perf annotate browser: Use -> to navigate on assembly lines

And add better explanations when the line isn't actionable, like non
assembly lines and on other instructions.
Suggested-by: default avatarIngo Molnar <mingo@elte.hu>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
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-375n844b5wra7lgq08ou153j@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e39622ce
...@@ -184,8 +184,8 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, ...@@ -184,8 +184,8 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
int key; int key;
if (ui_browser__show(&self->b, sym->name, if (ui_browser__show(&self->b, sym->name,
"<-, -> or ESC: exit, TAB/shift+TAB: " "<- or ESC: exit, TAB/shift+TAB: "
"cycle hottest lines, H: Hottest") < 0) "cycle hottest lines, H: Hottest, -> Line action") < 0)
return -1; return -1;
ui_browser__add_exit_keys(&self->b, exit_keys); ui_browser__add_exit_keys(&self->b, exit_keys);
...@@ -245,24 +245,39 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, ...@@ -245,24 +245,39 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
nd = self->curr_hot; nd = self->curr_hot;
break; break;
case NEWT_KEY_ENTER: case NEWT_KEY_ENTER:
if (self->selection != NULL) { case NEWT_KEY_RIGHT:
if (self->selection == NULL) {
ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
continue;
}
if (self->selection->offset == -1) {
ui_helpline__puts("Actions are only available for assembly lines.");
continue;
} else {
char *s = strstr(self->selection->line, "callq "); char *s = strstr(self->selection->line, "callq ");
struct annotation *notes; struct annotation *notes;
struct symbol *target; struct symbol *target;
u64 ip; u64 ip;
if (s == NULL) if (s == NULL) {
ui_helpline__puts("Actions are only available for the 'callq' instruction.");
continue; continue;
}
s = strchr(s, ' '); s = strchr(s, ' ');
if (s++ == NULL) if (s++ == NULL) {
ui_helpline__puts("Invallid callq instruction.");
continue; continue;
}
ip = strtoull(s, NULL, 16); ip = strtoull(s, NULL, 16);
ip = ms->map->map_ip(ms->map, ip); ip = ms->map->map_ip(ms->map, ip);
target = map__find_symbol(ms->map, ip, NULL); target = map__find_symbol(ms->map, ip, NULL);
if (target == NULL) if (target == NULL) {
ui_helpline__puts("The called function was not found.");
continue; continue;
}
notes = symbol__annotation(target); notes = symbol__annotation(target);
pthread_mutex_lock(&notes->lock); pthread_mutex_lock(&notes->lock);
......
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