#include <string.h>
#include <assert.h>
#include <stdio.h>
-#if !defined(__APPLE__)
+#if !defined(__APPLE__) && !defined(__FreeBSD__)
#include <malloc.h>
#endif
#include <unistd.h>
#define HASH_SIZE 9371
#define SMALL_HASH_SIZE 31
+#if defined(__native_client__) || defined(__native_client_codegen__)
+volatile int __nacl_thread_suspension_needed = 0;
+void __nacl_suspend_thread_if_needed() {}
+#endif
+
static int debug = 0;
static int collect_traces = 0;
static int show_traces = 0;
static uint64_t startup_time = 0;
static FILE* outfile = NULL;
+static int32_t
+read_int16 (unsigned char *p)
+{
+ int32_t value = *p++;
+ value |= (*p++) << 8;
+ return value;
+}
+
static int32_t
read_int32 (unsigned char *p)
{
ClassDesc *cd = class_hash [slot];
while (cd && cd->klass != klass)
cd = cd->next;
- if (!cd)
- return add_class (klass, "unresolved class");
+ if (!cd) {
+ char buf [128];
+ snprintf (buf, sizeof (buf), "unresolved class %p", (void*)klass);
+ return add_class (klass, buf);
+ }
return cd;
}
intptr_t code;
int len;
int recurse_count;
+ int sample_hits;
uint64_t calls;
uint64_t total_time;
uint64_t callee_time;
MethodDesc *cd = method_hash [slot];
while (cd && cd->method != method)
cd = cd->next;
- if (!cd)
- return add_method (method, "unknown method", 0, 0);
+ if (!cd) {
+ char buf [128];
+ snprintf (buf, sizeof (buf), "unknown method %p", (void*)method);
+ return add_method (method, buf, 0, 0);
+ }
return cd;
}
+static int num_stat_samples = 0;
+static int size_stat_samples = 0;
+uintptr_t *stat_samples = NULL;
+int *stat_sample_desc = NULL;
+
+static void
+add_stat_sample (int type, uintptr_t ip) {
+ if (num_stat_samples == size_stat_samples) {
+ size_stat_samples *= 2;
+ if (!size_stat_samples)
+ size_stat_samples = 32;
+ stat_samples = realloc (stat_samples, size_stat_samples * sizeof (uintptr_t));
+ stat_sample_desc = realloc (stat_sample_desc, size_stat_samples * sizeof (int));
+ }
+ stat_samples [num_stat_samples] = ip;
+ stat_sample_desc [num_stat_samples++] = type;
+}
+
+static MethodDesc*
+lookup_method_by_ip (uintptr_t ip)
+{
+ int i;
+ MethodDesc* m;
+ /* dumb */
+ for (i = 0; i < HASH_SIZE; ++i) {
+ m = method_hash [i];
+ while (m) {
+ //printf ("checking %p against %p-%p\n", (void*)ip, (void*)(m->code), (void*)(m->code + m->len));
+ if (ip >= (uintptr_t)m->code && ip < (uintptr_t)m->code + m->len) {
+ return m;
+ }
+ m = m->next;
+ }
+ }
+ return NULL;
+}
+
+static int
+compare_method_samples (const void *a, const void *b)
+{
+ MethodDesc *const*A = a;
+ MethodDesc *const*B = b;
+ if ((*A)->sample_hits == (*B)->sample_hits)
+ return 0;
+ if ((*B)->sample_hits < (*A)->sample_hits)
+ return -1;
+ return 1;
+}
+
+typedef struct _UnmanagedSymbol UnmanagedSymbol;
+struct _UnmanagedSymbol {
+ UnmanagedSymbol *parent;
+ char *name;
+ int is_binary;
+ uintptr_t addr;
+ uintptr_t size;
+ uintptr_t sample_hits;
+};
+
+static UnmanagedSymbol **usymbols = NULL;
+static int usymbols_size = 0;
+static int usymbols_num = 0;
+
+static int
+compare_usymbol_addr (const void *a, const void *b)
+{
+ UnmanagedSymbol *const*A = a;
+ UnmanagedSymbol *const*B = b;
+ if ((*B)->addr == (*A)->addr)
+ return 0;
+ if ((*B)->addr > (*A)->addr)
+ return -1;
+ return 1;
+}
+
+static int
+compare_usymbol_samples (const void *a, const void *b)
+{
+ UnmanagedSymbol *const*A = a;
+ UnmanagedSymbol *const*B = b;
+ if ((*B)->sample_hits == (*A)->sample_hits)
+ return 0;
+ if ((*B)->sample_hits < (*A)->sample_hits)
+ return -1;
+ return 1;
+}
+
+static void
+add_unmanaged_symbol (uintptr_t addr, char *name, uintptr_t size)
+{
+ UnmanagedSymbol *sym;
+ if (usymbols_num == usymbols_size) {
+ int new_size = usymbols_size * 2;
+ if (!new_size)
+ new_size = 16;
+ usymbols = realloc (usymbols, sizeof (void*) * new_size);
+ usymbols_size = new_size;
+ }
+ sym = calloc (sizeof (UnmanagedSymbol), 1);
+ sym->addr = addr;
+ sym->name = name;
+ sym->size = size;
+ usymbols [usymbols_num++] = sym;
+}
+
+/* only valid after the symbols are sorted */
+static UnmanagedSymbol*
+lookup_unmanaged_symbol (uintptr_t addr)
+{
+ int r = usymbols_num - 1;
+ int l = 0;
+ UnmanagedSymbol *sym;
+ int last_best = -1;
+ while (r >= l) {
+ int m = (l + r) / 2;
+ sym = usymbols [m];
+ if (addr == sym->addr)
+ return sym;
+ if (addr < sym->addr) {
+ r = m - 1;
+ } else if (addr > sym->addr) {
+ l = m + 1;
+ last_best = m;
+ }
+ }
+ if (last_best >= 0 && (addr - usymbols [last_best]->addr) < 4096)
+ return usymbols [last_best];
+ return NULL;
+}
+
+/* we use the same structure for binaries */
+static UnmanagedSymbol **ubinaries = NULL;
+static int ubinaries_size = 0;
+static int ubinaries_num = 0;
+
+static void
+add_unmanaged_binary (uintptr_t addr, char *name, uintptr_t size)
+{
+ UnmanagedSymbol *sym;
+ if (ubinaries_num == ubinaries_size) {
+ int new_size = ubinaries_size * 2;
+ if (!new_size)
+ new_size = 16;
+ ubinaries = realloc (ubinaries, sizeof (void*) * new_size);
+ ubinaries_size = new_size;
+ }
+ sym = calloc (sizeof (UnmanagedSymbol), 1);
+ sym->addr = addr;
+ sym->name = name;
+ sym->size = size;
+ sym->is_binary = 1;
+ ubinaries [ubinaries_num++] = sym;
+}
+
+static UnmanagedSymbol*
+lookup_unmanaged_binary (uintptr_t addr)
+{
+ int i;
+ for (i = 0; i < ubinaries_num; ++i) {
+ UnmanagedSymbol *ubin = ubinaries [i];
+ if (addr >= ubin->addr && addr < ubin->addr + ubin->size) {
+ return ubin;
+ }
+ }
+ return NULL;
+}
+
+static const char*
+sample_type_name (int type)
+{
+ switch (type) {
+ case SAMPLE_CYCLES: return "cycles";
+ case SAMPLE_INSTRUCTIONS: return "instructions retired";
+ case SAMPLE_CACHE_MISSES: return "cache misses";
+ case SAMPLE_CACHE_REFS: return "cache references";
+ case SAMPLE_BRANCHES: return "executed branches";
+ case SAMPLE_BRANCH_MISSES: return "unpredicted branches";
+ }
+ return "unknown";
+}
+
+static void
+set_usym_parent (UnmanagedSymbol** cachedus, int count)
+{
+ int i;
+ for (i = 0; i < count; ++i) {
+ UnmanagedSymbol *ubin = lookup_unmanaged_binary (cachedus [i]->addr);
+ if (ubin == cachedus [i])
+ continue;
+ cachedus [i]->parent = ubin;
+ }
+}
+
+static void
+print_usym (UnmanagedSymbol* um)
+{
+ if (um->parent)
+ fprintf (outfile, "\t%6d %6.2f %-36s in %s\n", um->sample_hits, um->sample_hits*100.0/num_stat_samples, um->name, um->parent->name);
+ else
+ fprintf (outfile, "\t%6d %6.2f %s\n", um->sample_hits, um->sample_hits*100.0/num_stat_samples, um->name);
+}
+
+static int
+sym_percent (uintptr_t sample_hits)
+{
+ double pc;
+ if (verbose)
+ return 1;
+ pc = sample_hits*100.0/num_stat_samples;
+ return pc >= 0.1;
+}
+
+static void
+dump_samples (void)
+{
+ int i, u;
+ int count = 0, msize = 0;
+ int unmanaged_hits = 0;
+ int unresolved_hits = 0;
+ MethodDesc** cachedm = NULL;
+ int ucount = 0, usize = 0;
+ UnmanagedSymbol** cachedus = NULL;
+ if (!num_stat_samples)
+ return;
+ qsort (usymbols, usymbols_num, sizeof (UnmanagedSymbol*), compare_usymbol_addr);
+ for (i = 0; i < num_stat_samples; ++i) {
+ MethodDesc *m = lookup_method_by_ip (stat_samples [i]);
+ if (m) {
+ if (!m->sample_hits) {
+ if (count == msize) {
+ msize *= 2;
+ if (!msize)
+ msize = 4;
+ cachedm = realloc (cachedm, sizeof (void*) * msize);
+ }
+ cachedm [count++] = m;
+ }
+ m->sample_hits++;
+ } else {
+ UnmanagedSymbol *usym = lookup_unmanaged_symbol (stat_samples [i]);
+ if (!usym) {
+ unresolved_hits++;
+ //printf ("unmanaged hit at %p\n", (void*)stat_samples [i]);
+ usym = lookup_unmanaged_binary (stat_samples [i]);
+ }
+ if (usym) {
+ if (!usym->sample_hits) {
+ if (ucount == usize) {
+ usize *= 2;
+ if (!usize)
+ usize = 4;
+ cachedus = realloc (cachedus, sizeof (void*) * usize);
+ }
+ cachedus [ucount++] = usym;
+ }
+ usym->sample_hits++;
+ }
+ unmanaged_hits++;
+ }
+ }
+ qsort (cachedm, count, sizeof (MethodDesc*), compare_method_samples);
+ qsort (cachedus, ucount, sizeof (UnmanagedSymbol*), compare_usymbol_samples);
+ set_usym_parent (cachedus, ucount);
+ fprintf (outfile, "\nStatistical samples summary\n");
+ fprintf (outfile, "\tSample type: %s\n", sample_type_name (stat_sample_desc [0]));
+ fprintf (outfile, "\tUnmanaged hits: %6d (%4.1f%%)\n", unmanaged_hits, (100.0*unmanaged_hits)/num_stat_samples);
+ fprintf (outfile, "\tManaged hits: %6d (%4.1f%%)\n", num_stat_samples - unmanaged_hits, (100.0*(num_stat_samples-unmanaged_hits))/num_stat_samples);
+ fprintf (outfile, "\tUnresolved hits: %6d (%4.1f%%)\n", unresolved_hits, (100.0*unresolved_hits)/num_stat_samples);
+ fprintf (outfile, "\t%6s %6s %s\n", "Hits", "%", "Method name");
+ i = 0;
+ u = 0;
+ while (i < count || u < ucount) {
+ if (i < count) {
+ MethodDesc *m = cachedm [i];
+ if (u < ucount) {
+ UnmanagedSymbol *um = cachedus [u];
+ if (um->sample_hits > m->sample_hits) {
+ if (!sym_percent (um->sample_hits))
+ break;
+ print_usym (um);
+ u++;
+ continue;
+ }
+ }
+ if (!sym_percent (m->sample_hits))
+ break;
+ fprintf (outfile, "\t%6d %6.2f %s\n", m->sample_hits, m->sample_hits*100.0/num_stat_samples, m->name);
+ i++;
+ continue;
+ }
+ if (u < ucount) {
+ UnmanagedSymbol *um = cachedus [u];
+ if (!sym_percent (um->sample_hits))
+ break;
+ print_usym (um);
+ u++;
+ continue;
+ }
+ }
+}
+
typedef struct _HeapClassDesc HeapClassDesc;
typedef struct {
HeapClassDesc *klass;
HeapClassRevRef *rev_hash;
int rev_hash_size;
int rev_count;
+ uintptr_t pinned_references;
+ uintptr_t root_references;
};
static int
HeapObjectDesc **objects_hash;
uintptr_t objects_count;
uintptr_t objects_hash_size;
+ uintptr_t num_roots;
+ uintptr_t *roots;
+ uintptr_t *roots_extra;
+ int *roots_types;
};
static HeapShot *heap_shots = NULL;
i = 0;
} while (i != start_pos);
/* should not happen */
- printf ("failed heap obj update\n");
+ //printf ("failed heap obj slot\n");
return -1;
}
}
}
+#define MARK_GRAY 1
+#define MARK_BLACK 2
+
+static void
+heap_shot_mark_objects (HeapShot *hs)
+{
+ uintptr_t i, oi, r;
+ unsigned char *marks;
+ HeapObjectDesc *obj, *ref;
+ int marked_some;
+ uintptr_t num_marked = 0, num_unmarked;
+ for (i = 0; i < hs->num_roots; ++i) {
+ HeapClassDesc *cd;
+ oi = heap_shot_find_obj_slot (hs, hs->roots [i]);
+ if (oi == -1) {
+ continue;
+ }
+ obj = hs->objects_hash [oi];
+ cd = obj->hklass;
+ if (hs->roots_types [i] & MONO_PROFILE_GC_ROOT_PINNING)
+ cd->pinned_references++;
+ cd->root_references++;
+ }
+ if (!debug)
+ return;
+ /* consistency checks: it seems not all the objects are walked in the heap in some cases */
+ marks = calloc (hs->objects_hash_size, 1);
+ if (!marks)
+ return;
+ for (i = 0; i < hs->num_roots; ++i) {
+ oi = heap_shot_find_obj_slot (hs, hs->roots [i]);
+ if (oi == -1) {
+ fprintf (outfile, "root type 0x%x for obj %p (%s) not found in heap\n", hs->roots_types [i], (void*)hs->roots [i], lookup_class (hs->roots_extra [i])->name);
+ continue;
+ }
+ obj = hs->objects_hash [oi];
+ if (!marks [oi]) {
+ marks [oi] = obj->num_refs? MARK_GRAY: MARK_BLACK;
+ num_marked++;
+ }
+ }
+ marked_some = 1;
+ while (marked_some) {
+ marked_some = 0;
+ for (i = 0; i < hs->objects_hash_size; ++i) {
+ if (marks [i] != MARK_GRAY)
+ continue;
+ marks [i] = MARK_BLACK;
+ obj = hs->objects_hash [i];
+ for (r = 0; r < obj->num_refs; ++r) {
+ oi = heap_shot_find_obj_slot (hs, obj->refs [r]);
+ if (oi == -1) {
+ fprintf (outfile, "referenced obj %p not found in heap\n", (void*)obj->refs [r]);
+ continue;
+ }
+ ref = hs->objects_hash [oi];
+ if (!marks [oi]) {
+ marks [oi] = ref->num_refs? MARK_GRAY: MARK_BLACK;
+ }
+ }
+ marked_some++;
+ }
+ }
+
+ num_unmarked = 0;
+ for (i = 0; i < hs->objects_hash_size; ++i) {
+ if (hs->objects_hash [i] && !marks [i]) {
+ num_unmarked++;
+ fprintf (outfile, "object %p (%s) unmarked\n", (void*)hs->objects_hash [i], hs->objects_hash [i]->hklass->klass->name);
+ }
+ }
+ fprintf (outfile, "Total unmarked: %d/%d\n", num_unmarked, hs->objects_count);
+ free (marks);
+}
+
static void
heap_shot_free_objects (HeapShot *hs)
{
hs->objects_count = 0;
}
+
struct _BackTrace {
BackTrace *next;
unsigned int hash;
int version_minor;
int timer_overhead;
int pid;
+ int port;
uint64_t startup_time;
ThreadContext *threads;
ThreadContext *current;
int stack_size;
int stack_id;
HeapShot *current_heap_shot;
+ uintptr_t num_roots;
+ uintptr_t size_roots;
+ uintptr_t *roots;
+ uintptr_t *roots_extra;
+ int *roots_types;
+ uint64_t gc_start_times [3];
};
static void
if (r == 0)
return size == 0? 1: 0;
return r == size;
- } else {
+ } else
#endif
+ {
int r = fread (ctx->buf, size, 1, ctx->file);
if (r == 0)
return size == 0? 1: 0;
return bt;
}
+static void
+thread_add_root (ThreadContext *ctx, uintptr_t obj, int root_type, uintptr_t extra_info)
+{
+ if (ctx->num_roots == ctx->size_roots) {
+ int new_size = ctx->size_roots * 2;
+ if (!new_size)
+ new_size = 4;
+ ctx->roots = realloc (ctx->roots, new_size * sizeof (uintptr_t));
+ ctx->roots_extra = realloc (ctx->roots_extra, new_size * sizeof (uintptr_t));
+ ctx->roots_types = realloc (ctx->roots_types, new_size * sizeof (int));
+ ctx->size_roots = new_size;
+ }
+ ctx->roots_types [ctx->num_roots] = root_type;
+ ctx->roots_extra [ctx->num_roots] = extra_info;
+ ctx->roots [ctx->num_roots++] = obj;
+}
+
static int
compare_callc (const void *a, const void *b)
{
}
typedef struct {
- uint64_t start_time; /* move this per-thread? */
uint64_t total_time;
uint64_t max_time;
int count;
typedef struct {
uint64_t created;
uint64_t destroyed;
+ uint64_t live;
uint64_t max_live;
TraceDesc traces;
} HandleInfo;
}
}
+static const char*
+get_root_name (int rtype)
+{
+ switch (rtype & MONO_PROFILE_GC_ROOT_TYPEMASK) {
+ case MONO_PROFILE_GC_ROOT_STACK: return "stack";
+ case MONO_PROFILE_GC_ROOT_FINALIZER: return "finalizer";
+ case MONO_PROFILE_GC_ROOT_HANDLE: return "handle";
+ case MONO_PROFILE_GC_ROOT_OTHER: return "other";
+ case MONO_PROFILE_GC_ROOT_MISC: return "misc";
+ default: return "unknown";
+ }
+}
+
static MethodDesc**
decode_bt (MethodDesc** sframes, int *size, unsigned char *p, unsigned char **endp, intptr_t ptr_base)
{
uint64_t ev = decode_uleb128 (p, &p);
int gen = decode_uleb128 (p, &p);
if (debug)
- fprintf (outfile, "gc event for gen%d: %s at %llu\n", gen - 1, gc_event_name (ev), time_base);
+ fprintf (outfile, "gc event for gen%d: %s at %llu (thread: 0x%x)\n", gen, gc_event_name (ev), time_base, thread->thread_id);
if (gen > 2) {
fprintf (outfile, "incorrect gc gen: %d\n", gen);
break;
}
if (ev == MONO_GC_EVENT_START) {
- gc_info [gen].start_time = time_base;
+ thread->gc_start_times [gen] = time_base;
gc_info [gen].count++;
} else if (ev == MONO_GC_EVENT_END) {
- tdiff = time_base - gc_info [gen].start_time;
+ tdiff = time_base - thread->gc_start_times [gen];
gc_info [gen].total_time += tdiff;
if (tdiff > gc_info [gen].max_time)
gc_info [gen].max_time = tdiff;
if (htype > 3)
return 0;
handle_info [htype].created++;
+ handle_info [htype].live++;
add_trace_thread (thread, &handle_info [htype].traces, 1);
/* FIXME: we don't take into account timing here */
- if (handle_info [htype].created > handle_info [htype].max_live)
- handle_info [htype].max_live = handle_info [htype].created;
+ if (handle_info [htype].live > handle_info [htype].max_live)
+ handle_info [htype].max_live = handle_info [htype].live;
if (num_tracked_objects)
track_handle (OBJ_ADDR (objdiff), htype, handle);
if (debug)
uint32_t handle = decode_uleb128 (p, &p);
if (htype > 3)
return 0;
- handle_info [htype].created--;
+ handle_info [htype].destroyed ++;
+ handle_info [htype].live--;
if (debug)
fprintf (outfile, "handle (%s) %u destroyed\n", get_handle_name (htype), handle);
}
intptr_t codediff = decode_sleb128 (p, &p);
int codelen = decode_uleb128 (p, &p);
if (debug)
- fprintf (outfile, "jitted method %p (%s), size: %d\n", (void*)(method_base), p, codelen);
+ fprintf (outfile, "jitted method %p (%s), size: %d, code: %p\n", (void*)(method_base), p, codelen, (void*)(ptr_base + codediff));
add_method (method_base, (char*)p, ptr_base + codediff, codelen);
while (*p) p++;
p++;
}
if (debug && size)
fprintf (outfile, "traced object %p, size %llu (%s), refs: %d\n", (void*)OBJ_ADDR (objdiff), size, cd->name, num);
+ } else if (subtype == TYPE_HEAP_ROOT) {
+ uintptr_t num = decode_uleb128 (p + 1, &p);
+ uintptr_t gc_num = decode_uleb128 (p, &p);
+ int i;
+ for (i = 0; i < num; ++i) {
+ intptr_t objdiff = decode_sleb128 (p, &p);
+ int root_type = decode_uleb128 (p, &p);
+ /* we just discard the extra info for now */
+ uintptr_t extra_info = decode_uleb128 (p, &p);
+ if (debug)
+ fprintf (outfile, "object %p is a %s root\n", (void*)OBJ_ADDR (objdiff), get_root_name (root_type));
+ if (collect_traces)
+ thread_add_root (thread, OBJ_ADDR (objdiff), root_type, extra_info);
+ }
} else if (subtype == TYPE_HEAP_END) {
uint64_t tdiff = decode_uleb128 (p + 1, &p);
LOG_TIME (time_base, tdiff);
if (debug)
fprintf (outfile, "heap shot end\n");
if (collect_traces) {
- heap_shot_resolve_reverse_refs (thread->current_heap_shot);
- heap_shot_free_objects (thread->current_heap_shot);
+ HeapShot *hs = thread->current_heap_shot;
+ if (hs && thread->num_roots) {
+ /* transfer the root ownershipt to the heapshot */
+ hs->num_roots = thread->num_roots;
+ hs->roots = thread->roots;
+ hs->roots_extra = thread->roots_extra;
+ hs->roots_types = thread->roots_types;
+ } else {
+ free (thread->roots);
+ free (thread->roots_extra);
+ free (thread->roots_types);
+ }
+ thread->num_roots = 0;
+ thread->size_roots = 0;
+ thread->roots = NULL;
+ thread->roots_extra = NULL;
+ thread->roots_types = NULL;
+ heap_shot_resolve_reverse_refs (hs);
+ heap_shot_mark_objects (hs);
+ heap_shot_free_objects (hs);
}
thread->current_heap_shot = NULL;
} else if (subtype == TYPE_HEAP_START) {
}
break;
}
+ case TYPE_SAMPLE: {
+ int subtype = *p & 0xf0;
+ if (subtype == TYPE_SAMPLE_HIT) {
+ int i;
+ int sample_type = decode_uleb128 (p + 1, &p);
+ uint64_t tstamp = decode_uleb128 (p, &p);
+ int count = decode_uleb128 (p, &p);
+ for (i = 0; i < count; ++i) {
+ uintptr_t ip = ptr_base + decode_sleb128 (p, &p);
+ add_stat_sample (sample_type, ip);
+ if (debug)
+ fprintf (outfile, "sample hit, type: %d at %p\n", sample_type, (void*)ip);
+ }
+ } else if (subtype == TYPE_SAMPLE_USYM) {
+ /* un unmanaged symbol description */
+ uintptr_t addr = ptr_base + decode_sleb128 (p + 1, &p);
+ uintptr_t size = decode_uleb128 (p, &p);
+ char *name;
+ name = pstrdup ((char*)p);
+ add_unmanaged_symbol (addr, name, size);
+ if (debug)
+ fprintf (outfile, "unmanaged symbol %s at %p\n", name, (void*)addr);
+ while (*p) p++;
+ p++;
+ } else if (subtype == TYPE_SAMPLE_UBIN) {
+ /* un unmanaged binary loaded in memory */
+ uint64_t tdiff = decode_uleb128 (p + 1, &p);
+ uintptr_t addr = decode_sleb128 (p, &p);
+ uint64_t offset = decode_uleb128 (p, &p);
+ uintptr_t size = decode_uleb128 (p, &p);
+ char *name;
+ LOG_TIME (time_base, tdiff);
+ time_base += tdiff;
+ name = pstrdup ((char*)p);
+ add_unmanaged_binary (addr, name, size);
+ if (debug)
+ fprintf (outfile, "unmanaged binary %s at %p\n", name, (void*)addr);
+ while (*p) p++;
+ p++;
+ } else {
+ return 0;
+ }
+ break;
+ }
default:
fprintf (outfile, "unhandled profiler event: 0x%x at file offset: %llu + %d (len: %d\n)\n", *p, file_offset, p - ctx->buf, len);
exit (1);
ctx->startup_time = read_int64 (p + 8);
ctx->timer_overhead = read_int32 (p + 16);
ctx->pid = read_int32 (p + 24);
+ ctx->port = read_int16 (p + 28);
return ctx;
}
fprintf (outfile, "\tProgram startup: %s", t);
if (ctx->pid)
fprintf (outfile, "\tProgram ID: %d\n", ctx->pid);
+ if (ctx->port)
+ fprintf (outfile, "\tServer listening on: %d\n", ctx->port);
}
static void
}
}
+static void
+dump_jit (void)
+{
+ int i;
+ int code_size = 0;
+ int compiled_methods = 0;
+ MethodDesc* m;
+ fprintf (outfile, "\nJIT summary\n");
+ for (i = 0; i < HASH_SIZE; ++i) {
+ m = method_hash [i];
+ for (m = method_hash [i]; m; m = m->next) {
+ if (!m->code)
+ continue;
+ compiled_methods++;
+ code_size += m->len;
+ }
+ }
+ fprintf (outfile, "\tCompiled methods: %d\n", compiled_methods);
+ fprintf (outfile, "\tGenerated code size: %d\n", code_size);
+}
+
static void
dump_allocations (void)
{
}
hs->sorted = sorted;
qsort (sorted, ccount, sizeof (void*), compare_heap_class);
- fprintf (outfile, "\n\tHeap shot %d at %.3f secs: size: %llu, object count: %llu, class count: %d\n",
- hs_num, (hs->timestamp - startup_time)/1000000000.0, size, count, ccount);
+ fprintf (outfile, "\n\tHeap shot %d at %.3f secs: size: %llu, object count: %llu, class count: %d, roots: %d\n",
+ hs_num, (hs->timestamp - startup_time)/1000000000.0, size, count, ccount, hs->num_roots);
if (!verbose && ccount > 30)
ccount = 30;
fprintf (outfile, "\t%10s %10s %8s Class name\n", "Bytes", "Count", "Average");
}
assert (cd->rev_count == k);
qsort (rev_sorted, cd->rev_count, sizeof (HeapClassRevRef), compare_rev_class);
+ if (cd->root_references)
+ fprintf (outfile, "\t\t%d root references (%d pinning)\n", cd->root_references, cd->pinned_references);
dump_rev_claases (rev_sorted, cd->rev_count);
free (rev_sorted);
}
}
}
-static const char *reports = "header,gc,alloc,call,metadata,exception,monitor,thread,heapshot";
+static const char *reports = "header,jit,gc,sample,alloc,call,metadata,exception,monitor,thread,heapshot";
static const char*
match_option (const char *p, const char *opt)
dump_gcs ();
continue;
}
+ if ((opt = match_option (p, "jit")) != p) {
+ if (!parse_only)
+ dump_jit ();
+ continue;
+ }
if ((opt = match_option (p, "alloc")) != p) {
if (!parse_only)
dump_allocations ();
dump_heap_shots ();
continue;
}
+ if ((opt = match_option (p, "sample")) != p) {
+ if (!parse_only)
+ dump_samples ();
+ continue;
+ }
return 0;
}
return 1;