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Searched refs:buffer (Results 1 – 25 of 31) sorted by relevance

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/kernel/trace/
Dring_buffer.c203 #define for_each_buffer_cpu(buffer, cpu) \ argument
204 for_each_cpu(cpu, buffer->cpumask)
256 struct ring_buffer *buffer; member
292 #define RB_WARN_ON(buffer, cond) \ argument
296 atomic_inc(&buffer->record_disabled); \
369 rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) in rb_allocate_cpu_buffer() argument
382 cpu_buffer->buffer = buffer; in rb_allocate_cpu_buffer()
401 ret = rb_allocate_pages(cpu_buffer, buffer->pages); in rb_allocate_cpu_buffer()
452 struct ring_buffer *buffer; in ring_buffer_alloc() local
462 buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()), in ring_buffer_alloc()
[all …]
Dtrace.c354 ret = vsnprintf(s->buffer + s->len, len, fmt, ap); in trace_seq_printf()
384 memcpy(s->buffer + s->len, str, len); in trace_seq_puts()
396 s->buffer[s->len++] = c; in trace_seq_putc()
407 memcpy(s->buffer + s->len, mem, len); in trace_seq_putmem()
443 p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len);
445 p = mangle_path(s->buffer + s->len, p, "\n");
447 s->len = p - s->buffer;
451 s->buffer[s->len++] = '?';
476 ret = copy_to_user(ubuf, s->buffer + s->readpos, cnt);
489 s->buffer[len] = 0;
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Dtrace_boot.c143 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in trace_boot_call()
151 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in trace_boot_call()
172 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in trace_boot_ret()
180 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in trace_boot_ret()
Dtrace_power.c127 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in trace_power_end()
135 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in trace_power_end()
164 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in trace_power_mark()
172 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in trace_power_mark()
Dtrace_hw_branches.c22 static DEFINE_PER_CPU(unsigned char[SIZEOF_BTS], buffer);
25 #define this_buffer per_cpu(buffer, smp_processor_id())
112 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), &irq); in trace_hw_branch()
121 ring_buffer_unlock_commit(tr->buffer, event, irq); in trace_hw_branch()
Dtrace_mmiotrace.c127 unsigned long over = ring_buffer_overruns(iter->tr->buffer); in count_overruns()
313 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in __trace_mmiotrace_rw()
323 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in __trace_mmiotrace_rw()
343 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in __trace_mmiotrace_map()
353 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in __trace_mmiotrace_map()
Dftrace.c792 unsigned char buffer[FTRACE_BUFF_MAX+1]; member
1175 iter->buffer[iter->buffer_idx++] = ch; in ftrace_regex_write()
1189 iter->buffer[iter->buffer_idx] = 0; in ftrace_regex_write()
1190 ftrace_match(iter->buffer, iter->buffer_idx, enable); in ftrace_regex_write()
1278 iter->buffer[iter->buffer_idx] = 0; in ftrace_regex_release()
1279 ftrace_match(iter->buffer, iter->buffer_idx, enable); in ftrace_regex_release()
1434 ftrace_set_func(unsigned long *array, int idx, char *buffer) in ftrace_set_func() argument
1456 if (strcmp(str, buffer) == 0) { in ftrace_set_func()
1478 unsigned char buffer[FTRACE_BUFF_MAX+1]; in ftrace_graph_write() local
1524 buffer[index++] = ch; in ftrace_graph_write()
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Dtrace_branch.c50 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), in probe_likely_condition()
73 ring_buffer_unlock_commit(tr->buffer, event, irq_flags); in probe_likely_condition()
Dtrace_stack.c304 struct file *file, void __user *buffer, size_t *lenp, in stack_trace_sysctl() argument
311 ret = proc_dointvec(table, write, file, buffer, lenp, ppos); in stack_trace_sysctl()
Dtrace_selftest.c28 while ((event = ring_buffer_consume(tr->buffer, cpu, NULL))) { in trace_test_buffer_cpu()
68 cnt = ring_buffer_entries(tr->buffer); in trace_test_buffer()
Dtrace.h226 struct ring_buffer *buffer; member
346 unsigned char buffer[PAGE_SIZE]; member
/kernel/
Dkfifo.c39 struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size, in kfifo_init() argument
51 fifo->buffer = buffer; in kfifo_init()
70 unsigned char *buffer; in kfifo_alloc() local
82 buffer = kmalloc(size, gfp_mask); in kfifo_alloc()
83 if (!buffer) in kfifo_alloc()
86 ret = kfifo_init(buffer, size, gfp_mask, lock); in kfifo_alloc()
89 kfree(buffer); in kfifo_alloc()
101 kfree(fifo->buffer); in kfifo_free()
120 unsigned char *buffer, unsigned int len) in __kfifo_put() argument
135 memcpy(fifo->buffer + (fifo->in & (fifo->size - 1)), buffer, l); in __kfifo_put()
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Dkallsyms.c302 int sprint_symbol(char *buffer, unsigned long address) in sprint_symbol() argument
309 name = kallsyms_lookup(address, &size, &offset, &modname, buffer); in sprint_symbol()
311 return sprintf(buffer, "0x%lx", address); in sprint_symbol()
313 if (name != buffer) in sprint_symbol()
314 strcpy(buffer, name); in sprint_symbol()
315 len = strlen(buffer); in sprint_symbol()
316 buffer += len; in sprint_symbol()
319 len += sprintf(buffer, "+%#lx/%#lx [%s]", in sprint_symbol()
322 len += sprintf(buffer, "+%#lx/%#lx", offset, size); in sprint_symbol()
330 char buffer[KSYM_SYMBOL_LEN]; in __print_symbol() local
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Dparams.c193 int param_get_##name(char *buffer, struct kernel_param *kp) \
195 return sprintf(buffer, format, *((type *)kp->arg)); \
224 int param_get_charp(char *buffer, struct kernel_param *kp) in param_get_charp() argument
226 return sprintf(buffer, "%s", *((char **)kp->arg)); in param_get_charp()
246 int param_get_bool(char *buffer, struct kernel_param *kp) in param_get_bool() argument
249 return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'Y' : 'N'); in param_get_bool()
264 int param_get_invbool(char *buffer, struct kernel_param *kp) in param_get_invbool() argument
266 return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'N' : 'Y'); in param_get_invbool()
332 int param_array_get(char *buffer, struct kernel_param *kp) in param_array_get() argument
341 buffer[off++] = ','; in param_array_get()
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Dsysctl.c158 void __user *buffer, size_t *lenp, loff_t *ppos);
160 void __user *buffer, size_t *lenp, loff_t *ppos);
2098 struct file *filp, void __user *buffer, in _proc_do_string() argument
2112 p = buffer; in _proc_do_string()
2122 if(copy_from_user(data, buffer, len)) in _proc_do_string()
2142 if(copy_to_user(buffer, data, len)) in _proc_do_string()
2145 if(put_user('\n', ((char __user *) buffer) + len)) in _proc_do_string()
2174 void __user *buffer, size_t *lenp, loff_t *ppos) in proc_dostring() argument
2177 buffer, lenp, ppos); in proc_dostring()
2201 int write, struct file *filp, void __user *buffer, in __do_proc_dointvec() argument
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Drcupreempt_trace.c173 static ssize_t rcustats_read(struct file *filp, char __user *buffer, in rcustats_read() argument
205 bcount = simple_read_from_buffer(buffer, count, ppos, in rcustats_read()
211 static ssize_t rcugp_read(struct file *filp, char __user *buffer, in rcugp_read() argument
221 bcount = simple_read_from_buffer(buffer, count, ppos, in rcugp_read()
227 static ssize_t rcuctrs_read(struct file *filp, char __user *buffer, in rcuctrs_read() argument
258 bcount = simple_read_from_buffer(buffer, count, ppos, in rcuctrs_read()
Dcgroup_freezer.c343 const char *buffer) in freezer_write() argument
348 if (strcmp(buffer, freezer_state_strs[CGROUP_THAWED]) == 0) in freezer_write()
350 else if (strcmp(buffer, freezer_state_strs[CGROUP_FROZEN]) == 0) in freezer_write()
Dutsname_sysctl.c46 void __user *buffer, size_t *lenp, loff_t *ppos) in proc_do_uts_string() argument
52 r = proc_dostring(&uts_table,write,filp,buffer,lenp, ppos); in proc_do_uts_string()
Dcgroup.c1360 const char *buffer) in cgroup_release_agent_write() argument
1365 strcpy(cgrp->root->release_agent_path, buffer); in cgroup_release_agent_write()
1389 char buffer[CGROUP_LOCAL_BUFFER_SIZE]; in cgroup_write_X64() local
1395 if (nbytes >= sizeof(buffer)) in cgroup_write_X64()
1397 if (copy_from_user(buffer, userbuf, nbytes)) in cgroup_write_X64()
1400 buffer[nbytes] = 0; /* nul-terminate */ in cgroup_write_X64()
1401 strstrip(buffer); in cgroup_write_X64()
1403 u64 val = simple_strtoull(buffer, &end, 0); in cgroup_write_X64()
1408 s64 val = simple_strtoll(buffer, &end, 0); in cgroup_write_X64()
1426 char *buffer = local_buffer; in cgroup_write_string() local
[all …]
Dsoftlockup.c93 struct file *filp, void __user *buffer, in proc_dosoftlockup_thresh() argument
97 return proc_dointvec_minmax(table, write, filp, buffer, lenp, ppos); in proc_dosoftlockup_thresh()
Dkgdb.c257 static void get_packet(char *buffer) in get_packet() argument
286 buffer[count] = ch; in get_packet()
289 buffer[count] = 0; in get_packet()
311 static void put_packet(char *buffer) in put_packet() argument
325 while ((ch = buffer[count])) { in put_packet()
Dsys.c361 char buffer[256]; in SYSCALL_DEFINE4() local
408 if (strncpy_from_user(&buffer[0], arg, sizeof(buffer) - 1) < 0) { in SYSCALL_DEFINE4()
412 buffer[sizeof(buffer) - 1] = '\0'; in SYSCALL_DEFINE4()
414 kernel_restart(buffer); in SYSCALL_DEFINE4()
/kernel/power/
Dsnapshot.c50 static void *buffer; variable
983 safe_copy_page(buffer, s_page); in copy_data_page()
985 memcpy(dst, buffer, PAGE_SIZE); in copy_data_page()
1061 buffer = NULL; in swsusp_free()
1117 buffer = get_image_page(GFP_ATOMIC | __GFP_COLD, safe_needed); in get_highmem_buffer()
1118 return buffer ? 0 : -ENOMEM; in get_highmem_buffer()
1339 if (!buffer) { in snapshot_read_next()
1341 buffer = get_image_page(GFP_ATOMIC, PG_ANY); in snapshot_read_next()
1342 if (!buffer) in snapshot_read_next()
1348 error = init_header((struct swsusp_info *)buffer); in snapshot_read_next()
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Dpower.h112 void *buffer; /* address of the block to read from member
128 #define data_of(handle) ((handle).buffer + (handle).buf_offset)
/kernel/irq/
Dproc.c40 const char __user *buffer, size_t count, loff_t *pos) in irq_affinity_proc_write() argument
53 err = cpumask_parse_user(buffer, count, new_value); in irq_affinity_proc_write()
102 const char __user *buffer, size_t count, loff_t *ppos) in default_affinity_write() argument
110 err = cpumask_parse_user(buffer, count, new_value); in default_affinity_write()

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