yannick.naumann/RT-Task-Generator-QEMU
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qtest: replace gettimeofday with GTimer

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glib provides a convenience helper to measure elapsed time. It isn't
subject to wall-clock time changes.

Note that this changes the initial OPENED time, which used to print the
current time.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220307070401.171986-3-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2022-03-07 11:03:58 +04:00 committed by Paolo Bonzini
parent 811b4ec7f8
commit 20e4ae117a
1 changed files with 10 additions and 29 deletions
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39
softmmu/qtest.c
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@ -58,12 +58,12 @@ static FILE *qtest_log_fp;
static QTest *qtest; static QTest *qtest;
static GString *inbuf; static GString *inbuf;
static int irq_levels[MAX_IRQ]; static int irq_levels[MAX_IRQ];
static qemu_timeval start_time; static GTimer *timer;
static bool qtest_opened; static bool qtest_opened;
static void (*qtest_server_send)(void*, const char*); static void (*qtest_server_send)(void*, const char*);
static void *qtest_server_send_opaque; static void *qtest_server_send_opaque;
#define FMT_timeval "%ld.%06ld" #define FMT_timeval "%.06f"
/** /**
* DOC: QTest Protocol * DOC: QTest Protocol
@ -264,28 +264,13 @@ static int hex2nib(char ch)
} }
} }
static void qtest_get_time(qemu_timeval *tv)
{
qemu_gettimeofday(tv);
tv->tv_sec -= start_time.tv_sec;
tv->tv_usec -= start_time.tv_usec;
if (tv->tv_usec < 0) {
tv->tv_usec += 1000000;
tv->tv_sec -= 1;
}
}
static void qtest_send_prefix(CharBackend *chr) static void qtest_send_prefix(CharBackend *chr)
{ {
qemu_timeval tv;
if (!qtest_log_fp || !qtest_opened) { if (!qtest_log_fp || !qtest_opened) {
return; return;
} }
qtest_get_time(&tv); fprintf(qtest_log_fp, "[S +" FMT_timeval "] ", g_timer_elapsed(timer, NULL));
fprintf(qtest_log_fp, "[S +" FMT_timeval "] ",
(long) tv.tv_sec, (long) tv.tv_usec);
} }
static void G_GNUC_PRINTF(1, 2) qtest_log_send(const char *fmt, ...) static void G_GNUC_PRINTF(1, 2) qtest_log_send(const char *fmt, ...)
@ -386,12 +371,9 @@ static void qtest_process_command(CharBackend *chr, gchar **words)
command = words[0]; command = words[0];
if (qtest_log_fp) { if (qtest_log_fp) {
qemu_timeval tv;
int i; int i;
qtest_get_time(&tv); fprintf(qtest_log_fp, "[R +" FMT_timeval "]", g_timer_elapsed(timer, NULL));
fprintf(qtest_log_fp, "[R +" FMT_timeval "]",
(long) tv.tv_sec, (long) tv.tv_usec);
for (i = 0; words[i]; i++) { for (i = 0; words[i]; i++) {
fprintf(qtest_log_fp, " %s", words[i]); fprintf(qtest_log_fp, " %s", words[i]);
} }
@ -846,21 +828,20 @@ static void qtest_event(void *opaque, QEMUChrEvent event)
for (i = 0; i < ARRAY_SIZE(irq_levels); i++) { for (i = 0; i < ARRAY_SIZE(irq_levels); i++) {
irq_levels[i] = 0; irq_levels[i] = 0;
} }
qemu_gettimeofday(&start_time);
g_clear_pointer(&timer, g_timer_destroy);
timer = g_timer_new();
qtest_opened = true; qtest_opened = true;
if (qtest_log_fp) { if (qtest_log_fp) {
fprintf(qtest_log_fp, "[I " FMT_timeval "] OPENED\n", fprintf(qtest_log_fp, "[I " FMT_timeval "] OPENED\n", g_timer_elapsed(timer, NULL));
(long) start_time.tv_sec, (long) start_time.tv_usec);
} }
break; break;
case CHR_EVENT_CLOSED: case CHR_EVENT_CLOSED:
qtest_opened = false; qtest_opened = false;
if (qtest_log_fp) { if (qtest_log_fp) {
qemu_timeval tv; fprintf(qtest_log_fp, "[I +" FMT_timeval "] CLOSED\n", g_timer_elapsed(timer, NULL));
qtest_get_time(&tv);
fprintf(qtest_log_fp, "[I +" FMT_timeval "] CLOSED\n",
(long) tv.tv_sec, (long) tv.tv_usec);
} }
g_clear_pointer(&timer, g_timer_destroy);
break; break;
default: default:
break; break;