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Found 2 results

  1. Some of the dashboard widgets in Logicmonitor such as Big Number Widget, Table Widget, etc., are not considering the selected time range or not displaying the results as per the selected time duration globally. Rather it is displaying the results only for the recent time, it may be called as `current timestamp`. Is there a way to show the results according the selected time range which we input to the dashboards?
  2. Haniz

    Time after (Up)time

    Time after (Up)time It’s one of the days that an unsung hero gets his chance to make a mark on the world.And who might this be? The floor function [x], also called the greatest integer function or integer value (Spanier and Oldham, 1987), gives the largest integer less than or equal to x. The floor function is not-normally implemented in the LM perspective – often brushed off, but it got its day when we had a user on chat who was looking on creating a dashboard which has server uptime in days instead of seconds. And so I tried devising a Big Number Widget that would include a virtual datapoint in it with the following calculation to display seconds into days: Fig1. Initial UptimeDays setup without the floor() function. UptimeSeconds/60/60/24 Where UptimeSeconds references a pre-calculated Complex Datapoint from the WinSystemUptime Datasource. Alas – this was not presenting days in a helpful manner. It was displaying days with a decimal point. Quoting from the chat : “that uptime display widget you created would be grand if it showed the days. it says 0,4 at the minute, does that meant 0.4 days?” And so we needed to figure on another method. A colleague of ours, a wizard from the magical realm of complex datapoints pointed out to us something powerful, that could display seconds, minutes and days even – And, with this, the second hand unwinds... By using the floor() function appended to the original expression – we could actually calculate: The day rounded to the nearest lowest integer. floor(UptimeSeconds/ 60/ 60 /24) For example if we had the result of 2.4 days from the UptimeSeconds/6000/60/24 calculation – it will present us the result as 2 – to the smallest following integer. Fig2. Complex Datapoints for Days, Hours and Minutes with the floor function And on the Hours Datapoint: floor((UptimeSeconds-(days*86400))/3600) Where 86400 represents the number of seconds in a day – 60 * 60 *24 = 86400. and 3600 represents the number of seconds in an hour - 60 * 60 =3600. This calculates the number of total hours (excluding the amount already converted and apportioned into the Days metric) , and again the floor function rounds the number hours to the smallest following integer. For example - 2.4 days - 0.4 is then carried over to the hours, which equates to 9.6 hours, and with the application of the floor function it will reflect 9 hours, with the balance of 0.6 hours to be calculated on the Minutes Datapoint. And lastly on the Minutes Datapoint: floor((UptimeSeconds-(days*86400)-(hours*3600))/60) Where 86400 represents the number of seconds in a day – 60 *60 *24 = 86400. and 3600 represents the number of seconds in an hour - 60 * 60 =3600. and 60 represents the number of seconds in a minute. This does the same again, number of total minutes excluding those previously factored in the days (*24) and and the hours (*60), rounded to the smallest following integer. And therefore, the floor() function has been very useful in this case to catch the Days, Hours and Minutes, have them precisely presented on the Big Number Widget - which the team could display on the dashboard to wait on -- Time after Time. Fig 3. Uptime Days,Hours and Minutes on the Big Number Widget References: https://www.logicmonitor.com/support/datasources/creating-managing-datasources/datapoint-expressions/ http://mathworld.wolfram.com/FloorFunction.html Credits to David Lee for pointing out on the powerful capabilities of the floor function.