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| author | Markus Metzger <markus.t.metzger@intel.com> | 2009-01-19 10:29:16 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-20 13:04:16 +0100 |
| commit | 11edda06289d412d13ff7c672bd72e043f637e74 (patch) | |
| tree | a1b9f779636f3e76ce0944e3f5dcfa067c2a439f | |
| parent | x86, ftrace, hw-branch-tracer: reset trace buffer on close (diff) | |
| download | linux-11edda06289d412d13ff7c672bd72e043f637e74.tar.xz linux-11edda06289d412d13ff7c672bd72e043f637e74.zip | |
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>
| -rw-r--r-- | kernel/trace/trace_hw_branches.c | 13 |
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;; |