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{
    "id": 138865,
    "url": "http://patches.dpdk.org/api/patches/138865/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20240327164726.68732-10-stephen@networkplumber.org/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20240327164726.68732-10-stephen@networkplumber.org>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20240327164726.68732-10-stephen@networkplumber.org",
    "date": "2024-03-27T16:45:27",
    "name": "[v16,09/15] eal: initialize log before everything else",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "1b71602c4edddcf91cddd3109ff100ff04263eb3",
    "submitter": {
        "id": 27,
        "url": "http://patches.dpdk.org/api/people/27/?format=api",
        "name": "Stephen Hemminger",
        "email": "stephen@networkplumber.org"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20240327164726.68732-10-stephen@networkplumber.org/mbox/",
    "series": [
        {
            "id": 31630,
            "url": "http://patches.dpdk.org/api/series/31630/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31630",
            "date": "2024-03-27T16:45:18",
            "name": "Logging unification and improvements",
            "version": 16,
            "mbox": "http://patches.dpdk.org/series/31630/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/138865/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/138865/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Stephen Hemminger <stephen@networkplumber.org>",
        "To": "dev@dpdk.org",
        "Cc": "Stephen Hemminger <stephen@networkplumber.org>,\n Bruce Richardson <bruce.richardson@intel.com>,\n Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>,\n Tyler Retzlaff <roretzla@linux.microsoft.com>,\n Pallavi Kadam <pallavi.kadam@intel.com>",
        "Subject": "[PATCH v16 09/15] eal: initialize log before everything else",
        "Date": "Wed, 27 Mar 2024 09:45:27 -0700",
        "Message-ID": "<20240327164726.68732-10-stephen@networkplumber.org>",
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        "References": "<20200814173441.23086-1-stephen@networkplumber.org>\n <20240327164726.68732-1-stephen@networkplumber.org>",
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    },
    "content": "In order for all log messages (including CPU mismatch) to\ncome out through the logging library, it must be initialized\nas early in rte_eal_init() as possible on all platforms.\n\nWhere it was done before was likely historical based on\nthe support of non-OS isolated CPU's which required a shared\nmemory buffer; that support was dropped before DPDK was\npublicly released.\n\nSigned-off-by: Stephen Hemminger <stephen@networkplumber.org>\n---\n lib/eal/freebsd/eal.c  | 12 +++++++++---\n lib/eal/linux/eal.c    | 19 +++++++++----------\n lib/eal/windows/eal.c  |  8 ++++++--\n lib/log/log_freebsd.c  |  3 +--\n lib/log/log_internal.h |  2 +-\n lib/log/log_linux.c    | 14 ++++++--------\n lib/log/log_windows.c  |  4 +---\n 7 files changed, 33 insertions(+), 29 deletions(-)",
    "diff": "diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c\nindex 6552f9c138..55ff27a4da 100644\n--- a/lib/eal/freebsd/eal.c\n+++ b/lib/eal/freebsd/eal.c\n@@ -52,6 +52,7 @@\n #include \"eal_options.h\"\n #include \"eal_memcfg.h\"\n #include \"eal_trace.h\"\n+#include \"log_internal.h\"\n \n #define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL)\n \n@@ -546,6 +547,14 @@ rte_eal_init(int argc, char **argv)\n \tbool has_phys_addr;\n \tenum rte_iova_mode iova_mode;\n \n+\t/* setup log as early as possible */\n+\tif (eal_log_level_parse(argc, argv) < 0) {\n+\t\trte_eal_init_alert(\"invalid log arguments.\");\n+\t\trte_errno = EINVAL;\n+\t\treturn -1;\n+\t}\n+\teal_log_init(getprogname());\n+\n \t/* checks if the machine is adequate */\n \tif (!rte_cpu_is_supported()) {\n \t\trte_eal_init_alert(\"unsupported cpu type.\");\n@@ -565,9 +574,6 @@ rte_eal_init(int argc, char **argv)\n \t/* clone argv to report out later in telemetry */\n \teal_save_args(argc, argv);\n \n-\t/* set log level as early as possible */\n-\teal_log_level_parse(argc, argv);\n-\n \tif (rte_eal_cpu_init() < 0) {\n \t\trte_eal_init_alert(\"Cannot detect lcores.\");\n \t\trte_errno = ENOTSUP;\ndiff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c\nindex 3d0c34063e..b9a0fb1742 100644\n--- a/lib/eal/linux/eal.c\n+++ b/lib/eal/linux/eal.c\n@@ -936,6 +936,15 @@ rte_eal_init(int argc, char **argv)\n \tstruct internal_config *internal_conf =\n \t\teal_get_internal_configuration();\n \n+\t/* setup log as early as possible */\n+\tif (eal_log_level_parse(argc, argv) < 0) {\n+\t\trte_eal_init_alert(\"invalid log arguments.\");\n+\t\trte_errno = EINVAL;\n+\t\treturn -1;\n+\t}\n+\n+\teal_log_init(program_invocation_short_name);\n+\n \t/* checks if the machine is adequate */\n \tif (!rte_cpu_is_supported()) {\n \t\trte_eal_init_alert(\"unsupported cpu type.\");\n@@ -952,9 +961,6 @@ rte_eal_init(int argc, char **argv)\n \n \teal_reset_internal_config(internal_conf);\n \n-\t/* set log level as early as possible */\n-\teal_log_level_parse(argc, argv);\n-\n \t/* clone argv to report out later in telemetry */\n \teal_save_args(argc, argv);\n \n@@ -1106,13 +1112,6 @@ rte_eal_init(int argc, char **argv)\n #endif\n \t}\n \n-\tif (eal_log_init(program_invocation_short_name) < 0) {\n-\t\trte_eal_init_alert(\"Cannot init logging.\");\n-\t\trte_errno = ENOMEM;\n-\t\trte_atomic_store_explicit(&run_once, 0, rte_memory_order_relaxed);\n-\t\treturn -1;\n-\t}\n-\n #ifdef VFIO_PRESENT\n \tif (rte_eal_vfio_setup() < 0) {\n \t\trte_eal_init_alert(\"Cannot init VFIO\");\ndiff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c\nindex 14e498a643..e59aba954e 100644\n--- a/lib/eal/windows/eal.c\n+++ b/lib/eal/windows/eal.c\n@@ -250,9 +250,13 @@ rte_eal_init(int argc, char **argv)\n \tchar cpuset[RTE_CPU_AFFINITY_STR_LEN];\n \tchar thread_name[RTE_THREAD_NAME_SIZE];\n \n-\teal_log_init(NULL);\n+\tif (eal_log_level_parse(argc, argv) < 0) {\n+\t\trte_eal_init_alert(\"invalid log arguments.\");\n+\t\trte_errno = EINVAL;\n+\t\treturn -1;\n+\t}\n \n-\teal_log_level_parse(argc, argv);\n+\teal_log_init(NULL);\n \n \tif (eal_create_cpu_map() < 0) {\n \t\trte_eal_init_alert(\"Cannot discover CPU and NUMA.\");\ndiff --git a/lib/log/log_freebsd.c b/lib/log/log_freebsd.c\nindex 953e371bee..33a0925c43 100644\n--- a/lib/log/log_freebsd.c\n+++ b/lib/log/log_freebsd.c\n@@ -5,8 +5,7 @@\n #include <rte_common.h>\n #include \"log_internal.h\"\n \n-int\n+void\n eal_log_init(__rte_unused const char *id)\n {\n-\treturn 0;\n }\ndiff --git a/lib/log/log_internal.h b/lib/log/log_internal.h\nindex cb15cdff08..d5fabd7ef7 100644\n--- a/lib/log/log_internal.h\n+++ b/lib/log/log_internal.h\n@@ -14,7 +14,7 @@\n  * Initialize the default log stream.\n  */\n __rte_internal\n-int eal_log_init(const char *id);\n+void eal_log_init(const char *id);\n \n /*\n  * Determine where log data is written when no call to rte_openlog_stream.\ndiff --git a/lib/log/log_linux.c b/lib/log/log_linux.c\nindex 47aa074da2..6d7dc8f3ab 100644\n--- a/lib/log/log_linux.c\n+++ b/lib/log/log_linux.c\n@@ -87,18 +87,16 @@ static cookie_io_functions_t console_log_func = {\n  * set the log to default function, called during eal init process,\n  * once memzones are available.\n  */\n-int\n+void\n eal_log_init(const char *id)\n {\n \tFILE *log_stream;\n \n-\tlog_stream = fopencookie(NULL, \"w+\", console_log_func);\n-\tif (log_stream == NULL)\n-\t\treturn -1;\n-\n \topenlog(id, LOG_NDELAY | LOG_PID, log_facility);\n \n-\teal_log_set_default(log_stream);\n-\n-\treturn 0;\n+\tlog_stream = fopencookie(NULL, \"w+\", console_log_func);\n+\tif (log_stream != NULL)\n+\t\teal_log_set_default(log_stream);\n+\telse\n+\t\teal_log_set_default(stderr);\n }\ndiff --git a/lib/log/log_windows.c b/lib/log/log_windows.c\nindex a3a756351d..d7c30e4cfa 100644\n--- a/lib/log/log_windows.c\n+++ b/lib/log/log_windows.c\n@@ -13,12 +13,10 @@ eal_log_syslog(const char *name __rte_unused)\n }\n \n /* set the log to default function, called during eal init process. */\n-int\n+void\n eal_log_init(__rte_unused const char *id)\n {\n \trte_openlog_stream(stderr);\n \n \teal_log_set_default(stderr);\n-\n-\treturn 0;\n }\n",
    "prefixes": [
        "v16",
        "09/15"
    ]
}