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[85.223.141.74]) by smtp.gmail.com with ESMTPSA id w27sm4585275ljd.55.2019.09.11.03.32.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 11 Sep 2019 03:32:31 -0700 (PDT) X-Inumbo-ID: 76e7155c-d47f-11e9-b299-bc764e2007e4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=FeNrC6ayJRxDhm8dZguxagsFl4ax8cTGLoDLGNor5EU=; b=C9Y2hzfU687HJuQP7Y3fi8qDQl9xytXyv9Kyrme6dgV4Xs/WHWxV6XmP7oasg8VfO6 SJJvsPpb20s4iOcVESxN/NvoBjs78eXLiQ0+RzENMu9W2LZ3gcb5Mk5M5Eyxyo0AoKZk lnVlmJW40/0Lf+arcy74Gkj2/vgnabYiuCBcGVZs1akW60WVOsJfmimJHWHNr/GsW8F9 PNr25QvQAkqBGvheRa9rhIwY3EecSrT3pn2cR8yT3xdjPoE5LWhMbIgQCHWqen8Jg/dn OYUokLg9GskhtC99lkwbDYAUuA5kJmWWHI4AsJcsT5wTiehHXDmVlWH+Bgwhi2N2blie L7wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=FeNrC6ayJRxDhm8dZguxagsFl4ax8cTGLoDLGNor5EU=; b=HtEQJneMhHVv+PMKfX5s+z+FnYgEFHCyTUJKmELKpdk0eppVlfpGA6jTMus8sRVR2O scbFRSE0LG+rUhq8ID58x2zkHgzowzG8NkkfzSvbk0NKa5lvKDkGkvPO0UT8WC5a7xw/ 3Pc7IiYIXG4Ib9vidrfAQy8POKA/3znxdqZjoV16Dg0X0le1nstO6l83OJXSxmAiqbAJ kwOyWcgqQD/kdH4Uo31E97hPItooAvMPHLXQ4nmwhl3bZO9V6EoTtCHD+SV/ZmySh5bD CUYumcuZMkznid6uuDFeqDkfPPFV9hMsr4D1SfmUdjPDAojdNzSQJa702XJ6xi+ZoN+e Z2wA== X-Gm-Message-State: APjAAAWrWgMp+AY95EB8ocvxcu1Mb811b+yV0xgEtCp1b7k0OjIKLtHi kIo/vA+W/Mw7myT0hXN96RbGoXSZo4A= X-Google-Smtp-Source: APXvYqz5iVXjde/moak1Zqnzh85/RxP2W4dXNPHLLSW6UjD/1QSFoiU471ZYRqoCaWuOqP1lM0sDyQ== X-Received: by 2002:a2e:9882:: with SMTP id b2mr23024769ljj.225.1568197952337; Wed, 11 Sep 2019 03:32:32 -0700 (PDT) From: Andrii Anisov To: xen-devel@lists.xenproject.org Date: Wed, 11 Sep 2019 13:32:17 +0300 Message-Id: <1568197942-15374-5-git-send-email-andrii.anisov@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1568197942-15374-1-git-send-email-andrii.anisov@gmail.com> References: <1568197942-15374-1-git-send-email-andrii.anisov@gmail.com> Subject: [Xen-devel] [RFC 4/9] arm64: utilize time accounting X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Volodymyr Babchuk , Julien Grall , Stefano Stabellini , Andrii Anisov MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Andrii Anisov Call time accounting hooks from appropriate transition points of the ARM64 code. Signed-off-by: Andrii Anisov --- xen/arch/arm/arm64/entry.S | 39 ++++++++++++++++++++++++++++++++++++--- xen/arch/arm/domain.c | 2 ++ 2 files changed, 38 insertions(+), 3 deletions(-) diff --git a/xen/arch/arm/arm64/entry.S b/xen/arch/arm/arm64/entry.S index 2d9a271..6fb2fa9 100644 --- a/xen/arch/arm/arm64/entry.S +++ b/xen/arch/arm/arm64/entry.S @@ -143,12 +143,21 @@ =20 .endm =20 - .macro exit, hyp, compat + .macro exit, hyp, compat, tacc=3D1 =20 .if \hyp =3D=3D 0 /* Guest mode */ =20 + .if \tacc =3D=3D 1 + + mov x0, #1 + bl tacc_hyp + + .endif + bl leave_hypervisor_tail /* Disables interrupts on return */ =20 + mov x0, #1 + bl tacc_guest exit_guest \compat =20 .endif @@ -205,9 +214,15 @@ hyp_sync: =20 hyp_irq: entry hyp=3D1 + mov x0,#5 + bl tacc_irq_enter msr daifclr, #4 mov x0, sp bl do_trap_irq + + mov x0,#5 + bl tacc_irq_exit + exit hyp=3D1 =20 guest_sync: @@ -291,6 +306,9 @@ guest_sync_slowpath: * to save them. */ entry hyp=3D0, compat=3D0, save_x0_x1=3D0 + =20 + mov x0,#1 + bl tacc_gsync /* * The vSError will be checked while SKIP_SYNCHRONIZE_SERROR_ENTRY= _EXIT * is not set. If a vSError took place, the initial exception will= be @@ -307,6 +325,10 @@ guest_sync_slowpath: =20 guest_irq: entry hyp=3D0, compat=3D0 + + mov x0,#6 + bl tacc_irq_enter + /* * The vSError will be checked while SKIP_SYNCHRONIZE_SERROR_ENTRY= _EXIT * is not set. If a vSError took place, the initial exception will= be @@ -319,6 +341,8 @@ guest_irq: mov x0, sp bl do_trap_irq 1: + mov x0,#6 + bl tacc_irq_exit exit hyp=3D0, compat=3D0 =20 guest_fiq_invalid: @@ -334,6 +358,9 @@ guest_error: =20 guest_sync_compat: entry hyp=3D0, compat=3D1 + + mov x0,#2 + bl tacc_gsync /* * The vSError will be checked while SKIP_SYNCHRONIZE_SERROR_ENTRY= _EXIT * is not set. If a vSError took place, the initial exception will= be @@ -350,6 +377,10 @@ guest_sync_compat: =20 guest_irq_compat: entry hyp=3D0, compat=3D1 + + mov x0,#7 + bl tacc_irq_enter + /* * The vSError will be checked while SKIP_SYNCHRONIZE_SERROR_ENTRY= _EXIT * is not set. If a vSError took place, the initial exception will= be @@ -362,6 +393,8 @@ guest_irq_compat: mov x0, sp bl do_trap_irq 1: + mov x0,#7 + bl tacc_irq_exit exit hyp=3D0, compat=3D1 =20 guest_fiq_invalid_compat: @@ -376,9 +409,9 @@ guest_error_compat: exit hyp=3D0, compat=3D1 =20 ENTRY(return_to_new_vcpu32) - exit hyp=3D0, compat=3D1 + exit hyp=3D0, compat=3D1, tacc=3D0 ENTRY(return_to_new_vcpu64) - exit hyp=3D0, compat=3D0 + exit hyp=3D0, compat=3D0, tacc=3D0 =20 return_from_trap: msr daifset, #2 /* Mask interrupts */ diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c index a9c4113..53ef630 100644 --- a/xen/arch/arm/domain.c +++ b/xen/arch/arm/domain.c @@ -51,11 +51,13 @@ static void do_idle(void) process_pending_softirqs(); =20 local_irq_disable(); + tacc_idle(1); if ( cpu_is_haltable(cpu) ) { dsb(sy); wfi(); } + tacc_hyp(2); local_irq_enable(); =20 sched_tick_resume(); --=20 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel