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/linux/tools/perf/tests/shell/
H A Dstat.sh3 # SPDX-License-Identifier: GPL-2.0
5 set -e
8 stat_output=$(mktemp /tmp/perf-stat-test-output.XXXXX)
11 rm -f "${stat_output}"
12 trap - EXIT TERM INT
24 echo "Basic stat command test"
25 if ! perf stat true 2>&1 | grep -E -q "Performance counter stats for 'true':"
27 echo "Basic stat command test [Failed]"
31 echo "Basic stat command test [Success]"
35 echo "Null stat command test"
[all …]
H A Drecord_offcpu.sh3 # SPDX-License-Identifier: GPL-2.0
5 set -e
14 rm -f ${perfdata}
15 rm -f ${perfdata}.old
16 trap - EXIT TERM INT
25 test_above_thresh="Threshold test (above threshold)"
26 test_below_thresh="Threshold test (below threshold)"
29 echo "Checking off-cpu privilege"
31 if [ "$(id -u)" != 0 ]
33 echo "off-cpu test [Skipped permission]"
[all …]
H A Drecord_bpf_filter.sh3 # SPDX-License-Identifier: GPL-2.0
5 set -e
11 rm -f "${perfdata}"
12 rm -f "${perfdata}".old
13 trap - EXIT TERM INT
23 echo "Checking BPF-filter privilege"
25 if ! perf record -e task-clock --filter 'period > 1' \
26 -o /dev/null --quiet true 2>&1
28 if [ "$(id -u)" != 0 ]
30 echo "try 'sudo perf record --setup-filter pin' first."
[all …]
H A Dtest_intel_pt.sh3 # SPDX-License-Identifier: GPL-2.0
5 set -e
8 perf list pmu | grep -q 'intel_pt//' || exit 2
18 temp_dir=$(mktemp -d /tmp/perf-test-intel-pt-sh.XXXXXXXXXX)
20 tmpfile="${temp_dir}/tmp-perf.data"
21 perfdatafile="${temp_dir}/test-perf.data"
22 outfile="${temp_dir}/test-out.txt"
23 errfile="${temp_dir}/test-err.txt"
31 trap - EXIT TERM INT
32 sane=$(echo "${temp_dir}" | cut -b 1-26)
[all …]
H A Devlist.sh3 # SPDX-License-Identifier: GPL-2.0
5 set -e
11 rm -f "${perfdata}"
12 trap - EXIT TERM INT
23 echo "Simple evlist test"
24 if ! perf record -e cpu-clock -o "${perfdata}" true 2> /dev/null
30 if ! perf evlist -i "${perfdata}" | grep -q "cpu-clock"
36 echo "Simple evlist test [Success]"
40 echo "Group evlist test"
41 if ! perf record -e "{cpu-clock,task-clock}" -o "${perfdata}" \
[all …]
/linux/kernel/events/
H A Dhw_breakpoint_test.c1 // SPDX-License-Identifier: GPL-2.0
3 * KUnit test for hw_breakpoint constraints accounting logic.
8 #include <kunit/test.h>
15 #define TEST_REQUIRES_BP_SLOTS(test, slots) \ argument
18 kunit_skip((test), "Requires breakpoint slots: %d > %d", slots, \
23 #define TEST_EXPECT_NOSPC(expr) KUNIT_EXPECT_EQ(test, -ENOSPC, PTR_ERR(expr))
31 static struct perf_event *register_test_bp(int cpu, struct task_struct *tsk, int idx) in register_test_bp() argument
42 return perf_event_create_kernel_counter(&attr, cpu, tsk, NULL, NULL); in register_test_bp()
65 static void fill_one_bp_slot(struct kunit *test, int *id, int cpu, struct task_struct *tsk) in fill_one_bp_slot() argument
67 struct perf_event *bp = register_test_bp(cpu, tsk, *id); in fill_one_bp_slot()
[all …]
/linux/lib/
H A Dtest_objpool.c1 // SPDX-License-Identifier: GPL-2.0
4 * Test module for lockless object pool
61 /* per-cpu worker */
64 struct ot_test *test; /* test parameters */ member
85 static void *ot_kzalloc(struct ot_test *test, long size) in ot_kzalloc() argument
90 atomic_long_add(size, &test->data.kmalloc.alloc); in ot_kzalloc()
94 static void ot_kfree(struct ot_test *test, void *ptr, long size) in ot_kfree() argument
98 atomic_long_add(size, &test->data.kmalloc.free); in ot_kfree()
102 static void ot_mem_report(struct ot_test *test) in ot_mem_report() argument
106 pr_info("memory allocation summary for %s\n", test->name); in ot_mem_report()
[all …]
/linux/tools/testing/selftests/drivers/net/
H A Dnetcons_sysdata.sh
/linux/tools/perf/tests/
H A Dtopology.c1 // SPDX-License-Identifier: GPL-2.0
15 #define TEMPL "/tmp/perf-test-XXXXXX"
27 return -1; in get_temp()
46 session->evlist = evlist__new_default(&target, /*sample_callchains=*/false); in session_write_header()
47 TEST_ASSERT_VAL("can't get evlist", session->evlist); in session_write_header()
48 session->evlis in session_write_header()
72 struct perf_cpu cpu; check_cpu_topology() local
[all...]
/linux/Documentation/devicetree/bindings/sound/
H A Dtest-component.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/test-component.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Test Component
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
15 - test-cpu
16 - test-cpu-verbose
17 - test-cpu-verbose-dai
18 - test-cpu-verbose-component
[all …]
/linux/kernel/irq/
H A Dirq_test.c1 // SPDX-License-Identifier: LGPL-2.1+
4 #include <linux/cpu.h>
11 #include <kunit/test.h>
44 static int irq_test_setup_fake_irq(struct kunit *test, struct irq_affinity_desc *affd) in irq_test_setup_fake_irq() argument
49 virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, affd); in irq_test_setup_fake_irq()
50 KUNIT_ASSERT_GE(test, virq, 0); in irq_test_setup_fake_irq()
55 KUNIT_ASSERT_PTR_NE(test, desc, NULL); in irq_test_setup_fake_irq()
63 static void irq_disable_depth_test(struct kunit *test) in irq_disable_depth_test() argument
68 virq = irq_test_setup_fake_irq(test, NULL); in irq_disable_depth_test()
71 KUNIT_ASSERT_PTR_NE(test, desc, NULL); in irq_disable_depth_test()
[all …]
/linux/tools/testing/selftests/mm/
H A Duffd-stress.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * This test allocates two virtual areas and bounces the physical
11 * There are three threads running per CPU:
13 * 1) one per-CPU thread takes a per-page pthread_mutex in a random
15 * area_src), and increments a per-page counter in the same page,
18 * 2) another per-CPU thread handles the userfaults generated by
22 * 3) one last per-CPU thread transfers the memory in the background
24 * 2). Each cpu thread takes cares of transferring a portion of the
32 * per-CPU threads 1 by triggering userfaults inside
37 #include "uffd-common.h"
[all …]
/linux/tools/testing/selftests/kvm/
H A Drseq_test.c1 // SPDX-License-Identifier: GPL-2.0-only
33 * Any bug related to task migration is likely to be timing-dependent; perform
51 static int next_cpu(int cpu) in next_cpu() argument
54 * Advance to the next CPU, skipping those that weren't in the original in next_cpu()
58 * burn a lot cycles and the test will take longer than normal to in next_cpu()
62 cpu++; in next_cpu()
63 if (cpu > max_cpu) { in next_cpu()
64 cpu = min_cpu; in next_cpu()
65 TEST_ASSERT(CPU_ISSET(cpu, &possible_mask), in next_cpu()
66 "Min CPU = %d must always be usable", cpu); in next_cpu()
[all …]
/linux/tools/testing/selftests/sched_ext/
H A Dpeek_dsq.bpf.c1 // SPDX-License-Identifier: GPL-2.0
23 /* Global variables to store test results */
24 int dsq_peek_result1 = -1;
25 long dsq_inserted_pid = -1;
26 int insert_test_cpu = -1; /* Set to the cpu that performs the test */
27 long dsq_peek_result2 = -1;
28 long dsq_peek_result2_pid = -1;
29 long dsq_peek_result2_expected = -1;
32 int enqueue_count = -1;
33 int dispatch_count = -1;
[all …]
/linux/tools/testing/selftests/cgroup/
H A Dtest_cpuset_prs.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Test for cpuset v2 partition root state (PRS)
12 echo "Test SKIPPED"
16 [[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"
23 CGROUP2=$(mount -t cgroup2 | head -1 | awk -e '{print $3}')
24 [[ -n "$CGROUP2" ]] || skip_test "Cgroup v2 mount point not found!"
28 NR_CPUS=$(lscpu | grep "^CPU(s):" | sed -e "s/.*:[[:space:]]*//")
29 [[ $NR_CPUS -lt 8 ]] && skip_test "Test needs at least 8 cpus available!"
32 if [[ -c /dev/console && -w /dev/console ]]
44 while [[ "$1" = -* ]]
[all …]
H A Dtest_cpuset_v1_hp.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Test the special cpuset v1 hotplug case where a cpuset become empty of
10 echo "Test SKIPPED"
14 [[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"
17 CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk -e '{print $3}')
18 [[ -n "$CPUSET" ]] || skip_test "cpuset v1 mount point not found!"
21 # Create a test cpuset, put a CPU and a task there and offline that CPU
23 TDIR=test$$
24 [[ -d $CPUSET/$TDIR ]] || mkdir $CPUSET/$TDIR
32 echo "Unexpected cpuset $NEWCS, test FAILED!"
[all …]
/linux/tools/testing/selftests/resctrl/
H A Dresctrl.h1 /* SPDX-License-Identifier: GPL-2.0 */
31 #define PHYS_ID_PATH "/sys/devices/system/cpu/cpu"
35 * CPU vendor IDs
78 * @cpu: CPU number to which the benchmark will be bound to
82 * NULL if user did not provide parameters and test
86 int cpu;
84 int cpu; global() member
[all...]
H A Dcat_test.c1 // SPDX-License-Identifier: GPL-2.0
3 * Cache Allocation Technology (CAT) test
18 * Minimum difference in LLC misses between a test with n+1 bits CBM to the
19 * test with n bits is MIN_DIFF_PERCENT_PER_BIT * (n - 1). With e.g. 5 vs 4
21 * MIN_DIFF_PERCENT_PER_BIT * (4 - 1) = 3 percent.
44 float delta = (__s64)(avg_llc_val - *prev_avg_llc_val); in show_results_info()
81 fp = fopen(param->filenam in check_results()
156 cat_test(const struct resctrl_test * test,const struct user_params * uparams,struct resctrl_val_param * param,size_t span,unsigned long current_mask) cat_test() argument
235 cat_run_test(const struct resctrl_test * test,const struct user_params * uparams) cat_run_test() argument
291 arch_supports_noncont_cat(const struct resctrl_test * test) arch_supports_noncont_cat() argument
313 noncont_cat_run_test(const struct resctrl_test * test,const struct user_params * uparams) noncont_cat_run_test() argument
371 noncont_cat_feature_check(const struct resctrl_test * test) noncont_cat_feature_check() argument
[all...]
/linux/drivers/soc/fsl/qbman/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
26 Compiles in additional checks, to sanity-check the drivers and
30 tristate "BMan self-tests"
32 Compile the BMan self-test code. These tests will
37 bool "High-level API self-test"
41 This requires the presence of cpu-affine portals, and performs
42 high-level API testing with them (whichever portal(s) are affine
43 to the cpu(s) the test executes on).
46 tristate "QMan self-tests"
48 Compile self-test code for QMan.
[all …]
/linux/tools/testing/selftests/amd-pstate/
H A Drun.sh2 # SPDX-License-Identifier: GPL-2.0
18 # amd-pstate-ut only run on x86/x86_64 AMD systems.
19 ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/')
20 VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}')
38 CURRENT_TEST=amd-pstate
41 # Kselftest framework requirement - SKIP code is 4.
43 all_scaling_names=("acpi-cpufreq" "amd-pstate")
60 for cpu in `ls $CPUROOT | grep "cpu[0-9].*"`; do
61 if [ -d $CPUROOT/$cpu/cpufreq ]; then
77 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*")
[all …]
/linux/tools/testing/selftests/rcutorture/bin/
H A Dkvm-assign-cpus.sh2 # SPDX-License-Identifier: GPL-2.0+
4 # Produce awk statements roughly depicting the system's CPU and cache
8 # Usage: kvm-assign-cpus.sh /path/to/sysfs
10 T="`mktemp -d ${TMPDIR-/tmp}/kvm-assign-cpus.sh.XXXXXX`"
11 trap 'rm -rf $T' 0 2
13 sysfsdir=${1-/sys/devices/system/node}
16 sed -e 's/^/# /' < $T/msg
19 nodelist="`ls -d node*`"
22 if ! test -d $i/
27 for j in $i/cpu*/cache/index*
[all …]
H A Dkvm-get-cpus-script.sh2 # SPDX-License-Identifier: GPL-2.0+
7 # Usage: kvm-get-cpus-script.sh /path/to/cpu/arrays /path/to/put/script [ /path/to/state ]
9 # The CPU arrays are output by kvm-assign-cpus.sh, and are valid awk
13 # non-empty), and can also be output by this script.
15 cpuarrays="${1-/sys/devices/system/node}"
19 if ! test -f "$cpuarrays"
25 if ! test -d "$scriptdir" || ! test -x "$scriptdir" || ! test -w "$scriptdir"
35 if test -r "$statefile"
42 # Do we have the system architecture to guide CPU affinity?
48 # Return a comma-separated list of the next n CPUs.
[all …]
/linux/tools/power/cpupower/bench/
H A DREADME-BENCH1 This is cpufreq-bench, a microbenchmark for the cpufreq framework.
7 - Identify worst case performance loss when doing dynamic frequency
9 - Identify average reaction time of a governor to CPU load changes
10 - (Stress) Testing whether a cpufreq low level driver or governor works
12 - Identify cpufreq related performance regressions between kernels
13 - Possibly Real time priority testing? -> what happens if there are
15 - ...
18 - Power saving related regressions (In fact as better the performance
21 - Real world (workloads)
27 cpufreq-bench helps to test the condition of a given cpufreq governor.
[all …]
/linux/tools/testing/selftests/net/
H A Dreuseport_bpf_cpu.c1 // SPDX-License-Identifier: GPL-2.0
3 * Test functionality of BPF filters with SO_REUSEPORT. This program creates
4 * an SO_REUSEPORT receiver group containing one socket per CPU core. It then
45 addr4->sin_family = AF_INET; in build_rcv_group()
46 addr4->sin_addr.s_addr = htonl(INADDR_ANY); in build_rcv_group()
47 addr4->sin_port = htons(PORT); in build_rcv_group()
51 addr6->sin6_family = AF_INET6; in build_rcv_group()
52 addr6->sin6_add in build_rcv_group()
184 static void test(int *rcv_fd, int len, int family, int proto) test() function
187 int epfd, cpu; test() local
[all...]
/linux/tools/testing/selftests/drivers/platform/x86/intel/ifs/
H A Dtest_ifs.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Test the functionality of the Intel IFS(In Field Scan) driver.
13 readonly CPU_SYSFS="/sys/devices/system/cpu"
34 # Matches arch/x86/include/asm/intel-family.h and
61 echo -e "$1" | tee -a "$IFS_LOG"
68 local cpu=""
73 if [[ -n "$target_cpus" ]]; then
74 for cpu in $(echo "$target_cpus" | tr ',' ' '); do
75 if [[ "$cpu" == *"-"* ]]; then
79 cpu_start=$(echo "$cpu" | cut -d "-" -f 1)
[all …]

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