rpmio/rpmsw.c File Reference

#include "system.h"
#include <rpmsw.h>
#include "debug.h"

Go to the source code of this file.

Functions

rpmsw rpmswNow (rpmsw sw)
 Return benchmark time stamp.
static rpmtime_t tvsub (const struct timeval *etv, const struct timeval *btv)
 Return difference of 2 timeval stamps in micro-seconds.
rpmtime_t rpmswDiff (rpmsw end, rpmsw begin)
 Return benchmark time stamp difference.
rpmtime_t rpmswInit (void)
 Return benchmark time stamp overhead.
int rpmswEnter (rpmop op, ssize_t rc)
 Enter timed operation.
rpmtime_t rpmswExit (rpmop op, ssize_t rc)
 Exit timed operation.
rpmtime_t rpmswAdd (rpmop to, rpmop from)
 Sum statistic counters.
rpmtime_t rpmswSub (rpmop to, rpmop from)
 Subtract statistic counters.

Variables

static rpmtime_t rpmsw_overhead = 0
static rpmtime_t rpmsw_cycles = 1
static int rpmsw_initialized = 0


Detailed Description

Definition in file rpmsw.c.


Function Documentation

rpmtime_t rpmswDiff ( rpmsw  end,
rpmsw  begin 
)

Return benchmark time stamp difference.

Parameters:
*end end time stamp
*begin begin time stamp
Returns:
difference in micro-seconds

Definition at line 57 of file rpmsw.c.

References rpmsw_cycles, rpmsw_overhead, rpmsw_s::tv, tvsub(), and rpmsw_s::u.

Referenced by rpmswExit(), and rpmswInit().

rpmtime_t rpmswInit ( void   ) 

Return benchmark time stamp overhead.

Returns:
overhead in micro-seconds

Definition at line 71 of file rpmsw.c.

References rpmsw_cycles, rpmsw_initialized, rpmsw_overhead, rpmswDiff(), and rpmswNow().

Referenced by rpmswNow().

rpmsw rpmswNow ( rpmsw  sw  ) 

Return benchmark time stamp.

Parameters:
*sw time stamp
Returns:
0 on success

Definition at line 27 of file rpmsw.c.

References rpmsw_initialized, rpmswInit(), rpmsw_s::tv, and rpmsw_s::u.

Referenced by rpmswEnter(), rpmswExit(), and rpmswInit().


Variable Documentation

rpmtime_t rpmsw_cycles = 1 [static]

Definition at line 22 of file rpmsw.c.

Referenced by rpmswDiff(), and rpmswInit().

int rpmsw_initialized = 0 [static]

Definition at line 25 of file rpmsw.c.

Referenced by rpmswInit(), and rpmswNow().

rpmtime_t rpmsw_overhead = 0 [static]

Definition at line 19 of file rpmsw.c.

Referenced by rpmswDiff(), and rpmswInit().


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