Commit-ID: 06daaaba7c211ca6a8227b9a54dbc86dd837f034
Gitweb: http://git.kernel.org/tip/06daaaba7c211ca6a8227b9a54dbc86dd837f034
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Wed, 21 Jul 2010 17:58:25 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 27 Jul 2010 11:24:31 -0300
perf hist: Introduce routine to measure lenght of formatted entry
Will be used to figure out the window width needed in the new tree
widget.
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/hist.c | 27 +++++++++++++++++++++++++++
tools/perf/util/hist.h | 3 +++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 0bc6790..f93095f 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -850,6 +850,33 @@ print_entries:
return ret;
}
+/*
+ * See hists__fprintf to match the column widths
+ */
+unsigned int hists__sort_list_width(struct hists *self)
+{
+ struct sort_entry *se;
+ int ret = 9; /* total % */
+
+ if (symbol_conf.show_cpu_utilization) {
+ ret += 7; /* count_sys % */
+ ret += 6; /* count_us % */
+ if (perf_guest) {
+ ret += 13; /* count_guest_sys % */
+ ret += 12; /* count_guest_us % */
+ }
+ }
+
+ if (symbol_conf.show_nr_samples)
+ ret += 11;
+
+ list_for_each_entry(se, &hist_entry__sort_list, list)
+ if (!se->elide)
+ ret += 2 + hists__col_len(self, se->se_width_idx);
+
+ return ret;
+}
+
static void hists__remove_entry_filter(struct hists *self, struct hist_entry *h,
enum hist_filter filter)
{
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 92962b2..65a48db 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -141,4 +141,7 @@ int hist_entry__tui_annotate(struct hist_entry *self);
int hists__tui_browse_tree(struct rb_root *self, const char *help);
#endif
+
+unsigned int hists__sort_list_width(struct hists *self);
+
#endif /* __PERF_HIST_H */
--
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