diff options
author | Jiri Olsa <jolsa@kernel.org> | 2014-06-14 15:44:52 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-07-07 12:36:55 -0300 |
commit | 81a888fea2cfd727052926e95510c11981d9b1c2 (patch) | |
tree | 6444b98ad4bed8b7f6d136c70e5b8bc72adf1a3e /tools/perf | |
parent | 025bf7ea0aca26df4a4b28f0b12afe1aaf91e4bd (diff) |
perf hists browser: Display columns header text on 'H' press
Displaying columns header text whenever 'H' is pressed,
and hiding it on on another press.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-w9pcqpum5erza2a05ysvollz@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/ui/browsers/hists.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 2be71bf17b71..5fa2e181ef0c 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -822,11 +822,54 @@ static int hist_browser__show_entry(struct hist_browser *browser, return printed; } +static int advance_hpp_check(struct perf_hpp *hpp, int inc) +{ + advance_hpp(hpp, inc); + return hpp->size <= 0; +} + +static int hists__scnprintf_headers(char *buf, size_t size, struct hists *hists) +{ + struct perf_hpp dummy_hpp = { + .buf = buf, + .size = size, + }; + struct perf_hpp_fmt *fmt; + size_t ret = 0; + + if (symbol_conf.use_callchain) { + ret = scnprintf(buf, size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + } + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + /* We need to add the length of the columns header. */ + perf_hpp__reset_width(fmt, hists); + + ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + + return ret; +} + static void hist_browser__show_headers(struct hist_browser *browser) { + char headers[1024]; + + hists__scnprintf_headers(headers, sizeof(headers), browser->hists); ui_browser__gotorc(&browser->b, 0, 0); ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); - slsmg_write_nstring(" ", browser->b.width + 1); + slsmg_write_nstring(headers, browser->b.width + 1); } static void ui_browser__hists_init_top(struct ui_browser *browser) @@ -1241,7 +1284,7 @@ static struct hist_browser *hist_browser__new(struct hists *hists) browser->b.refresh_dimensions = hist_browser__refresh_dimensions; browser->b.seek = ui_browser__hists_seek; browser->b.use_navkeypressed = true; - browser->show_headers = false; + browser->show_headers = true; } return browser; |