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Bug #3347
openpctrack fails with kvm_nlist: No such file or directory
Description
As reported by kworr, it seems pctrack(8) does not work:
# pctrack pctrack: kvm_nlist: No such file or directory
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Added by tuxillo over 1 year ago. Updated over 1 year ago.
Description
As reported by kworr, it seems pctrack(8) does not work:
# pctrack pctrack: kvm_nlist: No such file or directory
It only works for kernels built with DEBUG_PCTRACK. The program itself should warn instead of just spit that error.
Definitely works when kernel is buitl with DEBUG_PCTRACK:
root@dev01:~ # pctrack -s -c 1 CPU 1 SYSTEM: 0x0 0x0 0x0 0x0 0x0 h2_XXH64+96 hammer2_chain_lock+160 memmove+266 vm_page_lookup+125 vm_page_lookup+125 vm_page_lookup+125 vm_page_hash_get+117 calltrap+1 syscall2+191 vm_object_hold+13 pv_placemarker_wakeup.isra.15+10 pmap_scan_callback+523 h2_XXH64+96 pv_placemarker_wakeup.isra.15+10 calltrap+1 vtpci_notify_virtqueue+38 vtpci_notify_virtqueue+38 calltrap+1 vm_page_alloc+3959 vm_fault_object+1198 calltrap+1 calltrap+1 lwkt_gettoken+677 memmove+266 memmove+266 lwkt_gettoken+677 lwkt_gettoken+677