From: Jiri Olsa <jolsa@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Namhyung Kim <namhyung@kernel.org>,
Arun Sharma <asharma@fb.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Jiri Olsa <jolsa@kernel.org>
Subject: [PATCH 23/27] perf ui/stdio: Fix invalid percentage value of cumulated hist entries
Date: Sun, 1 Jun 2014 15:31:34 +0200 [thread overview]
Message-ID: <1401629498-8726-24-git-send-email-jolsa@kernel.org> (raw)
In-Reply-To: <1401629498-8726-1-git-send-email-jolsa@kernel.org>
From: Namhyung Kim <namhyung@kernel.org>
On stdio, there's a problem that it shows invalid values for
callchains in cumulated hist entries. It's because it only cares
about the self period. But with --children behavior, we always add
callchain info to the cumulated entries so it should use the value in
that case.
Before:
# Children Self Command Shared Object Symbol
# ........ ........ ....... ................. ................
#
61.22% 0.32% swapper [kernel.kallsyms] [k] cpu_idle
|
--- cpu_idle
|
|--16530.76%-- start_secondary
|
|--2758.70%-- rest_init
| start_kernel
| x86_64_start_reservations
| x86_64_start_kernel
--6837850969203030.00%-- [...]
After:
# Children Self Command Shared Object Symbol
# ........ ........ ....... ................. ................
#
61.22% 0.32% swapper [kernel.kallsyms] [k] cpu_idle
|
--- cpu_idle
|
|--85.70%-- start_secondary
|
--14.30%-- rest_init
start_kernel
x86_64_start_reservations
x86_64_start_kernel
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-24-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/ui/stdio/hist.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 475d2f5..90122ab 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -271,7 +271,9 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
{
switch (callchain_param.mode) {
case CHAIN_GRAPH_REL:
- return callchain__fprintf_graph(fp, &he->sorted_chain, he->stat.period,
+ return callchain__fprintf_graph(fp, &he->sorted_chain,
+ symbol_conf.cumulate_callchain ?
+ he->stat_acc->period : he->stat.period,
left_margin);
break;
case CHAIN_GRAPH_ABS:
--
1.8.3.1
next prev parent reply other threads:[~2014-06-01 13:32 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-01 13:31 [GIT PULL 00/27] perf/core improvements and fixes Jiri Olsa
2014-06-01 13:31 ` [PATCH 01/27] perf tools: Introduce hists__inc_nr_samples() Jiri Olsa
2014-06-01 13:31 ` [PATCH 02/27] perf tools: Introduce struct hist_entry_iter Jiri Olsa
2014-06-01 13:31 ` [PATCH 03/27] perf hists: Add support for accumulated stat of hist entry Jiri Olsa
2014-06-01 13:31 ` [PATCH 04/27] perf hists: Check if accumulated when adding a " Jiri Olsa
2014-06-01 13:31 ` [PATCH 05/27] perf hists: Accumulate hist entry stat based on the callchain Jiri Olsa
2014-06-01 13:31 ` [PATCH 06/27] perf tools: Update cpumode for each cumulative entry Jiri Olsa
2014-06-01 13:31 ` [PATCH 07/27] perf report: Cache cumulative callchains Jiri Olsa
2014-06-01 13:31 ` [PATCH 08/27] perf callchain: Add callchain_cursor_snapshot() Jiri Olsa
2014-06-01 13:31 ` [PATCH 09/27] perf tools: Save callchain info for each cumulative entry Jiri Olsa
2014-06-01 13:31 ` [PATCH 10/27] perf ui/hist: Add support to accumulated hist stat Jiri Olsa
2014-06-01 13:31 ` [PATCH 11/27] perf ui/browser: " Jiri Olsa
2014-06-01 13:31 ` [PATCH 12/27] perf ui/gtk: " Jiri Olsa
2014-06-01 13:31 ` [PATCH 13/27] perf tools: Apply percent-limit to cumulative percentage Jiri Olsa
2014-06-01 13:31 ` [PATCH 14/27] perf tools: Add more hpp helper functions Jiri Olsa
2014-06-01 13:31 ` [PATCH 15/27] perf report: Add --children option Jiri Olsa
2014-06-01 13:31 ` [PATCH 16/27] perf report: Add report.children config option Jiri Olsa
2014-06-01 13:31 ` [PATCH 17/27] perf tools: Do not auto-remove Children column if --fields given Jiri Olsa
2014-06-01 13:31 ` [PATCH 18/27] perf tools: Add callback function to hist_entry_iter Jiri Olsa
2014-06-01 13:31 ` [PATCH 19/27] perf top: Convert " Jiri Olsa
2014-06-01 13:31 ` [PATCH 20/27] perf top: Add --children option Jiri Olsa
2014-06-01 13:31 ` [PATCH 21/27] perf top: Add top.children config option Jiri Olsa
2014-06-01 13:31 ` [PATCH 22/27] perf tools: Enable --children option by default Jiri Olsa
2014-06-01 13:31 ` Jiri Olsa [this message]
2014-06-01 13:31 ` [PATCH 24/27] perf ui/gtk: Fix callchain display Jiri Olsa
2014-06-01 13:31 ` [PATCH 25/27] perf tools: Reset output/sort order to default Jiri Olsa
2014-06-01 13:31 ` [PATCH 26/27] perf tests: Define and use symbolic names for fake symbols Jiri Olsa
2014-06-01 13:31 ` [PATCH 27/27] perf tests: Add a test case for cumulating callchains Jiri Olsa
2014-06-03 18:23 ` [GIT PULL 00/27] perf/core improvements and fixes Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2014-05-29 3:58 [PATCHSET 00/27] perf tools: Add support to accumulate hist periods (v11) Namhyung Kim
2014-05-29 3:58 ` [PATCH 23/27] perf ui/stdio: Fix invalid percentage value of cumulated hist entries Namhyung Kim
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