perf annotate: Support multiple histograms in annotation
The perf annotate tool continues aggregating everything on just one
histograms, but to support the top model add support for one histogram
perf evsel in the evlist.
Cc: Frederic 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>
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 91e4cdb..de06bf5 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -118,8 +118,17 @@
* so we don't allocated the extra space needed because the stdio
* code will not use it.
*/
- if (use_browser > 0)
- err = hist_entry__inc_addr_samples(he, al->addr);
+ if (al->sym != NULL && use_browser > 0) {
+ /*
+ * All aggregated on the first sym_hist.
+ */
+ struct annotation *notes = symbol__annotation(he->ms.sym);
+ if (notes->histograms == NULL &&
+ symbol__alloc_hist(he->ms.sym, 1) < 0)
+ err = -ENOMEM;
+ else
+ err = hist_entry__inc_addr_samples(he, 0, al->addr);
+ }
return err;
}
@@ -349,7 +358,7 @@
}
if (use_browser > 0)
- hists__tui_browse_tree(&session->hists_tree, help);
+ hists__tui_browse_tree(&session->hists_tree, help, 0);
else
hists__tty_browse_tree(&session->hists_tree, help);
