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authorMarkus Metzger <markus.t.metzger@intel.com>2009-01-19 10:29:16 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-20 13:04:16 +0100
commit11edda06289d412d13ff7c672bd72e043f637e74 (patch)
treea1b9f779636f3e76ce0944e3f5dcfa067c2a439f /kernel
parente23b8ad83430a6fdfbdbfac365f5b0312dd57f10 (diff)
x86, ftrace, hw-branch-tracer: change trace format
Change the hw-branch-tracer format to be more readable. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_hw_branches.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index 372b47ac3154..fff3545fc866 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -146,10 +146,7 @@ static void bts_trace_reset(struct trace_array *tr)
static void bts_trace_print_header(struct seq_file *m)
{
- seq_puts(m,
- "# CPU# FROM TO FUNCTION\n");
- seq_puts(m,
- "# | | | |\n");
+ seq_puts(m, "# CPU# TO <- FROM\n");
}
static enum print_line_t bts_trace_print_line(struct trace_iterator *iter)
@@ -157,15 +154,15 @@ static enum print_line_t bts_trace_print_line(struct trace_iterator *iter)
struct trace_entry *entry = iter->ent;
struct trace_seq *seq = &iter->seq;
struct hw_branch_entry *it;
+ unsigned long symflags = TRACE_ITER_SYM_OFFSET;
trace_assign_type(it, entry);
if (entry->type == TRACE_HW_BRANCHES) {
if (trace_seq_printf(seq, "%4d ", entry->cpu) &&
- trace_seq_printf(seq, "0x%016llx -> 0x%016llx ",
- it->from, it->to) &&
- (!it->from ||
- seq_print_ip_sym(seq, it->from, /* sym_flags = */ 0)) &&
+ seq_print_ip_sym(seq, it->to, symflags) &&
+ trace_seq_printf(seq, "\t <- ") &&
+ seq_print_ip_sym(seq, it->from, symflags) &&
trace_seq_printf(seq, "\n"))
return TRACE_TYPE_HANDLED;
return TRACE_TYPE_PARTIAL_LINE;;