diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2013-12-26 17:44:10 +0900 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-01 14:35:00 +0200 |
| commit | be7f855a3eebe07f797b9e4a43bf59bab8ca3dbe (patch) | |
| tree | 9ca444fd94738d6c2307f3f0e17ada231918851c /tools/perf | |
| parent | be1f13e30862ab6b0fffaecd556856a965cefa0c (diff) | |
| download | linux-be7f855a3eebe07f797b9e4a43bf59bab8ca3dbe.tar.bz2 | |
perf tools: Save callchain info for each cumulative entry
When accumulating callchain entry, also save current snapshot of the
chain so that it can show the rest of the chain.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-10-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/hist.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index bf03db528db6..c6f5f5251aad 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -738,6 +738,14 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter, iter->he = he; he_cache[iter->curr++] = he; + callchain_append(he->callchain, &callchain_cursor, sample->period); + + /* + * We need to re-initialize the cursor since callchain_append() + * advanced the cursor to the end. + */ + callchain_cursor_commit(&callchain_cursor); + /* * The iter->he will be over-written after ->add_next_entry() * called so inc stats for the original entry now. @@ -760,8 +768,6 @@ iter_next_cumulative_entry(struct hist_entry_iter *iter, if (node == NULL) return 0; - callchain_cursor_advance(&callchain_cursor); - return fill_callchain_info(al, node, iter->hide_unresolved); } @@ -785,6 +791,11 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, .parent = iter->parent, }; int i; + struct callchain_cursor cursor; + + callchain_cursor_snapshot(&cursor, &callchain_cursor); + + callchain_cursor_advance(&callchain_cursor); /* * Check if there's duplicate entries in the callchain. @@ -804,6 +815,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, iter->he = he; he_cache[iter->curr++] = he; + callchain_append(he->callchain, &cursor, sample->period); return 0; } |