Hello Daniel and Sven-Thorsten Dietrich, Can you please let me know the procedure of : 1. high resolution timers from userspace 2. ingo's irq latency timing and tracing I will also try these methods and try to compare the performance numbers. Thanks you, Jaswinder Singh. On 10/25/07, Sven-Thorsten Dietrich <sven@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 2007-10-24 at 12:52 -0700, Daniel Walker wrote: > > On Sat, 2007-10-20 at 12:06 +0530, Jaswinder Singh wrote: > > > hello all, > > > > > > On my Intel Pentium 4 with linux-2.6.23-rc8-rt1, I am getting : > > > > > > Interrupt Latency result > > > ------------------------ > > > MAX latency : 12.570 micro-seconds > > > MIN latency : 3.352 micro-seconds > > > AVG latency : 4.190 micro-seconds > > > Total Samples : 32583 > > > > > > Please review this interrupt latency module and give your feedback. > > > > Have you noticed there is at least one other way to measure this with > > existing tools? With high resolution timers you could do this from > > userspace.. > > Not to mention of course ingo's irq latency timing and tracing, which > works more comprehensively. > > > > > Daniel > > > > - > > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > - > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
