From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 02B03A0579; Wed, 18 Mar 2020 20:04:27 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 086041C0CF; Wed, 18 Mar 2020 20:02:56 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 611A11C0BF for ; Wed, 18 Mar 2020 20:02:55 +0100 (CET) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02IJ1QIa019380; Wed, 18 Mar 2020 12:02:54 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=LREQrJK3isVRQwK7wUsphYQT32mPz00WDOrkQK5UFlE=; b=jemQPJysXqdj5jJl/xDTSwiola94HO8Zee4SVdW2pK+uqAM+lJjAl3yhPhgPVyzRUDHv vdlx62xoRlRNLq1+JxNCtp7iq1jiHdeH2qAoo+bQ99QWO3e5Wic6SXERaA8Iz2ljOSwQ jXR/BRj/9WJzZRL+BnHCZ6r+PAmrTj21Mdt5QM2eyoqcyTmd6cPLOn5taj220APZB++U 7o3OkW0fFFqOInEwsWScCAtd0D66skuBNHwR2/z6U98Z4JIZ/NaJDEHpaZXTOvKATVWo uUPco4sKhvNxcRvAqegXcG5BYBjDZFKPh5Y0GXhjACRWZaLjxMATjwjT9G5SUm5oXNN1 qA== Received: from sc-exch01.marvell.com ([199.233.58.181]) by mx0b-0016f401.pphosted.com with ESMTP id 2yu9rpbrtu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 18 Mar 2020 12:02:54 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 18 Mar 2020 12:02:52 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 18 Mar 2020 12:02:52 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id D24CC3F703F; Wed, 18 Mar 2020 12:02:50 -0700 (PDT) From: To: Jerin Jacob , Sunil Kumar Kori CC: , , , , Date: Thu, 19 Mar 2020 00:32:22 +0530 Message-ID: <20200318190241.3150971-14-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200318190241.3150971-1-jerinj@marvell.com> References: <20200318190241.3150971-1-jerinj@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-18_07:2020-03-18, 2020-03-18 signatures=0 Subject: [dpdk-dev] [PATCH v1 13/32] eal/trace: implement provider payload 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Jerin Jacob The trace function payloads such as rte_trace_ctf_* have dual functions. The first to emit the payload for the registration function and the second one to act as trace mem emitters aka provider payload. When it used as provider payload, those function copy the trace field to trace memory based on the tracing mode. Signed-off-by: Jerin Jacob Signed-off-by: Sunil Kumar Kori --- .../common/include/rte_trace_provider.h | 87 +++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/lib/librte_eal/common/include/rte_trace_provider.h b/lib/librte_eal/common/include/rte_trace_provider.h index 2257de85b..66e9d2456 100644 --- a/lib/librte_eal/common/include/rte_trace_provider.h +++ b/lib/librte_eal/common/include/rte_trace_provider.h @@ -9,6 +9,9 @@ #ifndef _RTE_TRACE_PROVIDER_H_ #define _RTE_TRACE_PROVIDER_H_ +#include +#include +#include #include #include #include @@ -40,4 +43,88 @@ struct __rte_trace_header { RTE_DECLARE_PER_LCORE(void *, trace_mem); +static __rte_always_inline void* +__rte_trace_mem_get(uint64_t in) +{ + struct __rte_trace_header *trace = RTE_PER_LCORE(trace_mem); + const uint16_t sz = in & __RTE_TRACE_FIELD_SIZE_MASK; + + /* Trace memory is not initialized for this thread */ + if (unlikely(trace == NULL)) { + __rte_trace_mem_per_thread_alloc(); + trace = RTE_PER_LCORE(trace_mem); + if (unlikely(trace == NULL)) + return NULL; + } + /* Check the wrap around case */ + uint32_t offset = trace->offset; + if (unlikely((offset + sz) >= trace->len)) { + /* Disable the trace event if it in DISCARD mode */ + if (unlikely(in & __RTE_TRACE_FIELD_ENABLE_DISCARD)) + return NULL; + + offset = 0; + } + /* Align to event header size */ + offset = RTE_ALIGN_CEIL(offset, __RTE_TRACE_EVENT_HEADER_SZ); + void *mem = RTE_PTR_ADD(&trace->mem[0], offset); + offset += sz; + trace->offset = offset; + + return mem; +} + +static __rte_always_inline void* +__rte_trace_emit_ev_header(void *mem, uint64_t in) +{ + uint64_t val; + + /* Event header [63:0] = id [63:48] | timestamp [47:0] */ + val = rte_get_tsc_cycles() & + ~(0xffffULL << __RTE_TRACE_EVENT_HEADER_ID_SHIFT); + val |= ((in & __RTE_TRACE_FIELD_ID_MASK) << + (__RTE_TRACE_EVENT_HEADER_ID_SHIFT - __RTE_TRACE_FIELD_ID_SHIFT)); + + *(uint64_t *)mem = val; + return RTE_PTR_ADD(mem, __RTE_TRACE_EVENT_HEADER_SZ); +} + +#define __rte_trace_emit_header_generic(t)\ + const uint64_t val = __atomic_load_n(t, __ATOMIC_ACQUIRE);\ + if (likely(!(val & __RTE_TRACE_FIELD_ENABLE_MASK)))\ + return;\ + void *mem = __rte_trace_mem_get(val);\ + if (unlikely(mem == NULL)) \ + return;\ + mem = __rte_trace_emit_ev_header(mem, val) + +#define __rte_trace_emit_header_dp(t)\ + if (!rte_trace_is_dp_enabled())\ + return;\ + __rte_trace_emit_header_generic(t); + +#define __rte_trace_emit_datatype(in)\ + memcpy(mem, &(in), sizeof(in));\ + mem = RTE_PTR_ADD(mem, sizeof(in)) + +#define rte_trace_ctf_u64(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_i64(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_u32(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_i32(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_u16(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_i16(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_u8(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_i8(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_int(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_long(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_float(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_ptr(in) __rte_trace_emit_datatype(in) +#define rte_trace_ctf_double(in) __rte_trace_emit_datatype(in) + +#define rte_trace_ctf_string(in)\ + if (unlikely(in == NULL))\ + return;\ + rte_strscpy(mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX);\ + mem = RTE_PTR_ADD(mem, __RTE_TRACE_EMIT_STRING_LEN_MAX) + #endif /* _RTE_TRACE_PROVIDER_H_ */ -- 2.25.1