----- Original Message ----- > Hi, > > Here is a scenario in which three structures (of type 'struct > anon_vma_chain') are linked with the element 'struct list_head > same_anon_vma'. Please check the following structure. > > crash> struct anon_vma_chain -o > struct anon_vma_chain { > [0] struct vm_area_struct *vma; > [4] struct anon_vma *anon_vma; > [8] struct list_head same_vma; > [16] struct list_head same_anon_vma; > } > SIZE: 24 > > The following are the three structures that are linked: > > crash> anon_vma_chain -l anon_vma_chain.same_anon_vma 0xe4315510 > struct anon_vma_chain { > vma = 0xe43144f0, > anon_vma = 0xe49e2d98, > same_vma = { > next = 0xe4314528, > prev = 0xe43154f0 > }, > same_anon_vma = { > next = 0xe4fe4f60, > prev = 0xe4e833a8 > } > } > > same_anon_vma.next=0xe4fe4f60 from the previous structure, is used to > extract the next structure. > > crash> anon_vma_chain -l anon_vma_chain.same_anon_vma 0xe4fe4f60 > struct anon_vma_chain { > vma = 0xe4fe85f8, > anon_vma = 0xe49e2d98, > same_vma = { > next = 0xe4fe8630, > prev = 0xe4fe4f40 > }, > same_anon_vma = { > next = 0xe45a1df8, > prev = 0xe4315510 > } > } > > > same_anon_vma.next=0xe45a1df8 from the previous structure, is used to > extract the next structure. > > crash> anon_vma_chain -l anon_vma_chain.same_anon_vma 0xe45a1df8 > struct anon_vma_chain { > vma = 0xe45a73e8, > anon_vma = 0xe49e2d98, > same_vma = { > next = 0xe45a7420, > prev = 0xe45a1dd8 > }, > same_anon_vma = { > next = 0xe461fb40, > prev = 0xe4fe4f60 > } > } > > Is there something like "anon_vma_chain -l > anon_vma_chain.same_anon_vma 0xe4315510 -c 3" to get three structures > that are linked using anon_vma_chain.same_anon_vma. Actually > "anon_vma_chain -l anon_vma_chain.same_anon_vma 0xe4315510 -c 3" > doesn't work in this case. It seems like -c option works only in case > of array of structures. Could someone help me to print the above > three > structures with a single command? > > Thanks, > Yogesh Check out the "list" command, and use its -s option to print each structure in the list. Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility