Display delta time from the selected entry. Implemented only for the TUI browser.
Signed-off-by: Jiri Olsa <[email protected]> Cc: Corey Ashford <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Ahern <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
