Attachment 217711 Details for Bug 298811 – bad run - 16 gig of memory used by the machine

bad run - 16 gig of memory used by the machine

bad_16_gig.txt (text/plain), 1.74 KB, created by William Reich on 2007-10-05 17:16:23 UTC

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Creator: William Reich

Created: 2007-10-05 17:16:23 UTC

Size: 1.74 KB

patch

obsolete

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>                 bad run - 16gig of memory
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>Script started on Fri Oct  5 13:08:00 2007
>#

># stap  /export/home/omnitest/pci_alloc_consistent.stp

>
>
>dma_alloc_coherent: hi there 
>trace for 9061 (mount)
> 0xffffffff8012233c : kretprobe_trampoline+0x1/0x2 []
> 0xffffffff8012233b : kretprobe_trampoline+0x0/0x2 []
> 0xffffffffa059c06c : init_module+0x18106c/0x0 [nfs]
> 0xffffffffa04e813c : init_module+0xcd13c/0x0 [nfs]
> 0xffffffffa04e7f15 : init_module+0xccf15/0x0 [nfs]
> 0xffffffffa04e2cd1 : init_module+0xc7cd1/0x0 [nfs]
> 0xffffffffa04e7583 : init_module+0xcc583/0x0 [nfs]
> 0xffffffffa04e750b : init_module+0xcc50b/0x0 [nfs]
> 0xffffffff8017fa5d : get_sb_single+0x50/0x93 []
> 0xffffffff8017fb41 : do_kern_mount+0xa1/0x179 []
> 0xffffffff801951a0 : do_mount+0x69a/0x6e2 []
> 0xffffffff801ea749 : __up_read+0x10/0x8b []
> 0xffffffff80123ed3 : do_page_fault+0x23f/0x628 []
> 0xffffffff80169ca3 : handle_mm_fault+0x175/0x568 []
> 0xffffffff8018728a : __user_walk+0x5e/0x69 []
> 0xffffffff80195543 : sys_mount+0xba/0x158 []
> 0xffffffff8011026a : system_call+0x7e/0x83 []
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>dma_alloc_coherent: end 
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># exit

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>Script done on Fri Oct  5 13:11:16 2007
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>probe kernel.function("dma_alloc_coherent").return
>{
>        #printf(" address = 0x%x\n",$return);
>#        if (($return & ~($size)) != $return) {
>#               printf("INCORRECT MEMORY ALIGNMENT! ");
>#                printf("dma_alloc_coherent: size = 0x%x address = 0x%x\n",$size,$return);
>#                print_backtrace();
>#        } else {
>#                printf("dma_alloc_coherent: size = 0x%x address = 0x%x\n",$size,$return);
>#        }
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>         printf("\n\ndma_alloc_coherent: hi there \n") ;
>                print_backtrace();
>         printf("\ndma_alloc_coherent: end \n\n\n") ;
>
>
>}
>

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