Assuming that you are using the default timestamp - which is start time. (This is defined in jmeter.properties and logged in jmeter.log)
then you need minimum(timestamp) and maximum(timestamp + elapsed). If using end times, then you would need: minimum(timestamp-elapsed) and the maximum(timestamp) but that is not likely. On 07/01/2009, Woodcock, Simon <[email protected]> wrote: > Sebb, > > The results are logging to a .jtl file, the test is set to loop 'forever'. > > Could you explain in more detail what you mean by checking the 'min start > time' and the 'max end time'. > > Thanks, > > > > Simon. > > -----Original Message----- > From: sebb [mailto:[email protected]] > > Sent: 07 January 2009 15:06 > To: JMeter Users List > Subject: Re: Generate Summary Results - Incorrect Calculations? > > On 07/01/2009, Woodcock, Simon <[email protected]> wrote: > > Thanks for your prompt response Sebb. Apologies for the cross-post. > > > > So you are confident that results given ( requests per second ) for both > the interval and total times are accurate and that there are no known bugs in > this area? > > Reasonably so. > > If you have saved the individual results to a JTL file you can check > the overall results for yourself, by checking for the min start time > and the max end time. > > > Regards, > > > > > > Simon. > > > > > > -----Original Message----- > > From: sebb [mailto:[email protected]] > > Sent: 07 January 2009 14:29 > > To: JMeter Users List > > Subject: Re: Generate Summary Results - Incorrect Calculations? > > > > [Cross-post to JMeter-dev list removed] > > > > On 07/01/2009, Woodcock, Simon <[email protected]> wrote: > > > Help please . . > > > > > > I'm I misinterpreting the summary results? Take the following for > example . . > > > > > > Generate Summary Results + 127 in 14.4s = 8.8/s Avg: 122 Min: > 7 Max: 783 Err: 0 (0.00%) > > > Generate Summary Results + 7681 in 179.9s = 42.7/s Avg: 1269 Min: > 1 Max: 17388 Err: 0 (0.00%) > > > Generate Summary Results = 7808 in 194.3s = 40.2/s Avg: 1251 Min: > 1 Max: 17388 Err: 0 (0.00%) > > > Generate Summary Results + 10258 in 192.9s = 53.2/s Avg: 3589 Min: > 1 Max: 43845 Err: 3 (0.03%) > > > Generate Summary Results = 18066 in 374.3s = 48.3/s Avg: 2578 Min: > 1 Max: 43845 Err: 3 (0.02%) > > > Generate Summary Results + 11856 in 188.9s = 62.8/s Avg: 2683 Min: > 0 Max: 45321 Err: 6 (0.05%) > > > Generate Summary Results = 29922 in 554.4s = 54.0/s Avg: 2620 Min: > 0 Max: 45321 Err: 9 (0.03%) > > > > > > Total number of requests are an addition of requests made in each > interval - 127+7681+10258+11856 = 29922 > > > > Agreed. > > > > > Total time would then, you would assume, be an addition of each of the > interval times - 14.4+179.9+192.9+188.9 = 576.1s > > > > No, the total time is calculated independently from the first and last > > times seen. > > > > The variation is due to timer resolution. > > > > > However, total time seems to be calculated as - 14.4+180+180+180 = > 554.4s > > > > > > Where 180s is the default interval time. > > > > > > When calculating total request per second, the calculation is: > > > > > > 29922 / 554.4 = 53.97 requests per second > > > > > > As opposed to: > > > > > > 29922 / 576.1 = 51.94 requests per second > > > > > > Is there not a discrepancy in the total elapsed time and therefore the > requests per second or am I completely misunderstanding the results given? > > > > See above. > > > > > Any help clarifying this would be greatly appreciated. > > > > > > > > > Thanks in advance, > > > > > > > > > Simon. > > > > > > -- > > > Simon Woodcock > > > Staff Engineer / Manager > > > > > > QUALCOMM Poole Limited > > > Voyager House, 253-257 High Street North, Poole, Dorset, BH15 1DX UK > > > Tel: +44 (0)1202 440610, Fax: +44 (0)1202 440601 > > > www.qualcomm.com<http://www.qualcomm.com> > > > This e-mail transmission, and any documents, files or previous e-mail > messages attached to it, may contain confidential information that is legally > privileged. 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