X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..c7d2c2c6ee645e10cbccdd01c6191873ec77239d:/osfmk/kern/bsd_kern.c diff --git a/osfmk/kern/bsd_kern.c b/osfmk/kern/bsd_kern.c index 8d4f388ed..713466a53 100644 --- a/osfmk/kern/bsd_kern.c +++ b/osfmk/kern/bsd_kern.c @@ -35,7 +35,6 @@ #include #include #include -#include #include #include #include @@ -44,13 +43,14 @@ #include #include /* last */ #include +#include #undef thread_should_halt /* BSD KERN COMPONENT INTERFACE */ task_t bsd_init_task = TASK_NULL; -char init_task_failure_data[1024]; +boolean_t init_task_died; extern unsigned int not_in_kdp; /* Skip acquiring locks if we're in kdp */ thread_t get_firstthread(task_t); @@ -60,9 +60,15 @@ boolean_t current_thread_aborted(void); void task_act_iterate_wth_args(task_t, void(*)(thread_t, void *), void *); kern_return_t get_signalact(task_t , thread_t *, int); int get_vmsubmap_entries(vm_map_t, vm_object_offset_t, vm_object_offset_t); -void syscall_exit_funnelcheck(void); -int fill_task_rusage_v2(task_t task, struct rusage_info_v2 *ri); - +int fill_task_rusage(task_t task, rusage_info_current *ri); +int fill_task_io_rusage(task_t task, rusage_info_current *ri); +int fill_task_qos_rusage(task_t task, rusage_info_current *ri); +void fill_task_billed_usage(task_t task, rusage_info_current *ri); +void task_bsdtask_kill(task_t); + +#if MACH_BSD +extern void psignal(void *, int); +#endif /* * @@ -72,6 +78,13 @@ void *get_bsdtask_info(task_t t) return(t->bsd_info); } +void task_bsdtask_kill(task_t t) +{ + void * bsd_info = get_bsdtask_info(t); + if (bsd_info != NULL) { + psignal(bsd_info, SIGKILL); + } +} /* * */ @@ -226,9 +239,9 @@ ledger_t get_task_ledger(task_t t) /* * This is only safe to call from a thread executing in - * in the task's context or if the task is locked Otherwise, + * in the task's context or if the task is locked. Otherwise, * the map could be switched for the task (and freed) before - * we to return it here. + * we go to return it here. */ vm_map_t get_task_map(task_t t) { @@ -323,6 +336,10 @@ swap_task_map(task_t task, thread_t thread, vm_map_t map, boolean_t doswitch) /* * + * This is only safe to call from a thread executing in + * in the task's context or if the task is locked. Otherwise, + * the map could be switched for the task (and freed) before + * we go to return it here. */ pmap_t get_task_pmap(task_t t) { @@ -340,6 +357,45 @@ uint64_t get_task_resident_size(task_t task) return((uint64_t)pmap_resident_count(map->pmap) * PAGE_SIZE_64); } +uint64_t get_task_compressed(task_t task) +{ + vm_map_t map; + + map = (task == kernel_task) ? kernel_map: task->map; + return((uint64_t)pmap_compressed(map->pmap) * PAGE_SIZE_64); +} + +uint64_t get_task_resident_max(task_t task) +{ + vm_map_t map; + + map = (task == kernel_task) ? kernel_map: task->map; + return((uint64_t)pmap_resident_max(map->pmap) * PAGE_SIZE_64); +} + +uint64_t get_task_purgeable_size(task_t task) +{ + kern_return_t ret; + ledger_amount_t credit, debit; + uint64_t volatile_size = 0; + + ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_volatile, &credit, &debit); + if (ret != KERN_SUCCESS) { + return 0; + } + + volatile_size += (credit - debit); + + ret = ledger_get_entries(task->ledger, task_ledgers.purgeable_volatile_compressed, &credit, &debit); + if (ret != KERN_SUCCESS) { + return 0; + } + + volatile_size += (credit - debit); + + return volatile_size; +} + /* * */ @@ -372,13 +428,19 @@ uint64_t get_task_phys_footprint_max(task_t task) return 0; } -/* - * - */ -pmap_t get_map_pmap(vm_map_t map) +uint64_t get_task_cpu_time(task_t task) { - return(map->pmap); + kern_return_t ret; + ledger_amount_t credit, debit; + + ret = ledger_get_entries(task->ledger, task_ledgers.cpu_time, &credit, &debit); + if (KERN_SUCCESS == ret) { + return (credit - debit); + } + + return 0; } + /* * */ @@ -432,10 +494,11 @@ get_vmsubmap_entries( while((entry != vm_map_to_entry(map)) && (entry->vme_start < end)) { if(entry->is_sub_map) { total_entries += - get_vmsubmap_entries(entry->object.sub_map, - entry->offset, - entry->offset + - (entry->vme_end - entry->vme_start)); + get_vmsubmap_entries(VME_SUBMAP(entry), + VME_OFFSET(entry), + (VME_OFFSET(entry) + + entry->vme_end - + entry->vme_start)); } else { total_entries += 1; } @@ -460,10 +523,11 @@ get_vmmap_entries( while(entry != vm_map_to_entry(map)) { if(entry->is_sub_map) { total_entries += - get_vmsubmap_entries(entry->object.sub_map, - entry->offset, - entry->offset + - (entry->vme_end - entry->vme_start)); + get_vmsubmap_entries(VME_SUBMAP(entry), + VME_OFFSET(entry), + (VME_OFFSET(entry) + + entry->vme_end - + entry->vme_start)); } else { total_entries += 1; } @@ -579,17 +643,6 @@ task_act_iterate_wth_args( } -void -astbsd_on(void) -{ - boolean_t reenable; - - reenable = ml_set_interrupts_enabled(FALSE); - ast_on_fast(AST_BSD); - (void)ml_set_interrupts_enabled(reenable); -} - - #include void @@ -602,6 +655,8 @@ fill_taskprocinfo(task_t task, struct proc_taskinfo_internal * ptinfo) uint32_t syscalls_unix = 0; uint32_t syscalls_mach = 0; + task_lock(task); + map = (task == kernel_task)? kernel_map: task->map; ptinfo->pti_virtual_size = map->size; @@ -609,8 +664,6 @@ fill_taskprocinfo(task_t task, struct proc_taskinfo_internal * ptinfo) (mach_vm_size_t)(pmap_resident_count(map->pmap)) * PAGE_SIZE_64; - task_lock(task); - ptinfo->pti_policy = ((task != kernel_task)? POLICY_TIMESHARE: POLICY_RR); @@ -705,7 +758,7 @@ fill_taskthreadinfo(task_t task, uint64_t thaddr, int thuniqueid, struct proc_th ptinfo->pth_flags = basic_info.flags; ptinfo->pth_sleep_time = basic_info.sleep_time; ptinfo->pth_curpri = thact->sched_pri; - ptinfo->pth_priority = thact->priority; + ptinfo->pth_priority = thact->base_pri; ptinfo->pth_maxpriority = thact->max_priority; if ((vpp != NULL) && (thact->uthread != NULL)) @@ -757,31 +810,19 @@ get_numthreads(task_t task) return(task->thread_count); } -void -syscall_exit_funnelcheck(void) -{ - thread_t thread; - - thread = current_thread(); - - if (thread->funnel_lock) - panic("syscall exit with funnel held\n"); -} - - /* * Gather the various pieces of info about the designated task, * and collect it all into a single rusage_info. */ int -fill_task_rusage_v2(task_t task, struct rusage_info_v2 *ri) +fill_task_rusage(task_t task, rusage_info_current *ri) { struct task_power_info powerinfo; assert(task != TASK_NULL); task_lock(task); - task_power_info_locked(task, &powerinfo); + task_power_info_locked(task, &powerinfo, NULL); ri->ri_pkg_idle_wkups = powerinfo.task_platform_idle_wakeups; ri->ri_interrupt_wkups = powerinfo.task_interrupt_wakeups; ri->ri_user_time = powerinfo.total_user; @@ -799,3 +840,63 @@ fill_task_rusage_v2(task_t task, struct rusage_info_v2 *ri) task_unlock(task); return (0); } + +void +fill_task_billed_usage(task_t task __unused, rusage_info_current *ri) +{ +#if CONFIG_BANK + ri->ri_billed_system_time = bank_billed_time(task->bank_context); + ri->ri_serviced_system_time = bank_serviced_time(task->bank_context); +#else + ri->ri_billed_system_time = 0; + ri->ri_serviced_system_time = 0; +#endif +} + +int +fill_task_io_rusage(task_t task, rusage_info_current *ri) +{ + assert(task != TASK_NULL); + task_lock(task); + + if (task->task_io_stats) { + ri->ri_diskio_bytesread = task->task_io_stats->disk_reads.size; + ri->ri_diskio_byteswritten = (task->task_io_stats->total_io.size - task->task_io_stats->disk_reads.size); + } else { + /* I/O Stats unavailable */ + ri->ri_diskio_bytesread = 0; + ri->ri_diskio_byteswritten = 0; + } + task_unlock(task); + return (0); +} + +int +fill_task_qos_rusage(task_t task, rusage_info_current *ri) +{ + thread_t thread; + + assert(task != TASK_NULL); + task_lock(task); + + /* Rollup Qos time of all the threads to task */ + queue_iterate(&task->threads, thread, thread_t, task_threads) { + if (thread->options & TH_OPT_IDLE_THREAD) + continue; + + thread_mtx_lock(thread); + thread_update_qos_cpu_time(thread, TRUE); + thread_mtx_unlock(thread); + + } + ri->ri_cpu_time_qos_default = task->cpu_time_qos_stats.cpu_time_qos_default; + ri->ri_cpu_time_qos_maintenance = task->cpu_time_qos_stats.cpu_time_qos_maintenance; + ri->ri_cpu_time_qos_background = task->cpu_time_qos_stats.cpu_time_qos_background; + ri->ri_cpu_time_qos_utility = task->cpu_time_qos_stats.cpu_time_qos_utility; + ri->ri_cpu_time_qos_legacy = task->cpu_time_qos_stats.cpu_time_qos_legacy; + ri->ri_cpu_time_qos_user_initiated = task->cpu_time_qos_stats.cpu_time_qos_user_initiated; + ri->ri_cpu_time_qos_user_interactive = task->cpu_time_qos_stats.cpu_time_qos_user_interactive; + + task_unlock(task); + return (0); +}