perf tools: Add branch type to db export

Add the ability to export branch types through the database export
facility.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414678188-14946-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 54 insertions, 0 deletions

diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index be128b075a32..bccb83120971 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -208,6 +208,15 @@ static int db_ids_from_al(struct db_export *dbe, struct addr_location *al,
         return 0;
 }
 
+int db_export__branch_type(struct db_export *dbe, u32 branch_type,
+                           const char *name)
+{
+        if (dbe->export_branch_type)
+                return dbe->export_branch_type(dbe, branch_type, name);
+
+        return 0;
+}
+
 int db_export__sample(struct db_export *dbe, union perf_event *event,
                       struct perf_sample *sample, struct perf_evsel *evsel,
                       struct thread *thread, struct addr_location *al)
@@ -268,3 +277,42 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
 
         return 0;
 }
+
+static struct {
+        u32 branch_type;
+        const char *name;
+} branch_types[] = {
+        {0, "no branch"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "conditional jump"},
+        {PERF_IP_FLAG_BRANCH, "unconditional jump"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT,
+         "software interrupt"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT,
+         "return from interrupt"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET,
+         "system call"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET,
+         "return from system call"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "asynchronous branch"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |
+         PERF_IP_FLAG_INTERRUPT, "hardware interrupt"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "transaction abort"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
+        {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "trace end"},
+        {0, NULL}
+};
+
+int db_export__branch_types(struct db_export *dbe)
+{
+        int i, err = 0;
+
+        for (i = 0; branch_types[i].name ; i++) {
+                err = db_export__branch_type(dbe, branch_types[i].branch_type,
+                                             branch_types[i].name);
+                if (err)
+                        break;
+        }
+        return err;
+}
diff --git a/tools/perf/util/db-export.h b/tools/perf/util/db-export.h
index b3643e8e5750..e4baa45ead70 100644
--- a/tools/perf/util/db-export.h
+++ b/tools/perf/util/db-export.h
@@ -54,6 +54,8 @@ struct db_export {
                           struct machine *machine);
         int (*export_symbol)(struct db_export *dbe, struct symbol *sym,
                              struct dso *dso);
+        int (*export_branch_type)(struct db_export *dbe, u32 branch_type,
+                                  const char *name);
         int (*export_sample)(struct db_export *dbe, struct export_sample *es);
         u64 evsel_last_db_id;
         u64 machine_last_db_id;
@@ -79,8 +81,12 @@ int db_export__dso(struct db_export *dbe, struct dso *dso,
                    struct machine *machine);
 int db_export__symbol(struct db_export *dbe, struct symbol *sym,
                       struct dso *dso);
+int db_export__branch_type(struct db_export *dbe, u32 branch_type,
+                           const char *name);
 int db_export__sample(struct db_export *dbe, union perf_event *event,
                       struct perf_sample *sample, struct perf_evsel *evsel,
                       struct thread *thread, struct addr_location *al);
 
+int db_export__branch_types(struct db_export *dbe);
+
 #endif