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[37.6.163.245]) by smtp.gmail.com with ESMTPSA id co6-20020a0560000a0600b0033af4df8e1esm1219957wrb.47.2024.01.29.08.11.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jan 2024 08:11:01 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: ff87d933-bec0-11ee-98f5-efadbce2ee36 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706544662; x=1707149462; darn=lists.xenproject.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=twCbSHojWsbr5gv/7yE94TkwwcJ8Z3GKHFCgEYch/Mg=; b=T8hZ5nGcFg/ZJYc3WUbvNz9rOV1b0jlWCaAzt1CCtgj6lkY7v/niuc9gGQCqO7/zJE vhzbEEIHa5D4mYGH1VKwa2KMdRyhp7bVKJV9kqwj0N2ruHIxjyhXk2i05Rd5YIjv4RjJ 1pivg0mtu5LDAjqFsPgQxpvNO2yJErd+JtifgE4Wgx3iloGtGoYxwY+/ZZg0ayt4G1SM yG4kxfMTC6zE67XPJZcebOwuvNKqwuiDwJvM+gN4b4qDeQha2p/Y3CPXhU8Snuh6FoTJ V/+LI4Kc/PlkkJBYx3rR2zcshpjYXuvsmRL4wzmFG8Enn5M6fTXHL2E7D8itNgjcBjfr Qk4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706544662; x=1707149462; 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=twCbSHojWsbr5gv/7yE94TkwwcJ8Z3GKHFCgEYch/Mg=; b=CpyBbFhSs5VQbyd+q6h9EcZuJuNgS7MbDdNhoB1p96VPI5R2hBFloUIB8MNQUGXhZ1 WO7pF6cvv5cndF/OSWysCm/TinivpgDdWFMhGlSugDJ0+/hwrc+jMoOlcMLLQChu2/De L4oleJEmNZdFfsHVxPdL+K/+rNBF7yJZfkQ9MFQAj7fH3wVUTefzQCdJMOrrcu4L+JMx BNerlU25QqO1JP+3Jn62dRHBsHIgWHGo7e1pKBTR5DS5HN44QY0t7vjFUivEVEPmP1Hw +4OmpNuYg6bOcPyHoDrnw5U18FQMF8Sac8VPmTiDYUYxMshXD9WYgWBjr18NXh3ANR4L eY4A== X-Gm-Message-State: AOJu0YxA+mBON/1JkpNBgd+/lOMAAvef/S9Yd/G6htVJaeFR8coRyf2k lp6QTLMM5CuFSgysqb0q6BWPfwVJ6ZyM6MHJlPoSDoRBC1v1zR3o4gJm5/s6zYY= X-Google-Smtp-Source: AGHT+IFHfef60/eAVVHH0kuTs/lfrSLJKa6iuHY11S8YaJiIhT6WLh5nB2VDle+t9MxY8DzYa8+KtQ== X-Received: by 2002:adf:e584:0:b0:337:c097:db9f with SMTP id l4-20020adfe584000000b00337c097db9fmr5003853wrm.17.1706544662220; Mon, 29 Jan 2024 08:11:02 -0800 (PST) From: Manos Pitsidianakis To: qemu-devel@nongnu.org, qemu-arm@nongnu.org, qemu-block@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Stefano Stabellini , Anthony Perard , Paul Durrant , xen-devel@lists.xenproject.org Subject: [PATCH v3 5/6] hw/xen/xen-hvm-common.c: convert DPRINTF to tracepoints Date: Mon, 29 Jan 2024 18:09:41 +0200 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1706544690248100001 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 Reviewed-by: Alex Benn=C3=A9e --- 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 a65dc0e55f..d1b27f6c11 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