Displaying 1 result from an estimated 1 matches for "xc_call".
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cc_call
2012 Jun 06
24
Occasional storm of xcalls on segkmem_zio_free
...sr sys wt idl
31 0 0 102191 1 0 0 0 0 0 0 0 0 100
0 0
100% busy in the system processing cross-calls. When I tried dtracing
this issue, I found that this is the most likely culprit:
dtrace -n ''sysinfo:::xcalls {@[stack()]=count();}''
unix`xc_call+0x46
unix`hat_tlb_inval+0x283
unix`x86pte_inval+0xaa
unix`hat_pte_unmap+0xed
unix`hat_unload_callback+0x193
unix`hat_unload+0x41
unix`segkmem_free_vn+0x6f
unix`segkmem_zio_free+0x27
genunix`vmem_xfree+0x104
genunix`vmem_free+0x29
genunix`kmem_slab_destroy+0x87
genun...