perf session: Remove superfluous callchain_cursor member

Since we have it in evsel->hists.callchain_cursor, remove it from
perf_session.

One more step in disentangling several places from requiring a
perf_session pointer.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-rxr5dj3di7ckyfmnz0naku1z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 758a287..b7ab373 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -65,7 +65,7 @@ static int perf_session__add_hist_entry(struct perf_session *session,
        struct hist_entry *he;
 
        if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
-               err = perf_session__resolve_callchain(session, al->thread,
+               err = perf_session__resolve_callchain(session, evsel, al->thread,
                                                      sample->callchain, &parent);
                if (err)
                        return err;
@@ -76,7 +76,8 @@ static int perf_session__add_hist_entry(struct perf_session *session,
                return -ENOMEM;
 
        if (symbol_conf.use_callchain) {
-               err = callchain_append(he->callchain, &session->callchain_cursor,
+               err = callchain_append(he->callchain,
+                                      &evsel->hists.callchain_cursor,
                                       sample->period);
                if (err)
                        return err;

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 2f62a29..47545e9 100644 (file)
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -384,7 +384,7 @@ static void process_event(union perf_event *event __unused,
                        printf(" ");
                else
                        printf("\n");
-               perf_session__print_ip(event, sample, session,
+               perf_session__print_ip(event, evsel, sample, session,
                                              PRINT_FIELD(SYM), PRINT_FIELD(DSO));
        }
 

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 04288ee..9b3bbb4 100644 (file)
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -777,7 +777,7 @@ static void perf_event__process_sample(const union perf_event *event,
 
                if ((sort__has_parent || symbol_conf.use_callchain) &&
                    sample->callchain) {
-                       err = perf_session__resolve_callchain(session, al.thread,
+                       err = perf_session__resolve_callchain(session, evsel, al.thread,
                                                              sample->callchain, &parent);
                        if (err)
                                return;
@@ -790,7 +790,7 @@ static void perf_event__process_sample(const union perf_event *event,
                }
 
                if (symbol_conf.use_callchain) {
-                       err = callchain_append(he->callchain, &session->callchain_cursor,
+                       err = callchain_append(he->callchain, &evsel->hists.callchain_cursor,
                                               sample->period);
                        if (err)
                                return;

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 6e7d5f5..734358b 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -216,7 +216,7 @@ static bool symbol__match_parent_regex(struct symbol *sym)
        return 0;
 }
 
-int perf_session__resolve_callchain(struct perf_session *self,
+int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
                                    struct thread *thread,
                                    struct ip_callchain *chain,
                                    struct symbol **parent)
@@ -225,7 +225,7 @@ int perf_session__resolve_callchain(struct perf_session *self,
        unsigned int i;
        int err;
 
-       callchain_cursor_reset(&self->callchain_cursor);
+       callchain_cursor_reset(&evsel->hists.callchain_cursor);
 
        for (i = 0; i < chain->nr; i++) {
                u64 ip;
@@ -261,7 +261,7 @@ int perf_session__resolve_callchain(struct perf_session *self,
                                break;
                }
 
-               err = callchain_cursor_append(&self->callchain_cursor,
+               err = callchain_cursor_append(&evsel->hists.callchain_cursor,
                                              ip, al.map, al.sym);
                if (err)
                        return err;
@@ -1254,14 +1254,14 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
        return NULL;
 }
 
-void perf_session__print_ip(union perf_event *event,
+void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel,
                            struct perf_sample *sample,
                            struct perf_session *session,
                            int print_sym, int print_dso)
 {
        struct addr_location al;
        const char *symname, *dsoname;
-       struct callchain_cursor *cursor = &session->callchain_cursor;
+       struct callchain_cursor *cursor = &evsel->hists.callchain_cursor;
        struct callchain_cursor_node *node;
 
        if (perf_event__preprocess_sample(event, session, &al, sample,
@@ -1273,7 +1273,7 @@ void perf_session__print_ip(union perf_event *event,
 
        if (symbol_conf.use_callchain && sample->callchain) {
 
-               if (perf_session__resolve_callchain(session, al.thread,
+               if (perf_session__resolve_callchain(session, evsel, al.thread,
                                                sample->callchain, NULL) != 0) {
                        if (verbose)
                                error("Failed to resolve callchain. Skipping\n");

diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 13bd5e0..d2f4303 100644 (file)
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -50,7 +50,6 @@ struct perf_session {
        int                     cwdlen;
        char                    *cwd;
        struct ordered_samples  ordered_samples;
-       struct callchain_cursor callchain_cursor;
        char                    filename[0];
 };
 
@@ -100,7 +99,7 @@ int __perf_session__process_events(struct perf_session *self,
 int perf_session__process_events(struct perf_session *self,
                                 struct perf_event_ops *event_ops);
 
-int perf_session__resolve_callchain(struct perf_session *self,
+int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
                                    struct thread *thread,
                                    struct ip_callchain *chain,
                                    struct symbol **parent);
@@ -169,7 +168,7 @@ static inline int perf_session__parse_sample(struct perf_session *session,
 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
                                            unsigned int type);
 
-void perf_session__print_ip(union perf_event *event,
+void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel,
                                 struct perf_sample *sample,
                                 struct perf_session *session,
                                 int print_sym, int print_dso);