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tracing: Use trace_seq_puts()/trace_seq_putc() where possible

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For string without format specifiers, use trace_seq_puts()
or trace_seq_putc().

Link: http://lkml.kernel.org/r/51E3B3AC.1000605@huawei.com

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
[ fixed a trace_seq_putc(s, " ") to trace_seq_putc(s, ' ') ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
zhangwei(Jovi) 2013-07-15 16:32:44 +08:00 committed by Steven Rostedt
parent 991821c86c
commit 146c3442f2
6 changed files with 45 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/trace/ring_buffer.c
View File

@ -36,11 +36,11 @@ int ring_buffer_print_entry_header(struct trace_seq *s)
{
int ret;
ret = trace_seq_printf(s, "# compressed entry header\n");
ret = trace_seq_printf(s, "\ttype_len : 5 bits\n");
ret = trace_seq_printf(s, "\ttime_delta : 27 bits\n");
ret = trace_seq_printf(s, "\tarray : 32 bits\n");
ret = trace_seq_printf(s, "\n");
ret = trace_seq_puts(s, "# compressed entry header\n");
ret = trace_seq_puts(s, "\ttype_len : 5 bits\n");
ret = trace_seq_puts(s, "\ttime_delta : 27 bits\n");
ret = trace_seq_puts(s, "\tarray : 32 bits\n");
ret = trace_seq_putc(s, '\n');
ret = trace_seq_printf(s, "\tpadding : type == %d\n",
RINGBUF_TYPE_PADDING);
ret = trace_seq_printf(s, "\ttime_extend : type == %d\n",

4
kernel/trace/trace_events_filter.c
View File

@ -646,7 +646,7 @@ void print_event_filter(struct ftrace_event_call *call, struct trace_seq *s)
if (filter && filter->filter_string)
trace_seq_printf(s, "%s\n", filter->filter_string);
else
trace_seq_printf(s, "none\n");
trace_seq_puts(s, "none\n");
mutex_unlock(&event_mutex);
}
@ -660,7 +660,7 @@ void print_subsystem_event_filter(struct event_subsystem *system,
if (filter && filter->filter_string)
trace_seq_printf(s, "%s\n", filter->filter_string);
else
trace_seq_printf(s, DEFAULT_SYS_FILTER_MESSAGE "\n");
trace_seq_puts(s, DEFAULT_SYS_FILTER_MESSAGE "\n");
mutex_unlock(&event_mutex);
}

52
kernel/trace/trace_functions_graph.c
View File

@ -446,7 +446,7 @@ print_graph_proc(struct trace_seq *s, pid_t pid)
/* First spaces to align center */
for (i = 0; i < spaces / 2; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -457,7 +457,7 @@ print_graph_proc(struct trace_seq *s, pid_t pid)
/* Last spaces to align center */
for (i = 0; i < spaces - (spaces / 2); i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -503,7 +503,7 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, struct fgraph_data *data)
------------------------------------------
*/
ret = trace_seq_printf(s,
ret = trace_seq_puts(s,
" ------------------------------------------\n");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -516,7 +516,7 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, struct fgraph_data *data)
if (ret == TRACE_TYPE_PARTIAL_LINE)
return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s, " => ");
ret = trace_seq_puts(s, " => ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -524,7 +524,7 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, struct fgraph_data *data)
if (ret == TRACE_TYPE_PARTIAL_LINE)
return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s,
ret = trace_seq_puts(s,
"\n ------------------------------------------\n\n");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -645,7 +645,7 @@ print_graph_irq(struct trace_iterator *iter, unsigned long addr,
ret = print_graph_proc(s, pid);
if (ret == TRACE_TYPE_PARTIAL_LINE)
return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s, " | ");
ret = trace_seq_puts(s, " | ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -657,9 +657,9 @@ print_graph_irq(struct trace_iterator *iter, unsigned long addr,
return ret;
if (type == TRACE_GRAPH_ENT)
ret = trace_seq_printf(s, "==========>");
ret = trace_seq_puts(s, "==========>");
else
ret = trace_seq_printf(s, "<==========");
ret = trace_seq_puts(s, "<==========");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -668,7 +668,7 @@ print_graph_irq(struct trace_iterator *iter, unsigned long addr,
if (ret != TRACE_TYPE_HANDLED)
return ret;
ret = trace_seq_printf(s, "\n");
ret = trace_seq_putc(s, '\n');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -705,13 +705,13 @@ trace_print_graph_duration(unsigned long long duration, struct trace_seq *s)
len += strlen(nsecs_str);
}
ret = trace_seq_printf(s, " us ");
ret = trace_seq_puts(s, " us ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
/* Print remaining spaces to fit the row's width */
for (i = len; i < 7; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -731,13 +731,13 @@ print_graph_duration(unsigned long long duration, struct trace_seq *s,
/* No real adata, just filling the column with spaces */
switch (duration) {
case DURATION_FILL_FULL:
ret = trace_seq_printf(s, " | ");
ret = trace_seq_puts(s, " | ");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
case DURATION_FILL_START:
ret = trace_seq_printf(s, " ");
ret = trace_seq_puts(s, " ");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
case DURATION_FILL_END:
ret = trace_seq_printf(s, " |");
ret = trace_seq_puts(s, " |");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
}
@ -745,10 +745,10 @@ print_graph_duration(unsigned long long duration, struct trace_seq *s,
if (flags & TRACE_GRAPH_PRINT_OVERHEAD) {
/* Duration exceeded 100 msecs */
if (duration > 100000ULL)
ret = trace_seq_printf(s, "! ");
ret = trace_seq_puts(s, "! ");
/* Duration exceeded 10 msecs */
else if (duration > 10000ULL)
ret = trace_seq_printf(s, "+ ");
ret = trace_seq_puts(s, "+ ");
}
/*
@ -757,7 +757,7 @@ print_graph_duration(unsigned long long duration, struct trace_seq *s,
* to fill out the space.
*/
if (ret == -1)
ret = trace_seq_printf(s, " ");
ret = trace_seq_puts(s, " ");
/* Catching here any failure happenned above */
if (!ret)
@ -767,7 +767,7 @@ print_graph_duration(unsigned long long duration, struct trace_seq *s,
if (ret != TRACE_TYPE_HANDLED)
return ret;
ret = trace_seq_printf(s, "| ");
ret = trace_seq_puts(s, "| ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -817,7 +817,7 @@ print_graph_entry_leaf(struct trace_iterator *iter,
/* Function */
for (i = 0; i < call->depth * TRACE_GRAPH_INDENT; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -858,7 +858,7 @@ print_graph_entry_nested(struct trace_iterator *iter,
/* Function */
for (i = 0; i < call->depth * TRACE_GRAPH_INDENT; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -917,7 +917,7 @@ print_graph_prologue(struct trace_iterator *iter, struct trace_seq *s,
if (ret == TRACE_TYPE_PARTIAL_LINE)
return TRACE_TYPE_PARTIAL_LINE;
ret = trace_seq_printf(s, " | ");
ret = trace_seq_puts(s, " | ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -1117,7 +1117,7 @@ print_graph_return(struct ftrace_graph_ret *trace, struct trace_seq *s,
/* Closing brace */
for (i = 0; i < trace->depth * TRACE_GRAPH_INDENT; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
@ -1129,7 +1129,7 @@ print_graph_return(struct ftrace_graph_ret *trace, struct trace_seq *s,
* belongs to, write out the function name.
*/
if (func_match) {
ret = trace_seq_printf(s, "}\n");
ret = trace_seq_puts(s, "}\n");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
} else {
@ -1179,13 +1179,13 @@ print_graph_comment(struct trace_seq *s, struct trace_entry *ent,
/* Indentation */
if (depth > 0)
for (i = 0; i < (depth + 1) * TRACE_GRAPH_INDENT; i++) {
ret = trace_seq_printf(s, " ");
ret = trace_seq_putc(s, ' ');
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
}
/* The comment */
ret = trace_seq_printf(s, "/* ");
ret = trace_seq_puts(s, "/* ");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -1216,7 +1216,7 @@ print_graph_comment(struct trace_seq *s, struct trace_entry *ent,
s->len--;
}
ret = trace_seq_printf(s, " */\n");
ret = trace_seq_puts(s, " */\n");
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;

8
kernel/trace/trace_mmiotrace.c
View File

@ -90,7 +90,7 @@ static int mmio_print_pcidev(struct trace_seq *s, const struct pci_dev *dev)
if (drv)
ret += trace_seq_printf(s, " %s\n", drv->name);
else
ret += trace_seq_printf(s, " \n");
ret += trace_seq_puts(s, " \n");
return ret;
}
@ -107,7 +107,7 @@ static void mmio_pipe_open(struct trace_iterator *iter)
struct header_iter *hiter;
struct trace_seq *s = &iter->seq;
trace_seq_printf(s, "VERSION 20070824\n");
trace_seq_puts(s, "VERSION 20070824\n");
hiter = kzalloc(sizeof(*hiter), GFP_KERNEL);
if (!hiter)
@ -209,7 +209,7 @@ static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
(rw->value >> 0) & 0xff, rw->pc, 0);
break;
default:
ret = trace_seq_printf(s, "rw what?\n");
ret = trace_seq_puts(s, "rw what?\n");
break;
}
if (ret)
@ -245,7 +245,7 @@ static enum print_line_t mmio_print_map(struct trace_iterator *iter)
secs, usec_rem, m->map_id, 0UL, 0);
break;
default:
ret = trace_seq_printf(s, "map what?\n");
ret = trace_seq_puts(s, "map what?\n");
break;
}
if (ret)

14
kernel/trace/trace_output.c
View File

@ -78,7 +78,7 @@ enum print_line_t trace_print_printk_msg_only(struct trace_iterator *iter)
trace_assign_type(field, entry);
ret = trace_seq_printf(s, "%s", field->buf);
ret = trace_seq_puts(s, field->buf);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
@ -558,14 +558,14 @@ seq_print_userip_objs(const struct userstack_entry *entry, struct trace_seq *s,
if (ret)
ret = trace_seq_puts(s, "??");
if (ret)
ret = trace_seq_puts(s, "\n");
ret = trace_seq_putc(s, '\n');
continue;
}
if (!ret)
break;
if (ret)
ret = seq_print_user_ip(s, mm, ip, sym_flags);
ret = trace_seq_puts(s, "\n");
ret = trace_seq_putc(s, '\n');
}
if (mm)
@ -579,7 +579,7 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
int ret;
if (!ip)
return trace_seq_printf(s, "0");
return trace_seq_putc(s, '0');
if (sym_flags & TRACE_ITER_SYM_OFFSET)
ret = seq_print_sym_offset(s, "%s", ip);
@ -964,14 +964,14 @@ static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags,
goto partial;
if ((flags & TRACE_ITER_PRINT_PARENT) && field->parent_ip) {
if (!trace_seq_printf(s, " <-"))
if (!trace_seq_puts(s, " <-"))
goto partial;
if (!seq_print_ip_sym(s,
field->parent_ip,
flags))
goto partial;
}
if (!trace_seq_printf(s, "\n"))
if (!trace_seq_putc(s, '\n'))
goto partial;
return TRACE_TYPE_HANDLED;
@ -1210,7 +1210,7 @@ static enum print_line_t trace_stack_print(struct trace_iterator *iter,
if (!seq_print_ip_sym(s, *p, flags))
goto partial;
if (!trace_seq_puts(s, "\n"))
if (!trace_seq_putc(s, '\n'))
goto partial;
}

2
kernel/trace/trace_syscalls.c
View File

@ -175,7 +175,7 @@ print_syscall_exit(struct trace_iterator *iter, int flags,
entry = syscall_nr_to_meta(syscall);
if (!entry) {
trace_seq_printf(s, "\n");
trace_seq_putc(s, '\n');
return TRACE_TYPE_HANDLED;
}