struct bendData *
getBendData(int element_center,
enum hybridization centerHybridization,
int element1,
char bondOrder1,
int element2,
char bondOrder2)
{
struct bendData *bend;
char bendName[256]; // XXX Can overflow for long atom type names
generateBendName(bendName, element_center, centerHybridization, element1, bondOrder1, element2, bondOrder2);
bend = (struct bendData *)hashtable_get(bendDataHashtable, bendName);
if (bend == NULL) {
bend = generateGenericBendData(bendName, element_center, centerHybridization, element1, bondOrder1, element2, bondOrder2);
}
if (bend == NULL) {
return NULL;
}
if (bend->parameterQuality < QualityWarningLevel && !bend->warned) {
if (!ComputedParameterWarning) {
WARNING("Using a reduced quality parameter, see the trace output for details");
ComputedParameterWarning = 1;
}
INFO2("Using quality %d parameters for %s bend", bend->parameterQuality, bendName);
INFO2("Computed kb: %e, theta0: %e", bend->kb, bend->theta0);
bend->warned = 1;
}
return bend;
}
PCI_Device::PCI_Device(const uint16_t pci_addr, const uint32_t device_id)
: pci_addr_{pci_addr}, device_id_{device_id}
{
//We have device, so probe for details
devtype_.reg = read_dword(pci_addr, PCI::CONFIG_CLASS_REV);
//printf("\t[*] New PCI Device: Vendor: 0x%x Prod: 0x%x Class: 0x%x\n",
//device_id.vendor,device_id.product,classcode);
INFO2("|");
switch (devtype_.classcode) {
case PCI::BRIDGE:
INFO2("+--+ %s %s (0x%x)",
bridge_subclasses[devtype_.subclass < SS_BR ? devtype_.subclass : SS_BR-1],
classcodes[devtype_.classcode],devtype_.subclass);
break;
case PCI::NIC:
INFO2("+--+ %s %s (0x%x)",
nic_subclasses[devtype_.subclass < SS_NIC ? devtype_.subclass : SS_NIC-1],
classcodes[devtype_.classcode],devtype_.subclass);
break;
default:
if (devtype_.classcode < NUM_CLASSCODES) {
INFO2("+--+ %s ",classcodes[devtype_.classcode]);
} else {
INFO2("\t +--+ Other (Classcode 0x%x) \n",devtype_.classcode);
}
} //< switch (devtype_.classcode)
}
// for the case pure stop the world
static void gc_partial_con_PSTW( GC *gc) {
int64 time_collection_start = time_now();
INFO2("gc.space.stat","Stop-the-world collection = "<<gc->num_collections<<"");
INFO2("gc.con.info", "from last check point =" << (unsigned int)(time_collection_start -get_last_check_point()) );
// stop the world enumeration
gc->num_collections++;
int disable_count = hythread_reset_suspend_disable();
gc_set_rootset_type(ROOTSET_IS_REF);
gc_prepare_rootset(gc);
if(gc->cause != GC_CAUSE_RUNTIME_FORCE_GC ) {
unsigned int new_obj_size = gc_get_mutator_new_obj_size(gc);
Con_Collection_Statistics * con_collection_stat = gc_ms_get_con_collection_stat((GC_MS*)gc);
con_collection_stat->heap_utilization_rate = (float)(con_collection_stat->surviving_size_at_gc_end + new_obj_size)/gc->committed_heap_size;
}
//reclaim heap
gc_reset_mutator_context(gc);
if(!IGNORE_FINREF ) gc_set_obj_with_fin(gc);
gc_ms_reclaim_heap((GC_MS*)gc);
//update live size
gc_PSTW_update_stat_after_marking(gc);
// reset the collection and resume mutators
gc_reset_after_con_collection(gc);
set_con_nil(gc); // concurrent scheduling will continue after mutators are resumed
vm_resume_threads_after();
assert(hythread_is_suspend_enabled());
hythread_set_suspend_disable(disable_count);
}
// for the case concurrent marking is not finished before heap is exhausted
static void gc_partial_con_PMSS(GC *gc) {
INFO2("gc.con.info", "[PMSS] Heap has been exhuasted, current collection = " << gc->num_collections );
// wait concurrent marking finishes
int64 wait_start = time_now();
gc_disable_alloc_obj_live(gc); // in the STW manner, so we can disable it at anytime before the mutators are resumed
//in the stop the world phase (only conclctors is running at the moment), so the spin lock will not lose more performance
while( gc->gc_concurrent_status == GC_CON_START_MARKERS ||
gc->gc_concurrent_status == GC_CON_TRACING ||
gc->gc_concurrent_status == GC_CON_TRACE_DONE)
{
vm_thread_yield(); //let the unfinished marker run
}
/*just debugging*/
gc_ms_get_current_heap_usage((GC_MS *)gc);
int64 pause_time = time_now() - wait_start;
INFO2("gc.con.info", "[PMSS]wait marking time="<<pause_time<<" us" );
Con_Collection_Statistics *con_collection_stat = gc_ms_get_con_collection_stat((GC_MS*)gc);
unsigned int marking_time_shortage = (unsigned int)(con_collection_stat->marking_end_time - wait_start);
INFO2("gc.con.info", "[PMSS] marking late time [" << marking_time_shortage << "] us" );
// start STW reclaiming heap
gc_con_update_stat_heap_exhausted(gc); // calculate util rate
gc_reset_mutator_context(gc);
if(!IGNORE_FINREF ) gc_set_obj_with_fin(gc);
gc_ms_reclaim_heap((GC_MS*)gc);
// reset after partial stop the world collection
gc_reset_after_con_collection(gc);
set_con_nil(gc);
}
void PCI_manager::init()
{
INFO("PCI Manager","Probing PCI bus");
/*
Probe the PCI bus
- Assuming bus number is 0, there are 255 possible addresses
*/
uint32_t id = PCI::WTF;
for (uint16_t pci_addr = 0; pci_addr < 255; pci_addr++)
{
id = PCI_Device::read_dword(pci_addr, PCI::CONFIG_VENDOR);
if (id != PCI::WTF)
{
PCI_Device dev (pci_addr,id);
devices[dev.classcode()].emplace_back(dev);
}
}
// Pretty printing, end of device tree
// @todo should probably be moved, or optionally non-printed
INFO2("|");
INFO2("o");
}
//just debugging
inline void gc_ms_get_current_heap_usage(GC_MS *gc)
{
Con_Collection_Statistics *con_collection_stat = gc_ms_get_con_collection_stat(gc);
unsigned int new_obj_size = gc_get_mutator_new_obj_size((GC *)gc);
unsigned int current_size = con_collection_stat->surviving_size_at_gc_end + new_obj_size;
INFO2("gc.con.scheduler", "[Heap Usage]surviving_size("<<con_collection_stat->surviving_size_at_gc_end<<")+new_obj_size("<<new_obj_size << ")="<<current_size<<" bytes");
INFO2("gc.con.scheduler", "[Heap Usage]usage rate ("<< (float)current_size/gc->committed_heap_size<<")");
}
int alert_push(int event, const char *msg)
{
/* 日志以及调试功能回调入口 */
switch(event){
case ERR_BASE:
case ERR_VERIFY:
case ERR_BRIDGE:
case ERR_PORT:
case ERR_CTRL_BRIDGE:
case ERR_CTRL_PORT:
ERROR2(GLOBAL_OUT_GROUP,"%s\n", msg);
break;
case ERR_MSTI:
ERROR2(MSTI_GROUP,"%s\n", msg);
break;
case ALERT_BASE:
case ALERT_BRIDGE:
case ALERT_PORT:
break;
case INFO_BRIDGE_TXBPDU:
case INFO_PORT_TXBPDU:
INFO2(BPDU_TX_GROUP,"%s\n", msg);
break;
case DEBUG_TXBPDU:
INFO3(BPDU_TX_GROUP,"%s\n", msg);
break;
case INFO_BRIDGE_RXBPDU:
case INFO_PORT_RXBPDU:
INFO2(BPDU_RX_GROUP,"%s\n", msg);
break;
case DEBUG_RXBPDU:
INFO3(BPDU_RX_GROUP,"%s\n", msg);
break;
case INFO_MSTI:
INFO2(MSTI_GROUP,"%s\n", msg);
break;
case INFO_BASE:
case INFO_BRIDGE:
case INFO_PORT:
case INFO_CTRL_BRIDGE:
case INFO_CTRL_PORT:
case INFO_CTRL_BRIDGE_MAC:
INFO2(GLOBAL_OUT_GROUP,"%s\n", msg);
break;
case DEBUG_INFO:
break;
case NOTIFY_MSG:
send_notify(event, msg);
break;
default:
break;
};
return 0;
}
void gc_PSTW_update_stat_after_marking(GC *gc)
{
unsigned int size_live_obj = gc_ms_get_live_object_size((GC_MS*)gc);
Con_Collection_Statistics * con_collection_stat = gc_ms_get_con_collection_stat((GC_MS*)gc);
con_collection_stat->live_size_marked = size_live_obj;
con_collection_stat->alloc_size_before_alloc_live = gc_get_mutator_new_obj_size(gc);
INFO2("gc.con.scheduler", "[Mark Finish] live_marked: "<<con_collection_stat->live_size_marked<<" bytes");
INFO2("gc.con.scheduler", "[Mark Finish] alloc_rate: "<<con_collection_stat->alloc_rate<<" b/ms");
INFO2("gc.con.scheduler", "[Mark Finish] trace_rate: "<<con_collection_stat->trace_rate<<" b/ms");
}
void PCI_Device::probe_resources() noexcept {
//Find resources on this PCI device (scan the BAR's)
uint32_t value {PCI::WTF};
uint32_t reg {0};
uint32_t len {0};
for(int bar {0}; bar < 6; ++bar) {
//Read the current BAR register
reg = PCI::CONFIG_BASE_ADDR_0 + (bar << 2);
value = read_dword(reg);
if (!value) continue;
//Write all 1's to the register, to get the length value (osdev)
write_dword(reg, 0xFFFFFFFF);
len = read_dword(reg);
//Put the value back
write_dword(reg, value);
uint32_t unmasked_val {0};
uint32_t pci__size {0};
if (value & 1) { // Resource type IO
unmasked_val = value & PCI::BASE_ADDRESS_IO_MASK;
pci__size = pci_size(len, PCI::BASE_ADDRESS_IO_MASK & 0xFFFF);
// Add it to resource list
add_resource(new Resource(unmasked_val, pci__size), res_io_);
assert(res_io_ != nullptr);
} else { //Resource type Mem
unmasked_val = value & PCI::BASE_ADDRESS_MEM_MASK;
pci__size = pci_size(len, PCI::BASE_ADDRESS_MEM_MASK);
//Add it to resource list
add_resource(new Resource(unmasked_val, pci__size), res_mem_);
assert(res_mem_ != nullptr);
}
INFO2("");
INFO2("[ Resource @ BAR %i ]", bar);
INFO2(" Address: 0x%x Size: 0x%x", unmasked_val, pci__size);
INFO2(" Type: %s", value & 1 ? "IO Resource" : "Memory Resource");
}
INFO2("");
}
void ACPI::walk_madt(const char* addr)
{
auto* hdr = (MADTHeader*) addr;
INFO("ACPI", "Reading APIC information");
// the base address for APIC registers
INFO2("LAPIC base: 0x%x (flags: 0x%x)",
hdr->lapic_addr, hdr->flags);
this->apic_base = (uintptr_t) hdr->lapic_addr;
// the length remaining after MADT header
int len = hdr->hdr.Length - sizeof(MADTHeader);
// start walking
const char* ptr = (char*) hdr->record;
while (len) {
auto* rec = (MADTRecord*) ptr;
switch (rec->type) {
case 0:
{
auto& lapic = *(LAPIC*) rec;
lapics.push_back(lapic);
//INFO2("-> CPU %u ID %u (flags=0x%x)",
// lapic.cpu, lapic.id, lapic.flags);
}
break;
case 1:
{
auto& ioapic = *(IOAPIC*) rec;
ioapics.push_back(ioapic);
INFO2("I/O APIC %u ADDR 0x%x INTR 0x%x",
ioapic.id, ioapic.addr_base, ioapic.intr_base);
}
break;
case 2:
{
auto& redirect = *(override_t*) rec;
overrides.push_back(redirect);
INFO2("IRQ redirect for bus %u from IRQ %u to VEC %u",
redirect.bus_source, redirect.irq_source, redirect.global_intr);
}
break;
default:
debug("Unrecognized ACPI MADT type: %u\n", rec->type);
}
// decrease length as we go
len -= rec->length;
// go to next entry
ptr += rec->length;
}
INFO("SMP", "Found %u APs", (uint32_t) lapics.size());
}
NativeCodePtr compile_me(Method* method)
{
ASSERT_RAISE_AREA;
ASSERT_NO_INTERPRETER;
TRACE("compile_me " << method);
GcFrame gc;
compile_protect_arguments(method, &gc);
if (exn_raised()) {
return NULL;
}
tmn_suspend_enable();
if (method->is_abstract()) {
compile_raise_exception("java/lang/AbstractMethodError", "", method);
tmn_suspend_disable();
return NULL;
}
DebugUtilsTI *ti = VM_Global_State::loader_env->TI;
JIT_Result res = compile_do_compilation(method);
if (res != JIT_SUCCESS) {
INFO2("compile", "Cannot compile " << method);
if (!exn_raised()) {
compile_raise_exception("java/lang/InternalError", "Cannot compile ", method);
}
tmn_suspend_disable();
return NULL;
}
tmn_suspend_disable();
NativeCodePtr entry_point = method->get_code_addr();
INFO2("compile.code", "Compiled method " << method
<< ", entry " << entry_point);
if (method->get_pending_breakpoints() != 0)
jvmti_set_pending_breakpoints(method);
if(ti->isEnabled() && ti->is_single_step_enabled()
&& !method->is_native())
{
jvmti_thread_t jvmti_thread = jthread_self_jvmti();
assert(jvmti_thread);
jvmti_set_single_step_breakpoints_for_method(ti, jvmti_thread, method);
}
return entry_point;
} // compile_me
static int command_move_clients (client_t *client, source_t *source, int response)
{
const char *dest_source;
xmlDocPtr doc;
xmlNodePtr node;
int parameters_passed = 0;
char buf[255];
if((COMMAND_OPTIONAL(client, "destination", dest_source))) {
parameters_passed = 1;
}
if (!parameters_passed) {
doc = admin_build_sourcelist(source->mount);
thread_mutex_unlock (&source->lock);
return admin_send_response(doc, client, response, "moveclients.xsl");
}
INFO2 ("source is \"%s\", destination is \"%s\"", source->mount, dest_source);
doc = xmlNewDoc(XMLSTR("1.0"));
node = xmlNewDocNode(doc, NULL, XMLSTR("iceresponse"), NULL);
xmlDocSetRootElement(doc, node);
source_set_fallback (source, dest_source);
source->termination_count = source->listeners;
source->flags |= SOURCE_LISTENERS_SYNC;
snprintf (buf, sizeof(buf), "Clients moved from %s to %s",
source->mount, dest_source);
thread_mutex_unlock (&source->lock);
xmlNewChild(node, NULL, XMLSTR("message"), XMLSTR(buf));
xmlNewChild(node, NULL, XMLSTR("return"), XMLSTR("1"));
return admin_send_response (doc, client, response, "response.xsl");
}
void IRQ_manager::bsp_init()
{
const auto WORDS_PER_BMP = IRQ_LINES / 32;
auto* bmp = new MemBitmap::word[WORDS_PER_BMP * 3]();
irq_subs.set_location(bmp + 0 * WORDS_PER_BMP, WORDS_PER_BMP);
irq_pend.set_location(bmp + 1 * WORDS_PER_BMP, WORDS_PER_BMP);
irq_todo.set_location(bmp + 2 * WORDS_PER_BMP, WORDS_PER_BMP);
//Create an idt entry for the 'lidt' instruction
idt_loc idt_reg;
idt_reg.limit = INTR_LINES * sizeof(IDTDescr) - 1;
idt_reg.base = (uint32_t)idt;
INFO("INTR", "Creating interrupt handlers");
for (size_t i = 0; i < 32; i++) {
create_gate(&idt[i],exception_handler,default_sel,default_attr);
}
// Set all interrupt-gates >= 32 to unused do-nothing handler
for (size_t i = 32; i < INTR_LINES; i++) {
create_gate(&idt[i],unused_interrupt_handler,default_sel,default_attr);
}
// spurious interrupts (should not happen)
// currently set to be the last interrupt vector
create_gate(&idt[INTR_LINES-1], spurious_intr, default_sel, default_attr);
INFO2("+ Default interrupt gates set for irq >= 32");
// Load IDT
asm volatile ("lidt %0": :"m"(idt_reg) );
}
uint16_t msix_t::setup_vector(uint8_t cpu, uint8_t intr)
{
// find free table entry
uint16_t vec;
for (vec = 0; vec < this->vectors(); vec++)
{
// read data register
auto reg = get_entry(vec, ENT_MSG_DATA);
if ((mm_read(reg) & 0xff) == 0) break;
}
assert (vec != this->vectors());
// use free table entry
INFO2("MSI-X vector %u pointing to cpu %u intr %u",
vec, cpu, intr);
// mask entry
mask_entry(vec);
mm_write(get_entry(vec, ENT_MSG_ADDR), msix_addr_single_cpu(cpu));
mm_write(get_entry(vec, ENT_MSG_UPPER), 0x0);
mm_write(get_entry(vec, ENT_MSG_DATA), msix_data_single_vector(intr));
// unmask entry
unmask_entry(vec);
// return it
return vec;
}
static void queue_auth_client (auth_client *auth_user, mount_proxy *mountinfo)
{
auth_t *auth;
if (auth_user == NULL)
return;
auth_user->next = NULL;
if (mountinfo)
{
auth = mountinfo->auth;
thread_mutex_lock (&auth->lock);
if (auth_user->client)
auth_user->client->auth = auth;
auth->refcount++;
}
else
{
if (auth_user->client == NULL || auth_user->client->auth == NULL)
{
WARN1 ("internal state is incorrect for %p", auth_user->client);
return;
}
auth = auth_user->client->auth;
thread_mutex_lock (&auth->lock);
}
DEBUG2 ("...refcount on auth_t %s is now %d", auth->mount, auth->refcount);
*auth->tailp = auth_user;
auth->tailp = &auth_user->next;
auth->pending_count++;
INFO2 ("auth on %s has %d pending", auth->mount, auth->pending_count);
thread_mutex_unlock (&auth->lock);
}
struct bondStretch *
getBondStretch(int element1, int element2, char bondOrder)
{
struct bondStretch *entry;
char bondName[256]; // XXX Can overflow for long atom type names
entry = getBondStretchEntry(element1, element2, bondOrder);
if (entry->parameterQuality < QualityWarningLevel && !entry->warned) {
if (!ComputedParameterWarning) {
WARNING("Using a reduced quality parameter, see the trace output for details");
ComputedParameterWarning = 1;
}
generateBondName(bondName, element1, element2, bondOrder);
INFO2("Using quality %d parameters for %s stretch", entry->parameterQuality, bondName);
INFO4("Computed ks: %e, r0: %e, de: %e, beta: %e",
entry->ks,
entry->r0,
entry->de,
entry->beta);
entry->warned = 1;
}
if (entry->maxPhysicalTableIndex == -1) {
// Only call initializeBondStretchInterpolater when we're actually
// going to use it. That way, we don't warn about too large of an
// ExcessiveEnergyLevel
initializeBondStretchInterpolater(entry);
}
return entry;
}
/* FIXME:: the collection should be seperated from the alloation */
void *wspace_alloc(unsigned size, Allocator *allocator)
{
void *p_obj = NULL;
/*
if( get_hyper_free_chunk_list()->head == NULL )
INFO2("gc.wspace", "[BEFORE ALLOC]hyper free chunk is EMPTY!!");
*/
if(gc_is_specify_con_gc())
gc_sched_collection(allocator->gc, GC_CAUSE_CONCURRENT_GC);
/* First, try to allocate object from TLB (thread local chunk) */
p_obj = wspace_try_alloc(size, allocator);
if(p_obj){
((Mutator*)allocator)->new_obj_size += size;
/*
if( get_hyper_free_chunk_list()->head == NULL )
INFO2("gc.wspace", "[AFTER FIRST ALLOC]hyper free chunk is EMPTY!!");
*/
return p_obj;
}
if(allocator->gc->in_collection) return NULL;
vm_gc_lock_enum();
/* after holding lock, try if other thread collected already */
p_obj = wspace_try_alloc(size, allocator);
if(p_obj){
vm_gc_unlock_enum();
((Mutator*)allocator)->new_obj_size += size;
/*
if( get_hyper_free_chunk_list()->head == NULL )
INFO2("gc.wspace", "[AFTER SECOND ALLOC]hyper free chunk is EMPTY!!");
*/
return p_obj;
}
INFO2("gc.con.info", "[Exhausted Cause] Allocation size is :" << size << " bytes");
GC *gc = allocator->gc;
/*
gc->cause = GC_CAUSE_MOS_IS_FULL;
if(gc_is_specify_con_gc())
gc_relaim_heap_con_mode(gc);
else*/
gc_reclaim_heap(gc, GC_CAUSE_MOS_IS_FULL);
vm_gc_unlock_enum();
#ifdef SSPACE_CHUNK_INFO
printf("Failure size: %x\n", size);
#endif
p_obj = wspace_try_alloc(size, allocator);
/*
if( get_hyper_free_chunk_list()->head == NULL )
INFO2("gc.wspace", "[AFTER COLLECTION ALLOC]hyper free chunk is EMPTY!!");
*/
if(p_obj) ((Mutator*)allocator)->new_obj_size += size;
return p_obj;
}
int
mm_open(mm_file *mf, const char *fname)
{
assert(mf);
assert(fname);
INFO2("opening file `%s'", fname);
return mm_open_fp(mf, fopen(fname, "rb"));
}
inline static void disable_irq(const uint8_t irq) noexcept {
irq_mask_ |= (1 << irq);
if ((irq_mask_ & 0xFF00) == 0xFF00) {
irq_mask_ |= (1 << 2);
}
set_intr_mask(irq_mask_);
INFO2("- Disabling IRQ %i, mask: 0x%x", irq, irq_mask_);
}
void PCI_manager::init() {
INFO("PCI Manager", "Probing PCI bus");
/*
* Probe the PCI bus
* - Assuming bus number is 0, there are 255 possible addresses
*/
uint32_t id {PCI::WTF};
for (uint16_t pci_addr {0}; pci_addr < 255; ++pci_addr) {
id = hw::PCI_Device::read_dword(pci_addr, PCI::CONFIG_VENDOR);
if (id != PCI::WTF) {
hw::PCI_Device dev {pci_addr, id};
// store device
devices_[dev.classcode()].emplace_back(dev);
bool registered = false;
// translate classcode to device and register
switch(dev.classcode())
{
case PCI::STORAGE:
registered = register_device<hw::Drive>(dev);
break;
case PCI::NIC:
registered = register_device<hw::Nic>(dev);
break;
default:
{
}
}
debug("Device %s", registered ? "registed":"not registered");
}
}
// Pretty printing, end of device tree
// @todo should probably be moved, or optionally non-printed
INFO2("|");
INFO2("o");
}
/* function to handle the re-populating of the avl tree containing IP addresses
* for deciding whether a connection of an incoming request is to be dropped.
*/
static void recheck_ip_file (cache_file_contents *cache)
{
time_t now = time(NULL);
if (now >= cache->file_recheck)
{
struct stat file_stat;
FILE *file = NULL;
int count = 0;
avl_tree *new_ips;
char line [MAX_LINE_LEN];
cache->file_recheck = now + 10;
if (cache->filename == NULL)
{
if (cache->contents)
{
avl_tree_free (cache->contents, free_filtered_ip);
cache->contents = NULL;
}
return;
}
if (stat (cache->filename, &file_stat) < 0)
{
WARN2 ("failed to check status of \"%s\": %s", cache->filename, strerror(errno));
return;
}
if (file_stat.st_mtime == cache->file_mtime)
return; /* common case, no update to file */
cache->file_mtime = file_stat.st_mtime;
file = fopen (cache->filename, "r");
if (file == NULL)
{
WARN2("Failed to open file \"%s\": %s", cache->filename, strerror (errno));
return;
}
new_ips = avl_tree_new (compare_ip, NULL);
while (get_line (file, line, MAX_LINE_LEN))
{
char *str;
if(!line[0] || line[0] == '#')
continue;
count++;
str = strdup (line);
if (str)
avl_insert (new_ips, str);
}
fclose (file);
INFO2 ("%d entries read from file \"%s\"", count, cache->filename);
if (cache->contents) avl_tree_free (cache->contents, free_filtered_ip);
cache->contents = new_ips;
}
}
/*! \fn printVector
*
* \param [in] [vector]
* \param [in] [size]
* \param [in] [logLevel]
* \param [in] [name]
*
* \author wbraun
*/
static void printVector(const double *vector, integer *size, const int logLevel, const char *name)
{
int i;
INFO1(logLevel, "%s", name);
INDENT(logLevel);
for(i=0; i<*size; i++)
INFO2(logLevel, "[%d] %10g", i, vector[i]);
RELEASE(logLevel);
}
inline static void partial_stop_the_world_info( unsigned int type, unsigned int pause_time ) {
switch( type ) {
case GC_PARTIAL_PSTW :
INFO2("gc.con.time","[PT] pause ( Heap exhuasted ), PSTW=" << pause_time << " us");
break;
case GC_PARTIAL_PMSS :
INFO2("gc.con.time","[PT] pause ( Heap exhuasted ), PMSS=" << pause_time << " us");
break;
case GC_PARTIAL_CMPS :
INFO2("gc.con.time","[PT] pause ( Heap exhuasted ), CMPS=" << pause_time << " us");
break;
case GC_PARTIAL_CMSS :
INFO2("gc.con.time","[PT] pause ( Heap exhuasted ), CMSS=" << pause_time << " us");
break;
case GC_PARTIAL_FCSR :
INFO2("gc.con.time","[PT] pause ( Heap exhuasted ), FCSR=" << pause_time << " us");
break;
}
}
void elf_protect_symbol_areas()
{
char* src = (char*) parser.symtab.base;
ptrdiff_t size = &parser.strtab.base[parser.strtab.size] - src;
if (size & 4095) size += 4096 - (size & 4095);
INFO2("* Protecting syms %p to %p (size %#zx)",
src, &parser.strtab.base[parser.strtab.size], size);
//os::mem::protect((uintptr_t) src, size, os::mem::Access::read);
}
void OS::multiboot(uint32_t boot_magic, uint32_t boot_addr){
MYINFO("Booted with multiboot");
INFO2("* magic value: 0x%x Multiboot info at 0x%x", boot_magic, boot_addr);
multiboot_info_t* bootinfo = (multiboot_info_t*) boot_addr;
if (! bootinfo->flags & MULTIBOOT_INFO_MEMORY) {
INFO2("* No memory info provided in multiboot info");
return;
}
uint32_t mem_low_start = 0;
uint32_t mem_low_end = (bootinfo->mem_lower * 1024) - 1;
uint32_t mem_low_kb = bootinfo->mem_lower;
uint32_t mem_high_start = 0x100000;
uint32_t mem_high_end = mem_high_start + (bootinfo->mem_upper * 1024) - 1;
uint32_t mem_high_kb = bootinfo->mem_upper;
OS::low_memory_size_ = mem_low_kb * 1024;
OS::high_memory_size_ = mem_high_kb * 1024;
INFO2("* Valid memory (%i Kib):", mem_low_kb + mem_high_kb);
INFO2("\t 0x%08x - 0x%08x (%i Kib)",
mem_low_start, mem_low_end, mem_low_kb);
INFO2("\t 0x%08x - 0x%08x (%i Kib)",
mem_high_start, mem_high_end, mem_high_kb);
INFO2("");
if (bootinfo->flags & MULTIBOOT_INFO_CMDLINE) {
os_cmdline = (char*) bootinfo->cmdline;
INFO2("* Booted with parameters: %s", os_cmdline.c_str());
}
if (bootinfo->flags & MULTIBOOT_INFO_MEM_MAP) {
INFO2("* Multiboot provided memory map (%i entries)",bootinfo->mmap_length / sizeof(multiboot_memory_map_t));
gsl::span<multiboot_memory_map_t> mmap { reinterpret_cast<multiboot_memory_map_t*>(bootinfo->mmap_addr),
(int)(bootinfo->mmap_length / sizeof(multiboot_memory_map_t))};
for (auto map : mmap) {
const char* str_type = map.type & MULTIBOOT_MEMORY_AVAILABLE ? "FREE" : "RESERVED";
INFO2("\t 0x%08llx - 0x%08llx %s (%llu Kb.)",
map.addr, map.addr + map.len - 1, str_type, map.len / 1024 );
/*if (map.addr + map.len > mem_high_end)
break;*/
}
printf("\n");
}
}
void gc_con_stat_information_out(GC *gc)
{
Con_Collection_Statistics * con_collection_stat = gc_ms_get_con_collection_stat((GC_MS*)gc);
INFO2("gc.con.scheduler","=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=");
INFO2("gc.con.scheduler", "[Reset] surviving_at_end: "<<con_collection_stat->surviving_size_at_gc_end<<" bytes");
INFO2("gc.con.scheduler", "[Reset] alloc_rate: "<<con_collection_stat->alloc_rate<<" b/ms");
INFO2("gc.con.scheduler", "[Reset] utilization_rate: "<<con_collection_stat->heap_utilization_rate);
INFO2("gc.con.scheduler", "[Reset] trace_rate: "<<con_collection_stat->trace_rate<<" b/ms");
INFO2("gc.con.scheduler", "[Reset] sweeping time: "<<con_collection_stat->sweeping_time<<" us");
INFO2("gc.con.scheduler", "[Reset] gc time: "<< trans_time_unit(con_collection_stat->gc_end_time - con_collection_stat->gc_start_time) );
INFO2("gc.con.scheduler","=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=");
}
/** Find and open file, if found return full path.
* Caller is responsible for freeing the memory.
*/
char*
locate_file(const char *name, int type)
{
file f = try_find_file(name, "rb", type);
if (f.handle)
{
INFO2("found file `%s'", f.path);
fclose(f.handle);
}
return f.path;
}
static void logReadyProfile(const std::string& catName, const std::string& profilerName, EBMethodProfile* mp) {
const char* methodName = method_get_name(mp->mh);
Class_Handle ch = method_get_class(mp->mh);
const char* className = class_get_name(ch);
const char* signature = method_get_descriptor(mp->mh);
std::ostringstream msg;
msg <<"EM: profiler["<<profilerName.c_str()<<"] profile is ready [e:"
<< mp->entryCounter <<" b:"<<mp->backedgeCounter<<"] "
<<className<<"::"<<methodName<<signature;
INFO2(catName.c_str(), msg.str().c_str());
}
/* general send routine per listener. The deletion_expected tells us whether
* the last in the queue is about to disappear, so if this client is still
* referring to it after writing then drop the client as it's fallen too far
* behind
*/
static void send_to_listener (source_t *source, client_t *client, int deletion_expected)
{
int bytes;
int loop = 10; /* max number of iterations in one go */
int total_written = 0;
while (1)
{
/* check for limited listener time */
if (client->con->discon_time)
if (time(NULL) >= client->con->discon_time)
{
INFO1 ("time limit reached for client #%lu", client->con->id);
client->con->error = 1;
}
/* jump out if client connection has died */
if (client->con->error)
break;
/* lets not send too much to one client in one go, but don't
sleep for too long if more data can be sent */
if (total_written > 20000 || loop == 0)
{
if (client->check_buffer != format_check_file_buffer)
source->short_delay = 1;
break;
}
loop--;
if (client->check_buffer (source, client) < 0)
break;
bytes = client->write_to_client (client);
if (bytes <= 0)
break; /* can't write any more */
total_written += bytes;
}
source->format->sent_bytes += total_written;
/* the refbuf referenced at head (last in queue) may be marked for deletion
* if so, check to see if this client is still referring to it */
if (deletion_expected && client->refbuf && client->refbuf == source->stream_data)
{
INFO2 ("Client %lu (%s) has fallen too far behind, removing",
client->con->id, client->con->ip);
stats_event_inc (source->mount, "slow_listeners");
client->con->error = 1;
}
}
// only when current sweep is set to false
static void gc_partial_con_CMSS(GC *gc) {
INFO2("gc.con.info", "[CMSS] Heap has been exhuasted, current collection = " << gc->num_collections );
gc_disable_alloc_obj_live(gc); // in the STW manner, so we can disable it at anytime before the mutators are resumed
/*just debugging*/
gc_ms_get_current_heap_usage((GC_MS *)gc);
Con_Collection_Statistics *con_collection_stat = gc_ms_get_con_collection_stat((GC_MS*)gc);
unsigned int from_marking_end = (unsigned int)(time_now() - con_collection_stat->marking_end_time);
INFO2("gc.con.info", "[CMSS] marking early time [" << from_marking_end << "] us" );
gc_con_update_stat_heap_exhausted(gc); // calculate util rate
// start reclaiming heap, it will skip the marking phase
gc_reset_mutator_context(gc);
if(!IGNORE_FINREF ) gc_set_obj_with_fin(gc);
gc_ms_reclaim_heap((GC_MS*)gc);
// reset after partial stop the world collection
gc_reset_after_con_collection(gc);
set_con_nil(gc);
}
