On Tue, Mar 31, 2015 at 09:59:20AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Mar 30, 2015 at 08:45:33PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Mar 30, 2015 at 04:51:34PM -0600, David Ahern escreveu:
> > > tool was moved to ordered_events and is not initialized for pipe mode. I
> > > don't have time to look into it more than that before PTO on Wednesday.
>  
> > I guess this one is enough, no? Checking with your example...
> 
> So the following is better, can you give it a try, please?
> 
> - Arnaldo
> 
> 
> From fbd7d154f01c47db71a3d8b0546911872aa1de54 Mon Sep 17 00:00:00 2001
> From: Arnaldo Carvalho de Melo <a...@redhat.com>
> Date: Tue, 31 Mar 2015 09:53:50 -0300
> Subject: [PATCH 1/1] perf session: Always initialize ordered_events
> 
> Even when it is not used to actually reorder events, some of its fields
> are used, like session->ordered_events->tool, to shorten function

hum, when did this happen? I somehow missed those changes.. :-\

I think we should have ordered_events struct free of perf_tool,
machines and perf_evlist structs

why dont we store it into perf_session? like in attached patch

plus I think the deliver function could take all the info from
session, because it's all already there...

---
static int ordered_events__deliver_event(struct ordered_events *oe,
                                         struct ordered_event *event,
                                         struct perf_sample *sample)
{
        struct perf_session *session = container_of(oe, struct perf_session,
                                                    ordered_events);

        return machines__deliver_event(&session->machines,
                                       session->evlist, event->event,
                                       sample,
                                       session->tool,
                                       event->file_offset);
}
---

jirka


---
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index 6002fa3fcf77..1c464eff4d62 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -293,7 +293,7 @@ int ordered_events__flush(struct ordered_events *oe, enum 
oe_flush how)
 }
 
 void ordered_events__init(struct ordered_events *oe, struct machines *machines,
-                         struct perf_evlist *evlist, struct perf_tool *tool,
+                         struct perf_evlist *evlist,
                          ordered_events__deliver_t deliver)
 {
        INIT_LIST_HEAD(&oe->events);
@@ -303,7 +303,6 @@ void ordered_events__init(struct ordered_events *oe, struct 
machines *machines,
        oe->cur_alloc_size = 0;
        oe->evlist         = evlist;
        oe->machines       = machines;
-       oe->tool           = tool;
        oe->deliver        = deliver;
 }
 
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
index 173e13f28c08..b5008b07b5cc 100644
--- a/tools/perf/util/ordered-events.h
+++ b/tools/perf/util/ordered-events.h
@@ -41,7 +41,6 @@ struct ordered_events {
        struct ordered_event    *last;
        struct machines         *machines;
        struct perf_evlist      *evlist;
-       struct perf_tool        *tool;
        ordered_events__deliver_t deliver;
        int                     buffer_idx;
        unsigned int            nr_events;
@@ -54,7 +53,7 @@ int ordered_events__queue(struct ordered_events *oe, union 
perf_event *event,
 void ordered_events__delete(struct ordered_events *oe, struct ordered_event 
*event);
 int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
 void ordered_events__init(struct ordered_events *oe, struct machines *machines,
-                         struct perf_evlist *evlsit, struct perf_tool *tool,
+                         struct perf_evlist *evlsit,
                          ordered_events__deliver_t deliver);
 void ordered_events__free(struct ordered_events *oe);
 
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index adf0740c563b..04795d8f83a1 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -96,8 +96,11 @@ static int ordered_events__deliver_event(struct 
ordered_events *oe,
                                         struct ordered_event *event,
                                         struct perf_sample *sample)
 {
+       struct perf_session *session = container_of(oe, struct perf_session,
+                                                   ordered_events);
+
        return machines__deliver_event(oe->machines, oe->evlist, event->event,
-                                      sample, oe->tool, event->file_offset);
+                                      sample, session->tool, 
event->file_offset);
 }
 
 struct perf_session *perf_session__new(struct perf_data_file *file,
@@ -109,6 +112,7 @@ struct perf_session *perf_session__new(struct 
perf_data_file *file,
                goto out;
 
        session->repipe = repipe;
+       session->tool   = tool;
        machines__init(&session->machines);
 
        if (file) {
@@ -141,7 +145,7 @@ struct perf_session *perf_session__new(struct 
perf_data_file *file,
                tool->ordered_events = false;
        } else {
                ordered_events__init(&session->ordered_events, 
&session->machines,
-                                    session->evlist, tool, 
ordered_events__deliver_event);
+                                    session->evlist, 
ordered_events__deliver_event);
        }
 
        return session;
@@ -941,7 +945,7 @@ static s64 perf_session__process_user_event(struct 
perf_session *session,
                                            u64 file_offset)
 {
        struct ordered_events *oe = &session->ordered_events;
-       struct perf_tool *tool = oe->tool;
+       struct perf_tool *tool = session->tool;
        int fd = perf_data_file__fd(session->file);
        int err;
 
@@ -982,7 +986,7 @@ int perf_session__deliver_synth_event(struct perf_session 
*session,
                                      struct perf_sample *sample)
 {
        struct perf_evlist *evlist = session->evlist;
-       struct perf_tool *tool = session->ordered_events.tool;
+       struct perf_tool *tool = session->tool;
 
        events_stats__inc(&evlist->stats, event->header.type);
 
@@ -1060,7 +1064,7 @@ static s64 perf_session__process_event(struct 
perf_session *session,
                                       union perf_event *event, u64 file_offset)
 {
        struct perf_evlist *evlist = session->evlist;
-       struct perf_tool *tool = session->ordered_events.tool;
+       struct perf_tool *tool = session->tool;
        struct perf_sample sample;
        int ret;
 
@@ -1165,7 +1169,7 @@ volatile int session_done;
 static int __perf_session__process_pipe_events(struct perf_session *session)
 {
        struct ordered_events *oe = &session->ordered_events;
-       struct perf_tool *tool = oe->tool;
+       struct perf_tool *tool = session->tool;
        int fd = perf_data_file__fd(session->file);
        union perf_event *event;
        uint32_t size, cur_size = 0;
@@ -1298,7 +1302,7 @@ static int __perf_session__process_events(struct 
perf_session *session,
                                          u64 file_size)
 {
        struct ordered_events *oe = &session->ordered_events;
-       struct perf_tool *tool = oe->tool;
+       struct perf_tool *tool = session->tool;
        int fd = perf_data_file__fd(session->file);
        u64 head, page_offset, file_offset, file_pos, size;
        int err, mmap_prot, mmap_flags, map_idx = 0;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 1310998f8318..d5fa7b7916ef 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -26,6 +26,7 @@ struct perf_session {
        u64                     one_mmap_offset;
        struct ordered_events   ordered_events;
        struct perf_data_file   *file;
+       struct perf_tool        *tool;
 };
 
 #define PRINT_IP_OPT_IP                (1<<0)
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