Add ddb show dpcpu_off command to ease dpcpu memory debugging.
While show pcpu prints pc_dynamic this also prints the original memory address as well as the maths. Once dpcpu goes NUMA this is considered to help debugging as well. Reviewed by: rwatson Approved by: re
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=196132
@ -313,6 +313,18 @@ sysctl_dpcpu_int(SYSCTL_HANDLER_ARGS)
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}
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#ifdef DDB
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DB_SHOW_COMMAND(dpcpu_off, db_show_dpcpu_off)
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{
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int id;
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for (id = 0; id <= mp_maxid; id++) {
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if (CPU_ABSENT(id))
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continue;
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db_printf("dpcpu_off[%2d] = 0x%jx (+ DPCPU_START = %p)\n",
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id, (uintmax_t)dpcpu_off[id],
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(void *)(uintptr_t)(dpcpu_off[id] + DPCPU_START));
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}
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}
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static void
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show_pcpu(struct pcpu *pc)
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