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in place. To do per-cpu stats, convert all fields that previously were
maintained in the vmmeters that sit in pcpus to counter(9).
- Since some vmmeter stats may be touched at very early stages of boot,
before we have set up UMA and we can do counter_u64_alloc(), provide an
early counter mechanism:
o Leave one spare uint64_t in struct pcpu, named pc_early_dummy_counter.
o Point counter(9) fields of vmmeter to pcpu[0].pc_early_dummy_counter,
so that at early stages of boot, before counters are allocated we already
point to a counter that can be safely written to.
o For sparc64 that required a whole dummy pcpu[MAXCPU] array.
Further related changes:
- Don't include vmmeter.h into pcpu.h.
- vm.stats.vm.v_swappgsout and vm.stats.vm.v_swappgsin changed to 64-bit,
to match kernel representation.
- struct vmmeter hidden under _KERNEL, and only vmstat(1) is an exclusion.
This is based on benno@'s 4-year old patch:
https://lists.freebsd.org/pipermail/freebsd-arch/2013-July/014471.html
Reviewed by: kib, gallatin, marius, lidl
Differential Revision: https://reviews.freebsd.org/D10156
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| .. | ||
| pc | ||
| xen | ||
| _align.h | ||
| _bus.h | ||
| _inttypes.h | ||
| _limits.h | ||
| _stdint.h | ||
| _types.h | ||
| acpica_machdep.h | ||
| apm_bios.h | ||
| asm.h | ||
| asmacros.h | ||
| atomic.h | ||
| bus.h | ||
| bus_dma.h | ||
| clock.h | ||
| counter.h | ||
| cpu.h | ||
| cpufunc.h | ||
| cputypes.h | ||
| db_machdep.h | ||
| dump.h | ||
| efi.h | ||
| elf.h | ||
| endian.h | ||
| exec.h | ||
| fdt.h | ||
| float.h | ||
| floatingpoint.h | ||
| fpu.h | ||
| frame.h | ||
| gdb_machdep.h | ||
| ieeefp.h | ||
| in_cksum.h | ||
| intr_machdep.h | ||
| iodev.h | ||
| kdb.h | ||
| limits.h | ||
| md_var.h | ||
| memdev.h | ||
| metadata.h | ||
| minidump.h | ||
| mp_watchdog.h | ||
| nexusvar.h | ||
| npx.h | ||
| ofw_machdep.h | ||
| param.h | ||
| pcb.h | ||
| pci_cfgreg.h | ||
| pcpu.h | ||
| pmap.h | ||
| pmc_mdep.h | ||
| ppireg.h | ||
| proc.h | ||
| profile.h | ||
| psl.h | ||
| ptrace.h | ||
| pvclock.h | ||
| reg.h | ||
| reloc.h | ||
| resource.h | ||
| runq.h | ||
| segments.h | ||
| setjmp.h | ||
| sf_buf.h | ||
| sigframe.h | ||
| signal.h | ||
| smp.h | ||
| specialreg.h | ||
| stack.h | ||
| stdarg.h | ||
| sysarch.h | ||
| timerreg.h | ||
| trap.h | ||
| tss.h | ||
| ucontext.h | ||
| varargs.h | ||
| vdso.h | ||
| vm.h | ||
| vmm.h | ||
| vmm_dev.h | ||
| vmm_instruction_emul.h | ||
| vmparam.h | ||