Resguardo inicial

linux-7.2.3/tools/tracing/rtla/tests/scripts/check-cgroup-match.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+. "$(dirname $0)/lib/get_workload_pids.sh"
+rtla_pid=$(echo $(ps -o ppid= $$))
+rtla_cgroup=$(</proc/$rtla_pid/cgroup)
+echo "RTLA cgroup: $rtla_cgroup"
+for pid in $(get_workload_pids)
+do
+    pid_cgroup=$(</proc/$pid/cgroup)
+    echo "PID $pid cgroup: $pid_cgroup"
+    if ! [ "$pid_cgroup" = "$rtla_cgroup" ]
+    then
+        echo "Mismatch!"
+        exit 0
+    fi
+done
+echo "cgroup matches for all workload PIDs"

linux-7.2.3/tools/tracing/rtla/tests/scripts/check-cpus.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+. "$(dirname $0)/lib/get_workload_pids.sh"
+echo -n "Affinity of threads: "
+for pid in $(get_workload_pids)
+do
+    echo -n $(taskset -c -p $pid | cut -d ':' -f 2)
+done
+echo

linux-7.2.3/tools/tracing/rtla/tests/scripts/check-housekeeping-cpus.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+pid=$(ps -o ppid= $$)
+echo "Affinity of threads:$(taskset -c -p $pid | cut -d ':' -f 2)"

linux-7.2.3/tools/tracing/rtla/tests/scripts/check-priority.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+. "$(dirname $0)/lib/get_workload_pids.sh"
+for pid in $(get_workload_pids)
+do
+  chrt -p $pid | cut -d ':' -f 2 | head -n1 | grep "^ $1\$" >/dev/null
+  chrt -p $pid | cut -d ':' -f 2 | tail -n1 | grep "^ $2\$" >/dev/null
+done && echo "Priorities are set correctly"

linux-7.2.3/tools/tracing/rtla/tests/scripts/check-user-kernel-threads.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+. "$(dirname $0)/lib/get_workload_pids.sh"
+kthreadd_pid=$(pgrep ^kthreadd$)
+cnt_kernel=0
+cnt_user=0
+for pid in $(get_workload_pids)
+do
+    if [ "$(echo $(ps -o ppid= $pid))" = "$kthreadd_pid" ]
+    then
+        ((++cnt_kernel))
+    else
+        ((++cnt_user))
+    fi
+done
+echo "$cnt_kernel kernel threads, $cnt_user user threads"

linux-7.2.3/tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+get_workload_pids() {
+    local shell_pid=$$
+    local rtla_pid=$(ps -o ppid= $shell_pid)
+
+    # kernel threads
+    pgrep -P $(pgrep ^kthreadd$) -f '^\[?(osnoise|timerlat)/[0-9]+\]?$'
+    # user threads
+    pgrep -P $rtla_pid | grep -v "^$shell_pid$"
+}