| /kernel/trace/ |
| D | ring_buffer.c | 279 #define for_each_buffer_cpu(buffer, cpu) \ argument
280 for_each_cpu(cpu, buffer->cpumask)
282 #define for_each_online_buffer_cpu(buffer, cpu) \ argument
283 for_each_cpu_and(cpu, buffer->cpumask, cpu_online_mask)
498 struct trace_buffer *buffer; member
767 size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu) in ring_buffer_nr_pages() argument
769 return buffer->buffers[cpu]->nr_pages; in ring_buffer_nr_pages()
779 size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu) in ring_buffer_nr_dirty_pages() argument
785 read = local_read(&buffer->buffers[cpu]->pages_read); in ring_buffer_nr_dirty_pages()
786 lost = local_read(&buffer->buffers[cpu]->pages_lost); in ring_buffer_nr_dirty_pages()
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| D | trace.c | 180 struct trace_buffer *buffer,
498 struct trace_buffer *buffer, in call_filter_check_discard() argument
503 __trace_event_discard_commit(buffer, event); in call_filter_check_discard()
737 if (kstrtoul(parser.buffer, 0, &val)) in trace_pid_write()
774 if (!buf->buffer) in buffer_ftrace_now()
777 ts = ring_buffer_time_stamp(buf->buffer, cpu); in buffer_ftrace_now()
778 ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts); in buffer_ftrace_now()
913 static void __ftrace_trace_stack(struct trace_buffer *buffer,
917 struct trace_buffer *buffer,
922 static inline void __ftrace_trace_stack(struct trace_buffer *buffer, in __ftrace_trace_stack() argument
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| D | ring_buffer_benchmark.c | 32 static struct trace_buffer *buffer; variable
91 event = ring_buffer_consume(buffer, cpu, &ts, NULL); in read_event()
116 bpage = ring_buffer_alloc_read_page(buffer, cpu); in read_page()
120 ret = ring_buffer_read_page(buffer, &bpage, PAGE_SIZE, cpu, 1); in read_page()
175 ring_buffer_free_read_page(buffer, cpu, bpage); in read_page()
254 event = ring_buffer_lock_reserve(buffer, 10); in ring_buffer_producer()
261 ring_buffer_unlock_commit(buffer, event); in ring_buffer_producer()
299 entries = ring_buffer_entries(buffer); in ring_buffer_producer()
300 overruns = ring_buffer_overruns(buffer); in ring_buffer_producer()
404 ring_buffer_reset(buffer); in ring_buffer_producer_thread()
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| D | trace_mmiotrace.c | 125 unsigned long over = ring_buffer_overruns(iter->array_buffer->buffer); in count_overruns()
300 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_mmiotrace_rw() local
305 event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW, in __trace_mmiotrace_rw()
314 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_mmiotrace_rw()
315 trace_buffer_unlock_commit(tr, buffer, event, 0, pc); in __trace_mmiotrace_rw()
330 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_mmiotrace_map() local
335 event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP, in __trace_mmiotrace_map()
344 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_mmiotrace_map()
345 trace_buffer_unlock_commit(tr, buffer, event, 0, pc); in __trace_mmiotrace_map()
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| D | trace.h | 196 struct trace_buffer *buffer; member
748 trace_buffer_lock_reserve(struct trace_buffer *buffer,
760 void trace_buffer_unlock_commit_nostack(struct trace_buffer *buffer,
922 int trace_array_printk_buf(struct trace_buffer *buffer,
1264 char *buffer; member
1453 struct trace_buffer *buffer,
1457 struct trace_buffer *buffer,
1463 struct trace_buffer *buffer, in trace_buffer_unlock_commit() argument
1467 trace_buffer_unlock_commit_regs(tr, buffer, event, flags, pc, NULL); in trace_buffer_unlock_commit()
1476 __trace_event_discard_commit(struct trace_buffer *buffer, in __trace_event_discard_commit() argument
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| D | trace_sched_wakeup.c | 383 struct trace_buffer *buffer = tr->array_buffer.buffer; in tracing_sched_switch_trace() local
387 event = trace_buffer_lock_reserve(buffer, TRACE_CTX, in tracing_sched_switch_trace()
400 if (!call_filter_check_discard(call, entry, buffer, event)) in tracing_sched_switch_trace()
401 trace_buffer_unlock_commit(tr, buffer, event, flags, pc); in tracing_sched_switch_trace()
413 struct trace_buffer *buffer = tr->array_buffer.buffer; in tracing_sched_wakeup_trace() local
415 event = trace_buffer_lock_reserve(buffer, TRACE_WAKE, in tracing_sched_wakeup_trace()
428 if (!call_filter_check_discard(call, entry, buffer, event)) in tracing_sched_wakeup_trace()
429 trace_buffer_unlock_commit(tr, buffer, event, flags, pc); in tracing_sched_wakeup_trace()
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| D | trace_branch.c | 35 struct trace_buffer *buffer; in probe_likely_condition() local
63 buffer = tr->array_buffer.buffer; in probe_likely_condition()
64 event = trace_buffer_lock_reserve(buffer, TRACE_BRANCH, in probe_likely_condition()
85 if (!call_filter_check_discard(call, entry, buffer, event)) in probe_likely_condition()
86 trace_buffer_unlock_commit_nostack(buffer, event); in probe_likely_condition()
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| D | trace_syscalls.c | 300 struct trace_buffer *buffer; in ftrace_syscall_enter() local
328 buffer = tr->array_buffer.buffer; in ftrace_syscall_enter()
329 event = trace_buffer_lock_reserve(buffer, in ftrace_syscall_enter()
339 event_trigger_unlock_commit(trace_file, buffer, event, entry, in ftrace_syscall_enter()
350 struct trace_buffer *buffer; in ftrace_syscall_exit() local
374 buffer = tr->array_buffer.buffer; in ftrace_syscall_exit()
375 event = trace_buffer_lock_reserve(buffer, in ftrace_syscall_exit()
385 event_trigger_unlock_commit(trace_file, buffer, event, entry, in ftrace_syscall_exit()
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| D | trace_functions_graph.c | 104 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_graph_entry() local
107 event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_ENT, in __trace_graph_entry()
113 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_graph_entry()
114 trace_buffer_unlock_commit_nostack(buffer, event); in __trace_graph_entry()
224 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_graph_return() local
227 event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_RET, in __trace_graph_return()
233 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_graph_return()
234 trace_buffer_unlock_commit_nostack(buffer, event); in __trace_graph_return()
447 ring_buffer_consume(iter->array_buffer->buffer, iter->cpu, in get_return_for_leaf()
449 event = ring_buffer_peek(iter->array_buffer->buffer, iter->cpu, in get_return_for_leaf()
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| D | trace_events_synth.c | 438 struct trace_buffer *buffer; in trace_event_raw_event_synth() local
465 buffer = trace_file->tr->array_buffer.buffer; in trace_event_raw_event_synth()
466 ring_buffer_nest_start(buffer); in trace_event_raw_event_synth()
509 ring_buffer_nest_end(buffer); in trace_event_raw_event_synth()
649 if (s.buffer[s.len - 1] == ';') in parse_synth_field()
655 s.buffer[s.len] = '\0'; in parse_synth_field()
677 s.buffer[s.len] = '\0'; in parse_synth_field()
1403 ret = trace_run_command(cmd->seq.buffer, create_or_delete_synth_event); in synth_event_run_command()
1476 trace_state->buffer = file->tr->array_buffer.buffer; in __synth_event_trace_start()
1477 ring_buffer_nest_start(trace_state->buffer); in __synth_event_trace_start()
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| D | trace_hwlat.c | 108 struct trace_buffer *buffer = tr->array_buffer.buffer; in trace_hwlat_sample() local
117 event = trace_buffer_lock_reserve(buffer, TRACE_HWLAT, sizeof(*entry), in trace_hwlat_sample()
130 if (!call_filter_check_discard(call, entry, buffer, event)) in trace_hwlat_sample()
131 trace_buffer_unlock_commit_nostack(buffer, event); in trace_hwlat_sample()
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| /kernel/ |
| D | sysctl-test.c | 39 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_null_tbl_data() local
50 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
59 KUNIT_PROC_WRITE, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
85 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_table_maxlen_unset() local
96 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_table_maxlen_unset()
105 KUNIT_PROC_WRITE, buffer, &len, in sysctl_test_api_dointvec_table_maxlen_unset()
128 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_table_len_is_zero() local
136 KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer, in sysctl_test_api_dointvec_table_len_is_zero()
140 KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE, buffer, in sysctl_test_api_dointvec_table_len_is_zero()
162 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_table_read_but_position_set() local
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| D | sysctl.c | 204 void *buffer, size_t *lenp, loff_t *ppos) in bpf_stats_handler() argument
222 ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); in bpf_stats_handler()
239 void *buffer, size_t *lenp, loff_t *ppos) in bpf_unpriv_handler() argument
249 ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); in bpf_unpriv_handler()
269 char *buffer, size_t *lenp, loff_t *ppos) in _proc_do_string() argument
295 p = buffer; in _proc_do_string()
296 while ((p - buffer) < *lenp && len < maxlen - 1) { in _proc_do_string()
319 memcpy(buffer, data, len); in _proc_do_string()
321 buffer[len] = '\n'; in _proc_do_string()
382 void *buffer, size_t *lenp, loff_t *ppos) in proc_dostring() argument
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| D | watchdog.c | 654 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog_common() argument
666 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); in proc_watchdog_common()
669 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); in proc_watchdog_common()
681 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog() argument
684 table, write, buffer, lenp, ppos); in proc_watchdog()
691 void *buffer, size_t *lenp, loff_t *ppos) in proc_nmi_watchdog() argument
696 table, write, buffer, lenp, ppos); in proc_nmi_watchdog()
703 void *buffer, size_t *lenp, loff_t *ppos) in proc_soft_watchdog() argument
706 table, write, buffer, lenp, ppos); in proc_soft_watchdog()
713 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog_thresh() argument
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| D | kallsyms.c | 399 static int __sprint_symbol(char *buffer, unsigned long address, in __sprint_symbol() argument
408 name = kallsyms_lookup(address, &size, &offset, &modname, buffer); in __sprint_symbol()
410 return sprintf(buffer, "0x%lx", address - symbol_offset); in __sprint_symbol()
412 if (name != buffer) in __sprint_symbol()
413 strcpy(buffer, name); in __sprint_symbol()
414 len = strlen(buffer); in __sprint_symbol()
418 len += sprintf(buffer + len, "+%#lx/%#lx", offset, size); in __sprint_symbol()
421 len += sprintf(buffer + len, " [%s]", modname); in __sprint_symbol()
437 int sprint_symbol(char *buffer, unsigned long address) in sprint_symbol() argument
439 return __sprint_symbol(buffer, address, 0, 1); in sprint_symbol()
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| D | reboot.c | 317 char buffer[256]; in SYSCALL_DEFINE4() local
372 ret = strncpy_from_user(&buffer[0], arg, sizeof(buffer) - 1); in SYSCALL_DEFINE4()
377 buffer[sizeof(buffer) - 1] = '\0'; in SYSCALL_DEFINE4()
379 kernel_restart(buffer); in SYSCALL_DEFINE4()
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| D | params.c | 222 int param_get_##name(char *buffer, const struct kernel_param *kp) \
224 return scnprintf(buffer, PAGE_SIZE, format "\n", \
269 int param_get_charp(char *buffer, const struct kernel_param *kp) in param_get_charp() argument
271 return scnprintf(buffer, PAGE_SIZE, "%s\n", *((char **)kp->arg)); in param_get_charp()
299 int param_get_bool(char *buffer, const struct kernel_param *kp) in param_get_bool() argument
302 return sprintf(buffer, "%c\n", *(bool *)kp->arg ? 'Y' : 'N'); in param_get_bool()
359 int param_get_invbool(char *buffer, const struct kernel_param *kp) in param_get_invbool() argument
361 return sprintf(buffer, "%c\n", (*(bool *)kp->arg) ? 'N' : 'Y'); in param_get_invbool()
454 static int param_array_get(char *buffer, const struct kernel_param *kp) in param_array_get() argument
463 buffer[off - 1] = ','; in param_array_get()
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| /kernel/debug/kdb/ |
| D | kdb_io.c | 35 static int kgdb_transition_check(char *buffer) in kgdb_transition_check() argument
37 if (buffer[0] != '+' && buffer[0] != '$') { in kgdb_transition_check()
39 kdb_printf("%s", buffer); in kgdb_transition_check()
41 int slen = strlen(buffer); in kgdb_transition_check()
42 if (slen > 3 && buffer[slen - 3] == '#') { in kgdb_transition_check()
43 kdb_gdb_state_pass(buffer); in kgdb_transition_check()
44 strcpy(buffer, "kgdb"); in kgdb_transition_check()
196 static char *kdb_read(char *buffer, size_t bufsize) in kdb_read() argument
198 char *cp = buffer; in kdb_read()
199 char *bufend = buffer+bufsize-2; /* Reserve space for newline in kdb_read()
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| /kernel/gcov/ |
| D | gcc_4_7.c | 391 void *buffer; member
407 static size_t store_gcov_u32(void *buffer, size_t off, u32 v) in store_gcov_u32() argument
411 if (buffer) { in store_gcov_u32()
412 data = buffer + off; in store_gcov_u32()
431 static size_t store_gcov_u64(void *buffer, size_t off, u64 v) in store_gcov_u64() argument
435 if (buffer) { in store_gcov_u64()
436 data = buffer + off; in store_gcov_u64()
452 static size_t convert_to_gcda(char *buffer, struct gcov_info *info) in convert_to_gcda() argument
462 pos += store_gcov_u32(buffer, pos, GCOV_DATA_MAGIC); in convert_to_gcda()
463 pos += store_gcov_u32(buffer, pos, info->version); in convert_to_gcda()
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| D | clang.c | 465 void *buffer; member
481 static size_t store_gcov_u32(void *buffer, size_t off, u32 v) in store_gcov_u32() argument
485 if (buffer) { in store_gcov_u32()
486 data = buffer + off; in store_gcov_u32()
505 static size_t store_gcov_u64(void *buffer, size_t off, u64 v) in store_gcov_u64() argument
509 if (buffer) { in store_gcov_u64()
510 data = buffer + off; in store_gcov_u64()
526 static size_t convert_to_gcda(char *buffer, struct gcov_info *info) in convert_to_gcda() argument
532 pos += store_gcov_u32(buffer, pos, GCOV_DATA_MAGIC); in convert_to_gcda()
533 pos += store_gcov_u32(buffer, pos, info->version); in convert_to_gcda()
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| /kernel/power/ |
| D | snapshot.c | 133 static void *buffer; variable
1391 safe_copy_page(buffer, s_page); in copy_data_page()
1393 copy_page(dst, buffer); in copy_data_page()
1504 buffer = NULL; in swsusp_free()
1901 buffer = get_image_page(GFP_ATOMIC, safe_needed); in get_highmem_buffer()
1902 return buffer ? 0 : -ENOMEM; in get_highmem_buffer()
2099 if (!buffer) { in snapshot_read_next()
2101 buffer = get_image_page(GFP_ATOMIC, PG_ANY); in snapshot_read_next()
2102 if (!buffer) in snapshot_read_next()
2108 error = init_header((struct swsusp_info *)buffer); in snapshot_read_next()
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| /kernel/printk/ |
| D | printk_safe.c | 42 unsigned char buffer[SAFE_LOG_BUF_LEN]; member
82 if (len >= sizeof(s->buffer) - 1) { in printk_safe_log_store()
96 add = vscnprintf(s->buffer + len, sizeof(s->buffer) - len, fmt, ap); in printk_safe_log_store()
210 if ((i && i >= len) || len > sizeof(s->buffer)) { in __printk_safe_flush()
222 i += printk_safe_flush_buffer(s->buffer + i, len - i); in __printk_safe_flush()
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| /kernel/irq/ |
| D | timings.c | 317 static int irq_timings_next_event_index(int *buffer, size_t len, int period_max) in irq_timings_next_event_index() argument
325 buffer = &buffer[len - (period_max * 3)]; in irq_timings_next_event_index()
354 while (!memcmp(buffer, &buffer[idx], size * sizeof(int))) { in irq_timings_next_event_index()
367 return buffer[len % period]; in irq_timings_next_event_index()
715 int buffer[IRQ_TIMINGS_SIZE]; in irq_timings_test_next_index() local
742 buffer[i] = _buffer[index]; in irq_timings_test_next_index()
745 index = irq_timings_next_event_index(buffer, count, period_max); in irq_timings_test_next_index()
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| D | proc.c | 138 const char __user *buffer, size_t count, loff_t *pos) in write_irq_affinity() argument
151 err = cpumask_parselist_user(buffer, count, new_value); in write_irq_affinity()
153 err = cpumask_parse_user(buffer, count, new_value); in write_irq_affinity()
180 const char __user *buffer, size_t count, loff_t *pos) in irq_affinity_proc_write() argument
182 return write_irq_affinity(0, file, buffer, count, pos); in irq_affinity_proc_write()
186 const char __user *buffer, size_t count, loff_t *pos) in irq_affinity_list_proc_write() argument
188 return write_irq_affinity(1, file, buffer, count, pos); in irq_affinity_list_proc_write()
236 const char __user *buffer, size_t count, loff_t *ppos) in default_affinity_write() argument
244 err = cpumask_parse_user(buffer, count, new_value); in default_affinity_write()
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| /kernel/debug/ |
| D | gdbstub.c | 91 static void get_packet(char *buffer) in get_packet() argument
120 buffer[count] = ch; in get_packet()
137 buffer[count] = 0; in get_packet()
145 static void put_packet(char *buffer) in put_packet() argument
159 while ((ch = buffer[count])) { in put_packet()
1129 unsigned char checksum, ch, buffer[3]; in gdbstub_exit() local
1139 buffer[0] = 'W'; in gdbstub_exit()
1140 buffer[1] = hex_asc_hi(status); in gdbstub_exit()
1141 buffer[2] = hex_asc_lo(status); in gdbstub_exit()
1147 ch = buffer[loop]; in gdbstub_exit()
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