[PATCH 2/4] perf hist: Remove formats in hierarchy when cancel latency

From: Namhyung Kim
Date: Mon Mar 31 2025 - 03:37:57 EST


Likewise, it should remove latency output fields in hierarchy list.
Pass evlist to perf_hpp__cancel_latency() to handle them properly.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/builtin-report.c | 2 +-
tools/perf/ui/hist.c | 15 ++++++++++++++-
tools/perf/util/hist.h | 2 +-
3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index c9138e1379808097..c207aaed7ae5fc2b 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1088,7 +1088,7 @@ static int __cmd_report(struct report *rep)
/* Don't show Latency column for non-parallel profiles by default. */
if (!symbol_conf.prefer_latency && rep->total_samples &&
rep->singlethreaded_samples * 100 / rep->total_samples >= 99)
- perf_hpp__cancel_latency();
+ perf_hpp__cancel_latency(session->evlist);

evlist__check_mem_load_aux(session->evlist);

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 1d3f944ed35ed152..3ffce69fc823e0bf 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -739,9 +739,10 @@ void perf_hpp__cancel_cumulate(struct evlist *evlist)
}
}

-void perf_hpp__cancel_latency(void)
+void perf_hpp__cancel_latency(struct evlist *evlist)
{
struct perf_hpp_fmt *fmt, *lat, *acc, *tmp;
+ struct evsel *evsel;

if (is_strict_order(field_order))
return;
@@ -755,6 +756,18 @@ void perf_hpp__cancel_latency(void)
if (fmt_equal(lat, fmt) || fmt_equal(acc, fmt))
perf_hpp__column_unregister(fmt);
}
+
+ evlist__for_each_entry(evlist, evsel) {
+ struct hists *hists = evsel__hists(evsel);
+ struct perf_hpp_list_node *node;
+
+ list_for_each_entry(node, &hists->hpp_formats, list) {
+ perf_hpp_list__for_each_format_safe(&node->hpp, fmt, tmp) {
+ if (fmt_equal(lat, fmt) || fmt_equal(acc, fmt))
+ perf_hpp__column_unregister(fmt);
+ }
+ }
+ }
}

void perf_hpp__setup_output_field(struct perf_hpp_list *list)
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 8cc94928fcb35a5b..76efd8952507a561 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -582,7 +582,7 @@ enum {

void perf_hpp__init(void);
void perf_hpp__cancel_cumulate(struct evlist *evlist);
-void perf_hpp__cancel_latency(void);
+void perf_hpp__cancel_latency(struct evlist *evlist);
void perf_hpp__setup_output_field(struct perf_hpp_list *list);
void perf_hpp__reset_output_field(struct perf_hpp_list *list);
void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
--
2.49.0