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From 4dfdd96a6b4bd019210c9a44de42369aae772b98 Mon Sep 17 00:00:00 2001
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Message-Id: <4dfdd96a6b4bd019210c9a44de42369aae772b98.1566225007.git.aquini@redhat.com>
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In-Reply-To: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
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References: <d42f467a923dfc09309acb7a83b42e3285fbd8f4.1566225007.git.aquini@redhat.com>
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From: Sandipan Das <sandipan@linux.ibm.com>
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Date: Wed, 12 Jun 2019 12:34:33 +0530
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Subject: [RHEL7 PATCH 16/31] elflink: tests: Run tests only for default huge
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page size
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The elflink tests (linkhuge, linkhuge-nofd, linkhuge-rw and
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linkshare) are usually linked in a way that ensures that the
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ELF segment boundaries are aligned to the kernel's default
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huge page size. Hence, run these tests only for the kernel's
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default huge page size as the program segments will not be
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remapped otherwise.
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Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
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Signed-off-by: Eric B Munson <emunson@mgebm.net>
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Signed-off-by: Rafael Aquini <aquini@redhat.com>
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---
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tests/run_tests.py | 41 ++++++++++++++++++++++++++---------------
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1 file changed, 26 insertions(+), 15 deletions(-)
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diff --git a/tests/run_tests.py b/tests/run_tests.py
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index 70c5a6a..94000ea 100755
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--- a/tests/run_tests.py
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+++ b/tests/run_tests.py
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@@ -376,10 +376,11 @@ def do_elflink_test(cmd, **env):
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"""
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Run an elflink test case, skipping known-bad configurations.
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"""
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- for p in pagesizes:
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- for b in wordsizes_by_pagesize[p]:
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- if b in linkhuge_wordsizes: run_test(p, b, cmd, **env)
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- else: skip_test(p, b, cmd, **env)
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+ for b in wordsizes_by_pagesize[system_default_hpage_size]:
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+ if b in linkhuge_wordsizes:
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+ run_test(system_default_hpage_size, b, cmd, **env)
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+ else:
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+ skip_test(system_default_hpage_size, b, cmd, **env)
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def elflink_test(cmd, **env):
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"""
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@@ -388,9 +389,10 @@ def elflink_test(cmd, **env):
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Test various combinations of: preloading libhugetlbfs, B vs. BDT link
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modes, minimal copying on or off, and disabling segment remapping.
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"""
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- do_test(cmd, **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd, **env)
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# Test we don't blow up if not linked for hugepage
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- do_test(cmd, LD_PRELOAD="libhugetlbfs.so", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ LD_PRELOAD="libhugetlbfs.so", **env)
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# Only run custom ldscript tests when -l option is set
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if not custom_ldscripts:
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@@ -412,16 +414,23 @@ def elflink_rw_test(cmd, **env):
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Test various combinations of: remapping modes and minimal copy on or off.
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"""
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# Basic tests: None, Read-only, Write-only, Read-Write, exlicit disable
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- do_test(cmd, **env)
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- do_test(cmd, HUGETLB_ELFMAP="R", **env)
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- do_test(cmd, HUGETLB_ELFMAP="W", **env)
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- do_test(cmd, HUGETLB_ELFMAP="RW", **env)
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- do_test(cmd, HUGETLB_ELFMAP="no", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd, **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_ELFMAP="R", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_ELFMAP="W", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_ELFMAP="RW", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_ELFMAP="no", **env)
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# Test we don't blow up if HUGETLB_MINIMAL_COPY is disabled
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- do_test(cmd, HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="R", **env)
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- do_test(cmd, HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="W", **env)
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- do_test(cmd, HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="RW", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="R", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="W", **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_MINIMAL_COPY="no", HUGETLB_ELFMAP="RW", **env)
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def elfshare_test(cmd, **env):
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"""
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@@ -458,7 +467,9 @@ def elflink_rw_and_share_test(cmd, **env):
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clear_hpages()
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for mode in ("R", "W", "RW"):
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for i in range(2):
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- do_test(cmd, HUGETLB_ELFMAP=mode, HUGETLB_SHARE=repr(i), **env)
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+ do_test_with_pagesize(system_default_hpage_size, cmd,
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+ HUGETLB_ELFMAP=mode, HUGETLB_SHARE=repr(i),
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+ **env)
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clear_hpages()
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def setup_shm_sysctl(limit):
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--
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1.8.3.1
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