On Tue, Apr 11, 2006 at 08:22:15AM +0800, Oliver Yang wrote:
> Sorry for raising the question again, maybe my question is not very clear...
>
> Actually, I need check the general register's value for a specific CPU
> on MP system. But, it seems like ::regs couldn't meet my requirement.
> Does anybody know the other way?
Typically, you want to look at the trap frame on the active thread on the
CPU. I haven't done this on i386 in a while; can someone chime in with the
procedure?
On sparc, you just take the active thread on the cpu, do a ::findstack on it,
take the ktl0 frame address, and do:
addr::print struct frame fr_local[7] | ::print struct regs
Cheers,
- jonathan
> -------- Original Message --------
> Subject: [mdb-discuss] A question about ::regs
> Date: Sun, 09 Apr 2006 11:55:41 +0800
> From: Oliver Yang <Oliver.Yang at Sun.COM>
> To: mdb-discuss at opensolaris.org
>
>
>
> Hi,
>
> I have a question about how to get registers' value on a MP system.
>
> Now, I have 2P system, and I want to get registers' value for each of
> CPU. But you know, ::regs just can get only 1 CPU's general register
> value. How can I get another CPU's register value?
>
> >::cpuinfo -v
> ID ADDR FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD PROC
> 0 fec22eb4 1b 1 0 49 no no t-0 cca24800 Corrupt.auto
> | |
> RUNNING <--+ +--> PRI THREAD PROC
> READY 60 cba87de0 sched
> EXISTS
> ENABLE
>
> ID ADDR FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD PROC
> 1 cc1449c0 1f 0 0 59 no no t-0 d6d23800 Corrupt.auto
> |
> RUNNING <--+
> READY
> QUIESCED
> EXISTS
> ENABLE
>
> >::regs
> %cs = 0x0158 %eax = 0x60606060
> %ds = 0x0160 %ebx = 0xd6b9ebc0
> %ss = 0xfe95afdd %ecx = 0x60606060
> %es = 0xfe530160 %edx = 0xcca24800
> %fs = 0xccbd0000 %esi = 0x60606060
> %gs = 0x01b0 %edi = 0xccbd6d70
>
> %eip = 0xfe967901 fop_getpage+6
> %ebp = 0xccbd6cec
> %esp = 0xccbd6cd8
>
> %eflags = 0x00010246
> id=0 vip=0 vif=0 ac=0 vm=0 rf=1 nt=0 iopl=0x0
> status=<of,df,IF,tf,sf,ZF,af,PF,cf>
>
> %uesp = 0xccbd6d3c
> %trapno = 0xe
> %err = 0x0
> >
>
> _______________________________________________
> mdb-discuss mailing list
> mdb-discuss at opensolaris.org
>
> _______________________________________________
> mdb-discuss mailing list
> mdb-discuss at opensolaris.org
--
Jonathan Adams, Solaris Kernel Development
