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perf annotate browser: Handle retq instructions

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By just returning to the previous function being annotated or to the top
main screen when popping out the base of the annotation stack.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-x1dlc4d5aukj72g45o15s75k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-04-20 15:57:15 -03:00
parent 4ea08b5220
commit c4cceae3ba
1 changed files with 9 additions and 4 deletions
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13
tools/perf/ui/browsers/annotate.c
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@ -599,10 +599,15 @@ show_help:
ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
else if (self->selection->offset == -1)
ui_helpline__puts("Actions are only available for assembly lines.");
else if (!self->selection->ins ||
!(annotate_browser__jump(self) ||
annotate_browser__callq(self, evidx, timer, arg, delay_secs)))
ui_helpline__puts("Actions are only available for the 'callq' and jump instructions.");
else if (!self->selection->ins) {
if (strcmp(self->selection->name, "retq"))
goto show_sup_ins;
goto out;
} else if (!(annotate_browser__jump(self) ||
annotate_browser__callq(self, evidx, timer, arg, delay_secs))) {
show_sup_ins:
ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions.");
}
continue;
case K_LEFT:
case K_ESC: