From patchwork Fri Mar 4 21:16:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1601451 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=g923PPjp; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4K9LQ021Xzz9sGH for ; Sat, 5 Mar 2022 08:21:28 +1100 (AEDT) Received: from localhost ([::1]:60904 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQFMc-0001w5-35 for incoming@patchwork.ozlabs.org; Fri, 04 Mar 2022 16:21:26 -0500 Received: from eggs.gnu.org ([209.51.188.92]:51714) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQFK5-0005OU-Jx for qemu-ppc@nongnu.org; Fri, 04 Mar 2022 16:18:49 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:29387) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQFK3-0004ad-N6 for qemu-ppc@nongnu.org; Fri, 04 Mar 2022 16:18:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646428727; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=w3yBPbEwewNRIoHAfMrQWAjYj8q6KmEOJKAkIuj44b4=; b=g923PPjpQVUO/dc0T/PbJtsIsAW5uTaPmzb6euiXFD2m0gZ3FY6Pw/uMOj8PqihA9t949T wqUg2zobQF+bny+3PIj6rmzG5uKdCByIKPn1KhMNZebHj7+m9Sn4I3BLz683xpPLedAKWO qNVpT16tfpocmZEjPLTYyfWzFHs/dK4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-104-fj7Umj0uNdySNIcDzkO04A-1; Fri, 04 Mar 2022 16:18:41 -0500 X-MC-Unique: fj7Umj0uNdySNIcDzkO04A-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B3E261006AA5; Fri, 4 Mar 2022 21:18:39 +0000 (UTC) Received: from localhost (unknown [10.39.208.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0553F6B8EA; Fri, 4 Mar 2022 21:17:57 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH v2 4/5] Replace qemu_gettimeofday() with g_get_real_time() Date: Sat, 5 Mar 2022 01:16:17 +0400 Message-Id: <20220304211618.3715999-5-marcandre.lureau@redhat.com> In-Reply-To: <20220304211618.3715999-1-marcandre.lureau@redhat.com> References: <20220304211618.3715999-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Marek Vasut , Thomas Huth , "Michael S. Tsirkin" , qemu-block@nongnu.org, David Hildenbrand , Laurent Vivier , Michael Roth , Chris Wulff , Markus Armbruster , BALATON Zoltan , Konstantin Kostiuk , Hanna Reitz , qemu-ppc@nongnu.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Stefan Weil , Paolo Bonzini Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Marc-André Lureau GLib g_get_real_time() is an alternative to gettimeofday() which allows to simplify our code. For semihosting, a few bits are lost on POSIX host, but this shouldn't be a big concern. Signed-off-by: Marc-André Lureau Reviewed-by: Laurent Vivier --- blockdev.c | 8 ++++---- hw/rtc/m41t80.c | 6 +++--- hw/virtio/virtio-balloon.c | 9 +-------- qapi/qmp-event.c | 12 +++++------- qemu-img.c | 8 ++++---- target/m68k/m68k-semi.c | 22 ++++++++++------------ target/nios2/nios2-semi.c | 23 ++++++++++------------- 7 files changed, 37 insertions(+), 51 deletions(-) diff --git a/blockdev.c b/blockdev.c index 42e098b458b1..4b07dbfbdefc 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1235,7 +1235,7 @@ static void internal_snapshot_prepare(BlkActionState *common, BlockDriverState *bs; QEMUSnapshotInfo old_sn, *sn; bool ret; - qemu_timeval tv; + int64_t rt; BlockdevSnapshotInternal *internal; InternalSnapshotState *state; AioContext *aio_context; @@ -1305,9 +1305,9 @@ static void internal_snapshot_prepare(BlkActionState *common, /* 3. take the snapshot */ sn = &state->sn; pstrcpy(sn->name, sizeof(sn->name), name); - qemu_gettimeofday(&tv); - sn->date_sec = tv.tv_sec; - sn->date_nsec = tv.tv_usec * 1000; + rt = g_get_real_time(); + sn->date_sec = rt / G_USEC_PER_SEC; + sn->date_nsec = (rt % G_USEC_PER_SEC) * 1000; sn->vm_clock_nsec = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); if (replay_mode != REPLAY_MODE_NONE) { sn->icount = replay_get_current_icount(); diff --git a/hw/rtc/m41t80.c b/hw/rtc/m41t80.c index a00971a67e1c..e045c864bb44 100644 --- a/hw/rtc/m41t80.c +++ b/hw/rtc/m41t80.c @@ -47,7 +47,7 @@ static uint8_t m41t80_recv(I2CSlave *i2c) { M41t80State *s = M41T80(i2c); struct tm now; - qemu_timeval tv; + int64_t rt; if (s->addr < 0) { s->addr = 0; @@ -57,8 +57,8 @@ static uint8_t m41t80_recv(I2CSlave *i2c) } switch (s->addr++) { case 0: - qemu_gettimeofday(&tv); - return to_bcd(tv.tv_usec / 10000); + rt = g_get_real_time(); + return to_bcd((rt % G_USEC_PER_SEC) / 10000); case 1: return to_bcd(now.tm_sec); case 2: diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index e6c1b0aa46fe..b1bada84cecc 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -452,7 +452,6 @@ static void virtio_balloon_receive_stats(VirtIODevice *vdev, VirtQueue *vq) VirtQueueElement *elem; VirtIOBalloonStat stat; size_t offset = 0; - qemu_timeval tv; elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); if (!elem) { @@ -484,13 +483,7 @@ static void virtio_balloon_receive_stats(VirtIODevice *vdev, VirtQueue *vq) s->stats[tag] = val; } s->stats_vq_offset = offset; - - if (qemu_gettimeofday(&tv) < 0) { - warn_report("%s: failed to get time of day", __func__); - goto out; - } - - s->stats_last_update = tv.tv_sec; + s->stats_last_update = g_get_real_time() / G_USEC_PER_SEC; out: if (balloon_stats_enabled(s)) { diff --git a/qapi/qmp-event.c b/qapi/qmp-event.c index 19d3cd003833..025716b3ec37 100644 --- a/qapi/qmp-event.c +++ b/qapi/qmp-event.c @@ -20,15 +20,13 @@ static void timestamp_put(QDict *qdict) { - int err; QDict *ts; - qemu_timeval tv; + int64_t rt = g_get_real_time(); - err = qemu_gettimeofday(&tv); - /* Put -1 to indicate failure of getting host time */ - ts = qdict_from_jsonf_nofail("{ 'seconds': %lld, 'microseconds': %lld }", - err < 0 ? -1LL : (long long)tv.tv_sec, - err < 0 ? -1LL : (long long)tv.tv_usec); + ts = qdict_from_jsonf_nofail("{ 'seconds': %" G_GINT64_FORMAT + ", 'microseconds': %" G_GINT64_FORMAT "}", + rt / G_USEC_PER_SEC, + rt % G_USEC_PER_SEC); qdict_put(qdict, "timestamp", ts); } diff --git a/qemu-img.c b/qemu-img.c index 6fe2466032f9..e26773909684 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -3304,11 +3304,11 @@ static int img_snapshot(int argc, char **argv) char *filename, *snapshot_name = NULL; int c, ret = 0, bdrv_oflags; int action = 0; - qemu_timeval tv; bool quiet = false; Error *err = NULL; bool image_opts = false; bool force_share = false; + int64_t rt; bdrv_oflags = BDRV_O_RDWR; /* Parse commandline parameters */ @@ -3405,9 +3405,9 @@ static int img_snapshot(int argc, char **argv) memset(&sn, 0, sizeof(sn)); pstrcpy(sn.name, sizeof(sn.name), snapshot_name); - qemu_gettimeofday(&tv); - sn.date_sec = tv.tv_sec; - sn.date_nsec = tv.tv_usec * 1000; + rt = g_get_real_time(); + sn.date_sec = rt / G_USEC_PER_SEC; + sn.date_nsec = (rt % G_USEC_PER_SEC) * 1000; ret = bdrv_snapshot_create(bs, &sn); if (ret) { diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c index c5c164e096c8..37343d47e247 100644 --- a/target/m68k/m68k-semi.c +++ b/target/m68k/m68k-semi.c @@ -378,19 +378,17 @@ void do_m68k_semihosting(CPUM68KState *env, int nr) arg0, arg1); return; } else { - qemu_timeval tv; struct gdb_timeval *p; - result = qemu_gettimeofday(&tv); - if (result == 0) { - if (!(p = lock_user(VERIFY_WRITE, - arg0, sizeof(struct gdb_timeval), 0))) { - /* FIXME - check error code? */ - result = -1; - } else { - p->tv_sec = cpu_to_be32(tv.tv_sec); - p->tv_usec = cpu_to_be64(tv.tv_usec); - unlock_user(p, arg0, sizeof(struct gdb_timeval)); - } + int64_t rt = g_get_real_time(); + p = lock_user(VERIFY_WRITE, arg0, sizeof(struct gdb_timeval), 0); + if (!p) { + /* FIXME - check error code? */ + result = -1; + } else { + result = 0; + p->tv_sec = cpu_to_be32(rt / G_USEC_PER_SEC); + p->tv_usec = cpu_to_be64(rt % G_USEC_PER_SEC); + unlock_user(p, arg0, sizeof(struct gdb_timeval)); } } break; diff --git a/target/nios2/nios2-semi.c b/target/nios2/nios2-semi.c index 5a7ad0c7108d..3decf6924c8f 100644 --- a/target/nios2/nios2-semi.c +++ b/target/nios2/nios2-semi.c @@ -400,20 +400,17 @@ void do_nios2_semihosting(CPUNios2State *env) arg0, 0); return; } else { - qemu_timeval tv; struct gdb_timeval *p; - result = qemu_gettimeofday(&tv); - if (result == 0) { - p = lock_user(VERIFY_WRITE, arg0, sizeof(struct gdb_timeval), - 0); - if (!p) { - result = -1; - errno = EFAULT; - } else { - p->tv_sec = cpu_to_be32(tv.tv_sec); - p->tv_usec = cpu_to_be64(tv.tv_usec); - unlock_user(p, arg0, sizeof(struct gdb_timeval)); - } + int64_t rt = g_get_real_time(); + p = lock_user(VERIFY_WRITE, arg0, sizeof(struct gdb_timeval), 0); + if (!p) { + result = -1; + errno = EFAULT; + } else { + result = 0; + p->tv_sec = cpu_to_be32(rt / G_USEC_PER_SEC); + p->tv_usec = cpu_to_be64(rt % G_USEC_PER_SEC); + unlock_user(p, arg0, sizeof(struct gdb_timeval)); } } break;