From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
James Clark <james.clark@linaro.org>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 07/12] perf annotate-data: Show the sample count in the data-type browser
Date: Wed, 16 Sep 2026 08:47:34 -0300 [thread overview]
Message-ID: <20260916114740.48230-8-acme@kernel.org> (raw)
In-Reply-To: <20260916114740.48230-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
The data-type browser has a samples view, selected with -n (or with
annotate.show_nr_samples), in which browser__write_overhead() prints a
local nr_samples variable that is initialized to zero and never
updated, so every member is listed as having no samples while the
period and percent columns for the same entry are filled in.
Print the histogram entry's own count instead.
This predates the load/store counter split, so fix it ahead of that
patch: the split then only has to adapt a line that is already correct,
and this fix can be picked on its own.
Fixes: d001c7a7f4736743 ("perf annotate-data: Add hist_entry__annotate_data_tui()")
Assisted-by: LLM
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/browsers/annotate-data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/ui/browsers/annotate-data.c b/tools/perf/ui/browsers/annotate-data.c
index c6e07a9b64089ab5..a15608f6ee53335f 100644
--- a/tools/perf/ui/browsers/annotate-data.c
+++ b/tools/perf/ui/browsers/annotate-data.c
@@ -374,7 +374,7 @@ static void browser__write_overhead(struct ui_browser *uib,
u64 period = hist->period;
double percent = total->period ? (100.0 * period / total->period) : 0;
bool current = ui_browser__is_current_entry(uib, row);
- int nr_samples = 0;
+ int nr_samples = hist->nr_samples;
ui_browser__set_percent_color(uib, percent, current);
--
2.55.0
next prev parent reply other threads:[~2026-09-16 11:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-16 11:47 [PATCH v6 0/12] perf tools: Annotate fixes, stdio progress indication, debuginfo-client in more places Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 01/12] perf test: Skip data_type_profiling when the PMU cannot record memory events Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 02/12] perf debuginfo: Fetch debuginfo keyed by build ID using debuginfod Arnaldo Carvalho de Melo
2026-09-16 17:59 ` Ian Rogers
2026-09-16 19:02 ` Arnaldo Carvalho de Melo
2026-09-16 21:28 ` Ian Rogers
2026-09-16 18:42 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 03/12] perf config: Move perf_config__set_variable() to util/config.c Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 04/12] perf debuginfo: Let the user skip and disable debuginfod fetches Arnaldo Carvalho de Melo
2026-09-16 18:53 ` Namhyung Kim
2026-09-16 21:27 ` Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 05/12] perf debuginfo: Show the debuginfod fetch progress and keys in the TUI Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 06/12] perf symbol: Fall back to fetching the vmlinux by build ID Arnaldo Carvalho de Melo
2026-09-16 11:47 ` Arnaldo Carvalho de Melo [this message]
2026-09-16 21:28 ` [PATCH 07/12] perf annotate-data: Show the sample count in the data-type browser Namhyung Kim
2026-09-16 11:47 ` [PATCH 08/12] perf report: Add --progress option Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 09/12] perf scripts: Add perf-stuck, to tell where a running perf is stuck Arnaldo Carvalho de Melo
2026-09-16 11:47 ` [PATCH 10/12] perf annotate-data: Resolve type DIEs in the debug file they came from Arnaldo Carvalho de Melo
2026-09-16 21:44 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 11/12] perf mem record: Request PERF_SAMPLE_CPU by default Arnaldo Carvalho de Melo
2026-09-16 21:50 ` Namhyung Kim
2026-09-16 11:47 ` [PATCH 12/12] perf mem record: Use the IBS swfilt filter when available Arnaldo Carvalho de Melo
2026-09-16 21:59 ` Namhyung Kim
2026-09-16 22:27 ` [PATCH v6 0/12] perf tools: Annotate fixes, stdio progress indication, debuginfo-client in more places Namhyung Kim
2026-09-16 18:32 Arnaldo Carvalho de Melo
2026-09-16 18:32 ` [PATCH 07/12] perf annotate-data: Show the sample count in the data-type browser Arnaldo Carvalho de Melo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260916114740.48230-8-acme@kernel.org \
--to=acme@kernel.org \
--cc=acme@redhat.com \
--cc=adrian.hunter@intel.com \
--cc=irogers@google.com \
--cc=james.clark@linaro.org \
--cc=jolsa@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=namhyung@kernel.org \
--cc=tglx@linutronix.de \
--cc=williams@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®