perf tools: Make event__preprocess_sample parse the sample

Simplifying the tools that were using both in sequence and allowing
upcoming simplifications, such as Arun's patch to sort by cpus.

Cc: David S. Miller <davem@davemloft.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 29 insertions, 4 deletions

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 891753255f54..ed3e14ff6df0 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -655,11 +655,36 @@ static void dso__calc_col_width(struct dso *self)
 }
 
 int event__preprocess_sample(const event_t *self, struct perf_session *session,
-                             struct addr_location *al, symbol_filter_t filter)
+                             struct addr_location *al, struct sample_data *data,
+                             symbol_filter_t filter)
 {
         u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
-        struct thread *thread = perf_session__findnew(session, self->ip.pid);
+        struct thread *thread;
+
+        event__parse_sample(self, session->sample_type, data);
+
+        dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld cpu:%d\n",
+                    self->header.misc, data->pid, data->tid, data->ip,
+                    data->period, data->cpu);
+
+        if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
+                unsigned int i;
+
+                dump_printf("... chain: nr:%Lu\n", data->callchain->nr);
 
+                if (!ip_callchain__valid(data->callchain, self)) {
+                        pr_debug("call-chain problem with event, "
+                                 "skipping it.\n");
+                        goto out_filtered;
+                }
+
+                if (dump_trace) {
+                        for (i = 0; i < data->callchain->nr; i++)
+                                dump_printf("..... %2d: %016Lx\n",
+                                            i, data->callchain->ips[i]);
+                }
+        }
+        thread = perf_session__findnew(session, self->ip.pid);
         if (thread == NULL)
                 return -1;
 
@@ -724,9 +749,9 @@ out_filtered:
         return 0;
 }
 
-int event__parse_sample(event_t *event, u64 type, struct sample_data *data)
+int event__parse_sample(const event_t *event, u64 type, struct sample_data *data)
 {
-        u64 *array = event->sample.array;
+        const u64 *array = event->sample.array;
 
         if (type & PERF_SAMPLE_IP) {
                 data->ip = event->ip.ip;