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 B3666A0562; Sun, 29 Mar 2020 16:47:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CDD1C1C0B6; Sun, 29 Mar 2020 16:44:29 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 3C7FE1C137 for ; Sun, 29 Mar 2020 16:44:29 +0200 (CEST) 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 02TEdnC6012824; Sun, 29 Mar 2020 07:44:28 -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=AUqK9SSjOJ8gWybzh8Us5Mv0zynmEHlEqkOgWzO1PF8=; b=Xqzq5zK5lPqwOKMlBLzrRV0wpZekzFkN4YQghgK0Jen8RVJkaXsAaOvdDqdTDdz49erF zBmf0/Lr2E1Gjpy3pdJa2pDm1HZuMapW+Hn3sZ1/Hr0+U+u/HhzJryZNMNHTOadiMI/g EuuXKVvF73HrvSimm2rXNpQlUYAPRZMFICqik0yQpCHpy5vKgTT3F3d09P01ptC2rhTk F1i4y0L7v4HLLPWNqd3xvsudyN6TLowln8BGeLdYr1a3Gi7KH0rg+y+O4y0vKl9SIaYs pxcqse0PZmQznus24cGaX6lPAzhhJSAO7e7hl2XSCn5LUmlufH0rYWbyVoGZgEOSTMDp 3w== Received: from sc-exch01.marvell.com ([199.233.58.181]) by mx0b-0016f401.pphosted.com with ESMTP id 30263kb5jc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 29 Mar 2020 07:44:28 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 29 Mar 2020 07:44:23 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 29 Mar 2020 07:44:23 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id 93FB33F703F; Sun, 29 Mar 2020 07:44:21 -0700 (PDT) From: To: Jerin Jacob , Sunil Kumar Kori CC: , , , , Date: Sun, 29 Mar 2020 20:13:23 +0530 Message-ID: <20200329144342.1543749-15-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200329144342.1543749-1-jerinj@marvell.com> References: <20200325211603.240288-1-jerinj@marvell.com> <20200329144342.1543749-1-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=2020-03-29_05:2020-03-27, 2020-03-29 signatures=0 Subject: [dpdk-dev] [PATCH v3 14/33] 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 | 94 +++++++++++++++++++ 1 file changed, 94 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..d3d7a922b 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 +43,95 @@ 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)\ +void *mem;\ +do {\ + const uint64_t val = __atomic_load_n(t, __ATOMIC_ACQUIRE);\ + if (likely(!(val & __RTE_TRACE_FIELD_ENABLE_MASK)))\ + return;\ + mem = __rte_trace_mem_get(val);\ + if (unlikely(mem == NULL)) \ + return;\ + mem = __rte_trace_emit_ev_header(mem, val);\ +} while (0) + +#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)\ +do {\ + memcpy(mem, &(in), sizeof(in));\ + mem = RTE_PTR_ADD(mem, sizeof(in));\ +} while (0) + +#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)\ +do {\ + 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);\ +} while (0) + #endif /* _RTE_TRACE_PROVIDER_H_ */ -- 2.25.1