From nobody Thu Sep 19 16:17:31 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1600236809; cv=none; d=zohomail.com; s=zohoarc; b=bvNNXkSr6sLOg/xqyN5BJynNq49QrmiCQ0D52lQ19Vv+yk+t3Me+8024XL5dQFqIe79uZ8zO+WCxqqliWXp0upSVtzZzm16m5nxdOKTKRujbM/UAam4sTRTEJfxOOmPg8VsFxeuT+J7DYfzDp1J+FFOKYhwAR55AqKksTlPvr8I= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600236809; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=M85CSwRxMgcyx9yQFfVj0iMuSIt4fAGzL7snz2RUMdA=; b=GGRkk3tfb4fJl2FBF0gDh3Km6z/ST9X+e2VV7ELSCQTYH5fqooVENLWf9EnYfyegtxhapmvxTWejNh90rxbZkppRQcUT1BO6/6lUrvvQSQxfXrt9H9Z24zIOThUSSMgw7fPnbKSRy7eE1R9cxQ6jc2ivaJDp4TK6CMa+XuLU4sk= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1600236809517286.5355755765297; Tue, 15 Sep 2020 23:13:29 -0700 (PDT) Received: from localhost ([::1]:36168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIQh6-0008Vh-8P for importer@patchew.org; Wed, 16 Sep 2020 02:13:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58872) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIQfM-0006oC-4j for qemu-devel@nongnu.org; Wed, 16 Sep 2020 02:11:40 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:52398 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIQfH-0005Xp-5Q for qemu-devel@nongnu.org; Wed, 16 Sep 2020 02:11:39 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 113619CD38B00366F12B; Wed, 16 Sep 2020 14:11:30 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Wed, 16 Sep 2020 14:11:22 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v10 12/12] migration/dirtyrate: Add trace_calls to make it easier to debug Date: Wed, 16 Sep 2020 14:22:07 +0800 Message-ID: <1600237327-33618-13-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1600237327-33618-1-git-send-email-zhengchuan@huawei.com> References: <1600237327-33618-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.35; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/16 02:11:31 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhengchuan@huawei.com, zhang.zhanghailiang@huawei.com, liq3ea@gmail.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add trace_calls to make it easier to debug Signed-off-by: Chuan Zheng Reviewed-by: Dr. David Alan Gilbert Reviewed-by: David Edmondson --- migration/dirtyrate.c | 9 +++++++++ migration/trace-events | 8 ++++++++ 2 files changed, 17 insertions(+) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 06f455d..f432840 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -22,6 +22,7 @@ #include "qapi/qapi-commands-migration.h" #include "migration.h" #include "ram.h" +#include "trace.h" #include "dirtyrate.h" =20 static int CalculatingState =3D DIRTY_RATE_STATUS_UNSTARTED; @@ -54,6 +55,7 @@ static bool is_sample_period_valid(int64_t sec) static int dirtyrate_set_state(int *state, int old_state, int new_state) { assert(new_state < DIRTY_RATE_STATUS__MAX); + trace_dirtyrate_set_state(DirtyRateStatus_str(new_state)); if (atomic_cmpxchg(state, old_state, new_state) =3D=3D old_state) { return 0; } else { @@ -76,6 +78,8 @@ static struct DirtyRateInfo *query_dirty_rate_info(void) info->start_time =3D DirtyStat.start_time; info->calc_time =3D DirtyStat.calc_time; =20 + trace_query_dirty_rate_info(DirtyRateStatus_str(CalculatingState)); + return info; } =20 @@ -123,6 +127,7 @@ static uint32_t get_ramblock_vfn_hash(struct RamblockDi= rtyInfo *info, crc =3D crc32(0, (info->ramblock_addr + vfn * TARGET_PAGE_SIZE), TARGET_PAGE_SIZE); =20 + trace_get_ramblock_vfn_hash(info->idstr, vfn, crc); return crc; } =20 @@ -201,6 +206,8 @@ static bool skip_sample_ramblock(RAMBlock *block) * Sample only blocks larger than MIN_RAMBLOCK_SIZE. */ if (qemu_ram_get_used_length(block) < (MIN_RAMBLOCK_SIZE << 10)) { + trace_skip_sample_ramblock(block->idstr, + qemu_ram_get_used_length(block)); return true; } =20 @@ -260,6 +267,7 @@ static void calc_page_dirty_rate(struct RamblockDirtyIn= fo *info) for (i =3D 0; i < info->sample_pages_count; i++) { crc =3D get_ramblock_vfn_hash(info, info->sample_page_vfn[i]); if (crc !=3D info->hash_result[i]) { + trace_calc_page_dirty_rate(info->idstr, crc, info->hash_result= [i]); info->sample_dirty_count++; } } @@ -285,6 +293,7 @@ find_block_matched(RAMBlock *block, int count, if (infos[i].ramblock_addr !=3D qemu_ram_get_host_addr(block) || infos[i].ramblock_pages !=3D (qemu_ram_get_used_length(block) >> TARGET_PAGE_BITS)) { + trace_find_page_matched(block->idstr); return NULL; } =20 diff --git a/migration/trace-events b/migration/trace-events index 4ab0a50..8c2b58f 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -312,3 +312,11 @@ dirty_bitmap_load_bits_zeroes(void) "" dirty_bitmap_load_header(uint32_t flags) "flags 0x%x" dirty_bitmap_load_enter(void) "" dirty_bitmap_load_success(void) "" + +# dirtyrate.c +dirtyrate_set_state(const char *new_state) "new state %s" +query_dirty_rate_info(const char *new_state) "current state %s" +get_ramblock_vfn_hash(const char *idstr, uint64_t vfn, uint32_t crc) "ramb= lock name: %s, vfn: %"PRIu64 ", crc: %" PRIu32 +calc_page_dirty_rate(const char *idstr, uint32_t new_crc, uint32_t old_crc= ) "ramblock name: %s, new crc: %" PRIu32 ", old crc: %" PRIu32 +skip_sample_ramblock(const char *idstr, uint64_t ramblock_size) "ramblock = name: %s, ramblock size: %" PRIu64 +find_page_matched(const char *idstr) "ramblock %s addr or size changed" --=20 1.8.3.1