annotate src/timertool.c @ 1508:62001d2c89f6

Make _FSM_add_state_mode to use _FSM_popup
author Thinker K.F. Li <thinker@codemud.net>
date Mon, 09 May 2011 19:25:38 +0800
parents 586e50f82c1f
children
rev   line source
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
586e50f82c1f Unify coding style tag for emacs and vim.
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2 // vim: sw=4:ts=8:sts=4
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3 #include <stdio.h>
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4 #include <sys/time.h>
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5 #ifdef __FreeBSD__
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6 #include <machine/cpufunc.h>
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7 #include <sys/types.h>
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8 #include <sys/sysctl.h>
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9 #endif
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530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'.
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10 #include "mb_timer.h"
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12
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13 #ifdef __FreeBSD__
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14 void get_now(mb_timeval_t *tmo) {
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15 struct timeval tv;
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16 static uint64_t cpufreq;
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17 static uint64_t diff;
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18 static mb_timeval_t tm = {0, 0};
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19 static uint64_t last_ts;
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20 mb_timeval_t diff_tm;
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21 uint64_t ts, udiff, sdiff;
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22 size_t sysctl_sz;
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23 int r;
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24
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25 if(MB_TIMEVAL_SEC(&tm) == 0) {
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26 sysctl_sz = sizeof(uint64_t);
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27 r = sysctlbyname("kern.timecounter.tc.TSC.frequency",
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28 &cpufreq, &sysctl_sz,
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29 NULL, 0);
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30 if(r == -1) {
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31 perror("sysctl");
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32 return;
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33 }
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34
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35 gettimeofday(&tv, NULL);
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36 last_ts = rdtsc();
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37
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38 MB_TIMEVAL_SET(tmo, tv.tv_sec, tv.tv_usec);
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39 MB_TIMEVAL_CP(&tm, tmo);
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40 diff = 0;
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41 } else {
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42 ts = rdtsc();
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43 diff += ts - last_ts;
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44 sdiff = diff / cpufreq;
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45 udiff = (diff % cpufreq) * 1000000 / cpufreq;
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46
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47 MB_TIMEVAL_SET(&diff_tm, sdiff, udiff);
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48 MB_TIMEVAL_CP(tmo, &tm);
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49 MB_TIMEVAL_ADD(tmo, &diff_tm);
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50
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51 MB_TIMEVAL_SET(&diff_tm, sdiff, 0);
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52 MB_TIMEVAL_ADD(&tm, &diff_tm);
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53
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54 diff %= cpufreq;
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55 last_ts = ts;
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56 }
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57 }
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58 #else /* __FreeBSD__ */
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59 void get_now(mb_timeval_t *tmo) {
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60 struct timeval tv;
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61
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62 gettimeofday(&tv, NULL);
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63 MB_TIMEVAL_SET(tmo, tv.tv_sec, tv.tv_usec);
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64 }
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65 #endif /* __FreeBSD__ */
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66