perf trace: Update tid/pid filtering option to leverage symbol_conf
authorDavid Ahern <dsahern@gmail.com>
Fri, 25 Nov 2016 16:29:52 +0000 (09:29 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 25 Nov 2016 19:04:22 +0000 (16:04 -0300)
Leverage pid/tid filtering done by symbol_conf hooks.

Signed-off-by: David Ahern <dsahern@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lkml.kernel.org/r/1480091392-35645-1-git-send-email-dsa@cumulusnetworks.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-trace.c

index 5f45166c892d6bb4f6b4e3ae261bf0d3794378b5..206bf72b77fcb9c795486ec9fba184b9d6321b7b 100644 (file)
@@ -74,8 +74,6 @@ struct trace {
                size_t          nr;
                int             *entries;
        }                       ev_qualifier_ids;
-       struct intlist          *tid_list;
-       struct intlist          *pid_list;
        struct {
                size_t          nr;
                pid_t           *entries;
@@ -1890,18 +1888,6 @@ out_put:
        return err;
 }
 
-static bool skip_sample(struct trace *trace, struct perf_sample *sample)
-{
-       if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) ||
-           (trace->tid_list && intlist__find(trace->tid_list, sample->tid)))
-               return false;
-
-       if (trace->pid_list || trace->tid_list)
-               return true;
-
-       return false;
-}
-
 static void trace__set_base_time(struct trace *trace,
                                 struct perf_evsel *evsel,
                                 struct perf_sample *sample)
@@ -1926,11 +1912,13 @@ static int trace__process_sample(struct perf_tool *tool,
                                 struct machine *machine __maybe_unused)
 {
        struct trace *trace = container_of(tool, struct trace, tool);
+       struct thread *thread;
        int err = 0;
 
        tracepoint_handler handler = evsel->handler;
 
-       if (skip_sample(trace, sample))
+       thread = machine__findnew_thread(trace->host, sample->pid, sample->tid);
+       if (thread && thread__is_filtered(thread))
                return 0;
 
        trace__set_base_time(trace, evsel, sample);
@@ -1943,27 +1931,6 @@ static int trace__process_sample(struct perf_tool *tool,
        return err;
 }
 
-static int parse_target_str(struct trace *trace)
-{
-       if (trace->opts.target.pid) {
-               trace->pid_list = intlist__new(trace->opts.target.pid);
-               if (trace->pid_list == NULL) {
-                       pr_err("Error parsing process id string\n");
-                       return -EINVAL;
-               }
-       }
-
-       if (trace->opts.target.tid) {
-               trace->tid_list = intlist__new(trace->opts.target.tid);
-               if (trace->tid_list == NULL) {
-                       pr_err("Error parsing thread id string\n");
-                       return -EINVAL;
-               }
-       }
-
-       return 0;
-}
-
 static int trace__record(struct trace *trace, int argc, const char **argv)
 {
        unsigned int rec_argc, i, j;
@@ -2460,6 +2427,12 @@ static int trace__replay(struct trace *trace)
        if (session == NULL)
                return -1;
 
+       if (trace->opts.target.pid)
+               symbol_conf.pid_list_str = strdup(trace->opts.target.pid);
+
+       if (trace->opts.target.tid)
+               symbol_conf.tid_list_str = strdup(trace->opts.target.tid);
+
        if (symbol__init(&session->header.env) < 0)
                goto out;
 
@@ -2503,10 +2476,6 @@ static int trace__replay(struct trace *trace)
                        evsel->handler = trace__pgfault;
        }
 
-       err = parse_target_str(trace);
-       if (err != 0)
-               goto out;
-
        setup_pager();
 
        err = perf_session__process_events(session);