import perftest-4.5-1.el8
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CentOS Sources
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.gitignore
vendored
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.gitignore
vendored
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SOURCES/perftest-4.4-0.32.g6fc89a9.tar.gz
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SOURCES/perftest-4.5-0.2.gddb0705.tar.gz
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@ -1 +1 @@
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11371a27413a0371e36fe6a27cacd5a72e27fc05 SOURCES/perftest-4.4-0.32.g6fc89a9.tar.gz
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5d918f18552c6321c5944d9eb57922c4ba6af994 SOURCES/perftest-4.5-0.2.gddb0705.tar.gz
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@ -1,131 +0,0 @@
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From 0eeba58a2a5273b5f9dd95d3e219a2d4ad003244 Mon Sep 17 00:00:00 2001
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From: Honggang Li <honli@redhat.com>
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Date: Mon, 11 Jan 2021 16:59:08 +0800
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Subject: [PATCH] Check PCIe relaxed ordering compliant
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Significantly performance degradation may be observed when PICe
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relaxed ordering enabled over CPU which is not PCIe RO compliant.
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Emit a warning message for such scenario.
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https://github.com/linux-rdma/perftest/issues/116
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Signed-off-by: Honggang Li <honli@redhat.com>
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---
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README | 3 ++-
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configure.ac | 3 +++
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perftest.spec | 1 +
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src/perftest_parameters.c | 37 +++++++++++++++++++++++++++++++++++++
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4 files changed, 43 insertions(+), 1 deletion(-)
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diff --git a/README b/README
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index 23f81cb..707d9df 100644
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--- a/README
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+++ b/README
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@@ -108,7 +108,8 @@ Prerequisites:
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(kernel module) matches libibverbs
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(kernel module) matches librdmacm
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(kernel module) matches libibumad
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- (kernel module) matches libmath (lm).
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+ (kernel module) matches libmath (lm)
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+ (linux kernel module) matches pciutils (lpci).
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Server: ./<test name> <options>
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diff --git a/configure.ac b/configure.ac
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index 0a1cc41..66ec909 100755
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--- a/configure.ac
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+++ b/configure.ac
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@@ -174,6 +174,8 @@ if [test $HAVE_SNIFFER = yes]; then
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fi
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if [test $IS_FREEBSD = no]; then
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+ AC_CHECK_HEADERS([pci/pci.h],,[AC_MSG_ERROR([pciutils header files not found])])
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+ AC_CHECK_LIB([pci], [pci_init], [LIBPCI=-lpci], AC_MSG_ERROR([libpci not found]))
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CPU_IS_RO_COMPLIANT=yes
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# Actually this is check for being affected by a known issue
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# with Intel CPUs:
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@@ -193,6 +195,7 @@ AC_TRY_LINK([
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AM_CONDITIONAL([HAVE_RO],[test "x$HAVE_RO" = "xyes"])
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if [test $HAVE_RO = yes] && [test "x$CPU_IS_RO_COMPLIANT" = "xyes"]; then
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AC_DEFINE([HAVE_RO], [1], [Enable Relaxed Ordering])
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+ LIBS=$LIBS" -lpci"
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fi
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AC_TRY_LINK([#include <infiniband/verbs.h>],
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diff --git a/perftest.spec b/perftest.spec
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index 630b00b..b0b50da 100644
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--- a/perftest.spec
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+++ b/perftest.spec
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@@ -8,6 +8,7 @@ Source: http://www.openfabrics.org/downloads/%{name}-%{version}.tar.gz
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Url: http://www.openfabrics.org
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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BuildRequires: libibverbs-devel librdmacm-devel libibumad-devel
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+BuildRequires: pciutils-devel
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%description
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gen3 uverbs microbenchmarks
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diff --git a/src/perftest_parameters.c b/src/perftest_parameters.c
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index 185d7e3..77fe835 100755
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--- a/src/perftest_parameters.c
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+++ b/src/perftest_parameters.c
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@@ -11,6 +11,10 @@
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#include "perftest_parameters.h"
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#include "raw_ethernet_resources.h"
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#include<math.h>
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+#ifdef HAVE_RO
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+#include <stdbool.h>
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+#include <pci/pci.h>
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+#endif
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#define MAC_LEN (17)
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#define ETHERTYPE_LEN (6)
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#define MAC_ARR_LEN (6)
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@@ -163,6 +167,34 @@ static int get_cache_line_size()
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return size;
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}
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+#ifdef HAVE_RO
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+/******************************************************************************
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+ Check PCIe Relaxed Ordering
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+
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+ Stolen from https://github.com/pciutils/pciutils/blob/master/example.c
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+ ******************************************************************************/
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+static bool check_pcie_relaxed_ordering_compliant(void) {
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+ struct pci_access *pacc;
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+ struct pci_dev *dev;
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+ bool cpu_is_RO_compliant = true;
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+
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+ pacc = pci_alloc();
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+ pci_init(pacc);
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+ pci_scan_bus(pacc);
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+ for (dev = pacc->devices; dev && cpu_is_RO_compliant;
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+ dev = dev->next) {
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+ pci_fill_info(dev,
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+ PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_CLASS);
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+ /* https://lore.kernel.org/patchwork/patch/820922/ */
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+ if ((dev->vendor_id == 0x8086) &&
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+ (((dev->device_id >= 0x6f01 && dev->device_id <= 0x6f0e) ||
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+ (dev->device_id >= 0x2f01 && dev->device_id <= 0x2f01))))
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+ cpu_is_RO_compliant = false;
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+ }
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+ pci_cleanup(pacc);
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+ return cpu_is_RO_compliant;
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+}
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+#endif
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/******************************************************************************
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*
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******************************************************************************/
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@@ -2873,6 +2905,11 @@ void ctx_print_test_info(struct perftest_parameters *user_param)
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printf(" Connection type : %s\t\tUsing SRQ : %s\n", connStr[user_param->connection_type], user_param->use_srq ? "ON" : "OFF");
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#ifdef HAVE_RO
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printf(" PCIe relax order: %s\n", user_param->disable_pcir ? "OFF" : "ON");
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+ if ((check_pcie_relaxed_ordering_compliant() == false) &&
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+ (user_param->disable_pcir == 0)) {
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+ printf(" WARNING: CPU is not PCIe relaxed ordering compliant.\n");
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+ printf(" WARNING: You should disable PCIe RO with `--disable_pcie_relaxed` for both server and clinet.\n");
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+ }
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#else
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printf(" PCIe relax order: %s\n", "Unsupported");
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#endif
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--
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2.29.2
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@ -1,13 +1,12 @@
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Name: perftest
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Summary: IB Performance Tests
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Version: 4.4
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%define minor_release 0.32
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%define git_hash g6fc89a9
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Release: 8%{?dist}
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Version: 4.5
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%define minor_release 0.2
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%define git_hash gddb0705
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Release: 1%{?dist}
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License: GPLv2 or BSD
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Source0: https://github.com/linux-rdma/perftest/releases/download/V%{version}-%{minor_release}/perftest-%{version}-%{minor_release}.%{git_hash}.tar.gz
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Source1: ib_atomic_bw.1
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Patch1: 0001-Check-PCIe-relaxed-ordering-compliant.patch
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Url: https://github.com/linux-rdma/perftest
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BuildRequires: libibverbs-devel > 1.1.4, librdmacm-devel > 1.0.14
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BuildRequires: libibumad-devel > 1.3.6
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@ -23,7 +22,6 @@ RDMA networks.
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%prep
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%setup -q
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%patch1 -p1
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autoreconf --force --install
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%build
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@ -52,6 +50,10 @@ popd
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%license COPYING
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%changelog
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* Thu May 13 2021 Honggang Li <honli@redhat.com> - 4.5-1
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- Rebase to upstream release perftest-4.5-0.2
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- Resolves: rhbz#1960074
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* Sat Jan 30 2021 Honggang Li <honli@redhat.com> - 4.4-8
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- Check PCIe relaxed ordering compliant
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- Resolves: rhbz#1902855
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