From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id E37041B625 for ; Wed, 4 Oct 2017 12:54:31 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2017 03:54:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,477,1500966000"; d="scan'208";a="1226897090" Received: from silpixa00398672.ir.intel.com ([10.237.223.128]) by fmsmga002.fm.intel.com with ESMTP; 04 Oct 2017 03:54:29 -0700 From: Harry van Haaren To: dev@dpdk.org Cc: Harry van Haaren Date: Wed, 4 Oct 2017 11:54:50 +0100 Message-Id: <1507114491-144338-3-git-send-email-harry.van.haaren@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507114491-144338-1-git-send-email-harry.van.haaren@intel.com> References: <1507114491-144338-1-git-send-email-harry.van.haaren@intel.com> Subject: [dpdk-dev] [PATCH 2/3] service: add reset all attributes for service X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Oct 2017 10:54:32 -0000 This commit introduces a new API, allowing the application to reset attributes of a service like the cycle count. Given this functionality is now exposed to the user, remove the resetting of stats during a dump() call. Signed-off-by: Harry van Haaren --- lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 + lib/librte_eal/common/include/rte_service.h | 10 ++++++++++ lib/librte_eal/common/rte_service.c | 24 ++++++++++++++++++------ lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 + test/test/test_service_cores.c | 11 +++++++++++ 5 files changed, 41 insertions(+), 6 deletions(-) diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map index 8c9c5f6..e654283 100644 --- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map +++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map @@ -213,6 +213,7 @@ EXPERIMENTAL { rte_eal_hotplug_add; rte_eal_hotplug_remove; rte_service_attr_get; + rte_service_attr_reset_all; rte_service_component_register; rte_service_component_unregister; rte_service_component_runstate_set; diff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h index 9267a0e..bf7b50b 100644 --- a/lib/librte_eal/common/include/rte_service.h +++ b/lib/librte_eal/common/include/rte_service.h @@ -377,6 +377,16 @@ int32_t rte_service_dump(FILE *f, uint32_t id); int32_t rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value); +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Reset all attributes of a service. + * @retval 0 Successfully reset attributes + * -EINVAL Invalid service id provided + */ +int32_t rte_service_attr_reset_all(uint32_t id); + #ifdef __cplusplus } #endif diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c index 4935804..3f274f4 100644 --- a/lib/librte_eal/common/rte_service.c +++ b/lib/librte_eal/common/rte_service.c @@ -674,15 +674,27 @@ rte_service_dump_one(FILE *f, struct rte_service_spec_impl *s, if (s->calls != 0) calls = s->calls; + if (reset) { + s->cycles_spent = 0; + s->calls = 0; + return; + } + fprintf(f, " %s: stats %d\tcalls %"PRIu64"\tcycles %" PRIu64"\tavg: %"PRIu64"\n", s->spec.name, service_stats_enabled(s), s->calls, s->cycles_spent, s->cycles_spent / calls); +} - if (reset) { - s->cycles_spent = 0; - s->calls = 0; - } +int32_t +rte_service_attr_reset_all(uint32_t id) +{ + struct rte_service_spec_impl *s; + SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL); + + int reset = 1; + rte_service_dump_one(NULL, s, 0, reset); + return 0; } static void @@ -730,7 +742,7 @@ int32_t rte_service_dump(FILE *f, uint32_t id) for (i = 0; i < RTE_SERVICE_NUM_MAX; i++) { if (!service_valid(i)) continue; - uint32_t reset = 1; + uint32_t reset = 0; rte_service_dump_one(f, &rte_services[i], total_cycles, reset); } @@ -739,7 +751,7 @@ int32_t rte_service_dump(FILE *f, uint32_t id) if (lcore_config[i].core_role != ROLE_SERVICE) continue; - uint32_t reset = 1; + uint32_t reset = 0; service_dump_calls_per_lcore(f, i, reset); } diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map index c2fad10..e5a0f04 100644 --- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map +++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map @@ -218,6 +218,7 @@ EXPERIMENTAL { rte_eal_hotplug_add; rte_eal_hotplug_remove; rte_service_attr_get; + rte_service_attr_reset_all; rte_service_component_register; rte_service_component_unregister; rte_service_component_runstate_set; diff --git a/test/test/test_service_cores.c b/test/test/test_service_cores.c index 7d2e42d..dd3bf75 100644 --- a/test/test/test_service_cores.c +++ b/test/test/test_service_cores.c @@ -270,6 +270,9 @@ service_name(void) static int service_attr_get(void) { + /* ensure all services unregistered so cycle counts are zero */ + unregister_all(); + struct rte_service_spec service; memset(&service, 0, sizeof(struct rte_service_spec)); service.callback = dummy_cb; @@ -323,6 +326,14 @@ service_attr_get(void) rte_service_lcore_stop(slcore_id); + TEST_ASSERT_EQUAL(0, rte_service_attr_reset_all(id), + "Valid attr_reset_all() return success"); + + TEST_ASSERT_EQUAL(0, rte_service_attr_get(id, attr_id, &attr_value), + "Valid attr_get() call didn't return success"); + TEST_ASSERT_EQUAL(0, attr_value, + "attr_get() call didn't set correct cycles (zero)"); + return unregister_all(); } -- 2.7.4