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Searched refs:buffer (Results 1 – 25 of 73) sorted by relevance

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/kernel/trace/
Dring_buffer.c272 #define for_each_buffer_cpu(buffer, cpu) \ argument
273 for_each_cpu(cpu, buffer->cpumask)
275 #define for_each_online_buffer_cpu(buffer, cpu) \ argument
276 for_each_cpu_and(cpu, buffer->cpumask, cpu_online_mask)
462 struct trace_buffer *buffer; member
684 static inline bool has_ext_writer(struct trace_buffer *buffer) in has_ext_writer() argument
686 return !!buffer->ext_cb; in has_ext_writer()
691 return has_ext_writer(cpu_buffer->buffer); in rb_has_ext_writer()
754 static inline u64 rb_time_stamp(struct trace_buffer *buffer);
773 u64 ring_buffer_event_time_stamp(struct trace_buffer *buffer, in ring_buffer_event_time_stamp() argument
[all …]
Dtrace.c182 struct trace_buffer *buffer,
519 struct trace_buffer *buffer, in call_filter_check_discard() argument
524 __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); 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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Dring_buffer_benchmark.c32 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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Dtrace_osnoise.c455 struct trace_buffer *buffer; \
459 buffer = inst->tr->array_buffer.buffer; \
460 trace_array_printk_buf(buffer, _THIS_IP_, msg); \
470 __trace_osnoise_sample(struct osnoise_sample *sample, struct trace_buffer *buffer) in __trace_osnoise_sample() argument
476 event = trace_buffer_lock_reserve(buffer, TRACE_OSNOISE, sizeof(*entry), in __trace_osnoise_sample()
490 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_osnoise_sample()
491 trace_buffer_unlock_commit_nostack(buffer, event); in __trace_osnoise_sample()
500 struct trace_buffer *buffer; in trace_osnoise_sample() local
504 buffer = inst->tr->array_buffer.buffer; in trace_osnoise_sample()
505 __trace_osnoise_sample(sample, buffer); in trace_osnoise_sample()
[all …]
Dtrace_mmiotrace.c123 unsigned long over = ring_buffer_overruns(iter->array_buffer->buffer); in count_overruns()
298 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_mmiotrace_rw() local
304 event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW, in __trace_mmiotrace_rw()
313 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_mmiotrace_rw()
314 trace_buffer_unlock_commit(tr, buffer, event, trace_ctx); in __trace_mmiotrace_rw()
329 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, trace_ctx); in __trace_mmiotrace_map()
Dtrace_events_hist.c88 struct trace_buffer *buffer,
203 struct trace_buffer *buffer,
209 struct trace_buffer *buffer, in hist_field_const() argument
218 struct trace_buffer *buffer, in hist_field_counter() argument
227 struct trace_buffer *buffer, in hist_field_string() argument
238 struct trace_buffer *buffer, in hist_field_dynstring() argument
251 struct trace_buffer *buffer, in hist_field_reldynstring() argument
265 struct trace_buffer *buffer, in hist_field_pstring() argument
276 struct trace_buffer *buffer, in hist_field_log2() argument
282 u64 val = hist_fn_call(operand, elt, buffer, rbe, event); in hist_field_log2()
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Dtrace_sched_wakeup.c380 struct trace_buffer *buffer = tr->array_buffer.buffer; in tracing_sched_switch_trace() local
384 event = trace_buffer_lock_reserve(buffer, TRACE_CTX, in tracing_sched_switch_trace()
397 if (!call_filter_check_discard(call, entry, buffer, event)) in tracing_sched_switch_trace()
398 trace_buffer_unlock_commit(tr, buffer, event, trace_ctx); in tracing_sched_switch_trace()
410 struct trace_buffer *buffer = tr->array_buffer.buffer; in tracing_sched_wakeup_trace() local
412 event = trace_buffer_lock_reserve(buffer, TRACE_WAKE, in tracing_sched_wakeup_trace()
425 if (!call_filter_check_discard(call, entry, buffer, event)) in tracing_sched_wakeup_trace()
426 trace_buffer_unlock_commit(tr, buffer, event, trace_ctx); in tracing_sched_wakeup_trace()
Dtrace.h191 struct trace_buffer *buffer; member
405 extern u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_event *rbe);
609 trace_buffer_lock_reserve(struct trace_buffer *buffer,
620 void trace_buffer_unlock_commit_nostack(struct trace_buffer *buffer,
788 int trace_array_printk_buf(struct trace_buffer *buffer,
1130 char *buffer; member
1321 struct trace_buffer *buffer,
1325 struct trace_buffer *buffer,
1331 struct trace_buffer *buffer, in trace_buffer_unlock_commit() argument
1335 trace_buffer_unlock_commit_regs(tr, buffer, event, trace_ctx, NULL); in trace_buffer_unlock_commit()
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Dtrace_branch.c35 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()
Dtrace_events_trigger.c57 struct trace_buffer *buffer, void *rec, in event_triggers_call() argument
71 data->ops->trigger(data, buffer, rec, event); in event_triggers_call()
81 data->ops->trigger(data, buffer, rec, event); in event_triggers_call()
1252 struct trace_buffer *buffer, void *rec, in traceon_trigger() argument
1273 struct trace_buffer *buffer, void *rec, in traceon_count_trigger() argument
1300 struct trace_buffer *buffer, void *rec, in traceoff_trigger() argument
1321 struct trace_buffer *buffer, void *rec, in traceoff_count_trigger() argument
1428 struct trace_buffer *buffer, void *rec, in snapshot_trigger() argument
1441 struct trace_buffer *buffer, void *rec, in snapshot_count_trigger() argument
1450 snapshot_trigger(data, buffer, rec, event); in snapshot_count_trigger()
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Dtrace_functions_graph.c103 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_graph_entry() local
106 event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_ENT, in __trace_graph_entry()
112 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_graph_entry()
113 trace_buffer_unlock_commit_nostack(buffer, event); in __trace_graph_entry()
222 struct trace_buffer *buffer = tr->array_buffer.buffer; in __trace_graph_return() local
225 event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_RET, in __trace_graph_return()
231 if (!call_filter_check_discard(call, entry, buffer, event)) in __trace_graph_return()
232 trace_buffer_unlock_commit_nostack(buffer, event); in __trace_graph_return()
445 ring_buffer_consume(iter->array_buffer->buffer, iter->cpu, in get_return_for_leaf()
447 event = ring_buffer_peek(iter->array_buffer->buffer, iter->cpu, in get_return_for_leaf()
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/kernel/
Dsysctl-test.c36 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_null_tbl_data() local
47 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
56 KUNIT_PROC_WRITE, buffer, &len, in sysctl_test_api_dointvec_null_tbl_data()
82 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_table_maxlen_unset() local
93 KUNIT_PROC_READ, buffer, &len, in sysctl_test_api_dointvec_table_maxlen_unset()
102 KUNIT_PROC_WRITE, buffer, &len, in sysctl_test_api_dointvec_table_maxlen_unset()
125 void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int), in sysctl_test_api_dointvec_table_len_is_zero() local
133 KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer, in sysctl_test_api_dointvec_table_len_is_zero()
137 KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE, buffer, in sysctl_test_api_dointvec_table_len_is_zero()
159 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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Dsysctl.c148 char *buffer, size_t *lenp, loff_t *ppos) in _proc_do_string() argument
174 p = buffer; in _proc_do_string()
175 while ((p - buffer) < *lenp && len < maxlen - 1) { in _proc_do_string()
198 memcpy(buffer, data, len); in _proc_do_string()
200 buffer[len] = '\n'; in _proc_do_string()
261 void *buffer, size_t *lenp, loff_t *ppos) in proc_dostring() argument
266 return _proc_do_string(table->data, table->maxlen, write, buffer, lenp, in proc_dostring()
419 char **buffer = (char **)buf; in proc_put_char() local
420 **buffer = c; in proc_put_char()
423 (*buffer)++; in proc_put_char()
[all …]
Dkallsyms.c513 static int __sprint_symbol(char *buffer, unsigned long address, in __sprint_symbol() argument
524 buffer); in __sprint_symbol()
526 return sprintf(buffer, "0x%lx", address - symbol_offset); in __sprint_symbol()
528 if (name != buffer) in __sprint_symbol()
529 strcpy(buffer, name); in __sprint_symbol()
530 len = strlen(buffer); in __sprint_symbol()
534 len += sprintf(buffer + len, "+%#lx/%#lx", offset, size); in __sprint_symbol()
537 len += sprintf(buffer + len, " [%s", modname); in __sprint_symbol()
544 len += sprintf(buffer + len, " %20phN", buildid); in __sprint_symbol()
547 len += sprintf(buffer + len, "]"); in __sprint_symbol()
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Dwatchdog.c669 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog_common() argument
681 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); in proc_watchdog_common()
684 err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); in proc_watchdog_common()
696 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog() argument
699 table, write, buffer, lenp, ppos); in proc_watchdog()
706 void *buffer, size_t *lenp, loff_t *ppos) in proc_nmi_watchdog() argument
711 table, write, buffer, lenp, ppos); in proc_nmi_watchdog()
718 void *buffer, size_t *lenp, loff_t *ppos) in proc_soft_watchdog() argument
721 table, write, buffer, lenp, ppos); in proc_soft_watchdog()
728 void *buffer, size_t *lenp, loff_t *ppos) in proc_watchdog_thresh() argument
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Dparams.c222 int param_get_##name(char *buffer, const struct kernel_param *kp) \
224 return scnprintf(buffer, PAGE_SIZE, format "\n", \
287 int param_get_charp(char *buffer, const struct kernel_param *kp) in param_get_charp() argument
289 return scnprintf(buffer, PAGE_SIZE, "%s\n", *((char **)kp->arg)); in param_get_charp()
317 int param_get_bool(char *buffer, const struct kernel_param *kp) in param_get_bool() argument
320 return sprintf(buffer, "%c\n", *(bool *)kp->arg ? 'Y' : 'N'); in param_get_bool()
377 int param_get_invbool(char *buffer, const struct kernel_param *kp) in param_get_invbool() argument
379 return sprintf(buffer, "%c\n", (*(bool *)kp->arg) ? 'N' : 'Y'); in param_get_invbool()
472 static int param_array_get(char *buffer, const struct kernel_param *kp) in param_array_get() argument
481 buffer[off - 1] = ','; in param_array_get()
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/kernel/debug/kdb/
Dkdb_io.c34 static int kgdb_transition_check(char *buffer) in kgdb_transition_check() argument
36 if (buffer[0] != '+' && buffer[0] != '$') { in kgdb_transition_check()
38 kdb_printf("%s", buffer); in kgdb_transition_check()
40 int slen = strlen(buffer); in kgdb_transition_check()
41 if (slen > 3 && buffer[slen - 3] == '#') { in kgdb_transition_check()
42 kdb_gdb_state_pass(buffer); in kgdb_transition_check()
43 strcpy(buffer, "kgdb"); in kgdb_transition_check()
195 static char *kdb_read(char *buffer, size_t bufsize) in kdb_read() argument
197 char *cp = buffer; in kdb_read()
198 char *bufend = buffer+bufsize-2; /* Reserve space for newline in kdb_read()
[all …]
/kernel/gcov/
Dgcc_4_7.c384 size_t convert_to_gcda(char *buffer, struct gcov_info *info) in convert_to_gcda() argument
394 pos += store_gcov_u32(buffer, pos, GCOV_DATA_MAGIC); in convert_to_gcda()
395 pos += store_gcov_u32(buffer, pos, info->version); in convert_to_gcda()
396 pos += store_gcov_u32(buffer, pos, info->stamp); in convert_to_gcda()
400 pos += store_gcov_u32(buffer, pos, 0); in convert_to_gcda()
407 pos += store_gcov_u32(buffer, pos, GCOV_TAG_FUNCTION); in convert_to_gcda()
408 pos += store_gcov_u32(buffer, pos, in convert_to_gcda()
410 pos += store_gcov_u32(buffer, pos, fi_ptr->ident); in convert_to_gcda()
411 pos += store_gcov_u32(buffer, pos, fi_ptr->lineno_checksum); in convert_to_gcda()
412 pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); in convert_to_gcda()
[all …]
Dclang.c368 size_t convert_to_gcda(char *buffer, struct gcov_info *info) in convert_to_gcda() argument
374 pos += store_gcov_u32(buffer, pos, GCOV_DATA_MAGIC); in convert_to_gcda()
375 pos += store_gcov_u32(buffer, pos, info->version); in convert_to_gcda()
376 pos += store_gcov_u32(buffer, pos, info->checksum); in convert_to_gcda()
381 pos += store_gcov_u32(buffer, pos, GCOV_TAG_FUNCTION); in convert_to_gcda()
382 pos += store_gcov_u32(buffer, pos, 3); in convert_to_gcda()
383 pos += store_gcov_u32(buffer, pos, fi_ptr->ident); in convert_to_gcda()
384 pos += store_gcov_u32(buffer, pos, fi_ptr->checksum); in convert_to_gcda()
385 pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); in convert_to_gcda()
386 pos += store_gcov_u32(buffer, pos, GCOV_TAG_COUNTER_BASE); in convert_to_gcda()
[all …]
Dbase.c63 size_t store_gcov_u32(void *buffer, size_t off, u32 v) in store_gcov_u32() argument
67 if (buffer) { in store_gcov_u32()
68 data = buffer + off; in store_gcov_u32()
87 size_t store_gcov_u64(void *buffer, size_t off, u64 v) in store_gcov_u64() argument
91 if (buffer) { in store_gcov_u64()
92 data = buffer + off; in store_gcov_u64()
Dgcov.h51 size_t convert_to_gcda(char *buffer, struct gcov_info *info);
63 size_t store_gcov_u32(void *buffer, size_t off, u32 v);
64 size_t store_gcov_u64(void *buffer, size_t off, u64 v);
/kernel/power/
Dsnapshot.c167 static void *buffer; variable
1449 zeros_only = safe_copy_page(buffer, s_page); in copy_data_page()
1451 copy_page(dst, buffer); in copy_data_page()
1586 buffer = NULL; in swsusp_free()
1990 buffer = get_image_page(GFP_ATOMIC, safe_needed); in get_highmem_buffer()
1991 return buffer ? 0 : -ENOMEM; in get_highmem_buffer()
2198 if (!buffer) { in snapshot_read_next()
2200 buffer = get_image_page(GFP_ATOMIC, PG_ANY); in snapshot_read_next()
2201 if (!buffer) in snapshot_read_next()
2207 error = init_header((struct swsusp_info *)buffer); in snapshot_read_next()
[all …]
/kernel/irq/
Dtimings.c317 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()
Dproc.c138 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()
/kernel/debug/
Dgdbstub.c88 static void get_packet(char *buffer) in get_packet() argument
117 buffer[count] = ch; in get_packet()
134 buffer[count] = 0; in get_packet()
142 static void put_packet(char *buffer) in put_packet() argument
156 while ((ch = buffer[count])) { in put_packet()
1126 unsigned char checksum, ch, buffer[3]; in gdbstub_exit() local
1136 buffer[0] = 'W'; in gdbstub_exit()
1137 buffer[1] = hex_asc_hi(status); in gdbstub_exit()
1138 buffer[2] = hex_asc_lo(status); in gdbstub_exit()
1144 ch = buffer[loop]; in gdbstub_exit()

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