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[Qemu-devel] [RFC PATCH v9 12/23] timer: replace time() with QEMU_CLOCK_
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [RFC PATCH v9 12/23] timer: replace time() with QEMU_CLOCK_HOST |
Date: |
Wed, 18 Feb 2015 14:56:52 +0300 |
User-agent: |
StGit/0.16 |
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.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
vl.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/vl.c b/vl.c
index 8c8f142..00161f4 100644
--- a/vl.c
+++ b/vl.c
@@ -710,13 +710,17 @@ void vm_start(void)
/***********************************************************/
/* real time host monotonic timer */
+static time_t qemu_time(void)
+{
+ return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
+}
+
/***********************************************************/
/* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset)
{
- time_t ti;
+ time_t ti = qemu_time();
- time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
@@ -744,7 +748,7 @@ int qemu_timedate_diff(struct tm *tm)
else
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)
@@ -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");
exit(1);
}
- rtc_date_offset = time(NULL) - rtc_start_date;
+ rtc_date_offset = qemu_time() - rtc_start_date;
}
}
- [Qemu-devel] [RFC PATCH v9 07/23] cpu-exec: allow temporary disabling icount, (continued)
- [Qemu-devel] [RFC PATCH v9 07/23] cpu-exec: allow temporary disabling icount, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 08/23] cpu: replay instructions sequence, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 09/23] replay: interrupts and exceptions, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 10/23] replay: asynchronous events infrastructure, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 11/23] replay: recording and replaying clock ticks, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 12/23] timer: replace time() with QEMU_CLOCK_HOST,
Pavel Dovgalyuk <=
- [Qemu-devel] [RFC PATCH v9 13/23] replay: shutdown event, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 14/23] replay: checkpoints, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 15/23] aio: replace stack of bottom halves with queue, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 16/23] replay: bottom halves, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 17/23] replay: replay aio requests, Pavel Dovgalyuk, 2015/02/18
- [Qemu-devel] [RFC PATCH v9 18/23] replay: thread pool, Pavel Dovgalyuk, 2015/02/18