From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 19A15A056A; Wed, 10 Mar 2021 18:24:46 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F097522A38A; Wed, 10 Mar 2021 18:24:45 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id 492D022A387 for ; Wed, 10 Mar 2021 18:24:44 +0100 (CET) IronPort-SDR: qNB5qD1RThTbg9xUgp8mPmMkD2Yevy01GEJWmWI+9FgE7Vy/m1/N/abIIW0xNclMKBDxwEf+cW KNkKJ4cZANlw== X-IronPort-AV: E=McAfee;i="6000,8403,9919"; a="249887291" X-IronPort-AV: E=Sophos;i="5.81,237,1610438400"; d="scan'208";a="249887291" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2021 09:24:41 -0800 IronPort-SDR: CRuXZ9zPqw1xOT6EwoVfyOWhf0LHSR/aX1BZKYuB/vcB9z0WRSonaDPUM0Ajw6X+WOTP4Fdfjz aDs/jB7SxMoA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,237,1610438400"; d="scan'208";a="410271649" Received: from silpixa00399126.ir.intel.com ([10.237.223.188]) by orsmga008.jf.intel.com with ESMTP; 10 Mar 2021 09:24:40 -0800 From: Bruce Richardson To: dev@dpdk.org Cc: Bruce Richardson , Kevin Laatz Date: Wed, 10 Mar 2021 17:24:27 +0000 Message-Id: <20210310172430.412405-2-bruce.richardson@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210310172430.412405-1-bruce.richardson@intel.com> References: <20210310172430.412405-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH 1/4] telemetry: use rte_log for logging X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Rather than passing back an error string to the caller, take as input the rte_log function to use, and just use regular logging. Signed-off-by: Bruce Richardson --- lib/librte_eal/freebsd/eal.c | 10 ++-- lib/librte_eal/linux/eal.c | 10 ++-- lib/librte_telemetry/rte_telemetry.h | 15 ++++-- lib/librte_telemetry/telemetry.c | 72 +++++++++++++--------------- 4 files changed, 49 insertions(+), 58 deletions(-) diff --git a/lib/librte_eal/freebsd/eal.c b/lib/librte_eal/freebsd/eal.c index e2cdad5283..b8a798bc7d 100644 --- a/lib/librte_eal/freebsd/eal.c +++ b/lib/librte_eal/freebsd/eal.c @@ -941,15 +941,11 @@ rte_eal_init(int argc, char **argv) return -1; } if (!internal_conf->no_telemetry) { - const char *error_str = NULL; + uint32_t tlog = rte_log_register_type_and_pick_level( + "lib.telemetry", RTE_LOG_WARNING); if (rte_telemetry_init(rte_eal_get_runtime_dir(), - &internal_conf->ctrl_cpuset, &error_str) - != 0) { - rte_eal_init_alert(error_str); + &internal_conf->ctrl_cpuset, rte_log, tlog) != 0) return -1; - } - if (error_str != NULL) - RTE_LOG(NOTICE, EAL, "%s\n", error_str); } eal_mcfg_complete(); diff --git a/lib/librte_eal/linux/eal.c b/lib/librte_eal/linux/eal.c index 6c34ac8903..23e3a32036 100644 --- a/lib/librte_eal/linux/eal.c +++ b/lib/librte_eal/linux/eal.c @@ -1314,15 +1314,11 @@ rte_eal_init(int argc, char **argv) return -1; } if (!internal_conf->no_telemetry) { - const char *error_str = NULL; + uint32_t tlog = rte_log_register_type_and_pick_level( + "lib.telemetry", RTE_LOG_WARNING); if (rte_telemetry_init(rte_eal_get_runtime_dir(), - &internal_conf->ctrl_cpuset, &error_str) - != 0) { - rte_eal_init_alert(error_str); + &internal_conf->ctrl_cpuset, rte_log, tlog) != 0) return -1; - } - if (error_str != NULL) - RTE_LOG(NOTICE, EAL, "%s\n", error_str); } eal_mcfg_complete(); diff --git a/lib/librte_telemetry/rte_telemetry.h b/lib/librte_telemetry/rte_telemetry.h index f8e54dc68e..2c3da3ab7f 100644 --- a/lib/librte_telemetry/rte_telemetry.h +++ b/lib/librte_telemetry/rte_telemetry.h @@ -292,6 +292,12 @@ __rte_experimental int rte_telemetry_register_cmd(const char *cmd, telemetry_cb fn, const char *help); +/** + * @internal + * Log function type, to allow passing as parameter if necessary + */ +typedef int (*rte_log_fn)(uint32_t level, uint32_t logtype, const char *format, ...); + /** * @internal * Initialize Telemetry. @@ -300,9 +306,10 @@ rte_telemetry_register_cmd(const char *cmd, telemetry_cb fn, const char *help); * The runtime directory of DPDK. * @param cpuset * The CPU set to be used for setting the thread affinity. - * @param err_str - * This err_str pointer should point to NULL on entry. In the case of an error - * or warning, it will be non-NULL on exit. + * @param log_fn + * Function pointer to the rte_log function for logging use + * @param registered_logtype + * The registered log type to use for logging * * @return * 0 on success. @@ -312,7 +319,7 @@ rte_telemetry_register_cmd(const char *cmd, telemetry_cb fn, const char *help); __rte_internal int rte_telemetry_init(const char *runtime_dir, rte_cpuset_t *cpuset, - const char **err_str); + rte_log_fn log_fn, uint32_t registered_logtype); /** * Get a pointer to a container with memory allocated. The container is to be diff --git a/lib/librte_telemetry/telemetry.c b/lib/librte_telemetry/telemetry.c index b142729da4..18f2ae2e2f 100644 --- a/lib/librte_telemetry/telemetry.c +++ b/lib/librte_telemetry/telemetry.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "rte_telemetry.h" #include "telemetry_json.h" @@ -48,7 +49,15 @@ struct socket { static struct socket v2_socket; /* socket for v2 telemetry */ static struct socket v1_socket; /* socket for v1 telemetry */ #endif /* !RTE_EXEC_ENV_WINDOWS */ -static char telemetry_log_error[1024]; /* Will contain error on init failure */ + +static const char *socket_dir; +static rte_cpuset_t *thread_cpuset; +static rte_log_fn rte_log_ptr; +static uint32_t logtype; + +#define TMTY_LOG(l, ...) \ + rte_log_ptr(RTE_LOG_ ## l, logtype, "TELEMETRY: " __VA_ARGS__) + /* list of command callbacks, with one command registered by default */ static struct cmd_callback callbacks[TELEMETRY_MAX_CALLBACKS]; static int num_callbacks; /* How many commands are registered */ @@ -344,9 +353,7 @@ socket_listener(void *socket) struct socket *s = (struct socket *)socket; int s_accepted = accept(s->sock, NULL, NULL); if (s_accepted < 0) { - snprintf(telemetry_log_error, - sizeof(telemetry_log_error), - "Error with accept, telemetry thread quitting"); + TMTY_LOG(ERR, "Error with accept, telemetry thread quitting\n"); return NULL; } if (s->num_clients != NULL) { @@ -388,9 +395,7 @@ create_socket(char *path) { int sock = socket(AF_UNIX, SOCK_SEQPACKET, 0); if (sock < 0) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "Error with socket creation, %s", - strerror(errno)); + TMTY_LOG(ERR, "Error with socket creation, %s\n", strerror(errno)); return -1; } @@ -398,17 +403,13 @@ create_socket(char *path) strlcpy(sun.sun_path, path, sizeof(sun.sun_path)); unlink(sun.sun_path); if (bind(sock, (void *) &sun, sizeof(sun)) < 0) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "Error binding socket: %s", - strerror(errno)); + TMTY_LOG(ERR, "Error binding socket: %s\n", strerror(errno)); sun.sun_path[0] = 0; goto error; } if (listen(sock, 1) < 0) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "Error calling listen for socket: %s", - strerror(errno)); + TMTY_LOG(ERR, "Error calling listen for socket: %s\n", strerror(errno)); goto error; } @@ -421,35 +422,33 @@ create_socket(char *path) } static int -telemetry_legacy_init(const char *runtime_dir, rte_cpuset_t *cpuset) +telemetry_legacy_init(void) { pthread_t t_old; if (num_legacy_callbacks == 1) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "No legacy callbacks, legacy socket not created"); + TMTY_LOG(WARNING, "No legacy callbacks, legacy socket not created\n"); return -1; } v1_socket.fn = legacy_client_handler; if ((size_t) snprintf(v1_socket.path, sizeof(v1_socket.path), - "%s/telemetry", runtime_dir) - >= sizeof(v1_socket.path)) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "Error with socket binding, path too long"); + "%s/telemetry", socket_dir) >= sizeof(v1_socket.path)) { + TMTY_LOG(ERR, "Error with socket binding, path too long\n"); return -1; } v1_socket.sock = create_socket(v1_socket.path); if (v1_socket.sock < 0) return -1; pthread_create(&t_old, NULL, socket_listener, &v1_socket); - pthread_setaffinity_np(t_old, sizeof(*cpuset), cpuset); + pthread_setaffinity_np(t_old, sizeof(*thread_cpuset), thread_cpuset); + TMTY_LOG(DEBUG, "Legacy telemetry socket initialized ok\n"); return 0; } static int -telemetry_v2_init(const char *runtime_dir, rte_cpuset_t *cpuset) +telemetry_v2_init(void) { pthread_t t_new; @@ -461,10 +460,9 @@ telemetry_v2_init(const char *runtime_dir, rte_cpuset_t *cpuset) rte_telemetry_register_cmd("/help", command_help, "Returns help text for a command. Parameters: string command"); v2_socket.fn = client_handler; - if (strlcpy(v2_socket.path, get_socket_path(runtime_dir, 2), + if (strlcpy(v2_socket.path, get_socket_path(socket_dir, 2), sizeof(v2_socket.path)) >= sizeof(v2_socket.path)) { - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "Error with socket binding, path too long"); + TMTY_LOG(ERR, "Error with socket binding, path too long\n"); return -1; } @@ -472,7 +470,7 @@ telemetry_v2_init(const char *runtime_dir, rte_cpuset_t *cpuset) if (v2_socket.sock < 0) return -1; pthread_create(&t_new, NULL, socket_listener, &v2_socket); - pthread_setaffinity_np(t_new, sizeof(*cpuset), cpuset); + pthread_setaffinity_np(t_new, sizeof(*thread_cpuset), thread_cpuset); atexit(unlink_sockets); return 0; @@ -482,23 +480,17 @@ telemetry_v2_init(const char *runtime_dir, rte_cpuset_t *cpuset) int32_t rte_telemetry_init(const char *runtime_dir, rte_cpuset_t *cpuset, - const char **err_str) + rte_log_fn log_fn, uint32_t registered_logtype) { + socket_dir = runtime_dir; + thread_cpuset = cpuset; + rte_log_ptr = log_fn; + logtype = registered_logtype; #ifndef RTE_EXEC_ENV_WINDOWS - if (telemetry_v2_init(runtime_dir, cpuset) != 0) { - *err_str = telemetry_log_error; + if (telemetry_v2_init() != 0) return -1; - } - if (telemetry_legacy_init(runtime_dir, cpuset) != 0) { - *err_str = telemetry_log_error; - } -#else /* RTE_EXEC_ENV_WINDOWS */ - RTE_SET_USED(runtime_dir); - RTE_SET_USED(cpuset); - RTE_SET_USED(err_str); - - snprintf(telemetry_log_error, sizeof(telemetry_log_error), - "DPDK Telemetry is not supported on Windows."); + TMTY_LOG(DEBUG, "Telemetry initialized ok\n"); + telemetry_legacy_init(); #endif /* RTE_EXEC_ENV_WINDOWS */ return 0; -- 2.27.0