X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/db6096698656d32db7df630594bd9617ee54f828..2dced7af2b695f87fe26496a3e73c219b7880cbc:/bsd/dev/i386/sysctl.c diff --git a/bsd/dev/i386/sysctl.c b/bsd/dev/i386/sysctl.c index ddc9503e3..06e938975 100644 --- a/bsd/dev/i386/sysctl.c +++ b/bsd/dev/i386/sysctl.c @@ -33,11 +33,13 @@ #include #include #include +#include #include #include #include #include + static int _i386_cpu_info SYSCTL_HANDLER_ARGS { @@ -496,9 +498,15 @@ SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0, SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, - (void *)offsetof(cpuid_xsave_leaf_t, extended_state), + (void *) 0, + sizeof(cpuid_xsave_leaf_t), + cpu_xsave, "IU", "XSAVE Extended State Main Leaf"); + +SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *) sizeof(cpuid_xsave_leaf_t), sizeof(cpuid_xsave_leaf_t), - cpu_xsave, "IU", "XSAVE Extended State"); + cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1"); SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0, @@ -679,17 +687,32 @@ SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max, cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)"); SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate, - CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, + CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0, cpu_ucode_update, "S", "Microcode update interface"); +SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0, + "TSC/CCC frequency information"); + +SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator), + sizeof(uint32_t), + i386_cpu_info, "I", "Numerator of TSC/CCC ratio"); + +SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED, + (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator), + sizeof(uint32_t), + i386_cpu_info, "I", "Denominator of TSC/CCC ratio"); + static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT); static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT); SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0, "Interrupt vector assignments"); -SYSCTL_UINT (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_timer_vector, 0, ""); -SYSCTL_UINT (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_IPI_vector, 0, ""); +SYSCTL_UINT (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, ""); +SYSCTL_UINT (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, ""); uint64_t pmap_pv_hashlist_walks; uint64_t pmap_pv_hashlist_cnts; @@ -730,7 +753,30 @@ SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmwa SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters"); -SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency, CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, ""); +SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency, + CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, ""); + +extern uint32_t deep_idle_rebase; +SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase, + CTLFLAG_RW|CTLFLAG_KERN|CTLFLAG_LOCKED, &deep_idle_rebase, 0, ""); + +SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime, + CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion"); +SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), ""); +SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, ""); +SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation, + CTLFLAG_RD | CTLFLAG_LOCKED, + __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, ""); SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Miscellaneous x86 kernel parameters"); @@ -750,3 +796,87 @@ SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic, 0, 0, misc_machine_check_panic, "A", "Machine-check exception test"); +#if DEVELOPMENT || DEBUG +SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &reportphyreaddelayabs, ""); +SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &reportphyreadosbt, 0, ""); +#endif + +extern void timer_queue_trace_cpu(int); +static int +misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int changed = 0, error; + char buf[128]; + buf[0] = '\0'; + + error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed); + + if (error == 0 && changed) { + timer_queue_trace_cpu(0); + } + return error; +} + +SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace, + CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + misc_timer_queue_trace, "A", "Cut timer queue tracepoint"); + +extern long NMI_count; +extern void NMI_cpus(void); +static int +misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) +{ + int new = 0, old = 0, changed = 0, error; + + old = NMI_count; + + error = sysctl_io_number(req, old, sizeof(int), &new, &changed); + if (error == 0 && changed) { + NMI_cpus(); + } + + return error; +} + +SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis, + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED, + 0, 0, + misc_nmis, "I", "Report/increment NMI count"); + +/* Parameters related to timer coalescing tuning, to be replaced + * with a dedicated systemcall in the future. + */ +/* Enable processing pending timers in the context of any other interrupt */ +SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &interrupt_timer_coalescing_enabled, 0, ""); +/* Upon entering idle, process pending timers with HW deadlines + * this far in the future. + */ +SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &idle_entry_timer_processing_hdeadline_threshold, 0, ""); + +/* Track potentially expensive eager timer evaluations on QoS tier + * switches. + */ +extern uint32_t ml_timer_eager_evaluations; + +SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &ml_timer_eager_evaluations, 0, ""); + +extern uint64_t ml_timer_eager_evaluation_max; + +SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &ml_timer_eager_evaluation_max, ""); +extern uint64_t x86_isr_fp_simd_use; +SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses, + CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED, + &x86_isr_fp_simd_use, "");