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/tools/perf/pmu-events/
A Dmetric_test.py44 after = before
50 after = before
56 after = before
61 after = before
110 before = 'a + 0'
114 before = '0 + a'
118 before = 'a | 0'
122 before = '0 | a'
126 before = 'a * 0'
130 before = '0 * a'
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/tools/testing/selftests/kvm/arm64/
A Dhost_sve.c49 unsigned long before, after; in do_sve_roundtrip() local
62 : [before] "=r" (before), in do_sve_roundtrip()
68 if (before != after) { in do_sve_roundtrip()
70 before, after); in do_sve_roundtrip()
73 before, after); in do_sve_roundtrip()
/tools/perf/util/bpf_skel/
A Dbpf_prog_profiler.bpf.c55 struct bpf_perf_event_value *before, diff; in fexit_update_maps() local
58 before = bpf_map_lookup_elem(&fentry_readings, &zero); in fexit_update_maps()
60 if (before && before->counter) { in fexit_update_maps()
63 diff.counter = after->counter - before->counter; in fexit_update_maps()
64 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
65 diff.running = after->running - before->running; in fexit_update_maps()
/tools/testing/selftests/kselftest_harness/
A Dharness-selftest.expected5 # harness-selftest.c:19:standalone_pass:before
10 # harness-selftest.c:27:standalone_fail:before
17 # harness-selftest.c:35:signal_pass:before
22 # harness-selftest.c:42:signal_fail:before
29 # harness-selftest.c:62:pass:before
30 # harness-selftest.c:19:pass:before
38 # harness-selftest.c:70:fail:before
46 # harness-selftest.c:77:timeout:before
52 # harness-selftest.c:96:pass:before
/tools/bpf/bpftool/skeleton/
A Dprofiler.bpf.c79 struct bpf_perf_event_value___local *before, diff; in fexit_update_maps() local
81 before = bpf_map_lookup_elem(&fentry_readings, &id); in fexit_update_maps()
83 if (before && before->counter) { in fexit_update_maps()
86 diff.counter = after->counter - before->counter; in fexit_update_maps()
87 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
88 diff.running = after->running - before->running; in fexit_update_maps()
/tools/testing/selftests/bpf/prog_tests/
A Duprobe_syscall.c26 __naked void uretprobe_regs(struct pt_regs *before, struct pt_regs *after) in uretprobe_regs() argument
98 struct pt_regs before = {}, after = {}; in test_uretprobe_regs_equal() local
99 unsigned long *pb = (unsigned long *) &before; in test_uretprobe_regs_equal()
113 uretprobe_regs(&before, &after); in test_uretprobe_regs_equal()
116 cnt = sizeof(before)/sizeof(*pb); in test_uretprobe_regs_equal()
180 struct pt_regs before = {}, after = {}; in test_uretprobe_regs_change() local
181 unsigned long *pb = (unsigned long *) &before; in test_uretprobe_regs_change()
183 unsigned long cnt = sizeof(before)/sizeof(*pb); in test_uretprobe_regs_change()
192 uretprobe_regs(&before, &after); in test_uretprobe_regs_change()
A Duprobe_multi_test.c834 unsigned long before, unsigned long after, in uprobe_consumer_test() argument
841 if (test_bit(idx, before) && !test_bit(idx, after)) in uprobe_consumer_test()
847 if (!test_bit(idx, before) && test_bit(idx, after)) { in uprobe_consumer_test()
883 unsigned long before, unsigned long after, in consumer_test() argument
892 if (test_bit(idx, before)) { in consumer_test()
898 err = test(skel, before, after, offset); in consumer_test()
913 if (test_bit(idx, before)) in consumer_test()
923 uret_stays = before & after & 0b0110; in consumer_test()
924 uret_survives = ((before & 0b0110) && (after & 0b0110) && (before & 0b1001)); in consumer_test()
936 if (test_bit(idx, before)) { in consumer_test()
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/tools/testing/selftests/powerpc/pmu/ebb/
A Dpmae_handling_test.c29 static uint64_t before, after; variable
44 before = mfspr(SPRN_MMCR0); in syscall_ebb_callee()
50 if (before != after) in syscall_ebb_callee()
88 printf("Saw MMCR0 before 0x%lx after 0x%lx\n", before, after); in test_body()
/tools/testing/selftests/net/tcp_ao/lib/
A Dsock.c487 if (before->cnt > after->cnt) \ in test_cmp_counters()
489 if (before->cnt != after->cnt) \ in test_cmp_counters()
501 i = before->ao.nr_keys; in test_cmp_counters()
511 struct tcp_counters *before, in test_assert_counters_sk() argument
525 before->cnt, after->cnt); \ in test_assert_counters_sk()
548 before->key_cnts[i].sndid, \ in test_assert_counters_key()
549 before->key_cnts[i].rcvid); \ in test_assert_counters_key()
555 before->key_cnts[i].cnt, \ in test_assert_counters_key()
557 before->key_cnts[i].sndid, \ in test_assert_counters_key()
558 before->key_cnts[i].rcvid); \ in test_assert_counters_key()
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/tools/testing/selftests/intel_pstate/
A Daperf.c29 struct timespec before, after; in main() local
62 if (clock_gettime(CLOCK_MONOTONIC, &before) < 0) { in main()
86 start = before.tv_sec*MSEC_PER_SEC + before.tv_nsec/NSEC_PER_MSEC; in main()
/tools/testing/selftests/mm/
A Dthuge-gen.c97 unsigned long before, after; in test_mmap() local
99 before = read_free(size); in test_mmap()
109 ksft_test_result(size == getpagesize() || (before - after) == NUM_PAGES, in test_mmap()
119 unsigned long before, after; in test_shmget() local
123 before = read_free(size); in test_shmget()
147 ksft_test_result(size == getpagesize() || (before - after) == NUM_PAGES, in test_shmget()
/tools/testing/selftests/arm64/pauth/
A Dpac.c334 struct signatures before; in TEST() local
339 sign_specific(&before, ARBITRARY_VALUE); in TEST()
347 ASSERT_EQ(before.keyia, after.keyia) TH_LOG("keyia changed after context switching"); in TEST()
348 ASSERT_EQ(before.keyib, after.keyib) TH_LOG("keyib changed after context switching"); in TEST()
349 ASSERT_EQ(before.keyda, after.keyda) TH_LOG("keyda changed after context switching"); in TEST()
350 ASSERT_EQ(before.keydb, after.keydb) TH_LOG("keydb changed after context switching"); in TEST()
357 size_t before; in TEST() local
362 before = keyg_sign(ARBITRARY_VALUE); in TEST()
370 ASSERT_EQ(before, after) TH_LOG("keyg changed after context switching"); in TEST()
/tools/memory-model/Documentation/
A Dexplanation.txt266 It's not possible to have X ordered before Y, Y ordered before Z, and
267 Z ordered before X, because this would mean that X is ordered before
838 before any po-later loads;
1113 cannot execute R' before R, because it cannot forward the value before
1258 execute before W does.
1453 propagate to Y's CPU before X does, hence before Y executes and hence
1534 every CPU before G ends.
1660 3. Y is po-before Z;
1669 G's CPU before G starts must propagate to every CPU before C starts.
2282 Y executes before X -- then Y must propagate to X's CPU before X
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/tools/testing/selftests/drivers/net/hw/
A Dethtool_rmon.sh40 local before=
49 before=$(ethtool --json -S $iface --groups rmon | \
60 delta=$((after - before))
A Dethtool_mm.sh25 local before=
33 before=$(ethtool_std_stats_get $if "eth-mac" "FramesTransmittedOK" $src)
39 delta=$((after - before))
/tools/memory-model/litmus-tests/
A DLB+unlocklockonceonce+poacquireonce.litmus7 * in the first must execute before any accesses in the second, even if the
9 * write executes before a read, their memory effects can be reordered from
A DMP+unlocklockonceonce+fencermbonceonce.litmus7 * first must propagate to each CPU before stores in the second do, even if
/tools/testing/selftests/user_events/
A Dftrace_test.c310 int before = 0, after = 0; in TEST_F() local
353 before = trace_bytes(); in TEST_F()
356 ASSERT_GT(after, before); in TEST_F()
367 int before = 0, after = 0; in TEST_F() local
391 before = trace_bytes(); in TEST_F()
394 ASSERT_GT(after, before); in TEST_F()
439 int before = 0, after = 0; in TEST_F() local
472 before = trace_bytes(); in TEST_F()
476 ASSERT_GT(after, before); in TEST_F()
/tools/testing/selftests/net/tcp_ao/
A Dself-connect.c36 struct tcp_counters before, after; in tcp_self_connect() local
66 if (test_get_tcp_counters(sk, &before)) in tcp_self_connect()
99 if (test_assert_counters(tst, &before, &after, TEST_CNT_GOOD)) { in tcp_self_connect()
A Drst.c37 static void netstats_check(struct netstat *before, struct netstat *after, in netstats_check() argument
42 before_cnt = netstat_get(before, "TCPAORequired", NULL); in netstats_check()
50 before_cnt = netstat_get(before, "TCPAOGood", NULL); in netstats_check()
59 before_cnt = netstat_get(before, "TCPAOBad", NULL); in netstats_check()
/tools/testing/selftests/bpf/progs/
A Dbpf_cc_cubic.c27 #define after(seq2, seq1) before(seq1, seq2)
37 static bool before(__u32 seq1, __u32 seq2) in before() function
136 if (!before(tp->snd_una, tp->high_seq)) { in BPF_PROG()
/tools/perf/tests/
A Dopenat-syscall-tp-fields.c91 int before = nr_events; in test__syscall_openat_tp_fields() local
134 if (nr_events == before) in test__syscall_openat_tp_fields()
/tools/perf/tests/shell/attr/
A Dtest-record-user-regs-no-sve-aarch642 # applies both before and after the feature was added in 6.1
/tools/memory-model/
A Dlinux-kernel.cat56 * propagate to one of the involved CPUs before it hands over the lock to
110 acyclic hb as happens-before
174 * The happens-before, propagation, and rcu constraints are all
176 * a single constraint on an "executes-before" relation, xb:
179 * acyclic xb as executes-before
191 (* Executes-before and visibility *)
204 (* Visibility and executes-before for plain accesses *)
/tools/perf/Documentation/
A Ddb-export.txt31 before using them. e.g. function IsSelectable() in exported-sql-viewer.py
39 before calling them. The scripting engine can also test for the support of new

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