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Date: Fri, 06 Mar 2009 01:31:55 +0530 From: Jaswinder Singh Rajput <jaswinder@...nel.org> To: Ingo Molnar <mingo@...e.hu> Cc: Peter Zijlstra <peterz@...radead.org>, Paul Mackerras <paulus@...ba.org>, lkml <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] perfcounters: IRQ and NMI support on AMD CPUs On Thu, 2009-03-05 at 20:41 +0100, Ingo Molnar wrote: > * Peter Zijlstra <peterz@...radead.org> wrote: > > > On Fri, 2009-03-06 at 00:26 +0530, Jaswinder Singh Rajput wrote: > > > > > But kerneltop is still not working and I am not getting any NMI Interrupts. > > > > Does the below work for you? > > > > The BKGD suggests its 48 for all existing machines (it > > certainly is for mine). > > Yeah, this did the trick on AMD/Barcelona! > Nice. but on my AMD box I got interrupts and NMI for some time: NMI: 100 1108209 Non-maskable interrupts LOC: 213 192815 Local timer interrupts CNT: 100 1108206 Performance counter interrupts RES: 21132 20397 Rescheduling interrupts but kerneltop does not show anything, it only shows # irqs/sec for some time and then irqs also become 0. Here is demg: kerneltop [ 196.677297] Uhhuh. NMI received for unknown reason 00 on CPU 1. [ 196.677297] Do you have a strange power saving mode enabled? [ 196.677297] Dazed and confused, but trying to continue [ 198.854293] PERFMON: max interrupts exceeded! [ 198.865302] PERFMON: max interrupts exceeded! [ 198.866304] PERFMON: max interrupts exceeded! [ 206.066271] PERFMON: max interrupts exceeded! [ 206.067304] PERFMON: max interrupts exceeded! [ 206.068265] PERFMON: max interrupts exceeded! [ 211.176291] PERFMON: max interrupts exceeded! [ 211.177302] PERFMON: max interrupts exceeded! [ 211.235304] PERFMON: max interrupts exceeded! [ 211.236296] PERFMON: max interrupts exceeded! [ 214.245302] PERFMON: max interrupts exceeded! [ 225.257276] PERFMON: max interrupts exceeded! [ 225.258271] PERFMON: max interrupts exceeded! [ 297.385301] PERFMON: max interrupts exceeded! [ 297.386290] PERFMON: max interrupts exceeded! [ 310.405304] PERFMON: max interrupts exceeded! [ 392.677261] Uhhuh. NMI received for unknown reason 00 on CPU 1. [ 392.677261] Do you have a strange power saving mode enabled? [ 392.677261] Dazed and confused, but trying to continue [ 394.837275] PERFMON: max interrupts exceeded! [ 394.848268] PERFMON: max interrupts exceeded! [ 394.849266] PERFMON: max interrupts exceeded! [ 396.891309] PERFMON: max interrupts exceeded! [ 396.892294] PERFMON: max interrupts exceeded! [ 397.415302] PERFMON: max interrupts exceeded! [ 397.594299] PERFMON: max interrupts exceeded! [ 398.395302] PERFMON: max interrupts exceeded! [ 398.919304] PERFMON: max interrupts exceeded! [ 403.839309] __ratelimit: 1 callbacks suppressed [ 403.839319] PERFMON: max interrupts exceeded! [ 403.840302] PERFMON: max interrupts exceeded! [ 403.841298] PERFMON: max interrupts exceeded! [ 403.842297] PERFMON: max interrupts exceeded! [ 403.843267] PERFMON: max interrupts exceeded! [ 403.853303] PERFMON: max interrupts exceeded! [ 403.854290] PERFMON: max interrupts exceeded! [ 403.855301] PERFMON: max interrupts exceeded! [ 403.857301] PERFMON: max interrupts exceeded! [ 403.858304] PERFMON: max interrupts exceeded! [ 409.097310] __ratelimit: 13 callbacks suppressed [ 409.097321] PERFMON: max interrupts exceeded! [ 409.098299] PERFMON: max interrupts exceeded! [ 411.138303] PERFMON: max interrupts exceeded! [ 413.177301] PERFMON: max interrupts exceeded! [ 413.178289] PERFMON: max interrupts exceeded! [ 414.442311] PERFMON: max interrupts exceeded! [ 415.217304] PERFMON: max interrupts exceeded! [ 415.218291] PERFMON: max interrupts exceeded! [ 417.257307] PERFMON: max interrupts exceeded! [ 417.258294] PERFMON: max interrupts exceeded! [ 418.585295] PERFMON: max interrupts exceeded! [ 418.600293] PERFMON: max interrupts exceeded! [ 427.436301] PERFMON: max interrupts exceeded! [ 427.437307] PERFMON: max interrupts exceeded! [ 429.477269] PERFMON: max interrupts exceeded! [ 429.479264] PERFMON: max interrupts exceeded! [ 431.514269] PERFMON: max interrupts exceeded! [ 431.516294] PERFMON: max interrupts exceeded! [ 433.557303] PERFMON: max interrupts exceeded! [ 433.558290] PERFMON: max interrupts exceeded! [ 435.585305] PERFMON: max interrupts exceeded! [ 435.586291] PERFMON: max interrupts exceeded! [ 435.620276] PERFMON: max interrupts exceeded! [ 437.619294] PERFMON: max interrupts exceeded! [ 437.620295] PERFMON: max interrupts exceeded! [ 437.621289] PERFMON: max interrupts exceeded! [ 437.622290] PERFMON: max interrupts exceeded! [ 439.637302] PERFMON: max interrupts exceeded! [ 439.638291] PERFMON: max interrupts exceeded! [ 439.645301] PERFMON: max interrupts exceeded! [ 439.646298] PERFMON: max interrupts exceeded! [ 441.684302] PERFMON: max interrupts exceeded! [ 441.685298] PERFMON: max interrupts exceeded! [ 456.974308] PERFMON: max interrupts exceeded! [ 466.542303] PERFMON: max interrupts exceeded! [ 468.924294] PERFMON: max interrupts exceeded! [ 471.246282] PERFMON: max interrupts exceeded! [ 471.257269] PERFMON: max interrupts exceeded! [ 471.258268] PERFMON: max interrupts exceeded! [ 473.295297] PERFMON: max interrupts exceeded! [ 473.296301] PERFMON: max interrupts exceeded! [ 475.312292] PERFMON: max interrupts exceeded! [ 475.323302] PERFMON: max interrupts exceeded! [ 475.324302] PERFMON: max interrupts exceeded! [ 477.346303] PERFMON: max interrupts exceeded! [ 477.347300] PERFMON: max interrupts exceeded! [ 479.381303] PERFMON: max interrupts exceeded! [ 480.685269] PERFMON: max interrupts exceeded! [ 480.686270] PERFMON: max interrupts exceeded! [ 481.405307] PERFMON: max interrupts exceeded! [ 483.425304] PERFMON: max interrupts exceeded! [ 483.426291] PERFMON: max interrupts exceeded! [ 485.461306] PERFMON: max interrupts exceeded! [ 485.462293] PERFMON: max interrupts exceeded! [ 487.499304] PERFMON: max interrupts exceeded! [ 487.500290] PERFMON: max interrupts exceeded! [ 489.524279] PERFMON: max interrupts exceeded! [ 491.546304] PERFMON: max interrupts exceeded! [ 491.547292] PERFMON: max interrupts exceeded! [ 491.548285] PERFMON: max interrupts exceeded! [ 493.581307] PERFMON: max interrupts exceeded! [ 493.582301] PERFMON: max interrupts exceeded! [ 495.605303] PERFMON: max interrupts exceeded! [ 495.606311] PERFMON: max interrupts exceeded! [ 497.641303] PERFMON: max interrupts exceeded! [ 499.665303] PERFMON: max interrupts exceeded! [ 499.666325] PERFMON: max interrupts exceeded! [ 501.699295] PERFMON: max interrupts exceeded! [ 501.700301] PERFMON: max interrupts exceeded! [ 503.715304] PERFMON: max interrupts exceeded! [ 503.716292] PERFMON: max interrupts exceeded! [ 503.717309] PERFMON: max interrupts exceeded! [ 503.725302] PERFMON: max interrupts exceeded! [ 505.748271] PERFMON: max interrupts exceeded! [ 505.749382] PERFMON: max interrupts exceeded! [ 507.782304] PERFMON: max interrupts exceeded! [ 507.783291] PERFMON: max interrupts exceeded! [ 509.804303] PERFMON: max interrupts exceeded! [ 509.805302] PERFMON: max interrupts exceeded! [ 511.840303] PERFMON: max interrupts exceeded! [ 511.841299] PERFMON: max interrupts exceeded! [ 515.565261] Uhhuh. NMI received for unknown reason 00 on CPU 1. [ 515.565261] Do you have a strange power saving mode enabled? [ 515.565261] Dazed and confused, but trying to continue [ 515.569284] PERFMON: max interrupts exceeded! [ 515.570372] PERFMON: max interrupts exceeded! [ 515.571355] PERFMON: max interrupts exceeded! [ 515.574304] PERFMON: max interrupts exceeded! [ 515.575287] PERFMON: max interrupts exceeded! [ 515.576283] PERFMON: max interrupts exceeded! [ 515.577289] PERFMON: max interrupts exceeded! [ 515.579318] PERFMON: max interrupts exceeded! [ 516.948088] __ratelimit: 113 callbacks suppressed [ 516.948118] PERFMON: max interrupts exceeded! [ 516.951315] PERFMON: max interrupts exceeded! [ 516.952298] PERFMON: max interrupts exceeded! [ 516.953315] PERFMON: max interrupts exceeded! [ 516.954406] PERFMON: max interrupts exceeded! [ 516.955390] PERFMON: max interrupts exceeded! [ 516.956336] PERFMON: max interrupts exceeded! [ 516.957277] PERFMON: max interrupts exceeded! [ 516.958285] PERFMON: max interrupts exceeded! [ 516.959313] PERFMON: max interrupts exceeded! [ 522.039265] __ratelimit: 248 callbacks suppressed [ 522.039294] PERFMON: max interrupts exceeded! [ 522.040321] PERFMON: max interrupts exceeded! [ 522.042299] PERFMON: max interrupts exceeded! [ 522.043287] PERFMON: max interrupts exceeded! [ 522.044277] PERFMON: max interrupts exceeded! [ 522.045299] PERFMON: max interrupts exceeded! [ 522.048017] PERFMON: max interrupts exceeded! [ 522.148095] PERFMON: max interrupts exceeded! [ 522.149279] PERFMON: max interrupts exceeded! [ 522.151350] PERFMON: max interrupts exceeded! [ 527.043304] __ratelimit: 1024 callbacks suppressed [ 527.043314] PERFMON: max interrupts exceeded! [ 527.044303] PERFMON: max interrupts exceeded! [ 527.045298] PERFMON: max interrupts exceeded! [ 527.046291] PERFMON: max interrupts exceeded! [ 527.047271] PERFMON: max interrupts exceeded! [ 527.048276] PERFMON: max interrupts exceeded! [ 527.049303] PERFMON: max interrupts exceeded! [ 527.052303] PERFMON: max interrupts exceeded! [ 527.053566] PERFMON: max interrupts exceeded! [ 527.054304] PERFMON: max interrupts exceeded! [ 532.049312] __ratelimit: 2191 callbacks suppressed [ 532.049321] PERFMON: max interrupts exceeded! [ 532.050303] PERFMON: max interrupts exceeded! [ 532.052298] PERFMON: max interrupts exceeded! [ 532.053305] PERFMON: max interrupts exceeded! [ 532.065291] PERFMON: max interrupts exceeded! [ 532.067263] PERFMON: max interrupts exceeded! [ 532.069299] PERFMON: max interrupts exceeded! [ 532.071300] PERFMON: max interrupts exceeded! [ 532.073311] PERFMON: max interrupts exceeded! [ 532.075302] PERFMON: max interrupts exceeded! [ 537.062306] __ratelimit: 1414 callbacks suppressed [ 537.062335] PERFMON: max interrupts exceeded! [ 537.063443] PERFMON: max interrupts exceeded! [ 537.066285] PERFMON: max interrupts exceeded! [ 537.067289] PERFMON: max interrupts exceeded! [ 537.068282] PERFMON: max interrupts exceeded! [ 537.069322] PERFMON: max interrupts exceeded! [ 537.071312] PERFMON: max interrupts exceeded! [ 537.072295] PERFMON: max interrupts exceeded! [ 537.073279] PERFMON: max interrupts exceeded! [ 537.074287] PERFMON: max interrupts exceeded! [root@...v5 new]# -- JSR -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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