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timer: replace time() with QEMU_CLOCK_HOST 

This patch replaces time() function calls with calls to
qemu_clock_get_ns(QEMU_CLOCK_HOST). It makes such requests deterministic
in record/replay mode of icount.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <20150227131102.11912.89850.stgit@PASHA-ISP>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2015-02-27 16:11:02 +03:00 committed by Paolo Bonzini
parent 0543055967
commit 2ed1ebcf65
1 changed files with 8 additions and 4 deletions
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12
vl.c
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@ -710,13 +710,17 @@ void vm_start(void)
/***********************************************************/ /***********************************************************/
/* real time host monotonic timer */ /* real time host monotonic timer */
static time_t qemu_time(void)
{
return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
}
/***********************************************************/ /***********************************************************/
/* host time/date access */ /* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset) void qemu_get_timedate(struct tm *tm, int offset)
{ {
time_t ti; time_t ti = qemu_time();
time(&ti);
ti += offset; ti += offset;
if (rtc_date_offset == -1) { if (rtc_date_offset == -1) {
if (rtc_utc) if (rtc_utc)
@ -744,7 +748,7 @@ int qemu_timedate_diff(struct tm *tm)
else else
seconds = mktimegm(tm) + rtc_date_offset; seconds = mktimegm(tm) + rtc_date_offset;
return seconds - time(NULL); return seconds - qemu_time();
} }
static void configure_rtc_date_offset(const char *startdate, int legacy) static void configure_rtc_date_offset(const char *startdate, int legacy)
@ -782,7 +786,7 @@ static void configure_rtc_date_offset(const char *startdate, int legacy)
"'2006-06-17T16:01:21' or '2006-06-17'\n"); "'2006-06-17T16:01:21' or '2006-06-17'\n");
exit(1); exit(1);
} }
rtc_date_offset = time(NULL) - rtc_start_date; rtc_date_offset = qemu_time() - rtc_start_date;
} }
} }