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perf c2c report: Add help windows 

Adding help windows to display key/action mappings
for both browsers.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-zni4apopx6a9eyxsosm1ebh1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-08-17 15:54:58 +02:00 committed by Arnaldo Carvalho de Melo
parent 1a56a42534
commit 9a406eb610
1 changed files with 17 additions and 2 deletions
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19
tools/perf/builtin-c2c.c
View File

@ -2181,6 +2181,11 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
struct c2c_cacheline_browser *cl_browser;
struct hist_browser *browser;
int key = -1;
const char help[] =
" ENTER Togle callchains (if present) \n"
" n Togle Node details info \n"
" s Togle full lenght of symbol and source line columns \n"
" q Return back to cacheline list \n";
/* Display compact version first. */
c2c.symbol_full = false;
@ -2201,7 +2206,7 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
c2c_browser__update_nr_entries(browser);
while (1) {
key = hist_browser__run(browser, "help");
key = hist_browser__run(browser, "? - help");
switch (key) {
case 's':
@ -2213,6 +2218,9 @@ static int perf_c2c__browse_cacheline(struct hist_entry *he)
break;
case 'q':
goto out;
case '?':
ui_browser__help_window(&browser->b, help);
break;
default:
break;
}
@ -2251,6 +2259,10 @@ static int perf_c2c__hists_browse(struct hists *hists)
{
struct hist_browser *browser;
int key = -1;
const char help[] =
" d Display cacheline details \n"
" ENTER Togle callchains (if present) \n"
" q Quit \n";
browser = perf_c2c_browser__new(hists);
if (browser == NULL)
@ -2263,7 +2275,7 @@ static int perf_c2c__hists_browse(struct hists *hists)
c2c_browser__update_nr_entries(browser);
while (1) {
key = hist_browser__run(browser, "help");
key = hist_browser__run(browser, "? - help");
switch (key) {
case 'q':
@ -2271,6 +2283,9 @@ static int perf_c2c__hists_browse(struct hists *hists)
case 'd':
perf_c2c__browse_cacheline(browser->he_selection);
break;
case '?':
ui_browser__help_window(&browser->b, help);
break;
default:
break;
}