| /linux/drivers/isdn/mISDN/ |
| H A D | dsp_audio.c | 105 static unsigned char linear2ulaw(short sample) in linear2ulaw() argument
128 sign = (sample >> 8) & 0x80; /* set aside the sign */ in linear2ulaw()
130 sample = -sample; /* get magnitude */ in linear2ulaw()
133 sample = sample + BIAS; in linear2ulaw()
134 exponent = exp_lut[(sample >> 7) & 0xFF]; in linear2ulaw()
135 mantissa = (sample >> (exponent + 3)) & 0x0F; in linear2ulaw()
242 s32 sample; in dsp_audio_generate_mix_table() local
248 sample = dsp_audio_law_to_s32[i]; in dsp_audio_generate_mix_table()
249 sample += dsp_audio_law_to_s32[j]; in dsp_audio_generate_mix_table()
250 if (sample > 32767) in dsp_audio_generate_mix_table()
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| /linux/tools/perf/ |
| H A D | builtin-timechart.c | 286 struct cpu_sample *sample; in pid_put_sample() local
295 sample = zalloc(sizeof(*sample)); in pid_put_sample()
296 assert(sample != NULL); in pid_put_sample()
297 sample->start_time = start; in pid_put_sample()
298 sample->end_time = end; in pid_put_sample()
299 sample->type = type; in pid_put_sample()
300 sample->next = c->samples; in pid_put_sample()
301 sample->cpu = cpu; in pid_put_sample()
302 sample->backtrace = backtrace; in pid_put_sample()
303 c->samples = sample; in pid_put_sample()
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| H A D | builtin-script.c | 789 static int perf_sample__fprintf_iregs(struct perf_sample *sample, in perf_sample__fprintf_iregs() argument
792 if (!sample->intr_regs) in perf_sample__fprintf_iregs()
795 return perf_sample__fprintf_regs(perf_sample__intr_regs(sample), in perf_sample__fprintf_iregs()
799 static int perf_sample__fprintf_uregs(struct perf_sample *sample, in perf_sample__fprintf_uregs() argument
802 if (!sample->user_regs) in perf_sample__fprintf_uregs()
805 return perf_sample__fprintf_regs(perf_sample__user_regs(sample), in perf_sample__fprintf_uregs()
810 struct perf_sample *sample, in perf_sample__fprintf_start() argument
833 if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid) in perf_sample__fprintf_start()
834 printed += fprintf(fp, "VM:%5d ", sample->machine_pid); in perf_sample__fprintf_start()
837 if (PRINT_FIELD(VCPU) && sample->machine_pid) in perf_sample__fprintf_start()
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| H A D | builtin-kwork.c | 241 struct perf_sample *sample) in atom_new() argument
271 atom->time = sample->time; in atom_new()
396 struct perf_sample *sample) in profile_update_timespan() argument
401 if ((kwork->timestart == 0) || (kwork->timestart > sample->time)) in profile_update_timespan()
402 kwork->timestart = sample->time; in profile_update_timespan()
404 if (kwork->timeend < sample->time) in profile_update_timespan()
405 kwork->timeend = sample->time; in profile_update_timespan()
421 struct perf_sample *sample) in profile_event_match() argument
424 u64 time = sample->time; in profile_event_match()
443 profile_update_timespan(kwork, sample); in profile_event_match()
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| H A D | builtin-inject.c | 48 struct perf_sample sample; member
145 struct perf_sample *sample,
152 struct perf_sample *sample,
300 struct perf_sample *sample __maybe_unused, in perf_event__repipe()
308 struct perf_sample *sample __maybe_unused, in perf_event__drop()
316 struct perf_sample *sample, in perf_event__drop_aux() argument
322 inject->aux_id = sample->id; in perf_event__drop_aux()
330 struct perf_sample *sample) in perf_inject__cut_auxtrace_sample() argument
332 size_t sz1 = sample->aux_sample.data - (void *)event; in perf_inject__cut_auxtrace_sample()
333 size_t sz2 = event->header.size - sample->aux_sample.size - sz1; in perf_inject__cut_auxtrace_sample()
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| H A D | builtin-sched.c | 129 struct perf_sample *sample, struct machine *machine);
132 struct perf_sample *sample, struct machine *machine);
135 struct perf_sample *sample, struct machine *machine);
143 struct perf_sample *sample,
822 struct evsel *evsel, struct perf_sample *sample, in replay_wakeup_event() argument
825 const char *comm = evsel__strval(evsel, sample, "comm"); in replay_wakeup_event()
826 const u32 pid = evsel__intval(evsel, sample, "pid"); in replay_wakeup_event()
832 printf(" ... pid %d woke up %s/%d\n", sample->tid, comm, pid); in replay_wakeup_event()
835 waker = register_pid(sched, sample->tid, "<unknown>"); in replay_wakeup_event()
838 add_sched_event_wakeup(sched, waker, sample->time, wakee); in replay_wakeup_event()
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| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | test_ringbuf_map_key.c | 10 struct sample { struct
24 __type(key, struct sample); argument
38 struct sample *sample, sample_copy; in test_ringbuf_mem_map_key() local
44 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf_mem_map_key()
45 if (!sample) in test_ringbuf_mem_map_key()
48 sample->pid = pid; in test_ringbuf_mem_map_key()
49 bpf_get_current_comm(sample->comm, sizeof(sample->comm)); in test_ringbuf_mem_map_key()
50 sample->seq = ++seq; in test_ringbuf_mem_map_key()
51 sample->value = 42; in test_ringbuf_mem_map_key()
55 lookup_val = (int *)bpf_map_lookup_elem(&hash_map, sample); in test_ringbuf_mem_map_key()
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| H A D | test_ringbuf.c | 10 struct sample { struct
43 struct sample *sample; in test_ringbuf() local
48 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf()
49 if (!sample) { in test_ringbuf()
54 sample->pid = pid; in test_ringbuf()
55 bpf_get_current_comm(sample->comm, sizeof(sample->comm)); in test_ringbuf()
56 sample->value = value; in test_ringbuf()
58 sample->seq = seq++; in test_ringbuf()
61 if (sample->seq & 1) { in test_ringbuf()
63 bpf_ringbuf_output(&ringbuf, sample, sizeof(*sample), flags); in test_ringbuf()
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| H A D | test_ringbuf_n.c | 14 struct sample { struct
31 struct sample *sample; in test_ringbuf_n() argument
36 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf_n()
37 if (!sample) in test_ringbuf_n()
40 sample->pid = pid; in test_ringbuf_n()
41 sample->value = value; in test_ringbuf_n()
42 bpf_get_current_comm(sample->comm, sizeof(sample->comm)); in test_ringbuf_n()
44 bpf_ringbuf_submit(sample, 0); in test_ringbuf_n()
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| H A D | test_ringbuf_multi.c | 9 struct sample { struct
60 struct sample *sample; in test_ringbuf() local
72 sample = bpf_ringbuf_reserve(rb, sizeof(*sample), 0); in test_ringbuf()
73 if (!sample) { in test_ringbuf()
78 sample->pid = pid; in test_ringbuf()
79 bpf_get_current_comm(sample->comm, sizeof(sample->comm)); in test_ringbuf()
80 sample->value = value; in test_ringbuf()
82 sample->seq = total; in test_ringbuf()
85 bpf_ringbuf_submit(sample, 0); in test_ringbuf()
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| /linux/tools/perf/scripts/python/ |
| H A D | intel-pt-events.py | 231 def common_start_str(comm, sample): argument
232 ts = sample["time"]
233 cpu = sample["cpu"]
234 pid = sample["pid"]
235 tid = sample["tid"]
236 if "machine_pid" in sample:
237 machine_pid = sample["machine_pid"]
238 vcpu = sample["vcpu"]
243 def print_common_start(comm, sample, name): argument
244 flags_disp = get_optional_null(sample, "flags_disp")
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| /linux/tools/perf/util/ |
| H A D | arm64-frame-pointer-unwind-support.c | 18 static bool get_leaf_frame_caller_enabled(struct perf_sample *sample) in get_leaf_frame_caller_enabled()
25 regs = perf_sample__user_regs(sample); in add_entry()
37 u64 get_leaf_frame_caller_aarch64(struct perf_sample *sample, struct thread *thread, int usr_idx) in get_leaf_frame_caller_aarch64()
43 if (!get_leaf_frame_caller_enabled(sample)) in get_leaf_frame_caller_aarch64()
51 regs = perf_sample__user_regs(sample); in get_leaf_frame_caller_aarch64()
55 regs->cache_regs[PERF_REG_ARM64_PC] = sample->callchain->ips[usr_idx+1]; in get_leaf_frame_caller_aarch64()
63 ret = unwind__get_entries(add_entry, &entries, thread, sample, 2, true); in get_leaf_frame_caller_aarch64()
17 get_leaf_frame_caller_enabled(struct perf_sample * sample) get_leaf_frame_caller_enabled() argument
31 get_leaf_frame_caller_aarch64(struct perf_sample * sample,struct thread * thread,int usr_idx) get_leaf_frame_caller_aarch64() argument
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| H A D | bpf-filter.l | 14 static int sample(enum perf_bpf_filter_term term) in sample() function
17 perf_bpf_filter_lval.sample.term = term; in sample()
18 perf_bpf_filter_lval.sample.part = 0; in sample()
25 perf_bpf_filter_lval.sample.term = term; in sample_part()
26 perf_bpf_filter_lval.sample.part = part; in sample_part()
33 perf_bpf_filter_lval.sample.term = term; in sample_path()
34 perf_bpf_filter_lval.sample.part = 0; in sample_path()
88 ip { return sample(PBF_TERM_IP); }
89 id { return sample(PBF_TERM_ID); }
90 tid { return sample(PBF_TERM_TI
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| H A D | intel-pt.c | 291 struct perf_sample *sample) in intel_pt_dump_sample() argument
297 intel_pt_dump(pt, sample->aux_sample.data, sample->aux_sample.size); in intel_pt_dump_sample()
1238 struct perf_sample *sample) in intel_pt_add_callchain() argument
1241 sample->pid, in intel_pt_add_callchain()
1242 sample->tid); in intel_pt_add_callchain()
1244 thread_stack__sample_late(thread, sample->cpu, pt->chain, in intel_pt_add_callchain()
1245 pt->synth_opts.callchain_sz + 1, sample->ip, in intel_pt_add_callchain()
1248 sample->callchain = pt->chain; in intel_pt_add_callchain()
1276 struct perf_sample *sample) in intel_pt_add_br_stack() argument
1279 sample->pid, in intel_pt_add_br_stack()
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| H A D | print_insn.c | 21 size_t sample__fprintf_insn_raw(struct perf_sample *sample, FILE *fp) in sample__fprintf_insn_raw() argument
25 for (int i = 0; i < sample->insn_len; i++) { in sample__fprintf_insn_raw()
26 printed += fprintf(fp, "%02x", (unsigned char)sample->insn[i]); in sample__fprintf_insn_raw()
27 if (sample->insn_len - i > 1) in sample__fprintf_insn_raw()
53 size_t sample__fprintf_insn_asm(struct perf_sample *sample, struct thread *thread, in sample__fprintf_insn_asm() argument
60 printed = fprintf_insn_asm(machine, thread, sample->cpumode, is64bit, in sample__fprintf_insn_asm()
61 (uint8_t *)sample->insn, sample->insn_len, in sample__fprintf_insn_asm()
62 sample->ip, NULL, 0, fp); in sample__fprintf_insn_asm()
64 return sample__fprintf_insn_raw(sample, fp); in sample__fprintf_insn_asm()
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| H A D | session.c | 796 static void callchain__lbr_callstack_printf(struct perf_sample *sample) in callchain__lbr_callstack_printf() argument
798 struct ip_callchain *callchain = sample->callchain; in callchain__lbr_callstack_printf()
799 struct branch_stack *lbr_stack = sample->branch_stack; in callchain__lbr_callstack_printf()
800 struct branch_entry *entries = perf_sample__branch_entries(sample); in callchain__lbr_callstack_printf()
845 struct perf_sample *sample) in callchain__printf() argument
848 struct ip_callchain *callchain = sample->callchain; in callchain__printf()
851 callchain__lbr_callstack_printf(sample); in callchain__printf()
859 if (sample->deferred_callchain) in callchain__printf()
863 static void branch_stack__printf(struct perf_sample *sample, in branch_stack__printf() argument
866 struct branch_entry *entries = perf_sample__branch_entries(sample); in branch_stack__printf()
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| H A D | event.c | 227 struct perf_sample *sample, in perf_event__process_comm() argument
230 return machine__process_comm_event(machine, event, sample); in perf_event__process_comm()
235 struct perf_sample *sample, in perf_event__process_namespaces() argument
238 return machine__process_namespaces_event(machine, event, sample); in perf_event__process_namespaces()
243 struct perf_sample *sample, in perf_event__process_cgroup() argument
246 return machine__process_cgroup_event(machine, event, sample); in perf_event__process_cgroup()
251 struct perf_sample *sample, in perf_event__process_lost() argument
254 return machine__process_lost_event(machine, event, sample); in perf_event__process_lost()
259 struct perf_sample *sample __maybe_unused, in perf_event__process_aux()
267 struct perf_sample *sample __maybe_unused, in perf_event__process_itrace_start()
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| /linux/tools/testing/selftests/ftrace/test.d/event/ |
| H A D | event-mod.tc | 7 rmmod trace-events-sample ||:
8 if ! modprobe trace-events-sample ; then
20 grep -q sample-trace:foo_bar set_event
21 grep -q sample-trace:foo_bar_with_cond set_event
22 grep -q sample-trace:foo_bar_with_fn set_event
25 val=`cat events/sample-trace/enable`
49 val=`cat events/sample-trace/enable`
65 val=`cat events/sample-trace/enable`
80 val=`cat events/sample-trace/enable`
96 val=`cat events/sample-trace/enable`
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| /linux/tools/perf/arch/x86/util/ |
| H A D | kvm-stat.c | 32 static void mmio_event_get_key(struct evsel *evsel, struct perf_sample *sample, in mmio_event_get_key() argument
35 key->key = evsel__intval(evsel, sample, "gpa"); in mmio_event_get_key()
36 key->info = evsel__intval(evsel, sample, "type"); in mmio_event_get_key()
44 struct perf_sample *sample, struct event_key *key) in mmio_event_begin() argument
52 evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) { in mmio_event_begin()
53 mmio_event_get_key(evsel, sample, key); in mmio_event_begin()
60 static bool mmio_event_end(struct evsel *evsel, struct perf_sample *sample, in mmio_event_end() argument
69 evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) { in mmio_event_end()
70 mmio_event_get_key(evsel, sample, key); in mmio_event_end()
95 struct perf_sample *sample, in ioport_event_get_key() argument
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| /linux/net/netfilter/ |
| H A D | xt_rateest.c | 18 struct gnet_stats_rate_est64 sample = {0}; in xt_rateest_mt() local
22 gen_estimator_read(&info->est1->rate_est, &sample); in xt_rateest_mt()
25 bps1 = info->bps1 >= sample.bps ? info->bps1 - sample.bps : 0; in xt_rateest_mt()
26 pps1 = info->pps1 >= sample.pps ? info->pps1 - sample.pps : 0; in xt_rateest_mt()
28 bps1 = sample.bps; in xt_rateest_mt()
29 pps1 = sample.pps; in xt_rateest_mt()
36 gen_estimator_read(&info->est2->rate_est, &sample); in xt_rateest_mt()
39 bps2 = info->bps2 >= sample.bps ? info->bps2 - sample.bps : 0; in xt_rateest_mt()
40 pps2 = info->pps2 >= sample.pps ? info->pps2 - sample.pps : 0; in xt_rateest_mt()
42 bps2 = sample.bps; in xt_rateest_mt()
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| /linux/tools/testing/selftests/rust/ |
| H A D | test_probe_samples.sh | 23 for sample in "${rust_sample_modules[@]}"; do
24 if ! /sbin/modprobe -n -q "$sample"; then
25 ktap_skip_all "module $sample is not found in /lib/modules/$(uname -r)"
32 for sample in "${rust_sample_modules[@]}"; do
33 if /sbin/modprobe -q "$sample"; then
34 /sbin/modprobe -q -r "$sample"
35 ktap_test_pass "$sample"
37 ktap_test_fail "$sample"
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| /linux/tools/perf/util/scripting-engines/ |
| H A D | trace-event-python.c | 391 static PyObject *python_process_callchain(struct perf_sample *sample, in python_process_callchain() argument
402 if (!symbol_conf.use_callchain || !sample->callchain) in python_process_callchain()
407 sample, NULL, NULL, in python_process_callchain()
483 static PyObject *python_process_brstack(struct perf_sample *sample, in python_process_brstack() argument
486 struct branch_stack *br = sample->branch_stack; in python_process_brstack()
487 struct branch_entry *entries = perf_sample__branch_entries(sample); in python_process_brstack()
523 thread__find_map_fb(thread, sample->cpumode, in python_process_brstack()
529 thread__find_map_fb(thread, sample->cpumode, in python_process_brstack()
571 static PyObject *python_process_brstacksym(struct perf_sample *sample, in python_process_brstacksym() argument
574 struct branch_stack *br = sample->branch_stack; in python_process_brstacksym()
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| /linux/samples/qmi/ |
| H A D | qmi_sample_client.c | 456 struct qmi_sample *sample; in qmi_sample_probe() local
460 sample = devm_kzalloc(&pdev->dev, sizeof(*sample), GFP_KERNEL); in qmi_sample_probe()
461 if (!sample) in qmi_sample_probe()
464 ret = qmi_handle_init(&sample->qmi, TEST_DATA_REQ_MAX_MSG_LEN_V01, in qmi_sample_probe()
471 ret = kernel_connect(sample->qmi.sock, (struct sockaddr_unsized *)sq, in qmi_sample_probe()
480 sample->de_dir = debugfs_create_dir(path, qmi_debug_dir); in qmi_sample_probe()
481 if (IS_ERR(sample->de_dir)) { in qmi_sample_probe()
482 ret = PTR_ERR(sample->de_dir); in qmi_sample_probe()
486 sample in qmi_sample_probe()
516 struct qmi_sample *sample = platform_get_drvdata(pdev); qmi_sample_remove() local
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| /linux/tools/perf/dlfilters/ |
| H A D | dlfilter-show-cycles.c | 80 int filter_event_early(void *data, const struct perf_dlfilter_sample *sample, void *ctx) in filter_event_early() argument
82 __s32 cpu = sample->cpu; in filter_event_early()
83 __s32 tid = sample->tid; in filter_event_early()
86 if (!sample->cyc_cnt) in filter_event_early()
89 pos = event_entry(sample->event); in filter_event_early()
92 cycles[cpu][pos] += sample->cyc_cnt; in filter_event_early()
94 add_entry(tid, pos, sample->cyc_cnt); in filter_event_early()
106 int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx) in filter_event() argument
108 __s32 cpu = sample->cpu; in filter_event()
109 __s32 tid = sample->tid; in filter_event()
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| /linux/samples/ |
| H A D | Kconfig | 5 You can build and test sample kernel code here.
10 bool "auxdisplay sample"
57 tristate "Build sample module for kernel access to Ftrace instances"
67 different kobject sample modules showing how to use kobjects,
101 different kfifo sample modules showing how to use the
114 tristate "Build qmi client sample -- loadable modules only"
120 Build an QMI client sample driver, which demonstrates how to
124 tristate "Build rpmsg client sample -- loadable modules only"
127 Build an rpmsg client sample driver, which demonstrates how
135 Build sample live patch demonstrations.
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