import realtime-tests-2.1-6.el9
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CentOS Sources
Stepan Oksanichenko
parent
312d40f2c1
commit
123bbb1ade
35
SOURCES/rt-tests-Add-missing-option-F-to-optstring.patch
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35
SOURCES/rt-tests-Add-missing-option-F-to-optstring.patch
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@ -0,0 +1,35 @@
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From 419aa72080b78210a0c8ef0c23cf56aeada1d880 Mon Sep 17 00:00:00 2001
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From: Leah Leshchinsky <lleshchi@redhat.com>
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Date: Mon, 13 Sep 2021 15:29:51 -0400
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Subject: [PATCH] rt-tests: Add missing option F to optstring
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The cyclictest help output lists -F as the short version of the
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--fifo option, yet calling cyclictest -F produces an error
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cyclictest: invalid option --'F'".
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followed by the usage() message
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This patch adds -F as a valid argument.
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Signed-off-by: Leah Leshchinsky <lleshchi@redhat.com>
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-Minor Fix to the commit message
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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src/cyclictest/cyclictest.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c
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index a08c91d..f8f7dbc 100644
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--- a/src/cyclictest/cyclictest.c
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+++ b/src/cyclictest/cyclictest.c
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@@ -1011,7 +1011,7 @@ static void process_options(int argc, char *argv[], int max_cpus)
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{"posix_timers", no_argument, NULL, OPT_POSIX_TIMERS },
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{NULL, 0, NULL, 0 },
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};
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- int c = getopt_long(argc, argv, "a::A::b:c:d:D:h:H:i:l:MNo:p:mqrRsSt::uvD:x",
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+ int c = getopt_long(argc, argv, "a::A::b:c:d:D:F:h:H:i:l:MNo:p:mqrRsSt::uvD:x",
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long_options, &option_index);
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if (c == -1)
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break;
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--
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2.27.0
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@ -0,0 +1,87 @@
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From a933af2b82ea90a51a2600cf88cfcc5f2fba9804 Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Thu, 18 Nov 2021 14:12:23 -0500
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Subject: [PATCH 2/2] rt-tests: cyclicdeadline: Fix double mount of cgroups
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If /sys/fs/cgroup exists and it is type cgroup2, cyclicdeadline mounts it a
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second time as cgroup.
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systemd is creating cgroup2 for logins and this can hang the machine and
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not allow logins.
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Fix this by:
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If /sys/fs/cgroup exists, then use it for cyclicdeadline_test.
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If it exists but the type is not recognized, exit with an error.
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Do not simply mount it as type cgroup.
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TODO: If the file doesn't exit but cgroups are supported in the kernel,
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the file could be created and mounted.
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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src/sched_deadline/cyclicdeadline.c | 39 +++++++++++++++++++++++------
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1 file changed, 32 insertions(+), 7 deletions(-)
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diff --git a/src/sched_deadline/cyclicdeadline.c b/src/sched_deadline/cyclicdeadline.c
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index 4860a40f5e6b..1f9a5df42d4f 100644
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--- a/src/sched_deadline/cyclicdeadline.c
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+++ b/src/sched_deadline/cyclicdeadline.c
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@@ -358,6 +358,32 @@ static int mounted(const char *path, long magic)
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#define CGROUP_PATH "/sys/fs/cgroup"
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#define CPUSET_PATH CGROUP_PATH "/cpuset"
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+/**
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+ * cgroup_mounted - test if the path /sys/fs/cgroup exists
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+ * and is a supported type
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+ *
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+ * Returns -1 if the path does not exist
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+ * Returns 0 if the path exists but is not a cgroup type
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+ * Returns 1 if the path exists and supports cgroups
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+ */
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+static int cgroup_mounted(void)
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+{
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+ int ret;
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+
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+ ret = mounted(CGROUP_PATH, TMPFS_MAGIC);
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+ if (ret == -1)
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+ return -1; /* path doesn't exist */
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+ if (ret == 1)
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+ return 1; /* tmpfs */
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+ ret = mounted(CGROUP_PATH, CGROUP_SUPER_MAGIC);
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+ if (ret == 1)
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+ return 1; /* cgroup v1 */
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+ ret = mounted(CGROUP_PATH, CGROUP2_SUPER_MAGIC);
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+ if (ret == 1)
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+ return 1;
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+ return 0; /* path exists but type is not recognized */
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+}
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+
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static int open_cpuset(const char *path, const char *name)
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{
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char buf[MAXPATH];
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@@ -383,14 +409,13 @@ static int mount_cpuset(void)
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int fd;
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/* Check if cgroups is already mounted. */
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- ret = mounted(CGROUP_PATH, TMPFS_MAGIC);
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- if (ret < 0)
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+ ret = cgroup_mounted();
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+ if (ret < 0) /* /sys/fs/cgroup doesn't exist */
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return ret;
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- if (!ret) {
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- ret = mount("cgroup_root", CGROUP_PATH, "tmpfs", 0, NULL);
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- if (ret < 0)
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- return ret;
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- }
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+
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+ if (!ret) /* /sys/fs/cgroup exists, but we don't recognize the type */
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+ return -1;
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+
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ret = stat(CPUSET_PATH, &st);
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if (ret < 0) {
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ret = mkdir(CPUSET_PATH, 0755);
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--
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2.31.1
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@ -0,0 +1,87 @@
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From 8100a3ae8c6abff99fb512d126055f4b603f4517 Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Thu, 18 Nov 2021 13:48:10 -0500
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Subject: [PATCH 1/2] rt-tests: deadline_test: Fix double mount of cgroups
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If /sys/fs/cgroup exists and it is type cgroup2, deadline mounts it a
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second time as cgroup.
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systemd is creating cgroup2 for logins and this can hang the machine and
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not allow logins.
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Fix this by:
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If /sys/fs/cgroup exists, then use it for deadline_test.
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If it exists but the type is not recognized, exit with an error.
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Do not simply mount it as type cgroup.
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TODO: If the file doesn't exit but cgroups are supported in the kernel,
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the file could be created and mounted.
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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src/sched_deadline/deadline_test.c | 39 ++++++++++++++++++++++++------
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1 file changed, 32 insertions(+), 7 deletions(-)
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diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
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index b7e1e045b57c..11d669025425 100644
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--- a/src/sched_deadline/deadline_test.c
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+++ b/src/sched_deadline/deadline_test.c
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@@ -518,6 +518,32 @@ static int mounted(const char *path, long magic)
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#define CGROUP_PATH "/sys/fs/cgroup"
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#define CPUSET_PATH CGROUP_PATH "/cpuset"
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+/**
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+ * cgroup_mounted - test if the path /sys/fs/cgroup exists
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+ * and is a supported type
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+ *
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+ * Returns -1 if the path does not exist
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+ * Returns 0 if the path exists but is not a cgroup type
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+ * Returns 1 if the path exists and supports cgroups
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+ */
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+static int cgroup_mounted(void)
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+{
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+ int ret;
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+
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+ ret = mounted(CGROUP_PATH, TMPFS_MAGIC);
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+ if (ret == -1)
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+ return -1; /* path doesn't exist */
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+ if (ret == 1)
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+ return 1; /* tmpfs */
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+ ret = mounted(CGROUP_PATH, CGROUP_SUPER_MAGIC);
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+ if (ret == 1)
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+ return 1; /* cgroup v1 */
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+ ret = mounted(CGROUP_PATH, CGROUP2_SUPER_MAGIC);
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+ if (ret == 1)
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+ return 1;
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+ return 0; /* path exists but type is not recognized */
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+}
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+
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/**
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* open_cpuset - open a file (usually a cpuset file)
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* @path: The path of the directory the file is in
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@@ -568,14 +594,13 @@ static int mount_cpuset(void)
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int fd;
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/* Check if cgroups is already mounted. */
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- ret = mounted(CGROUP_PATH, TMPFS_MAGIC);
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- if (ret < 0)
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+ ret = cgroup_mounted();
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+ if (ret < 0) /* /sys/fs/cgroup doesn't exist */
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return ret;
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- if (!ret) {
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- ret = mount("cgroup_root", CGROUP_PATH, "tmpfs", 0, NULL);
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- if (ret < 0)
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- return ret;
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- }
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+
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+ if (!ret) /* /sys/fs/cgroup exists, but we don't recognize the type */
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+ return -1;
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+
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ret = stat(CPUSET_PATH, &st);
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if (ret < 0) {
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ret = mkdir(CPUSET_PATH, 0755);
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--
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2.31.1
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@ -0,0 +1,34 @@
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From 6a3dd40539c1804db8b1fe1684afa5fa111636fe Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Thu, 11 Nov 2021 08:56:54 -0500
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Subject: [PATCH] rt-tests: deadline_tests: Null check to prevent floating
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point exception
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Fix a floating point exception that can occur if sd->nr_adjust is 0
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by checking it before performing a division by zero.
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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src/sched_deadline/deadline_test.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
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index 53abd4d2ca6b..b7e1e045b57c 100644
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--- a/src/sched_deadline/deadline_test.c
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+++ b/src/sched_deadline/deadline_test.c
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@@ -2050,8 +2050,10 @@ int main(int argc, char **argv)
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printf("missed deadlines = %d\n", sd->missed_deadlines);
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printf("missed periods = %d\n", sd->missed_periods);
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printf("Total adjustments = %lld us\n", sd->total_adjust);
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- printf("# adjustments = %lld avg: %lld us\n",
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- sd->nr_adjust, sd->total_adjust / sd->nr_adjust);
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+ if (sd->nr_adjust) {
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+ printf("# adjustments = %lld avg: %lld us\n",
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+ sd->nr_adjust, sd->total_adjust / sd->nr_adjust);
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+ }
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printf("deadline : %lld us\n", sd->deadline_us);
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printf("runtime : %lld us\n", sd->runtime_us);
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printf("nr_periods : %lld\n", sd->nr_periods);
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--
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2.31.1
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@ -6,7 +6,7 @@ Name: realtime-tests
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# Numa argument to make: NUMA=1
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#
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Version: 2.1
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Release: 3%{?dist}
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Release: 6%{?dist}
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License: GPLv2
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URL: https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git
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Source0: https://www.kernel.org/pub/linux/utils/rt-tests/rt-tests-%{version}.tar.xz
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@ -22,6 +22,10 @@ Requires: bc
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#Patches
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Patch1: sched_deadline-Accommodate-new-location-of-HRTICK-file.patch
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Patch2: sched_deadline-Use-HRTICK_DL-for-sched_deadline-tests.patch
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Patch3: rt-tests-Add-missing-option-F-to-optstring.patch
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Patch4: rt-tests-deadline_tests-Null-check-to-prevent-exception.patch
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Patch5: rt-tests-deadline_test-Fix-double-mount-of-cgroups.patch
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Patch6: rt-tests-cyclicdeadline-Fix-double-mount-of-cgroups.patch
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%description
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realtime-tests is a set of programs that test and measure various components of
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@ -32,6 +36,10 @@ latency. It also tests the functioning of priority-inheritance mutexes.
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%setup -q -n rt-tests-%{version}
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%patch1 -p1
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%patch2 -p1
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%patch3 -p1
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%patch4 -p1
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%patch5 -p1
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%patch6 -p1
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%build
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%set_build_flags
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@ -82,6 +90,19 @@ latency. It also tests the functioning of priority-inheritance mutexes.
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%{_mandir}/man8/determine_maximum_mpps.8.*
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%changelog
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* Thu Nov 18 2021 John Kacur <jkacur@redhat.com> - 2.1-6
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- Fix potential double mount of cgroups for deadline_test
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- Fix potential double mount of cgroups for cyclicdeadline_test
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Resolves: rhbz#2011415
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* Thu Nov 18 2021 John Kacur <jkacur@redhat.com> - 2.1-5
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- Null check to prevent floating point exception in deadline test
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Resolves: rhbz#2023501
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* Tue Nov 02 2021 Leah Leshchinsky <lleshchi@redhat.com> - 2.1-4
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- Add missing option -F to optstring
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Resolved: rhbz#2007021
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* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 2.1-3
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- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
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Related: rhbz#1991688
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