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Date: Sun, 1 Jun 2014 15:31:20 +0200 From: Jiri Olsa <jolsa@...nel.org> To: Ingo Molnar <mingo@...nel.org> Cc: linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>, Frederic Weisbecker <fweisbec@...il.com>, Jiri Olsa <jolsa@...nel.org> Subject: [PATCH 09/27] perf tools: Save callchain info for each cumulative entry From: Namhyung Kim <namhyung@...nel.org> 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@...nel.org> Tested-by: Arun Sharma <asharma@...com> Tested-by: Rodrigo Campos <rodrigo@...g.com.ar> Cc: Frederic Weisbecker <fweisbec@...il.com> Link: http://lkml.kernel.org/r/1401335910-16832-10-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@...nel.org> --- tools/perf/util/hist.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index bf03db5..c6f5f52 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; } -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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