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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id k2-20020a05600c1c8200b0040fafd84095sm214735wms.41.2024.02.02.07.36.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Feb 2024 07:36:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706888211; x=1707493011; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=dM1ag+hc6Tlr+SofgNgQWcacda8AUiOk3VlHdLXApxg=; b=KGHJBymGGw6ISJjzXuCGcMuKUFgF0qzw2ggCMNkQVqbckwJnxTRahOWQ7krE3w3nYs lTDOGFJeJM4pinum63vtEHnKjS8vF7ZFuy7J6ZCnga4/ioS+9O6SYL1YN37M6q2rC7PP 1i0LrU1bmyH2rvntOYhJ2O18iFo/u9fqYhB+0amgmwCG2i2h508I4vvGhkzPqPmN3Yov ZhhLasjXW5KEqxtZgWFX4UYNk639D5/DYOrOesFW0bBZxF5wPQrVFmpzugAkD/WEUvS9 0o80c4mT4Y1tTyMzYlZR2D9+2+hR0c6/zogmPA/UqPnpS5wI/vDN2lCCgNSWCXgMAEHC cFFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706888211; x=1707493011; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dM1ag+hc6Tlr+SofgNgQWcacda8AUiOk3VlHdLXApxg=; b=o6n5h70QtL2d/6nhq33Ec1HM0AxhTe9CtnwrGR81SR/iVGBU70DguSA5pEixlkyPNc HDX/zW7Qf6uDY0zqYnnmCOop//18/3WjqFKvTGIftzIecWhL0TnOwqIg+9rActaHYSDV qyESV/ml7r/gTdqr2rCdFsXcEoPNFW6pC2RorJdsf9oCWWSuVbCK02CIs8iDB2hbYh7Y zQWlutuosuVRUBXFNfFAO6ejezGNFxZAPbOv4otWdprTZmsC23eCPaOn7BRvRGOzIxAL 6V2T6FPa/Fln/0lhkgw5BmNMrV/CLASnggtshVb+hxftsaplr9ACGQI3WvcfhQSarJsI moDg== X-Gm-Message-State: AOJu0YxLnHLhWZQOGlyhLqDNVbwNAfvfU+d4t0ibRksHHc9c93JUQmda KFYwcjvFVyNmH3WBxm3d616Pe2NzgPjsFid7k7vmGXlPbEuHqfAqA0FR37Rcv0rvMzlPbrIlbj3 x X-Google-Smtp-Source: AGHT+IGcth72FjC3hPHKF5w9kt5/eyA56WGfU7aigq7z/mctndDpnIxqYUTRnAN1dckXkdCmsaKAqA== X-Received: by 2002:ac2:592d:0:b0:511:3460:925c with SMTP id v13-20020ac2592d000000b005113460925cmr1719006lfi.65.1706888211220; Fri, 02 Feb 2024 07:36:51 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 27/36] hw/xen/xen-hvm-common.c: convert DPRINTF to tracepoints Date: Fri, 2 Feb 2024 15:36:28 +0000 Message-Id: <20240202153637.3710444-28-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240202153637.3710444-1-peter.maydell@linaro.org> References: <20240202153637.3710444-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::12b; envelope-from=peter.maydell@linaro.org; helo=mail-lf1-x12b.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=ham 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: 1706888384331100011 From: Manos Pitsidianakis 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 Message-id: b000ab73022dfeb7a7ab0ee8fd0f41fb208adaf0.1706544115.git.manos.p= itsidianakis@linaro.org Signed-off-by: Peter Maydell --- hw/xen/xen-hvm-common.c | 35 ++++++++++++++++++----------------- hw/xen/trace-events | 10 +++++++++- 2 files changed, 27 insertions(+), 18 deletions(-) diff --git a/hw/xen/xen-hvm-common.c b/hw/xen/xen-hvm-common.c index 47e6cb1db3a..05a29c6f11a 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); } diff --git a/hw/xen/trace-events b/hw/xen/trace-events index a65dc0e55fd..d1b27f6c11b 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 --=20 2.34.1