When accumulating callchain entry, also save current snapshot of the chain so that it can show the rest of the chain.
Cc: Arun Sharma <asha...@fb.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Signed-off-by: Namhyung Kim <namhy...@kernel.org> --- tools/perf/builtin-report.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 087d01cac1aa..5f07da10f83c 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -363,7 +363,6 @@ static int iter_prepare_cumulative_entry(struct hist_entry_iter *iter __maybe_unused, struct addr_location *al __maybe_unused) { - struct callchain_cursor_node *node; struct hist_entry **he_cache; callchain_cursor_commit(&callchain_cursor); @@ -380,10 +379,6 @@ iter_prepare_cumulative_entry(struct hist_entry_iter *iter __maybe_unused, iter->priv = he_cache; iter->curr = 0; - node = callchain_cursor_current(&callchain_cursor); - if (node == NULL) - return 0; - return 0; } @@ -404,6 +399,14 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter, 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); + return hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } @@ -453,7 +456,6 @@ iter_next_cumulative_entry(struct hist_entry_iter *iter, } out: - callchain_cursor_advance(&callchain_cursor); return 1; } @@ -477,6 +479,11 @@ 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. @@ -495,6 +502,8 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, he_cache[iter->curr++] = he; + callchain_append(he->callchain, &cursor, sample->period); + return hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/