supports:
/system/health/print;
@@ -31,19 +33,24 @@ available in hardware can be checked. See what your hardware supports:
![check-health notification cpu load high](check-health.d/notification-01-cpu-load-high.avif)
![check-health notification cpu load ok](check-health.d/notification-02-cpu-load-ok.avif)
+#### Available free RAM
+
+![check-health notification free ram low](check-health.d/notification-03-free-ram-low.avif)
+![check-health notification free ram ok](check-health.d/notification-04-free-ram-ok.avif)
+
#### Voltage
-![check-health notification voltage](check-health.d/notification-03-voltage.avif)
+![check-health notification voltage](check-health.d/notification-05-voltage.avif)
#### Temperature
-![check-health notification temperature high](check-health.d/notification-04-temperature-high.avif)
-![check-health notification temperature ok](check-health.d/notification-05-temperature-ok.avif)
+![check-health notification temperature high](check-health.d/notification-06-temperature-high.avif)
+![check-health notification temperature ok](check-health.d/notification-07-temperature-ok.avif)
#### PSU state
-![check-health notification psu fail](check-health.d/notification-06-psu-fail.avif)
-![check-health notification psu ok](check-health.d/notification-07-psu-ok.avif)
+![check-health notification psu fail](check-health.d/notification-08-psu-fail.avif)
+![check-health notification psu ok](check-health.d/notification-09-psu-ok.avif)
Requirements and installation
-----------------------------