From patchwork Tue Apr 30 22:32:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Christensen X-Patchwork-Id: 53174 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B96285323; Wed, 1 May 2019 00:32:32 +0200 (CEST) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by dpdk.org (Postfix) with ESMTP id AE9D54F9C for ; Wed, 1 May 2019 00:32:30 +0200 (CEST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3UMQtP4061265 for ; Tue, 30 Apr 2019 18:32:29 -0400 Received: from e17.ny.us.ibm.com (e17.ny.us.ibm.com [129.33.205.207]) by mx0a-001b2d01.pphosted.com with ESMTP id 2s6xh51mgs-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Apr 2019 18:32:29 -0400 Received: from localhost by e17.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 30 Apr 2019 23:32:26 +0100 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3UMWPpo37421312 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Apr 2019 22:32:25 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CDA87124052; Tue, 30 Apr 2019 22:32:25 +0000 (GMT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 941B5124053; Tue, 30 Apr 2019 22:32:25 +0000 (GMT) Received: from oprom9.localdomain (unknown [9.40.204.34]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 30 Apr 2019 22:32:25 +0000 (GMT) From: David Christensen To: dev@dpdk.org Cc: David Christensen Date: Tue, 30 Apr 2019 17:32:03 -0500 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19043022-0040-0000-0000-000004E955FD X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011025; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01196744; UDB=6.00627628; IPR=6.00977594; MB=3.00026674; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-30 22:32:28 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19043022-0041-0000-0000-000008F55989 Message-Id: <1556663523-39493-1-git-send-email-drc@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-30_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=550 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904300132 Subject: [dpdk-dev] [PATCH 1/4] test: fix typo in print statement 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" Change "much" to "match" in a printf. Signed-off-by: David Christensen --- app/test/test_barrier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_barrier.c b/app/test/test_barrier.c index 82b572c..c219d56 100644 --- a/app/test/test_barrier.c +++ b/app/test/test_barrier.c @@ -252,7 +252,7 @@ struct lcore_plock_test { /* race condition occurred, lock doesn't work properly */ if (sum[i] != pt[i].val || 2 * iter != pt[i].iter) { - printf("error: local and shared sums don't much\n"); + printf("error: local and shared sums don't match\n"); rc = -1; } } From patchwork Tue Apr 30 22:32:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Christensen X-Patchwork-Id: 53175 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9EEBE5699; Wed, 1 May 2019 00:32:54 +0200 (CEST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id 478CA532C for ; Wed, 1 May 2019 00:32:53 +0200 (CEST) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3UMQw80042879 for ; Tue, 30 Apr 2019 18:32:52 -0400 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0a-001b2d01.pphosted.com with ESMTP id 2s6xhhseyd-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Apr 2019 18:32:52 -0400 Received: from localhost by e13.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 30 Apr 2019 23:32:49 +0100 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3UMWmp530146644 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Apr 2019 22:32:48 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 82CC4B2064; Tue, 30 Apr 2019 22:32:48 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4A1E2B2068; Tue, 30 Apr 2019 22:32:48 +0000 (GMT) Received: from oprom9.localdomain (unknown [9.40.204.34]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 30 Apr 2019 22:32:48 +0000 (GMT) From: David Christensen To: dev@dpdk.org Cc: David Christensen Date: Tue, 30 Apr 2019 17:32:44 -0500 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19043022-0064-0000-0000-000003D4C39D X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011025; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01196744; UDB=6.00627628; IPR=6.00977594; MB=3.00026674; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-30 22:32:50 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19043022-0065-0000-0000-00003D45F636 Message-Id: <1556663564-39653-1-git-send-email-drc@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-30_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=671 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904300132 Subject: [dpdk-dev] [PATCH 2/4] test: verify calloc succeeded for sum variable 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" Code tested calloc failures for pt & lpt variables but not for the sum variable. Add a test for calloc failure of sum. Signed-off-by: David Christensen --- app/test/test_barrier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_barrier.c b/app/test/test_barrier.c index c219d56..ae37b1e 100644 --- a/app/test/test_barrier.c +++ b/app/test/test_barrier.c @@ -202,7 +202,7 @@ struct lcore_plock_test { printf("%s(iter=%u, utype=%u) started on %u lcores\n", __func__, iter, utype, n); - if (pt == NULL || lpt == NULL) { + if (pt == NULL || lpt == NULL || sum == NULL) { printf("%s: failed to allocate memory for %u lcores\n", __func__, n); free(pt); From patchwork Tue Apr 30 22:33:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Christensen X-Patchwork-Id: 53176 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2D15A532C; Wed, 1 May 2019 00:33:18 +0200 (CEST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id 2DB255323 for ; Wed, 1 May 2019 00:33:16 +0200 (CEST) Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3UMQrJE079119 for ; Tue, 30 Apr 2019 18:33:15 -0400 Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 2s6xh69kuc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Apr 2019 18:33:15 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x3UGWDPA013068 for ; Tue, 30 Apr 2019 16:37:08 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma01dal.us.ibm.com with ESMTP id 2s4eq3ta8x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Apr 2019 16:37:08 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3UMXDhB36044862 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Apr 2019 22:33:13 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5D660AE05C; Tue, 30 Apr 2019 22:33:13 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2BA10AE062; Tue, 30 Apr 2019 22:33:13 +0000 (GMT) Received: from oprom9.localdomain (unknown [9.40.204.34]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 30 Apr 2019 22:33:13 +0000 (GMT) From: David Christensen To: dev@dpdk.org Cc: David Christensen Date: Tue, 30 Apr 2019 17:33:09 -0500 Message-Id: <1556663589-39798-1-git-send-email-drc@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-30_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904300132 Subject: [dpdk-dev] [PATCH 3/4] test: change memory barrier vriables to uint64_t 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" Memory barrier failures can be intermittent. Increase the size of the sum/val/iteration variables to allow tests that can run for days so that sporadic errors can be identified. Signed-off-by: David Christensen --- app/test/test_barrier.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/app/test/test_barrier.c b/app/test/test_barrier.c index ae37b1e..58a3280 100644 --- a/app/test/test_barrier.c +++ b/app/test/test_barrier.c @@ -36,7 +36,7 @@ #include "test.h" #define ADD_MAX 8 -#define ITER_MAX 0x1000000 +#define ITER_MAX 0x100000000 enum plock_use_type { USE_MB, @@ -55,8 +55,8 @@ struct plock { */ struct plock_test { struct plock lock; - uint32_t val; - uint32_t iter; + uint64_t val; + uint64_t iter; }; /* @@ -65,8 +65,8 @@ struct plock_test { */ struct lcore_plock_test { struct plock_test *pt[2]; /* shared, lock-protected data */ - uint32_t sum[2]; /* local copy of the shared data */ - uint32_t iter; /* number of iterations to perfom */ + uint64_t sum[2]; /* local copy of the shared data */ + uint64_t iter; /* number of iterations to perfom */ uint32_t lc; /* given lcore id */ }; @@ -130,7 +130,8 @@ struct lcore_plock_test { plock_test1_lcore(void *data) { uint64_t tm; - uint32_t i, lc, ln, n; + uint32_t lc, ln; + uint64_t i, n; struct lcore_plock_test *lpt; lpt = data; @@ -166,9 +167,9 @@ struct lcore_plock_test { tm = rte_get_timer_cycles() - tm; - printf("%s(%u): %u iterations finished, in %" PRIu64 + printf("%s(%u): %lu iterations finished, in %" PRIu64 " cycles, %#Lf cycles/iteration, " - "local sum={%u, %u}\n", + "local sum={%lu, %lu}\n", __func__, lc, i, tm, (long double)tm / i, lpt->sum[0], lpt->sum[1]); return 0; @@ -184,11 +185,11 @@ struct lcore_plock_test { * and local data are the same. */ static int -plock_test(uint32_t iter, enum plock_use_type utype) +plock_test(uint64_t iter, enum plock_use_type utype) { int32_t rc; uint32_t i, lc, n; - uint32_t *sum; + uint64_t *sum; struct plock_test *pt; struct lcore_plock_test *lpt; @@ -199,7 +200,7 @@ struct lcore_plock_test { lpt = calloc(n, sizeof(*lpt)); sum = calloc(n + 1, sizeof(*sum)); - printf("%s(iter=%u, utype=%u) started on %u lcores\n", + printf("%s(iter=%lu, utype=%u) started on %u lcores\n", __func__, iter, utype, n); if (pt == NULL || lpt == NULL || sum == NULL) { @@ -247,7 +248,7 @@ struct lcore_plock_test { rc = 0; for (i = 0; i != n; i++) { - printf("%s: sum[%u]=%u, pt[%u].val=%u, pt[%u].iter=%u;\n", + printf("%s: sum[%u]=%lu, pt[%u].val=%lu, pt[%u].iter=%lu;\n", __func__, i, sum[i], i, pt[i].val, i, pt[i].iter); /* race condition occurred, lock doesn't work properly */ From patchwork Tue Apr 30 22:33:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Christensen X-Patchwork-Id: 53177 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C482758F6; Wed, 1 May 2019 00:33:31 +0200 (CEST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id E29EF58EC for ; Wed, 1 May 2019 00:33:30 +0200 (CEST) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3UMQsZ9034951 for ; Tue, 30 Apr 2019 18:33:30 -0400 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2s6xh59p8x-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Apr 2019 18:33:29 -0400 Received: from localhost by e11.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 30 Apr 2019 23:33:27 +0100 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3UMXQ4k35848314 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Apr 2019 22:33:26 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5B47DAC05F; Tue, 30 Apr 2019 22:33:26 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1CACEAC059; Tue, 30 Apr 2019 22:33:26 +0000 (GMT) Received: from oprom9.localdomain (unknown [9.40.204.34]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 30 Apr 2019 22:33:25 +0000 (GMT) From: David Christensen To: dev@dpdk.org Cc: David Christensen Date: Tue, 30 Apr 2019 17:33:23 -0500 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 19043022-2213-0000-0000-00000384890F X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011025; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000285; SDB=6.01196744; UDB=6.00627628; IPR=6.00977594; MB=3.00026674; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-30 22:33:28 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19043022-2214-0000-0000-00005E3D5C6D Message-Id: <1556663603-39934-1-git-send-email-drc@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-30_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=789 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904300132 Subject: [dpdk-dev] [PATCH 4/4] test: fix memory barrier test failure on power CPUs 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" The memory barrier test fails on IBM Power 9 systems. Add additional barriers to accommodate the weakly ordered model used on Power CPUs. Signed-off-by: David Christensen --- app/test/test_barrier.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/app/test/test_barrier.c b/app/test/test_barrier.c index 58a3280..6136ee1 100644 --- a/app/test/test_barrier.c +++ b/app/test/test_barrier.c @@ -36,7 +36,7 @@ #include "test.h" #define ADD_MAX 8 -#define ITER_MAX 0x100000000 +#define ITER_MAX 0x1000000 enum plock_use_type { USE_MB, @@ -92,12 +92,19 @@ struct lcore_plock_test { other = self ^ 1; l->flag[self] = 1; +#ifdef RTE_ARCH_PPC_64 + rte_smp_wmb(); +#endif l->victim = self; store_load_barrier(l->utype); while (l->flag[other] == 1 && l->victim == self) rte_pause(); + +#ifdef RTE_ARCH_PPC_64 + rte_smp_rmb(); +#endif } static void