leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ftrace: make output nicely spaced for up to 999 cpus

Browse Source 
Currently some of the ftrace output goes skewiff if you have more
than 9 cpus, and some if you have more than 99.

Twiddle with the headers and format strings to make up to 999 cpus
display without causing spacing problems.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Michael Ellerman
2008-08-20 16:36:11 -07:00
committed by Ingo Molnar
parent 2ff01c6a17
commit a6168353d1
1 changed files with 14 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
kernel/trace/trace.c
View File

@@ -1508,7 +1508,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
comm = trace_find_cmdline(field->pid); comm = trace_find_cmdline(field->pid);
trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid); trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid);
trace_seq_printf(s, "%d", cpu); trace_seq_printf(s, "%3d", cpu);
trace_seq_printf(s, "%c%c", trace_seq_printf(s, "%c%c",
(field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', (field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); ((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
@@ -1598,7 +1598,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
if (verbose) { if (verbose) {
comm = trace_find_cmdline(field->pid); comm = trace_find_cmdline(field->pid);
trace_seq_printf(s, "%16s %5d %d %d %08x %08x [%08lx]" trace_seq_printf(s, "%16s %5d %3d %d %08x %08x [%08lx]"
" %ld.%03ldms (+%ld.%03ldms): ", " %ld.%03ldms (+%ld.%03ldms): ",
comm, comm,
field->pid, cpu, field->flags, field->pid, cpu, field->flags,
@@ -1694,7 +1694,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid); ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid);
if (!ret) if (!ret)
return 0; return 0;
ret = trace_seq_printf(s, "[%02d] ", iter->cpu); ret = trace_seq_printf(s, "[%03d] ", iter->cpu);
if (!ret) if (!ret)
return 0; return 0;
ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem); ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem);