From patchwork Fri Oct 5 09:20:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 979383 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42RPpK68p9z9s3C for ; Fri, 5 Oct 2018 19:38:49 +1000 (AEST) Received: from localhost ([::1]:34150 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8MZL-0000xr-EU for incoming@patchwork.ozlabs.org; Fri, 05 Oct 2018 05:38:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8MRb-0001qv-KQ for qemu-devel@nongnu.org; Fri, 05 Oct 2018 05:30:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g8MJu-000728-Ua for qemu-devel@nongnu.org; Fri, 05 Oct 2018 05:22:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36730) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g8MJu-00071i-NH; Fri, 05 Oct 2018 05:22:50 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E663C86679; Fri, 5 Oct 2018 09:22:49 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-131.ams2.redhat.com [10.36.116.131]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4CBD510018F8; Fri, 5 Oct 2018 09:22:46 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 5 Oct 2018 11:20:24 +0200 Message-Id: <20181005092024.14344-17-david@redhat.com> In-Reply-To: <20181005092024.14344-1-david@redhat.com> References: <20181005092024.14344-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 05 Oct 2018 09:22:50 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v5 16/16] memory-device: trace when pre_plugging/plugging/unplugging X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pankaj Gupta , Eduardo Habkost , "Michael S . Tsirkin" , Xiao Guangrong , David Hildenbrand , "Dr . David Alan Gilbert" , Markus Armbruster , Auger Eric , Alexander Graf , qemu-ppc@nongnu.org, Paolo Bonzini , Igor Mammedov , Luiz Capitulino , David Gibson , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Let's trace the address and the id of a memory device when pre_plugging/plugging/unplugging succeeded. Trace it when pre_plugging as well as when plugging, so we really know when a specific address is actually used. Reviewed-by: David Gibson Reviewed-by: Igor Mammedov Signed-off-by: David Hildenbrand --- hw/mem/memory-device.c | 8 ++++++++ hw/mem/pc-dimm.c | 8 -------- hw/mem/trace-events | 5 ++++- 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index 30585d6148..7de1ccd497 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -17,6 +17,7 @@ #include "qemu/range.h" #include "hw/virtio/vhost.h" #include "sysemu/kvm.h" +#include "trace.h" static gint memory_device_addr_sort(gconstpointer a, gconstpointer b) { @@ -269,6 +270,10 @@ void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, goto out; } mdc->set_addr(md, addr, &local_err); + if (!local_err) { + trace_memory_device_pre_plug(DEVICE(md)->id ? DEVICE(md)->id : "", + addr); + } out: error_propagate(errp, local_err); } @@ -288,6 +293,7 @@ void memory_device_plug(MemoryDeviceState *md, MachineState *ms) memory_region_add_subregion(&ms->device_memory->mr, addr - ms->device_memory->base, mr); + trace_memory_device_plug(DEVICE(md)->id ? DEVICE(md)->id : "", addr); } void memory_device_unplug(MemoryDeviceState *md, MachineState *ms) @@ -303,6 +309,8 @@ void memory_device_unplug(MemoryDeviceState *md, MachineState *ms) g_assert(ms->device_memory); memory_region_del_subregion(&ms->device_memory->mr, mr); + trace_memory_device_unplug(DEVICE(md)->id ? DEVICE(md)->id : "", + mdc->get_addr(md)); } uint64_t memory_device_get_region_size(const MemoryDeviceState *md, diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 6c854139a7..0c9b9e8292 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -33,7 +33,6 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, const uint64_t *legacy_align, Error **errp) { Error *local_err = NULL; - uint64_t addr; int slot; slot = object_property_get_int(OBJECT(dimm), PC_DIMM_SLOT_PROP, @@ -49,13 +48,6 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align, &local_err); - if (local_err) { - goto out; - } - - addr = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, - &error_abort); - trace_mhp_pc_dimm_assigned_address(addr); out: error_propagate(errp, local_err); } diff --git a/hw/mem/trace-events b/hw/mem/trace-events index e150dcc497..0f2f278ff2 100644 --- a/hw/mem/trace-events +++ b/hw/mem/trace-events @@ -2,4 +2,7 @@ # hw/mem/pc-dimm.c mhp_pc_dimm_assigned_slot(int slot) "%d" -mhp_pc_dimm_assigned_address(uint64_t addr) "0x%"PRIx64 +# hw/mem/memory-device.c +memory_device_pre_plug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64 +memory_device_plug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64 +memory_device_unplug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64