Oh, and one more thing... Does the problem occur with SMP mode and only one card?
Mark On Thu, 12 Jun 2003, Alex Zarubin wrote: > Zaptel was compiled with -D__SMP__ > > We've installed irqbalance and the picture improved a lot > (thanks to Jared Smith). Do you still see problems in our /proc/interrupts? > > The big issue for us now is that after 24+ hours of the test load PRI->SIP > our Dell PE2650, dual 2.6 GHz Xeon, 2 Gb RAM, 2 T400P, 2.4.20-18.7smp #1 SMP > stops responding to anything. > > So the questions are: > - are there known issues with PE2650 and ways to fix them? > - can someone recommend the 'stable' 2.4 SMP kernel for this > kind of load? > - any expertise in this area will be appreciated > > CPU0 CPU1 CPU2 CPU3 > 0: 230710 30030 50050 0 IO-APIC-edge timer > 1: 5 0 0 233 IO-APIC-edge keyboard > 2: 0 0 0 0 XT-PIC cascade > 5: 0 0 0 0 IO-APIC-level usb-ohci > 8: 1 0 0 0 IO-APIC-edge rtc > 14: 27 0 2 0 IO-APIC-edge ide0 > 20: 2085442 400221 0 230232 IO-APIC-level tor2 > 24: 293848 1841658 10010 570568 IO-APIC-level tor2 > 28: 5 25643 0 0 IO-APIC-level eth0 > 29: 5 0 5165040 0 IO-APIC-level eth1 > 30: 43720 35467 1291 3296 IO-APIC-level aacraid > NMI: 0 0 0 0 > LOC: 310618 310616 310616 310616 > ERR: 0 > MIS: 0 > > Thank you. > Alex Zarubin > > -----Original Message----- > From: Martin Pycko [mailto:[EMAIL PROTECTED] > Sent: Tuesday, June 10, 2003 9:48 AM > To: '[EMAIL PROTECTED]' > Subject: Re: [Asterisk-Users] Dual T400P, SMP, performance issues > > > Are you sure that you compiled zaptel for __SMP__ ? > Edit your zaptel/Makefile. > > 0: 75283844 75241320 75286285 75247088 IO-APIC-edge timer > 1: 1 0 1 1 IO-APIC-edge keyboard > 2: 0 0 0 0 XT-PIC cascade > 3: 0 0 0 0 IO-APIC-level usb-ohci > 8: 1 0 0 0 IO-APIC-edge rtc > 15: 1 0 0 1 IO-APIC-edge ide1 > 16: 22134870 22120997 22135905 22122829 IO-APIC-level eth0 > 25: 4670 4548 4614 4518 IO-APIC-level tor2 > > All the four CPU's should have IRQ's like in the example above. > > Martin > > On Mon, 9 Jun 2003, Alex Zarubin wrote: > > > Hi, > > > > We are trying to validate Asterisk as a media gateway PRI <-> SIP with two > > T400P (8 T1s) per box. The first > > experience with BOX1 (Compaq, 2.53 GHz, 1 Gb RAM) and just one T400P was > > encouraging - on the load > > test with 3 T1s worth of calls we had on average 75% idle CPU. > > > > Not so with BOX2 (Dell, single 2.6 GHz Xeon, 1 Gb RAM, 2 T400P) and BOX3 > > (Dell, dual 2.6 GHz Xeon, > > 2 Gb RAM, 2 T400P, asterisk/zaptel is built with SMP support). > > > > On the similar load test (as with the BOX1) BOX2 was showing 0% idle CPU > 70% > > of the time. Just 3 T1s > > out of 8. > > > > On the load test with just 2 T1s BOX3 was very close to 0% idle on CPU0, > > CPU1 was at 95% idle. > > The process ksoftirqd_CPU0 was close to the top of the 'top', with > > /proc/interrupts showing tor2 related > > numbers growing very fast. We had 2 T1s plugged into the first T400P > board, > > with nothing going into the second, > > but the number of interrupts for the both boards was growing at the same > > pace. Here are the interrupts > > (after the box reboot, so they are not that big as they were) - do they > look > > OK? > > > > > > CPU0 CPU1 CPU2 CPU3 > > 0: 122556 0 0 0 IO-APIC-edge timer > > 1: 4 0 0 0 IO-APIC-edge keyboard > > 2: 0 0 0 0 XT-PIC cascade > > 5: 0 0 0 0 IO-APIC-level usb-ohci > > 8: 1 0 0 0 IO-APIC-edge rtc > > 12: 20 0 0 0 IO-APIC-edge PS/2 > Mouse > > 14: 23 0 2 0 IO-APIC-edge ide0 > > 20: 516930 0 0 0 IO-APIC-level tor2 > > 24: 516524 0 0 0 IO-APIC-level tor2 > > 28: 10600 0 0 0 IO-APIC-level eth0 > > 29: 4837 0 0 0 IO-APIC-level eth1 > > 30: 24831 0 0 0 IO-APIC-level aacraid > > NMI: 0 0 0 0 > > LOC: 122430 122429 122429 122428 > > ERR: 0 > > MIS: 0 > > > > Not sure what went wrong. Any suggestions on how to work with 2 T400P in a > > box (without hurting performance) > > and how to get advantage of SMP for Asterisk would be appreciated. > > > > Any known Linux kernel related issues (2.4.20-13.7smp #1 SMP for BOX3 )? > > > > Thank you. > > > > Alex Zarubin > > > > > > > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
