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mariadb/sql/sql_profile.cc
cmiller@zippy.cornsilk.net 9816842b58 Backport: 
B-g#24795: SHOW PROFILE implementation

Don't use memory roots to store profiling information, because
memory roots make freeing the data a no-op, and thus long-running
processes with profiling turned on the whole time could eventually 
use all available memory.

Instead, use regular heap allocation and deallocation calls to 
manage profiling data.  Replace the leaky List usage with a similar-
behaving structure named "Queue".
2007-04-03 17:59:52 -04:00

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/* Copyright (C) 2007 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "mysql_priv.h"
#include "my_sys.h"
#define TIME_FLOAT_DIGITS 9
#define MAX_QUERY_LENGTH 300
bool schema_table_store_record(THD *thd, TABLE *table);
/* Reserved for systems that can't record the function name in source. */
const char * const _unknown_func_ = "<unknown>";
/**
Connects Information_Schema and Profiling.
*/
int fill_query_profile_statistics_info(THD *thd, struct st_table_list *tables,
Item *cond)
{
#ifdef ENABLED_PROFILING
return(thd->profiling.fill_statistics_info(thd, tables, cond));
#else
return(1);
#endif
}
ST_FIELD_INFO query_profile_statistics_info[]=
{
/* name, length, type, value, maybe_null, old_name */
{"QUERY_ID", 20, MYSQL_TYPE_LONG, 0, false, NULL},
{"SEQ", 20, MYSQL_TYPE_LONG, 0, false, NULL},
{"STATE", 30, MYSQL_TYPE_STRING, 0, false, NULL},
{"DURATION", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, false, NULL},
{"CPU_USER", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL},
{"CPU_SYSTEM", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL},
{"CONTEXT_VOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"CONTEXT_INVOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"BLOCK_OPS_IN", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"BLOCK_OPS_OUT", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"MESSAGES_SENT", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"MESSAGES_RECEIVED", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"PAGE_FAULTS_MAJOR", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"PAGE_FAULTS_MINOR", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"SWAPS", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{"SOURCE_FUNCTION", 30, MYSQL_TYPE_STRING, 0, true, NULL},
{"SOURCE_FILE", 20, MYSQL_TYPE_STRING, 0, true, NULL},
{"SOURCE_LINE", 20, MYSQL_TYPE_LONG, 0, true, NULL},
{NULL, 0, MYSQL_TYPE_STRING, 0, true, NULL}
};
#ifdef ENABLED_PROFILING
#define RUSAGE_USEC(tv) ((tv).tv_sec*1000*1000 + (tv).tv_usec)
#define RUSAGE_DIFF_USEC(tv1, tv2) (RUSAGE_USEC((tv1))-RUSAGE_USEC((tv2)))
PROFILE_ENTRY::PROFILE_ENTRY()
:profile(NULL), status(NULL), function(NULL), file(NULL), line(0),
time_usecs(0.0), allocated_status_memory(NULL)
{
collect();
}
PROFILE_ENTRY::PROFILE_ENTRY(QUERY_PROFILE *profile_arg, const char *status_arg)
:profile(profile_arg)
{
collect();
set_status(status_arg, NULL, NULL, 0);
}
PROFILE_ENTRY::PROFILE_ENTRY(QUERY_PROFILE *profile_arg, const char *status_arg,
const char *function_arg,
const char *file_arg, unsigned int line_arg)
:profile(profile_arg)
{
collect();
set_status(status_arg, function_arg, file_arg, line_arg);
}
PROFILE_ENTRY::~PROFILE_ENTRY()
{
if (allocated_status_memory != NULL)
my_free(allocated_status_memory, MYF(0));
status= function= file= NULL;
}
void PROFILE_ENTRY::set_status(const char *status_arg, const char *function_arg, const char *file_arg, unsigned int line_arg)
{
size_t sizes[3]; /* 3 == status+function+file */
char *cursor;
/*
Compute all the space we'll need to allocate one block for everything
we'll need, instead of N mallocs.
*/
sizes[0]= (status_arg == NULL) ? 0 : strlen(status_arg) + 1;
sizes[1]= (function_arg == NULL) ? 0 : strlen(function_arg) + 1;
sizes[2]= (file_arg == NULL) ? 0 : strlen(file_arg) + 1;
allocated_status_memory= (char *) my_malloc(sizes[0] + sizes[1] + sizes[2], MYF(0));
DBUG_ASSERT(allocated_status_memory != NULL);
cursor= allocated_status_memory;
if (status_arg != NULL)
{
strcpy(cursor, status_arg);
status= cursor;
cursor+= sizes[0];
}
else
status= NULL;
if (function_arg != NULL)
{
strcpy(cursor, function_arg);
function= cursor;
cursor+= sizes[1];
}
else
function= NULL;
if (file_arg != NULL)
{
strcpy(cursor, file_arg);
file= cursor;
cursor+= sizes[2];
}
else
file= NULL;
line= line_arg;
}
void PROFILE_ENTRY::collect()
{
time_usecs= (double) my_getsystime() / 10.0; /* 1 sec was 1e7, now is 1e6 */
#ifdef HAVE_GETRUSAGE
getrusage(RUSAGE_SELF, &rusage);
#endif
}
QUERY_PROFILE::QUERY_PROFILE(PROFILING *profiling_arg, char *query_source_arg,
uint query_length_arg)
:profiling(profiling_arg), server_query_id(-1), profiling_query_id(-1),
query_source(NULL)
{
profile_end= &profile_start;
set_query_source(query_source_arg, query_length_arg);
}
void QUERY_PROFILE::set_query_source(char *query_source_arg,
uint query_length_arg)
{
/* Truncate to avoid DoS attacks. */
uint length= min(MAX_QUERY_LENGTH, query_length_arg);
/* TODO?: Provide a way to include the full text, as in SHOW PROCESSLIST. */
if (query_source_arg != NULL)
query_source= my_strdup_with_length(query_source_arg, length, MYF(0));
}
QUERY_PROFILE::~QUERY_PROFILE()
{
while (! entries.is_empty())
delete entries.pop();
if (query_source != NULL)
my_free(query_source, MYF(0));
}
void QUERY_PROFILE::status(const char *status_arg,
const char *function_arg= NULL,
const char *file_arg= NULL, unsigned int line_arg= 0)
{
THD *thd= profiling->thd;
PROFILE_ENTRY *prof;
DBUG_ENTER("QUERY_PROFILE::status");
/* Blank status. Just return, and thd->proc_info will be set blank later. */
if (unlikely(status_arg == NULL))
DBUG_VOID_RETURN;
/* If thd->proc_info is currently set to status_arg, don't profile twice. */
if (likely((thd->proc_info != NULL) &&
((thd->proc_info == status_arg) ||
(strcmp(thd->proc_info, status_arg) == 0))))
{
DBUG_VOID_RETURN;
}
/* Is this the same query as our profile currently contains? */
if (unlikely((thd->query_id != server_query_id) && !thd->spcont))
reset();
if (function_arg && file_arg)
{
if ((profile_end= prof= new PROFILE_ENTRY(this, status_arg, function_arg,
file_arg, line_arg)))
entries.push_back(prof);
}
else
{
if ((profile_end= prof= new PROFILE_ENTRY(this, status_arg)))
entries.push_back(prof);
}
DBUG_VOID_RETURN;
}
void QUERY_PROFILE::reset()
{
DBUG_ENTER("QUERY_PROFILE::reset");
if (likely(profiling->thd->query_id != server_query_id))
{
server_query_id= profiling->thd->query_id; /* despite name, is global */
profile_start.collect();
while (! entries.is_empty())
delete entries.pop();
}
DBUG_VOID_RETURN;
}
bool QUERY_PROFILE::show(uint options)
{
THD *thd= profiling->thd;
List<Item> field_list;
DBUG_ENTER("QUERY_PROFILE::show");
field_list.push_back(new Item_empty_string("Status", MYSQL_ERRMSG_SIZE));
field_list.push_back(new Item_return_int("Duration", TIME_FLOAT_DIGITS,
MYSQL_TYPE_DOUBLE));
if (options & PROFILE_CPU)
{
field_list.push_back(new Item_return_int("CPU_user", TIME_FLOAT_DIGITS,
MYSQL_TYPE_DOUBLE));
field_list.push_back(new Item_return_int("CPU_system", TIME_FLOAT_DIGITS,
MYSQL_TYPE_DOUBLE));
}
if (options & PROFILE_MEMORY)
{
}
if (options & PROFILE_CONTEXT)
{
field_list.push_back(new Item_return_int("Context_voluntary", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int("Context_involuntary", 10,
MYSQL_TYPE_LONG));
}
if (options & PROFILE_BLOCK_IO)
{
field_list.push_back(new Item_return_int("Block_ops_in", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int("Block_ops_out", 10,
MYSQL_TYPE_LONG));
}
if (options & PROFILE_IPC)
{
field_list.push_back(new Item_return_int("Messages_sent", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int("Messages_received", 10,
MYSQL_TYPE_LONG));
}
if (options & PROFILE_PAGE_FAULTS)
{
field_list.push_back(new Item_return_int("Page_faults_major", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int("Page_faults_minor", 10,
MYSQL_TYPE_LONG));
}
if (options & PROFILE_SWAPS)
{
field_list.push_back(new Item_return_int("Swaps", 10, MYSQL_TYPE_LONG));
}
if (options & PROFILE_SOURCE)
{
field_list.push_back(new Item_empty_string("Source_function",
MYSQL_ERRMSG_SIZE));
field_list.push_back(new Item_empty_string("Source_file",
MYSQL_ERRMSG_SIZE));
field_list.push_back(new Item_return_int("Source_line", 10,
MYSQL_TYPE_LONG));
}
if (thd->protocol->send_fields(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
DBUG_RETURN(TRUE);
Protocol *protocol= thd->protocol;
SELECT_LEX *sel= &thd->lex->select_lex;
SELECT_LEX_UNIT *unit= &thd->lex->unit;
ha_rows idx= 0;
unit->set_limit(sel);
double last_time= profile_start.time_usecs;
#ifdef HAVE_GETRUSAGE
struct rusage *last_rusage= &(profile_start.rusage);
#endif
PROFILE_ENTRY *entry;
void *iterator;
for (iterator= entries.new_iterator();
iterator != NULL;
iterator= entries.iterator_next(iterator))
{
entry= entries.iterator_value(iterator);
#ifdef HAVE_GETRUSAGE
struct rusage *rusage= &(entry->rusage);
#endif
String elapsed;
if (++idx <= unit->offset_limit_cnt)
continue;
if (idx > unit->select_limit_cnt)
break;
protocol->prepare_for_resend();
protocol->store(entry->status, strlen(entry->status), system_charset_info);
protocol->store((double)(entry->time_usecs - last_time)/(1000.0*1000),
(uint32) TIME_FLOAT_DIGITS-1, &elapsed);
if (options & PROFILE_CPU)
{
#ifdef HAVE_GETRUSAGE
String cpu_utime, cpu_stime;
protocol->store((double)(RUSAGE_DIFF_USEC(rusage->ru_utime,
last_rusage->ru_utime))/(1000.0*1000),
(uint32) TIME_FLOAT_DIGITS-1, &cpu_utime);
protocol->store((double)(RUSAGE_DIFF_USEC(rusage->ru_stime,
last_rusage->ru_stime))/(1000.0*1000),
(uint32) TIME_FLOAT_DIGITS-1, &cpu_stime);
#else
protocol->store_null();
protocol->store_null();
#endif
}
if (options & PROFILE_CONTEXT)
{
#ifdef HAVE_GETRUSAGE
protocol->store((uint32)(rusage->ru_nvcsw - last_rusage->ru_nvcsw));
protocol->store((uint32)(rusage->ru_nivcsw - last_rusage->ru_nivcsw));
#else
protocol->store_null();
protocol->store_null();
#endif
}
if (options & PROFILE_BLOCK_IO)
{
#ifdef HAVE_GETRUSAGE
protocol->store((uint32)(rusage->ru_inblock - last_rusage->ru_inblock));
protocol->store((uint32)(rusage->ru_oublock - last_rusage->ru_oublock));
#else
protocol->store_null();
protocol->store_null();
#endif
}
if (options & PROFILE_IPC)
{
#ifdef HAVE_GETRUSAGE
protocol->store((uint32)(rusage->ru_msgsnd - last_rusage->ru_msgsnd));
protocol->store((uint32)(rusage->ru_msgrcv - last_rusage->ru_msgrcv));
#else
protocol->store_null();
protocol->store_null();
#endif
}
if (options & PROFILE_PAGE_FAULTS)
{
#ifdef HAVE_GETRUSAGE
protocol->store((uint32)(rusage->ru_majflt - last_rusage->ru_majflt));
protocol->store((uint32)(rusage->ru_minflt - last_rusage->ru_minflt));
#else
protocol->store_null();
protocol->store_null();
#endif
}
if (options & PROFILE_SWAPS)
{
#ifdef HAVE_GETRUSAGE
protocol->store((uint32)(rusage->ru_nswap - last_rusage->ru_nswap));
#else
protocol->store_null();
#endif
}
if (options & PROFILE_SOURCE)
{
if ((entry->function != NULL) && (entry->file != NULL))
{
protocol->store(entry->function, strlen(entry->function),
system_charset_info);
protocol->store(entry->file, strlen(entry->file), system_charset_info);
protocol->store((uint32) entry->line);
} else {
protocol->store_null();
protocol->store_null();
protocol->store_null();
}
}
if (protocol->write())
DBUG_RETURN(TRUE);
last_time= entry->time_usecs;
#ifdef HAVE_GETRUSAGE
last_rusage= &(entry->rusage);
#endif
}
send_eof(thd);
DBUG_RETURN(FALSE);
}
PROFILING::PROFILING()
:profile_id_counter(0), keeping(1), current(NULL), last(NULL)
{
}
PROFILING::~PROFILING()
{
while (! history.is_empty())
delete history.pop();
if (current != NULL)
delete current;
}
void PROFILING::status_change(const char *status_arg,
const char *function_arg,
const char *file_arg, unsigned int line_arg)
{
DBUG_ENTER("PROFILING::status_change");
if (unlikely((thd->options & OPTION_PROFILING) != 0))
{
if (unlikely(current == NULL))
reset();
DBUG_ASSERT(current != NULL);
current->status(status_arg, function_arg, file_arg, line_arg);
}
thd->proc_info= status_arg;
DBUG_VOID_RETURN;
}
void PROFILING::store()
{
DBUG_ENTER("PROFILING::store");
/* Already stored */
if (unlikely((last != NULL) &&
(current != NULL) &&
(last->server_query_id == current->server_query_id)))
{
DBUG_VOID_RETURN;
}
while (history.elements > thd->variables.profiling_history_size)
delete history.pop();
if (current != NULL)
{
if (keeping &&
(current->query_source != NULL) &&
(current->query_source[0] != '\0') &&
(!current->entries.is_empty()))
{
current->profiling_query_id= next_profile_id(); /* assign an id */
last= current; /* never contains something that is not in the history. */
history.push_back(current);
current= NULL;
}
else
{
delete current;
current= NULL;
}
}
DBUG_ASSERT(current == NULL);
current= new QUERY_PROFILE(this, thd->query, thd->query_length);
DBUG_VOID_RETURN;
}
void PROFILING::reset()
{
DBUG_ENTER("PROFILING::reset");
store();
if (current != NULL)
current->reset();
keep();
DBUG_VOID_RETURN;
}
bool PROFILING::show_profiles()
{
DBUG_ENTER("PROFILING::show_profiles");
QUERY_PROFILE *prof;
List<Item> field_list;
field_list.push_back(new Item_return_int("Query_ID", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int("Duration", TIME_FLOAT_DIGITS-1,
MYSQL_TYPE_DOUBLE));
field_list.push_back(new Item_empty_string("Query", 40));
if (thd->protocol->send_fields(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
DBUG_RETURN(TRUE);
SELECT_LEX *sel= &thd->lex->select_lex;
SELECT_LEX_UNIT *unit= &thd->lex->unit;
ha_rows idx= 0;
Protocol *protocol= thd->protocol;
unit->set_limit(sel);
void *iterator;
for (iterator= history.new_iterator();
iterator != NULL;
iterator= history.iterator_next(iterator))
{
prof= history.iterator_value(iterator);
String elapsed;
PROFILE_ENTRY *ps= &prof->profile_start;
PROFILE_ENTRY *pe= prof->profile_end;
if (++idx <= unit->offset_limit_cnt)
continue;
if (idx > unit->select_limit_cnt)
break;
protocol->prepare_for_resend();
protocol->store((uint32)(prof->profiling_query_id));
protocol->store((double)(pe->time_usecs - ps->time_usecs)/(1000.0*1000),
(uint32) TIME_FLOAT_DIGITS-1, &elapsed);
if (prof->query_source != NULL)
protocol->store(prof->query_source, strlen(prof->query_source),
system_charset_info);
else
protocol->store_null();
if (protocol->write())
DBUG_RETURN(TRUE);
}
send_eof(thd);
DBUG_RETURN(FALSE);
}
/*
This is an awful hack to let prepared statements tell us the query
that they're executing.
*/
void PROFILING::set_query_source(char *query_source_arg, uint query_length_arg)
{
DBUG_ENTER("PROFILING::set_query_source");
/* We can't get this query source through normal means. */
DBUG_ASSERT((thd->query == NULL) || (thd->query_length == 0));
if (current != NULL)
current->set_query_source(query_source_arg, query_length_arg);
else
DBUG_PRINT("info", ("no current profile to send query source to"));
DBUG_VOID_RETURN;
}
bool PROFILING::show(uint options, uint profiling_query_id)
{
DBUG_ENTER("PROFILING::show");
QUERY_PROFILE *prof;
void *iterator;
for (iterator= history.new_iterator();
iterator != NULL;
iterator= history.iterator_next(iterator))
{
prof= history.iterator_value(iterator);
if(prof->profiling_query_id == profiling_query_id)
DBUG_RETURN(prof->show(options));
}
my_error(ER_WRONG_ARGUMENTS, MYF(0), "SHOW PROFILE");
DBUG_RETURN(TRUE);
}
bool PROFILING::show_last(uint options)
{
DBUG_ENTER("PROFILING::show_last");
if (!history.is_empty()) {
DBUG_RETURN(last->show(options));
}
DBUG_RETURN(TRUE);
}
/**
Fill the information schema table, "query_profile", as defined in show.cc .
*/
int PROFILING::fill_statistics_info(THD *thd, struct st_table_list *tables, Item *cond)
{
DBUG_ENTER("PROFILING::fill_statistics_info");
TABLE *table= tables->table;
ulonglong row_number= 0;
QUERY_PROFILE *query;
/* Go through each query in this thread's stored history... */
void *history_iterator;
for (history_iterator= history.new_iterator();
history_iterator != NULL;
history_iterator= history.iterator_next(history_iterator))
{
query= history.iterator_value(history_iterator);
PROFILE_ENTRY *ps= &(query->profile_start);
double last_time= ps->time_usecs;
#ifdef HAVE_GETRUSAGE
struct rusage *last_rusage= &(ps->rusage);
#endif
/*
Because we put all profiling info into a table that may be reordered, let
us also include a numbering of each state per query. The query_id and
the "seq" together are unique.
*/
ulonglong seq;
void *entry_iterator;
PROFILE_ENTRY *entry;
/* ...and for each query, go through all its state-change steps. */
for (seq= 0, entry_iterator= query->entries.new_iterator();
entry_iterator != NULL;
entry_iterator= query->entries.iterator_next(entry_iterator),
#ifdef HAVE_GETRUSAGE
last_rusage= &(entry->rusage),
#endif
seq++, last_time= entry->time_usecs, row_number++)
{
entry= query->entries.iterator_value(entry_iterator);
/* Set default values for this row. */
restore_record(table, s->default_values);
/*
The order of these fields is set by the query_profile_statistics_info
array.
*/
table->field[0]->store((ulonglong) query->profiling_query_id);
table->field[1]->store((ulonglong) seq); /* the step in the sequence */
table->field[2]->store(entry->status, strlen(entry->status),
system_charset_info);
table->field[3]->store((double)(entry->time_usecs - last_time)/(1000*1000));
#ifdef HAVE_GETRUSAGE
table->field[4]->store((double)RUSAGE_DIFF_USEC(entry->rusage.ru_utime,
last_rusage->ru_utime)/(1000.0*1000));
table->field[4]->set_notnull();
table->field[5]->store((double)RUSAGE_DIFF_USEC(entry->rusage.ru_stime,
last_rusage->ru_stime)/(1000.0*1000));
table->field[5]->set_notnull();
#else
/* TODO: Add CPU-usage info for non-BSD systems */
#endif
#ifdef HAVE_GETRUSAGE
table->field[6]->store((uint32)(entry->rusage.ru_nvcsw - last_rusage->ru_nvcsw));
table->field[6]->set_notnull();
table->field[7]->store((uint32)(entry->rusage.ru_nivcsw - last_rusage->ru_nivcsw));
table->field[7]->set_notnull();
#else
/* TODO: Add context switch info for non-BSD systems */
#endif
#ifdef HAVE_GETRUSAGE
table->field[8]->store((uint32)(entry->rusage.ru_inblock - last_rusage->ru_inblock));
table->field[8]->set_notnull();
table->field[9]->store((uint32)(entry->rusage.ru_oublock - last_rusage->ru_oublock));
table->field[9]->set_notnull();
#else
/* TODO: Add block IO info for non-BSD systems */
#endif
#ifdef HAVE_GETRUSAGE
table->field[10]->store((uint32)(entry->rusage.ru_msgsnd - last_rusage->ru_msgsnd), true);
table->field[10]->set_notnull();
table->field[11]->store((uint32)(entry->rusage.ru_msgrcv - last_rusage->ru_msgrcv), true);
table->field[11]->set_notnull();
#else
/* TODO: Add message info for non-BSD systems */
#endif
#ifdef HAVE_GETRUSAGE
table->field[12]->store((uint32)(entry->rusage.ru_majflt - last_rusage->ru_majflt), true);
table->field[12]->set_notnull();
table->field[13]->store((uint32)(entry->rusage.ru_minflt - last_rusage->ru_minflt), true);
table->field[13]->set_notnull();
#else
/* TODO: Add page fault info for non-BSD systems */
#endif
#ifdef HAVE_GETRUSAGE
table->field[14]->store((uint32)(entry->rusage.ru_nswap - last_rusage->ru_nswap), true);
table->field[14]->set_notnull();
#else
/* TODO: Add swap info for non-BSD systems */
#endif
if ((entry->function != NULL) && (entry->file != NULL))
{
table->field[15]->store(entry->function, strlen(entry->function),
system_charset_info);
table->field[15]->set_notnull();
table->field[16]->store(entry->file, strlen(entry->file), system_charset_info);
table->field[16]->set_notnull();
table->field[17]->store(entry->line, true);
table->field[17]->set_notnull();
}
if (schema_table_store_record(thd, table))
DBUG_RETURN(1);
}
}
DBUG_RETURN(0);
}
#endif /* ENABLED_PROFILING */
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