Fix the output format of ksym tracer, make it properly aligned
Befor patch:
# tracer: ksym_tracer
#
# TASK-PID CPU# Symbol Type Function
# | | | | |
bash 1378 1 ksym_tracer_mutex W mutex_lock+0x11/0x27
bash 1378 1 ksym_filter_head W process_new_ksym_entry+0xd2/0x10c
bash 1378 1 ksym_tracer_mutex W mutex_unlock+0x12/0x1b
cat 1429 0 ksym_tracer_mutex W mutex_lock+0x11/0x27
After patch:
# tracer: ksym_tracer
#
# TASK-PID CPU# Symbol Type Function
# | | | | |
cat-1423 [000] ksym_tracer_mutex RW mutex_lock+0x11/0x27
cat-1423 [000] ksym_filter_head RW ksym_trace_filter_read+0x6e/0x10d
cat-1423 [000] ksym_tracer_mutex RW mutex_unlock+0x12/0x1b
cat-1423 [000] ksym_tracer_mutex RW mutex_lock+0x11/0x27
cat-1423 [000] ksym_filter_head RW ksym_trace_filter_read+0x6e/0x10d
cat-1423 [000] ksym_tracer_mutex RW mutex_unlock+0x12/0x1b
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
LKML-Reference: <
4A6685BB.2090809@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
static void ksym_trace_print_header(struct seq_file *m)
{
static void ksym_trace_print_header(struct seq_file *m)
{
- "# TASK-PID CPU# Symbol Type "
- "Function \n");
+ "# TASK-PID CPU# Symbol "
+ "Type Function\n");
- "# | | | | "
- "| \n");
+ "# | | | "
+ " | |\n");
}
static enum print_line_t ksym_trace_output(struct trace_iterator *iter)
}
static enum print_line_t ksym_trace_output(struct trace_iterator *iter)
trace_assign_type(field, entry);
trace_assign_type(field, entry);
- ret = trace_seq_printf(s, "%-15s %-5d %-3d %-20s ", field->cmd,
+ ret = trace_seq_printf(s, "%11s-%-5d [%03d] %-30s ", field->cmd,
entry->pid, iter->cpu, field->ksym_name);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
entry->pid, iter->cpu, field->ksym_name);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
return TRACE_TYPE_PARTIAL_LINE;
sprint_symbol(str, field->ip);
return TRACE_TYPE_PARTIAL_LINE;
sprint_symbol(str, field->ip);
- ret = trace_seq_printf(s, "%-20s\n", str);
+ ret = trace_seq_printf(s, "%s\n", str);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;