From: yasufum.o@gmail.com To: anatoly.burakov@intel.com, david.marchand@redhat.com Cc: dev@dpdk.org, stable@dpdk.org, yasufum.o@gmail.com, Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp> Subject: [dpdk-dev] [PATCH v5 1/1] fbarray: fix duplicated fbarray file in secondary Date: Mon, 28 Oct 2019 17:07:45 +0900 Message-ID: <20191028080745.43425-2-yasufum.o@gmail.com> (raw) In-Reply-To: <20191028080745.43425-1-yasufum.o@gmail.com> From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp> In secondary_msl_create_walk(), it creates a file for fbarrays with its PID for reserving unique name among secondary processes. However, it does not work if several secondaries run as app containers because each of containerized secondary has PID 1, and failed to reserve unique name other than first one. To reserve unique name in each of containers, use hostname instead of PID only if PID is 1. Cc: stable@dpdk.org Signed-off-by: Yasufumi Ogawa <yasufum.o@gmail.com> --- lib/librte_eal/linux/eal/eal_memalloc.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/linux/eal/eal_memalloc.c b/lib/librte_eal/linux/eal/eal_memalloc.c index af6d0d023..699079791 100644 --- a/lib/librte_eal/linux/eal/eal_memalloc.c +++ b/lib/librte_eal/linux/eal/eal_memalloc.c @@ -1365,6 +1365,7 @@ secondary_msl_create_walk(const struct rte_memseg_list *msl, struct rte_memseg_list *primary_msl, *local_msl; char name[PATH_MAX]; int msl_idx, ret; + char proc_id[HOST_NAME_MAX] = { 0 }; if (msl->external) return 0; @@ -1374,8 +1375,18 @@ secondary_msl_create_walk(const struct rte_memseg_list *msl, local_msl = &local_memsegs[msl_idx]; /* create distinct fbarrays for each secondary */ - snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%i", - primary_msl->memseg_arr.name, getpid()); + /* If run secondary in a container, the name of fbarray file should + * not be decided with pid because getpid() always returns 1. + * In docker, hostname is assigned as a short form of full container + * ID. So use hostname as unique ID among containers instead. + */ + if (getpid() == 1) + gethostname(proc_id, HOST_NAME_MAX); + else + sprintf(proc_id, "%d", (int)getpid()); + + snprintf(name, RTE_FBARRAY_NAME_LEN, "%s_%s", + primary_msl->memseg_arr.name, proc_id); ret = rte_fbarray_init(&local_msl->memseg_arr, name, primary_msl->memseg_arr.len, -- 2.17.1
next prev parent reply index Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-16 1:59 [dpdk-dev] [PATCH] fbarray: get fbarrays from containerized secondary ogawa.yasufumi 2019-04-16 3:43 ` [dpdk-dev] [PATCH v2 0/1] Get " ogawa.yasufumi 2019-04-16 3:43 ` [dpdk-dev] [PATCH v2 1/1] fbarray: get " ogawa.yasufumi 2019-07-04 20:17 ` Thomas Monjalon 2019-07-05 8:53 ` Burakov, Anatoly 2019-07-09 10:22 ` Yasufumi Ogawa 2019-07-09 10:24 ` Burakov, Anatoly 2019-07-09 10:26 ` Burakov, Anatoly 2019-07-11 9:37 ` Yasufumi Ogawa 2019-07-11 9:43 ` Burakov, Anatoly 2019-07-11 10:31 ` [dpdk-dev] [PATCH v3 0/1] " yasufum.o 2019-07-11 10:31 ` [dpdk-dev] [PATCH v3 1/1] " yasufum.o 2019-07-11 10:53 ` Burakov, Anatoly 2019-07-11 11:57 ` Yasufumi Ogawa 2019-07-11 13:14 ` Burakov, Anatoly 2019-07-12 2:22 ` Yasufumi Ogawa 2019-07-22 1:06 ` Ogawa Yasufumi 2019-07-22 9:33 ` Burakov, Anatoly 2019-07-22 9:25 ` Burakov, Anatoly 2019-07-24 8:20 ` [dpdk-dev] [PATCH v4 0/1] " yasufum.o 2019-07-24 8:20 ` [dpdk-dev] [PATCH v4 1/1] " yasufum.o 2019-07-24 9:59 ` Burakov, Anatoly 2019-07-30 8:16 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon 2019-07-30 9:18 ` Burakov, Anatoly 2019-07-31 5:48 ` Yasufumi Ogawa 2019-10-11 9:36 ` [dpdk-dev] " David Marchand 2019-10-25 15:36 ` David Marchand 2019-10-25 19:54 ` Yasufumi Ogawa 2019-10-26 16:15 ` David Marchand 2019-10-26 18:11 ` Yasufumi Ogawa 2019-10-28 8:07 ` [dpdk-dev] [PATCH v5 0/1] fbarray: fix duplicated fbarray file in secondary yasufum.o 2019-10-28 8:07 ` yasufum.o [this message] 2019-10-29 12:03 ` [dpdk-dev] [PATCH v5 1/1] " Ananyev, Konstantin 2019-10-30 13:42 ` Yasufumi Ogawa 2019-10-30 19:00 ` Ananyev, Konstantin 2019-10-31 10:03 ` Yasufumi Ogawa 2019-10-31 10:32 ` Ananyev, Konstantin 2019-11-01 9:04 ` [dpdk-dev] [PATCH v6 0/1] " yasufum.o 2019-11-01 9:04 ` [dpdk-dev] [PATCH v6 1/1] " yasufum.o 2019-11-01 12:01 ` Ananyev, Konstantin 2019-11-04 10:20 ` Burakov, Anatoly 2019-11-05 10:13 ` David Marchand 2019-11-05 11:31 ` Burakov, Anatoly 2019-11-05 11:41 ` Ananyev, Konstantin 2019-11-06 10:37 ` Burakov, Anatoly 2019-11-08 3:19 ` Yasufumi Ogawa 2019-11-13 21:43 ` [dpdk-dev] [PATCH v7 0/1] " yasufum.o 2019-11-13 21:43 ` [dpdk-dev] [PATCH v7 1/1] " yasufum.o 2019-11-14 10:01 ` Burakov, Anatoly 2019-11-14 11:42 ` Yasufumi Ogawa 2019-11-14 12:27 ` David Marchand 2019-11-26 19:40 ` Yasufumi Ogawa 2019-11-27 10:26 ` Burakov, Anatoly 2019-11-29 5:44 ` Yasufumi Ogawa 2019-12-02 10:43 ` Burakov, Anatoly 2019-12-05 20:13 ` Yasufumi Ogawa 2019-11-14 12:55 ` David Marchand 2019-11-14 17:32 ` Ananyev, Konstantin 2019-11-27 8:48 ` [dpdk-dev] [PATCH v8 0/1] " Yasufumi Ogawa 2019-11-27 8:48 ` [dpdk-dev] [PATCH v8 1/1] " Yasufumi Ogawa 2019-12-06 10:44 ` Burakov, Anatoly 2019-12-06 13:18 ` Yasufumi Ogawa 2020-02-14 7:46 ` Yasufumi Ogawa 2020-02-14 15:08 ` David Marchand 2020-02-14 15:29 ` Thomas Monjalon 2020-02-17 12:54 ` Yasufumi Ogawa
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