Date: Mon, 11 Apr 2016 21:08:47 -0700 From: Peter Grehan <grehan@freebsd.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: -current host, 10.1 client loops Message-ID: <570C74CF.1080702@freebsd.org> In-Reply-To: <16580.1460397200@critter.freebsd.dk> References: <20918.1458052609@critter.freebsd.dk> <CAFgRE9HQyq9tsM8PNzCAzQ2AwKenstaELcn0VsYHG4wzK4fXsA@mail.gmail.com> <23329.1458077441@critter.freebsd.dk> <CAFgRE9HFVZFdA9f6itRQQAnKWvXPJi8ukFyhPxxsnNYk=d1pmg@mail.gmail.com> <28223.1458163559@critter.freebsd.dk> <CA%2Bq%2BTcpr8Dpo8E2WiQhFmD_nV_O8BA0PQ1O3a7%2B5kja%2BEYs4NA@mail.gmail.com> <723.1460154499@critter.freebsd.dk> <570B3604.8020500@freebsd.org> <16580.1460397200@critter.freebsd.dk>
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> CTRL-T in the console works ... > ==> _cpu_0 <== > rip[0] 0x00000000c0b14780 > rip[0] 0x00000000c0b14782 There are the RIPs that show when the system is idle. > ==> _cpu_2 <== > rip[2] 0x00000000c100feb0 This is the TLB shootdown loop: (kgdb) x/i 0xc100feb0 0xc100feb0 <smp_tlb_shootdown+176>: pause I'll try with a bit more CPU oversubscription and see if I can hit this. Thanks for the info - this should help track it down. later, Peter.
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