Display delta time from the selected entry. Implemented
only for the TUI browser.
Signed-off-by: Jiri Olsa <jo...@redhat.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@elte.hu>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: David Ahern <dsah...@gmail.com>
---
tools/perf/ui/browsers/hists.c | 13 +++++++++++++
tools/perf/util/sort.c | 6 +++---
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 0f6d515..e26afea 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -27,6 +27,7 @@ struct hist_browser {
bool show_dso;
float min_pcnt;
u64 nr_pcnt_entries;
+ u64 time_base;
};
extern void hist_browser__init_hpp(void);
@@ -819,12 +820,24 @@ static void ui_browser__hists_init_top(struct ui_browser
*browser)
}
}
+static void init_time_base(struct hist_browser *hb)
+{
+ struct hists *hists = hb->hists;
+
+ if (hb->time_base)
+ hists->time_base = hb->time_base;
+
+ if (hists->time_base && !hb->time_base)
+ hb->time_base = hists->time_base;
+}
+
static unsigned int hist_browser__refresh(struct ui_browser *browser)
{
unsigned row = 0;
struct rb_node *nd;
struct hist_browser *hb = container_of(browser, struct hist_browser, b);
+ init_time_base(hb);
ui_browser__hists_init_top(browser);
for (nd = browser->top; nd; nd = rb_next(nd)) {
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index b219eaf..381139d 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -90,11 +90,11 @@ sort__time_cmp(struct sort_entry *se __maybe_unused,
return right->time - left->time;
}
-static u64 get_time_base(struct hist_entry *he)
+static u64 get_time_base(struct hist_entry *he, bool selected)
{
struct hists *hists = he->hists;
- if (!hists->time_base)
+ if (!hists->time_base || selected)
hists->time_base = he->time;
return hists->time_base;
@@ -106,7 +106,7 @@ static int hist_entry__time_snprintf(struct sort_entry *se
__maybe_unused,
size_t size, unsigned int width)
{
char buf[100];
- u64 time_base = get_time_base(he);
+ u64 time_base = get_time_base(he, selected);
unsigned long time_sec, time_usec;
unsigned long base_sec, base_usec;
long delta_sec, delta_usec;
--
1.8.3.1
--
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