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pg_rusage.h File Reference

#include <sys/resource.h>
#include <sys/time.h>

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Data Structures

struct PGRUsage

Typedefs

typedef struct PGRUsage PGRUsage

Functions

void pg_rusage_init (PGRUsage *ru0)

const char * pg_rusage_show (const PGRUsage *ru0)

Typedef Documentation

◆ PGRUsage

typedef struct PGRUsage PGRUsage

Function Documentation

◆ pg_rusage_init()

void pg_rusage_init ( PGRUsage * ru0 )

Definition at line 27 of file pg_rusage.c.

28{

29 getrusage(RUSAGE_SELF, &ru0->ru);

30 gettimeofday(&ru0->tv, NULL);

31}

getrusage

int getrusage(int who, struct rusage *rusage)

Definition: win32getrusage.c:21

RUSAGE_SELF

#define RUSAGE_SELF

Definition: resource.h:9

PGRUsage::ru

struct rusage ru

Definition: pg_rusage.h:25

PGRUsage::tv

struct timeval tv

Definition: pg_rusage.h:24

gettimeofday

int gettimeofday(struct timeval *tp, void *tzp)

Definition: win32gettimeofday.c:53

References getrusage(), gettimeofday(), PGRUsage::ru, RUSAGE_SELF, and PGRUsage::tv.

Referenced by copy_table_data(), do_analyze_rel(), heap_vacuum_rel(), PerformWalRecovery(), pg_rusage_show(), reindex_index(), ReindexRelationConcurrently(), and tuplesort_begin_common().

◆ pg_rusage_show()

const char * pg_rusage_show ( const PGRUsage * ru0 )

Definition at line 40 of file pg_rusage.c.

41{

42 static char result[100];

43 PGRUsage ru1;

44

45 pg_rusage_init(&ru1);

46

47 if (ru1.tv.tv_usec < ru0->tv.tv_usec)

48 {

49 ru1.tv.tv_sec--;

50 ru1.tv.tv_usec += 1000000;

51 }

52 if (ru1.ru.ru_stime.tv_usec < ru0->ru.ru_stime.tv_usec)

53 {

54 ru1.ru.ru_stime.tv_sec--;

55 ru1.ru.ru_stime.tv_usec += 1000000;

56 }

57 if (ru1.ru.ru_utime.tv_usec < ru0->ru.ru_utime.tv_usec)

58 {

59 ru1.ru.ru_utime.tv_sec--;

60 ru1.ru.ru_utime.tv_usec += 1000000;

61 }

62

63 snprintf(result, sizeof(result),

64 _("CPU: user: %d.%02d s, system: %d.%02d s, elapsed: %d.%02d s"),

65 (int) (ru1.ru.ru_utime.tv_sec - ru0->ru.ru_utime.tv_sec),

66 (int) (ru1.ru.ru_utime.tv_usec - ru0->ru.ru_utime.tv_usec) / 10000,

67 (int) (ru1.ru.ru_stime.tv_sec - ru0->ru.ru_stime.tv_sec),

68 (int) (ru1.ru.ru_stime.tv_usec - ru0->ru.ru_stime.tv_usec) / 10000,

69 (int) (ru1.tv.tv_sec - ru0->tv.tv_sec),

70 (int) (ru1.tv.tv_usec - ru0->tv.tv_usec) / 10000);

71

72 return result;

73}

_

#define _(x)

Definition: elog.c:91

pg_rusage_init

void pg_rusage_init(PGRUsage *ru0)

Definition: pg_rusage.c:27

snprintf

#define snprintf

Definition: port.h:239

PGRUsage

Definition: pg_rusage.h:23

rusage::ru_utime

struct timeval ru_utime

Definition: resource.h:14

rusage::ru_stime

struct timeval ru_stime

Definition: resource.h:15

References _, pg_rusage_init(), PGRUsage::ru, rusage::ru_stime, rusage::ru_utime, snprintf, and PGRUsage::tv.

Referenced by copy_table_data(), do_analyze_rel(), dumptuples(), heap_vacuum_rel(), inittapes(), mergeruns(), PerformWalRecovery(), reindex_index(), ReindexRelationConcurrently(), tuplesort_free(), tuplesort_performsort(), and tuplesort_puttuple_common().