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From: Simon Huelck <simonmail@gmx.de>
To: Jose Abreu <jose.abreu@synopsys.com>,
	Sebastian Gottschall <s.gottschall@newmedia-net.de>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-amlogic@lists.infradead.org, Gpeppe.cavallaro@st.com,
	alexandre.torgue@st.com,
	Emiliano Ingrassia <ingrassia@epigenesys.com>,
	netdev@vger.kernel.org
Subject: Re: stmmac / meson8b-dwmac
Date: Wed, 27 Feb 2019 22:03:47 +0100	[thread overview]
Message-ID: <c07935ec-80b7-50f5-b96b-150ea7bcee1a@gmx.de> (raw)
In-Reply-To: <c21c30e9-e53e-02a5-c367-25898c4614e9@synopsys.com>

Hi,


i got another question about NAPI and irq assignment.


my ethernet IRQ is assigned to CPU3:

           CPU0       CPU1       CPU2       CPU3
  1:          0          0          0          0     GICv2  25 Level    
vgic
  3:    7265279    3145278    4626601    2454147     GICv2  30 Level    
arch_timer
  4:          0          0          0          0     GICv2  27 Level    
kvm guest vtimer
  6:          0          0          0          0     GICv2 169 Level    
arm-pmu
  7:          0          0          0          0     GICv2 170 Level    
arm-pmu
  8:          0          0          0          0     GICv2 185 Level    
arm-pmu
  9:          0          0          0          0     GICv2 186 Level    
arm-pmu
 10:          0          0          0          0     GICv2  53 Edge     
c1108500.i2c
 11:          3          0          0          0     GICv2 105 Edge     
c1108680.adc
 13:       1229          0          0          0     GICv2 225 Edge     
ttyAML0
 14:        334          0          0          0     GICv2 228 Edge     
c8100580.ir
 --> 18:        498          0     104034   19348144     GICv2  40
Level     eth0
 19:       4500     331407          0          0     GICv2 249 Edge     
d0072000.mmc
 20:         13          0          0          0     GICv2 250 Edge     
d0074000.mmc
 31:          0          0          0          0     GICv2  35 Edge     
meson
 32:          0          0          0          0     GICv2  89 Edge     
dw_hdmi_top_irq, c883a000.hdmi-tx
 34:     140014          0 2264814045          0     GICv2  63 Level    
c9100000.usb, dwc2_hsotg:usb1
IPI0:   3195735    3384376    2748050    4076544       Rescheduling
interrupts
IPI1:   1683557     683651   15136522        135       Function call
interrupts
IPI2:         0          0          0          0       CPU stop interrupts
IPI3:         0          0          0          0       CPU stop (for
crash dump) interrupts
IPI4:         0          0          0          0       Timer broadcast
interrupts
IPI5:         6         20        517          0       IRQ work interrupts
IPI6:         0          0          0          0       CPU wake-up
interrupts
Err:          0



but when checking the softirqs i see that work is distributed over all
CPUs, is this normal ?

                    CPU0       CPU1       CPU2       CPU3
          HI:          0          0          0          1
       TIMER:    6513467    1258789    1058072    2181809
      NET_TX:     574886     708816    1820739     140379
      NET_RX:    1882454     920141   15537594   34834596
       BLOCK:       3369      14936       3008       2389
    IRQ_POLL:          0          0          0          0
     TASKLET:     512404     626201   20054827     192419
       SCHED:    5946453    1067624     777568    1916812
     HRTIMER:          0          0          0          0
         RCU:    1934215     719530     867003     876727


regards,

Simon


  parent reply	other threads:[~2019-02-27 21:04 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <a38e643c-ed9f-c306-cc95-84f70ebc1f10@gmx.de>
     [not found] ` <CAFBinCDebPOsmrhSXecx48nGWHh7g_OGPbr1Y0M+n_v9Ht91ew@mail.gmail.com>
2019-01-17 21:23   ` stmmac / meson8b-dwmac Simon Huelck
2019-02-04 14:34     ` Martin Blumenstingl
2019-02-06 10:36       ` Emiliano Ingrassia
2019-02-06 18:04         ` Simon Huelck
2019-02-06 21:21         ` Simon Huelck
2019-02-07 19:30         ` Simon Huelck
2019-02-09  1:09           ` Martin Blumenstingl
2019-02-11 13:44             ` Jose Abreu
2019-02-14  7:21               ` Simon Huelck
2019-02-17 14:48               ` Martin Blumenstingl
2019-02-17 19:13                 ` Simon Huelck
2019-02-18  8:42                 ` Jose Abreu
2019-02-18  8:45                   ` Jose Abreu
2019-02-18 12:33                     ` Simon Huelck
2019-02-18 12:41                       ` Jose Abreu
2019-02-18 13:02                         ` Jose Abreu
2019-02-18 15:29                           ` Simon Huelck
2019-02-18 15:31                             ` Jose Abreu
2019-02-18 15:53                               ` Simon Huelck
2019-02-18 16:26                                 ` Jose Abreu
2019-02-18 16:40                                   ` Simon Huelck
2019-02-18 16:43                                     ` Jose Abreu
2019-02-18 16:51                                       ` Simon Huelck
2019-02-18 17:05                                         ` Jose Abreu
2019-02-18 18:05                                           ` Simon Huelck
2019-02-19  8:47                                             ` Jose Abreu
2019-02-19 19:41                                               ` Simon Huelck
2019-02-21 14:21                                                 ` Jerome Brunet
2019-02-21 17:27                                                   ` Simon Huelck
2019-02-21 17:46                                                     ` Jerome Brunet
2019-02-21 19:34                                                       ` Simon Huelck
2019-02-22 17:21                                                         ` Anand Moon
2019-02-24 15:00                                                       ` Simon Huelck
2019-02-24 15:02                                                         ` Simon Huelck
2019-02-24 19:42                                                         ` Sebastian Gottschall
2019-02-24 20:34                                                           ` Simon Huelck
2019-02-27 11:09                                                             ` Jose Abreu
2019-02-27 19:02                                                               ` Simon Huelck
2019-03-01  9:23                                                                 ` Jose Abreu
2019-03-05  9:55                                                                   ` Simon Huelck
2019-03-06 11:35                                                                     ` Simon Huelck
2019-03-06 11:45                                                                       ` Simon Huelck
2019-05-11 14:53                                                                   ` Simon Huelck
2019-05-13  9:07                                                                     ` Jose Abreu
2019-05-22 12:48                                                                       ` Simon Huelck
2019-05-22 14:02                                                                       ` Neil Armstrong
2019-02-27 21:03                                                               ` Simon Huelck [this message]
2019-02-18 17:05                                       ` Simon Huelck

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