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PG-586: pg_stat_monitor: CPU and user timing should be captured

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for utility statements as well

Added the necessary capture of resource usage  in the process
utility function. We are now storing CPU and user timings for a
utility statement.
This commit is contained in:
Hamid Akhtar
2023-01-21 04:21:05 +05:00
committed by Muhammad Usama
parent ac8800a637
commit ee18c16149
1 changed files with 15 additions and 1 deletions
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16
pg_stat_monitor.c
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@@ -710,6 +710,7 @@ pgss_ExecutorEnd(QueryDesc *queryDesc)
* levels of hook all do this.)
*/
InstrEndLoop(queryDesc->totaltime);
if (getrusage(RUSAGE_SELF, &rusage_end) != 0)
elog(DEBUG1, "pg_stat_monitor: failed to execute getrusage");
@@ -932,6 +933,7 @@ pgss_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
{
Node *parsetree = pstmt->utilityStmt;
uint64 queryId = 0;
SysInfo sys_info;
#if PG_VERSION_NUM >= 140000
queryId = pstmt->queryId;
@@ -975,8 +977,13 @@ pgss_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
WalUsage walusage;
WalUsage walusage_start = pgWalUsage;
#endif
if (getrusage(RUSAGE_SELF, &rusage_start) != 0)
elog(DEBUG1, "pg_stat_monitor: failed to execute getrusage");
INSTR_TIME_SET_CURRENT(start);
exec_nested_level++;
PG_TRY();
{
#if PG_VERSION_NUM >= 140000
@@ -1024,6 +1031,13 @@ pgss_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
}
PG_END_TRY();
if (getrusage(RUSAGE_SELF, &rusage_end) != 0)
elog(DEBUG1, "pg_stat_monitor: failed to execute getrusage");
sys_info.utime = time_diff(rusage_end.ru_utime, rusage_start.ru_utime);
sys_info.stime = time_diff(rusage_end.ru_stime, rusage_start.ru_stime);
INSTR_TIME_SET_CURRENT(duration);
INSTR_TIME_SUBTRACT(duration, start);
@@ -1059,7 +1073,7 @@ pgss_ProcessUtility(PlannedStmt *pstmt, const char *queryString,
pstmt->stmt_len, /* query length */
NULL, /* PlanInfo */
0, /* CmdType */
NULL, /* SysInfo */
&sys_info, /* SysInfo */
NULL, /* ErrorInfo */
INSTR_TIME_GET_MILLISEC(duration), /* total_time */
rows, /* rows */