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SystemInfo.CPULoad

Queries system load statistics.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
SystemInfo 10.5 Yes No Yes, macOS only No Yes
MBS( "SystemInfo.CPULoad" )   More

Parameters

none

Result

Returns JSON or error.

Description

Queries system load statistics.
Returns a JSON with entries for system, user and idle. Those counters count up, so you may need to query several times and check deltas.

Examples

Query system load on macOS:

MBS( "SystemInfo.CPULoad" )

Example result:
{
"system" : 54822806,
"nice" : 0,
"idle" : 1143567712,
"user" : 78572673
}

Query CPU Load:

Let(
[
// query load
r1 = MBS( "SystemInfo.CPULoad" );

// separate values
system1 = JSONGetElement ( r1; "system" );
idle1 = JSONGetElement ( r1; "idle" );
user1 = JSONGetElement ( r1; "user" );
total1 = user1+idle1+user1;

// make a 0.5 second pause
t = MBS("Time.Sleep"; 500);

// now query again
r2 = MBS( "SystemInfo.CPULoad" );

// separate values
system2 = JSONGetElement ( r2; "system" );
idle2 = JSONGetElement ( r2; "idle" );
user2 = JSONGetElement ( r2; "user" );
total2 = user2+idle2+user2;

// calculate deltas
deltaTotal = total2 - total1;
deltaSystem = system2 - system1;
deltaIdle = idle2 - idle1;
deltaUser = user2 - user1;

// and calculate the percentage used
load = (deltaSystem+deltaUser) / deltaTotal
]; load)

See also

Release notes

  • Version 10.5
    • Added SystemInfo.CPULoad function.

Created 12nd October 2020, last changed 12nd October 2020


SystemInfo.CPUBrandString   -   SystemInfo.ComputerName

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