/
memprof.c
1973 lines (1644 loc) · 54 KB
/
memprof.c
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#include <ruby.h>
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <assert.h>
#include <err.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sysexits.h>
#include <st.h>
#include <intern.h>
#include <node.h>
#include "arch.h"
#include "bin_api.h"
#include "tracer.h"
#include "tramp.h"
#include "util.h"
/*
* bleak_house stuff
*/
static VALUE eUnsupported;
static int track_objs = 0;
static int memprof_started = 0;
static st_table *objs = NULL;
/*
* stuff needed for heap dumping
*/
static VALUE (*rb_classname)(VALUE);
static RUBY_DATA_FUNC *rb_bm_mark;
static RUBY_DATA_FUNC *rb_blk_free;
static RUBY_DATA_FUNC *rb_thread_mark;
struct memprof_config memprof_config;
/*
* memprof config struct init
*/
static void init_memprof_config_base();
static void init_memprof_config_extended();
struct obj_track {
VALUE obj;
char *source;
int line;
int len;
struct timeval time[];
};
static VALUE gc_hook;
static void **ptr_to_rb_mark_table_add_filename = NULL;
static void (*rb_mark_table_add_filename)(char*);
static void (*rb_add_freelist)(VALUE);
static int
ree_sourcefile_mark_each(st_data_t key, st_data_t val, st_data_t arg)
{
struct obj_track *tracker = (struct obj_track *)val;
assert(tracker != NULL);
if (tracker->source)
rb_mark_table_add_filename(tracker->source);
return ST_CONTINUE;
}
static int
mri_sourcefile_mark_each(st_data_t key, st_data_t val, st_data_t arg)
{
struct obj_track *tracker = (struct obj_track *)val;
assert(tracker != NULL);
if (tracker->source)
(tracker->source)[-1] = 1;
return ST_CONTINUE;
}
/* Accomodate the different source file marking techniques of MRI and REE.
*
* The function pointer for REE changes depending on whether COW is enabled,
* which can be toggled at runtime. We need to deference it to get the
* real function every time we come here, as it may have changed.
*/
static void
sourcefile_marker()
{
if (ptr_to_rb_mark_table_add_filename) {
rb_mark_table_add_filename = *ptr_to_rb_mark_table_add_filename;
assert(rb_mark_table_add_filename != NULL);
st_foreach(objs, ree_sourcefile_mark_each, (st_data_t)NULL);
} else {
st_foreach(objs, mri_sourcefile_mark_each, (st_data_t)NULL);
}
}
static VALUE
newobj_tramp()
{
VALUE ret = rb_newobj();
struct obj_track *tracker = NULL;
if (track_objs && objs) {
tracker = malloc(sizeof(*tracker) + sizeof(struct timeval));
if (tracker) {
if (ruby_current_node && ruby_current_node->nd_file &&
*ruby_current_node->nd_file) {
tracker->source = ruby_current_node->nd_file;
tracker->line = nd_line(ruby_current_node);
} else if (ruby_sourcefile) {
tracker->source = ruby_sourcefile;
tracker->line = ruby_sourceline;
} else {
tracker->source = NULL;
tracker->line = 0;
}
tracker->obj = ret;
tracker->len = 1;
/* TODO a way for the user to disallow time tracking */
if (gettimeofday(&tracker->time[0], NULL) == -1) {
perror("gettimeofday failed. Continuing anyway, error");
}
rb_gc_disable();
st_insert(objs, (st_data_t)ret, (st_data_t)tracker);
rb_gc_enable();
} else {
fprintf(stderr, "Warning, unable to allocate a tracker. "
"You are running dangerously low on RAM!\n");
}
}
return ret;
}
static void
freelist_tramp(unsigned long rval)
{
struct obj_track *tracker = NULL;
if (rb_add_freelist) {
rb_add_freelist(rval);
}
if (track_objs && objs) {
st_delete(objs, (st_data_t *) &rval, (st_data_t *) &tracker);
if (tracker) {
free(tracker);
}
}
}
static int
objs_free(st_data_t key, st_data_t record, st_data_t arg)
{
struct obj_track *tracker = (struct obj_track *)record;
free(tracker);
return ST_DELETE;
}
static int
objs_tabulate(st_data_t key, st_data_t record, st_data_t arg)
{
st_table *table = (st_table *)arg;
struct obj_track *tracker = (struct obj_track *)record;
char *source_key = NULL;
unsigned long count = 0;
char *type = NULL;
int bytes_printed = 0;
switch (TYPE(tracker->obj)) {
case T_NONE:
type = "__none__"; break;
case T_BLKTAG:
type = "__blktag__"; break;
case T_UNDEF:
type = "__undef__"; break;
case T_VARMAP:
type = "__varmap__"; break;
case T_SCOPE:
type = "__scope__"; break;
case T_NODE:
type = "__node__"; break;
default:
if (RBASIC(tracker->obj)->klass) {
type = (char*) rb_obj_classname(tracker->obj);
} else {
type = "__unknown__";
}
}
bytes_printed = asprintf(&source_key, "%s:%d:%s", tracker->source ? tracker->source : "__null__", tracker->line, type);
assert(bytes_printed != -1);
st_lookup(table, (st_data_t)source_key, (st_data_t *)&count);
if (st_insert(table, (st_data_t)source_key, ++count)) {
free(source_key);
}
return ST_CONTINUE;
}
struct results {
char **entries;
size_t num_entries;
};
static int
objs_to_array(st_data_t key, st_data_t record, st_data_t arg)
{
struct results *res = (struct results *)arg;
unsigned long count = (unsigned long)record;
char *source = (char *)key;
int bytes_printed = 0;
bytes_printed = asprintf(&(res->entries[res->num_entries++]), "%7li %s", count, source);
assert(bytes_printed != -1);
free(source);
return ST_DELETE;
}
static VALUE
memprof_start(VALUE self)
{
if (!memprof_started) {
insert_tramp("rb_newobj", newobj_tramp);
insert_tramp("add_freelist", freelist_tramp);
memprof_started = 1;
}
if (track_objs == 1)
return Qfalse;
track_objs = 1;
return Qtrue;
}
static VALUE
memprof_stop(VALUE self)
{
/* TODO: remove trampolines and set memprof_started = 0 */
if (track_objs == 0)
return Qfalse;
track_objs = 0;
st_foreach(objs, objs_free, (st_data_t)0);
return Qtrue;
}
static int
memprof_strcmp(const void *obj1, const void *obj2)
{
char *str1 = *(char **)obj1;
char *str2 = *(char **)obj2;
return strcmp(str2, str1);
}
static VALUE
memprof_stats(int argc, VALUE *argv, VALUE self)
{
st_table *tmp_table;
struct results res;
size_t i;
VALUE str;
FILE *out = NULL;
if (!track_objs)
rb_raise(rb_eRuntimeError, "object tracking disabled, call Memprof.start first");
rb_scan_args(argc, argv, "01", &str);
if (RTEST(str)) {
out = fopen(StringValueCStr(str), "w");
if (!out)
rb_raise(rb_eArgError, "unable to open output file");
}
track_objs = 0;
tmp_table = st_init_strtable();
st_foreach(objs, objs_tabulate, (st_data_t)tmp_table);
res.num_entries = 0;
res.entries = malloc(sizeof(char*) * tmp_table->num_entries);
st_foreach(tmp_table, objs_to_array, (st_data_t)&res);
st_free_table(tmp_table);
qsort(res.entries, res.num_entries, sizeof(char*), &memprof_strcmp);
for (i=0; i < res.num_entries; i++) {
fprintf(out ? out : stderr, "%s\n", res.entries[i]);
free(res.entries[i]);
}
free(res.entries);
if (out)
fclose(out);
track_objs = 1;
return Qnil;
}
static VALUE
memprof_stats_bang(int argc, VALUE *argv, VALUE self)
{
memprof_stats(argc, argv, self);
st_foreach(objs, objs_free, (st_data_t)0);
return Qnil;
}
static void
json_print(void *ctx, const char * str, unsigned int len)
{
FILE *out = (FILE *)ctx;
size_t written = 0;
while(1) {
written += fwrite(str + written, sizeof(char), len - written, out ? out : stdout);
if (written == len) break;
}
if (str && len > 0 && str[0] == '\n' && out)
fflush(out);
}
static VALUE
memprof_track(int argc, VALUE *argv, VALUE self)
{
if (!rb_block_given_p())
rb_raise(rb_eArgError, "block required");
memprof_start(self);
rb_yield(Qnil);
memprof_stats(argc, argv, self);
memprof_stop(self);
return Qnil;
}
static json_gen_status
json_gen_id(json_gen gen, ID id)
{
if (id) {
if (id < 100)
return json_gen_format(gen, ":%c", id);
else
return json_gen_format(gen, ":%s", rb_id2name(id));
} else
return json_gen_null(gen);
}
static json_gen_status
json_gen_value(json_gen gen, VALUE obj)
{
if (FIXNUM_P(obj))
return json_gen_integer(gen, NUM2LONG(obj));
else if (NIL_P(obj) || obj == Qundef)
return json_gen_null(gen);
else if (obj == Qtrue)
return json_gen_bool(gen, 1);
else if (obj == Qfalse)
return json_gen_bool(gen, 0);
else if (SYMBOL_P(obj))
return json_gen_id(gen, SYM2ID(obj));
else
return json_gen_pointer(gen, (void*)obj);
}
static json_gen_config fancy_conf = { .beautify = 1, .indentString = " " };
static json_gen_config basic_conf = { .beautify = 0, .indentString = " " };
static json_gen
json_for_args(int argc, VALUE *argv)
{
FILE *out = NULL;
VALUE str;
rb_scan_args(argc, argv, "01", &str);
if (RTEST(str)) {
out = fopen(StringValueCStr(str), "w");
if (!out)
rb_raise(rb_eArgError, "unable to open output file");
}
if (!out)
out = stderr;
json_gen gen = json_gen_alloc2((json_print_t)&json_print, out == stderr ? &fancy_conf : &basic_conf, NULL, (void*)out);
return gen;
}
static void
json_free(json_gen gen)
{
FILE *out = (FILE*)gen->ctx;
if (out != stderr)
fclose(out);
json_gen_free(gen);
}
static VALUE
memprof_trace(int argc, VALUE *argv, VALUE self)
{
if (!rb_block_given_p())
rb_raise(rb_eArgError, "block required");
json_gen gen = json_for_args(argc, argv);
trace_set_output(gen);
json_gen_map_open(gen);
trace_invoke_all(TRACE_RESET);
trace_invoke_all(TRACE_START);
VALUE ret = rb_yield(Qnil);
trace_invoke_all(TRACE_DUMP);
trace_invoke_all(TRACE_STOP);
json_gen_map_close(gen);
json_gen_reset(gen);
json_free(gen);
trace_set_output(NULL);
return ret;
}
static int
each_request_entry(st_data_t key, st_data_t record, st_data_t arg)
{
json_gen gen = (json_gen)arg;
VALUE k = (VALUE)key;
VALUE v = (VALUE)record;
if (RTEST(v) && BUILTIN_TYPE(v) == T_STRING && RTEST(k) && BUILTIN_TYPE(k) == T_STRING &&
RSTRING_PTR(k)[0] >= 65 && RSTRING_PTR(k)[0] <= 90) {
json_gen_cstr(gen, StringValueCStr(k));
json_gen_cstr(gen, StringValueCStr(v));
}
return ST_CONTINUE;
}
static VALUE tracing_json_filename = Qnil;
static json_gen tracing_json_gen = NULL;
static VALUE
memprof_trace_filename_set(int argc, VALUE *argv, VALUE self)
{
if (tracing_json_gen) {
json_free(tracing_json_gen);
tracing_json_gen = NULL;
}
if (!RTEST(*argv)) {
tracing_json_filename = Qnil;
} else {
tracing_json_gen = json_for_args(argc, argv);
tracing_json_filename = *argv;
}
return tracing_json_filename;
}
static VALUE
memprof_trace_filename_get(VALUE self)
{
return tracing_json_filename;
}
static VALUE
memprof_trace_request(VALUE self, VALUE env)
{
if (!rb_block_given_p())
rb_raise(rb_eArgError, "block required");
uint64_t start_time;
uint64_t end_time;
char str_time[32];
json_gen gen;
if (tracing_json_gen)
gen = tracing_json_gen;
else
gen = json_for_args(0, NULL);
json_gen_map_open(gen);
json_gen_cstr(gen, "start");
start_time = timeofday_ms();
sprintf(str_time, "%" PRIu64, start_time);
json_gen_number(gen, str_time, strlen(str_time));
json_gen_cstr(gen, "tracers");
json_gen_map_open(gen);
trace_set_output(gen);
trace_invoke_all(TRACE_RESET);
trace_invoke_all(TRACE_START);
start_time = timeofday_ms();
VALUE ret = rb_yield(Qnil);
end_time = timeofday_ms();
trace_invoke_all(TRACE_DUMP);
trace_invoke_all(TRACE_STOP);
json_gen_map_close(gen);
if (RTEST(env) && TYPE(env) == T_HASH) {
VALUE val, str;
val = rb_hash_aref(env, rb_str_new2("action_controller.request.path_parameters"));
if (!RTEST(val))
val = rb_hash_aref(env, rb_str_new2("action_dispatch.request.parameters"));
if (RTEST(val) && TYPE(val) == T_HASH) {
json_gen_cstr(gen, "rails");
json_gen_map_open(gen);
str = rb_hash_aref(val, rb_str_new2("controller"));
if (RTEST(str) && TYPE(str) == T_STRING) {
json_gen_cstr(gen, "controller");
json_gen_cstr(gen, RSTRING_PTR(str));
}
str = rb_hash_aref(val, rb_str_new2("action"));
if (RTEST(str) && TYPE(str) == T_STRING) {
json_gen_cstr(gen, "action");
json_gen_cstr(gen, RSTRING_PTR(str));
}
json_gen_map_close(gen);
}
json_gen_cstr(gen, "request");
json_gen_map_open(gen);
// struct RHash *hash = RHASH(env);
// st_foreach(hash->tbl, each_request_entry, (st_data_t)gen);
#define DUMP_HASH_ENTRY(key) do { \
str = rb_hash_aref(env, rb_str_new2(key)); \
if (RTEST(str) && \
TYPE(str) == T_STRING && \
RSTRING_PTR(str)) { \
json_gen_cstr(gen, key); \
json_gen_cstr(gen, RSTRING_PTR(str)); \
} \
} while(0)
// DUMP_HASH_ENTRY("HTTP_USER_AGENT");
DUMP_HASH_ENTRY("REQUEST_PATH");
DUMP_HASH_ENTRY("PATH_INFO");
DUMP_HASH_ENTRY("REMOTE_ADDR");
DUMP_HASH_ENTRY("REQUEST_URI");
DUMP_HASH_ENTRY("REQUEST_METHOD");
DUMP_HASH_ENTRY("QUERY_STRING");
json_gen_map_close(gen);
}
if (RTEST(ret) && TYPE(ret) == T_ARRAY) {
json_gen_cstr(gen, "response");
json_gen_map_open(gen);
json_gen_cstr(gen, "code");
json_gen_value(gen, RARRAY_PTR(ret)[0]);
json_gen_map_close(gen);
}
json_gen_cstr(gen, "time");
json_gen_integer(gen, end_time-start_time);
json_gen_map_close(gen);
json_gen_reset(gen);
if (gen != tracing_json_gen)
json_free(gen);
return ret;
}
#include "json.h"
#include "env.h"
#include "rubyio.h"
#include "re.h"
#ifndef RARRAY_PTR
#define RARRAY_PTR(ary) RARRAY(ary)->ptr
#endif
#ifndef RARRAY_LEN
#define RARRAY_LEN(ary) RARRAY(ary)->len
#endif
#ifndef RSTRING_PTR
#define RSTRING_PTR(str) RSTRING(str)->ptr
#endif
#ifndef RSTRING_LEN
#define RSTRING_LEN(str) RSTRING(str)->len
#endif
static int
each_hash_entry(st_data_t key, st_data_t record, st_data_t arg)
{
json_gen gen = (json_gen)arg;
VALUE k = (VALUE)key;
VALUE v = (VALUE)record;
json_gen_array_open(gen);
json_gen_value(gen, k);
json_gen_value(gen, v);
json_gen_array_close(gen);
return ST_CONTINUE;
}
static int
each_ivar(st_data_t key, st_data_t record, st_data_t arg)
{
json_gen gen = (json_gen)arg;
ID id = (ID)key;
VALUE val = (VALUE)record;
const char *name = rb_id2name(id);
json_gen_cstr(gen, name ? name : "(none)");
json_gen_value(gen, val);
return ST_CONTINUE;
}
static char *
nd_type_str(VALUE obj)
{
switch(nd_type(obj)) {
#define ND(type) case NODE_##type: return #type;
ND(METHOD); ND(FBODY); ND(CFUNC); ND(SCOPE);
ND(BLOCK); ND(IF); ND(CASE); ND(WHEN);
ND(OPT_N); ND(WHILE); ND(UNTIL); ND(ITER);
ND(FOR); ND(BREAK); ND(NEXT); ND(REDO);
ND(RETRY); ND(BEGIN); ND(RESCUE); ND(RESBODY);
ND(ENSURE); ND(AND); ND(OR); ND(NOT);
ND(MASGN); ND(LASGN); ND(DASGN); ND(DASGN_CURR);
ND(GASGN); ND(IASGN); ND(CDECL); ND(CVASGN);
ND(CVDECL); ND(OP_ASGN1); ND(OP_ASGN2); ND(OP_ASGN_AND);
ND(OP_ASGN_OR); ND(CALL); ND(FCALL); ND(VCALL);
ND(SUPER); ND(ZSUPER); ND(ARRAY); ND(ZARRAY);
ND(HASH); ND(RETURN); ND(YIELD); ND(LVAR);
ND(DVAR); ND(GVAR); ND(IVAR); ND(CONST);
ND(CVAR); ND(NTH_REF); ND(BACK_REF); ND(MATCH);
ND(MATCH2); ND(MATCH3); ND(LIT); ND(STR);
ND(DSTR); ND(XSTR); ND(DXSTR); ND(EVSTR);
ND(DREGX); ND(DREGX_ONCE); ND(ARGS); ND(ARGSCAT);
ND(ARGSPUSH); ND(SPLAT); ND(TO_ARY); ND(SVALUE);
ND(BLOCK_ARG); ND(BLOCK_PASS); ND(DEFN); ND(DEFS);
ND(ALIAS); ND(VALIAS); ND(UNDEF); ND(CLASS);
ND(MODULE); ND(SCLASS); ND(COLON2); ND(COLON3)
ND(CREF); ND(DOT2); ND(DOT3); ND(FLIP2);
ND(FLIP3); ND(ATTRSET); ND(SELF); ND(NIL);
ND(TRUE); ND(FALSE); ND(DEFINED); ND(NEWLINE);
ND(POSTEXE); ND(ALLOCA); ND(DMETHOD); ND(BMETHOD);
ND(MEMO); ND(IFUNC); ND(DSYM); ND(ATTRASGN);
ND(LAST);
default:
return "unknown";
}
}
static inline void
obj_dump_class(json_gen gen, VALUE obj)
{
if (RBASIC(obj)->klass) {
json_gen_cstr(gen, "class");
json_gen_value(gen, RBASIC(obj)->klass);
VALUE name = rb_classname(RBASIC(obj)->klass);
if (RTEST(name)) {
json_gen_cstr(gen, "class_name");
json_gen_cstr(gen, RSTRING_PTR(name));
}
}
}
/* TODO
* look for FL_EXIVAR flag and print ivars
* print more detail about Proc/struct BLOCK in T_DATA if freefunc == blk_free
* add Memprof.dump_all for full heap dump
* print details on different types of nodes (nd_next, nd_lit, nd_nth, etc)
*/
static void
obj_dump(VALUE obj, json_gen gen)
{
int type;
json_gen_map_open(gen);
json_gen_cstr(gen, "_id");
json_gen_value(gen, obj);
struct obj_track *tracker = NULL;
if (st_lookup(objs, (st_data_t)obj, (st_data_t *)&tracker) && BUILTIN_TYPE(obj) != T_NODE) {
json_gen_cstr(gen, "file");
json_gen_cstr(gen, tracker->source);
json_gen_cstr(gen, "line");
json_gen_integer(gen, tracker->line);
json_gen_cstr(gen, "time");
json_gen_integer(gen, (tracker->time[0].tv_sec * 1000000) + tracker->time[0].tv_usec);
}
json_gen_cstr(gen, "type");
switch (type=BUILTIN_TYPE(obj)) {
case T_DATA:
json_gen_cstr(gen, "data");
obj_dump_class(gen, obj);
if (DATA_PTR(obj)) {
json_gen_cstr(gen, "data");
json_gen_pointer(gen, DATA_PTR(obj));
}
if (RDATA(obj)->dfree == (RUBY_DATA_FUNC)rb_blk_free) {
void *val;
VALUE ptr;
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_body);
if (val) {
json_gen_cstr(gen, "nd_body");
json_gen_pointer(gen, val);
}
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_var);
if (val) {
json_gen_cstr(gen, "nd_var");
json_gen_pointer(gen, val);
}
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_cref);
if (val) {
json_gen_cstr(gen, "nd_cref");
json_gen_pointer(gen, val);
}
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_dyna_vars);
if (val) {
json_gen_cstr(gen, "vars");
json_gen_pointer(gen, val);
}
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_scope);
if (val) {
json_gen_cstr(gen, "scope");
json_gen_pointer(gen, val);
}
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_BLOCK_self);
json_gen_cstr(gen, "self");
json_gen_value(gen, ptr);
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_BLOCK_klass);
json_gen_cstr(gen, "klass");
json_gen_value(gen, ptr);
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_BLOCK_orig_thread);
json_gen_cstr(gen, "thread");
json_gen_value(gen, ptr);
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_BLOCK_wrapper);
if (RTEST(ptr)) {
json_gen_cstr(gen, "wrapper");
json_gen_value(gen, ptr);
}
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_BLOCK_block_obj);
if (RTEST(ptr)) {
json_gen_cstr(gen, "block");
json_gen_value(gen, ptr);
}
/* TODO: is .prev actually useful? refers to non-heap allocated struct BLOCKs,
* but we don't print out any information about those
*/
/*
json_gen_cstr(gen, "prev");
json_gen_array_open(gen);
val = *(void**)(DATA_PTR(obj) + memprof_config.offset_BLOCK_prev);
while (val) {
json_gen_pointer(gen, val);
prev = val;
val = *(void**)(ptr + memprof_config.offset_BLOCK_prev);
if (prev == val)
break;
}
json_gen_array_close(gen);
*/
} else if (RDATA(obj)->dmark == (RUBY_DATA_FUNC)rb_bm_mark) {
VALUE ptr;
ID id, mid;
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_METHOD_klass);
if (RTEST(ptr)) {
json_gen_cstr(gen, "klass");
json_gen_value(gen, ptr);
}
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_METHOD_rklass);
if (RTEST(ptr)) {
json_gen_cstr(gen, "rklass");
json_gen_value(gen, ptr);
}
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_METHOD_recv);
if (RTEST(ptr)) {
json_gen_cstr(gen, "recv");
json_gen_value(gen, ptr);
}
ptr = *(VALUE*)(DATA_PTR(obj) + memprof_config.offset_METHOD_body);
if (RTEST(ptr)) {
json_gen_cstr(gen, "node");
json_gen_value(gen, ptr);
}
mid = *(ID*)(DATA_PTR(obj) + memprof_config.offset_METHOD_id);
if (mid) {
json_gen_cstr(gen, "mid");
json_gen_id(gen, mid);
}
id = *(ID*)(DATA_PTR(obj) + memprof_config.offset_METHOD_oid);
if (id && id != mid) {
json_gen_cstr(gen, "oid");
json_gen_id(gen, id);
}
} else if (RDATA(obj)->dmark == (RUBY_DATA_FUNC)rb_thread_mark) {
rb_thread_t th = (rb_thread_t)DATA_PTR(obj);
if (th == rb_curr_thread) {
json_gen_cstr(gen, "current");
json_gen_bool(gen, 1);
} else {
if (th->dyna_vars) {
json_gen_cstr(gen, "varmap");
json_gen_pointer(gen, th->dyna_vars);
}
json_gen_cstr(gen, "node");
json_gen_pointer(gen, th->node);
json_gen_cstr(gen, "cref");
json_gen_pointer(gen, th->cref);
char *status;
switch (th->status) {
case THREAD_TO_KILL:
status = "to_kill";
break;
case THREAD_RUNNABLE:
status = "runnable";
break;
case THREAD_STOPPED:
status = "stopped";
break;
case THREAD_KILLED:
status = "killed";
break;
default:
status = "unknown";
}
json_gen_cstr(gen, "status");
json_gen_cstr(gen, status);
#define WAIT_FD (1<<0)
#define WAIT_SELECT (1<<1)
#define WAIT_TIME (1<<2)
#define WAIT_JOIN (1<<3)
#define WAIT_PID (1<<4)
json_gen_cstr(gen, "wait_for");
json_gen_array_open(gen);
if (th->wait_for & WAIT_FD)
json_gen_cstr(gen, "fd");
if (th->wait_for & WAIT_SELECT)
json_gen_cstr(gen, "select");
if (th->wait_for & WAIT_TIME)
json_gen_cstr(gen, "time");
if (th->wait_for & WAIT_JOIN)
json_gen_cstr(gen, "join");
if (th->wait_for & WAIT_PID)
json_gen_cstr(gen, "pid");
json_gen_array_close(gen);
if (th->wait_for & WAIT_FD) {
json_gen_cstr(gen, "fd");
json_gen_integer(gen, th->fd);
}
#define DELAY_INFTY 1E30
if (th->wait_for & WAIT_TIME) {
json_gen_cstr(gen, "delay");
if (th->delay == DELAY_INFTY)
json_gen_cstr(gen, "infinity");
else
json_gen_double(gen, th->delay - timeofday());
}
if (th->wait_for & WAIT_JOIN) {
json_gen_cstr(gen, "join");
json_gen_value(gen, th->join->thread);
}
}
json_gen_cstr(gen, "priority");
json_gen_integer(gen, th->priority);
if (th == rb_main_thread) {
json_gen_cstr(gen, "main");
json_gen_bool(gen, 1);
}
if (th->next && th->next != rb_main_thread) {
json_gen_cstr(gen, "next");
json_gen_value(gen, th->next->thread);
}
if (th->prev && th->prev != th && (th->prev == rb_main_thread || th->prev != th->next)) {
json_gen_cstr(gen, "prev");
json_gen_value(gen, th->prev->thread);
}
if (th->locals) {
json_gen_cstr(gen, "variables");
json_gen_map_open(gen);
st_foreach(th->locals, each_ivar, (st_data_t)gen);
json_gen_map_close(gen);
}
}
break;
case T_STRUCT:
json_gen_cstr(gen, "struct");
obj_dump_class(gen, obj);
break;
case T_FILE:
json_gen_cstr(gen, "file");
obj_dump_class(gen, obj);
OpenFile *file = RFILE(obj)->fptr;
if (file->f) {
json_gen_cstr(gen, "fileno");
json_gen_integer(gen, fileno(file->f));
}
if (file->f2) {
json_gen_cstr(gen, "fileno2");
json_gen_integer(gen, fileno(file->f2));
}
if (file->pid) {
json_gen_cstr(gen, "pid");
json_gen_integer(gen, file->pid);
}
if (file->path) {
json_gen_cstr(gen, "path");
json_gen_cstr(gen, file->path);
}
if (file->mode) {
json_gen_cstr(gen, "mode");
json_gen_array_open(gen);
if (file->mode & FMODE_READABLE)
json_gen_cstr(gen, "readable");
if (file->mode & FMODE_WRITABLE)
json_gen_cstr(gen, "writable");
if (file->mode & FMODE_READWRITE)
json_gen_cstr(gen, "readwrite");
if (file->mode & FMODE_APPEND)
json_gen_cstr(gen, "append");
if (file->mode & FMODE_CREATE)
json_gen_cstr(gen, "create");
if (file->mode & FMODE_BINMODE)
json_gen_cstr(gen, "binmode");
if (file->mode & FMODE_SYNC)
json_gen_cstr(gen, "sync");
if (file->mode & FMODE_WBUF)
json_gen_cstr(gen, "wbuf");