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[109.242.227.114]) by smtp.gmail.com with ESMTPSA id vq9-20020a170907a4c900b00a2ca97242d5sm9283321ejc.120.2024.01.19.03.14.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 03:14:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1705662874; x=1706267674; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KXo1YLt845Pt2zK9FJiS5jPZDy9N656n9fSj/iWqSqs=; b=uobO0qKXtRm5z94cMWLe/8qpUxOeGkvjP2RP1OYzvKF65uNE9McURJlI3OSK3zY9dk 3dNP6APiWJO8DPZ1AllUnSaNrJngP4U2cZQIBht37P537U7mbsndGfh4NrXYB/W076CJ kXR1g+cbrYtWKnGw0FQUm0xGkeq18GXXGTaeAtOw8hpGfjmRF/s+hSrwaw7BX457oswW USUfNoN0b9JWhXPZ8iA1R+g/2RCl0ARBXg2oClb+tMB/z6IsPH/cwtaPRf0H+omvUfmv bbRRoQtTxwY6cVTNfniY8QxzRlLec7yk2m6mmywbfdM2jLTDDSOkCMsJMTgS60FhMka0 9wkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705662874; x=1706267674; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KXo1YLt845Pt2zK9FJiS5jPZDy9N656n9fSj/iWqSqs=; b=A/qC+IFNi1uCgrorxgduD7L0jtzJxqktkqFffKtJTs/ef+2YWdo90uhygLo5st5nVO P3ks0mAPAJKhJonWZnyvKGv8HL62MJADfAy4Ub27wOPA2ExBTOH8TM2wjLO/RFFDu0ho 38JNk1pp2zON5o0nEdU9y+42PrL9+XT1D8RgI/n/uqanD83qzMc7N2tQSHg3fErIW1yA FlrU5IrXB9jrW+hodjN0d/It2DL9WuDXZ24q8vLhCyQHTpwNlyqG17d5XSQmelmoAu1P goCj6P/4R/VWG4MeefwSNGkDlZy5wFM4y+i3UGdvjzwbw+uqGGjWdygYrLyJgksWmBwC x96Q== X-Gm-Message-State: AOJu0YxPwBAqjggcQKSujBw6WECPkHOhpr8NZ5kddfV5RXJDP/Qukgqg SY9xJHP0N1uZnknIKE131kInEQJRMLWjH4drMmKgTwxiW/kQf8fNpMchP1FIcoMZXEq7DjU9Lm0 6m08= X-Google-Smtp-Source: AGHT+IEznSjLNMGlwr+n5quX1ep6ZKbJviBM6ONBmekQp5grAezV23Bo31idmqA5vcPLRjRQH2xw9w== X-Received: by 2002:a17:906:3b0f:b0:a28:abb3:dd74 with SMTP id g15-20020a1709063b0f00b00a28abb3dd74mr1321523ejf.81.1705662874037; Fri, 19 Jan 2024 03:14:34 -0800 (PST) From: Manos Pitsidianakis To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [PATCH 5/6] hw/xen/xen-hvm-common.c: convert DPRINTF to tracepoints Date: Fri, 19 Jan 2024 13:14:23 +0200 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::632; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-ej1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1705662953486100001 Content-Type: text/plain; charset="utf-8" Tracing DPRINTFs to stderr might not be desired. A developer that relies on tracepoints should be able to opt-in to each tracepoint and rely on QEMU's log redirection, instead of stderr by default. This commit converts DPRINTFs in this file that are used for tracing into tracepoints. Signed-off-by: Manos Pitsidianakis --- hw/xen/trace-events | 10 +++++++++- hw/xen/xen-hvm-common.c | 35 ++++++++++++++++++----------------- 2 files changed, 27 insertions(+), 18 deletions(-) diff --git a/hw/xen/trace-events b/hw/xen/trace-events index 1b748dba09..dd5b5a7f35 100644 --- a/hw/xen/trace-events +++ b/hw/xen/trace-events @@ -42,7 +42,7 @@ xs_node_vscanf(char *path, char *value) "%s %s" xs_node_watch(char *path) "%s" xs_node_unwatch(char *path) "%s" =20 -# xen-hvm.c +# xen-hvm-common.c xen_ram_alloc(unsigned long ram_addr, unsigned long size) "requested: 0x%l= x, size 0x%lx" xen_client_set_memory(uint64_t start_addr, unsigned long size, bool log_di= rty) "0x%"PRIx64" size 0x%lx, log_dirty %i" handle_ioreq(void *req, uint32_t type, uint32_t dir, uint32_t df, uint32_t= data_is_ptr, uint64_t addr, uint64_t data, uint32_t count, uint32_t size) = "I/O=3D%p type=3D%d dir=3D%d df=3D%d ptr=3D%d port=3D0x%"PRIx64" data=3D0x%= "PRIx64" count=3D%d size=3D%d" @@ -55,6 +55,14 @@ cpu_ioreq_move(void *req, uint32_t dir, uint32_t df, uin= t32_t data_is_ptr, uint6 xen_map_resource_ioreq(uint32_t id, void *addr) "id: %u addr: %p" cpu_ioreq_config_read(void *req, uint32_t sbdf, uint32_t reg, uint32_t siz= e, uint32_t data) "I/O=3D%p sbdf=3D0x%x reg=3D%u size=3D%u data=3D0x%x" cpu_ioreq_config_write(void *req, uint32_t sbdf, uint32_t reg, uint32_t si= ze, uint32_t data) "I/O=3D%p sbdf=3D0x%x reg=3D%u size=3D%u data=3D0x%x" +cpu_get_ioreq_from_shared_memory_req_not_ready(int state, int data_is_ptr,= uint64_t addr, uint64_t data, uint32_t count, uint32_t size) "I/O request = not ready: 0x%x, ptr: 0x%x, port: 0x%"PRIx64", data: 0x%"PRIx64", count: %u= , size: %u" +xen_main_loop_prepare_init_cpu(int id, void *cpu) "cpu_by_vcpu_id[%d]=3D%p" +xen_map_ioreq_server_shared_page(long unsigned int ioreq_pfn) "shared page= at pfn 0x%lx" +xen_map_ioreq_server_buffered_io_page(long unsigned int ioreq_pfn) "buffer= ed io page at pfn 0x%lx" +xen_map_ioreq_server_buffered_io_evtchn(int bufioreq_evtchn) "buffered io = evtchn is 0x%x" +destroy_hvm_domain_cannot_acquire_handle(void) "Cannot acquire xenctrl han= dle" +destroy_hvm_domain_failed_action(const char *action, int sts, char *errno_= s) "xc_domain_shutdown failed to issue %s, sts %d, %s" +destroy_hvm_domain_action(int xen_domid, const char *action) "Issued domai= n %d %s" =20 # xen-mapcache.c xen_map_cache(uint64_t phys_addr) "want 0x%"PRIx64 diff --git a/hw/xen/xen-hvm-common.c b/hw/xen/xen-hvm-common.c index 47e6cb1db3..05a29c6f11 100644 --- a/hw/xen/xen-hvm-common.c +++ b/hw/xen/xen-hvm-common.c @@ -169,11 +169,12 @@ static ioreq_t *cpu_get_ioreq_from_shared_memory(XenI= OState *state, int vcpu) ioreq_t *req =3D xen_vcpu_ioreq(state->shared_page, vcpu); =20 if (req->state !=3D STATE_IOREQ_READY) { - DPRINTF("I/O request not ready: " - "%x, ptr: %x, port: %"PRIx64", " - "data: %"PRIx64", count: %u, size: %u\n", - req->state, req->data_is_ptr, req->addr, - req->data, req->count, req->size); + trace_cpu_get_ioreq_from_shared_memory_req_not_ready(req->state, + req->data_is_= ptr, + req->addr, + req->data, + req->count, + req->size); return NULL; } =20 @@ -601,10 +602,9 @@ static void xen_main_loop_prepare(XenIOState *state) if (evtchn_fd !=3D -1) { CPUState *cpu_state; =20 - DPRINTF("%s: Init cpu_by_vcpu_id\n", __func__); CPU_FOREACH(cpu_state) { - DPRINTF("%s: cpu_by_vcpu_id[%d]=3D%p\n", - __func__, cpu_state->cpu_index, cpu_state); + trace_xen_main_loop_prepare_init_cpu(cpu_state->cpu_index, + cpu_state); state->cpu_by_vcpu_id[cpu_state->cpu_index] =3D cpu_state; } qemu_set_fd_handler(evtchn_fd, cpu_handle_ioreq, NULL, state); @@ -681,7 +681,7 @@ static int xen_map_ioreq_server(XenIOState *state) } =20 if (state->shared_page =3D=3D NULL) { - DPRINTF("shared page at pfn %lx\n", ioreq_pfn); + trace_xen_map_ioreq_server_shared_page(ioreq_pfn); =20 state->shared_page =3D xenforeignmemory_map(xen_fmem, xen_domid, PROT_READ | PROT_WRITE, @@ -693,7 +693,7 @@ static int xen_map_ioreq_server(XenIOState *state) } =20 if (state->buffered_io_page =3D=3D NULL) { - DPRINTF("buffered io page at pfn %lx\n", bufioreq_pfn); + trace_xen_map_ioreq_server_buffered_io_page(bufioreq_pfn); =20 state->buffered_io_page =3D xenforeignmemory_map(xen_fmem, xen_dom= id, PROT_READ | PROT_WR= ITE, @@ -709,7 +709,7 @@ static int xen_map_ioreq_server(XenIOState *state) return -1; } =20 - DPRINTF("buffered io evtchn is %x\n", bufioreq_evtchn); + trace_xen_map_ioreq_server_buffered_io_evtchn(bufioreq_evtchn); =20 state->bufioreq_remote_port =3D bufioreq_evtchn; =20 @@ -737,16 +737,17 @@ void destroy_hvm_domain(bool reboot) =20 xc_handle =3D xc_interface_open(0, 0, 0); if (xc_handle =3D=3D NULL) { - fprintf(stderr, "Cannot acquire xenctrl handle\n"); + trace_destroy_hvm_domain_cannot_acquire_handle(); } else { sts =3D xc_domain_shutdown(xc_handle, xen_domid, reason); if (sts !=3D 0) { - fprintf(stderr, "xc_domain_shutdown failed to issue %s, " - "sts %d, %s\n", reboot ? "reboot" : "poweroff", - sts, strerror(errno)); + trace_destroy_hvm_domain_failed_action( + reboot ? "reboot" : "poweroff", sts, strerror(errno) + ); } else { - fprintf(stderr, "Issued domain %d %s\n", xen_domid, - reboot ? "reboot" : "poweroff"); + trace_destroy_hvm_domain_action( + xen_domid, reboot ? "reboot" : "poweroff" + ); } xc_interface_close(xc_handle); } --=20 =CE=B3=CE=B1=E1=BF=96=CE=B1 =CF=80=CF=85=CF=81=CE=AF =CE=BC=CE=B9=CF=87=CE= =B8=CE=AE=CF=84=CF=89