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. If you are not the intended recipient, or a person responsible > for delivering it to the intended recipient, you are hereby notified that any > disclosure, copying, distribution or use of any of the information contained > in or attached to this message is STRICTLY PROHIBITED. Interception of e-mail > is a crime under the Electronic Communications Privacy Act, 18 U.S.C. > 2510-2521 and 2107-2709. If you have received this transmission in error, > please immediately notify me by reply e-mail at > [email protected]<mailto:[email protected]> or by > telephone at +44 (0)1202 207397 and destroy the original transmission and its > attachments without reading them or saving them to disk. Thank you. > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]

