perf hists browser: Elide DSO column when it is set to just one DSO, ditto for threads
And also no leed to show the [.] (level: k, . for userspace) when
showing just one DSO.
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-4h3f6ro5o7ebepjbssxf0dd3@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 1ee8f1e..16da30d 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -177,7 +177,9 @@
BITS_PER_LONG / 4, self->ip, o);
}
- ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", self->level);
+ if (!sort_dso.elide)
+ ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", self->level);
+
if (self->ms.sym)
ret += repsep_snprintf(bf + ret, size - ret, "%s",
self->ms.sym->name);
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index 9e23bce..a06e7d9 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -1007,12 +1007,14 @@
zoom_out_dso:
ui_helpline__pop();
browser->hists->dso_filter = NULL;
+ sort_dso.elide = false;
} else {
if (dso == NULL)
continue;
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
browser->hists->dso_filter = dso;
+ sort_dso.elide = true;
pstack__push(fstack, &browser->hists->dso_filter);
}
hists__filter_by_dso(self);
@@ -1024,11 +1026,13 @@
zoom_out_thread:
ui_helpline__pop();
browser->hists->thread_filter = NULL;
+ sort_thread.elide = false;
} else {
ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
browser->hists->thread_filter = thread;
+ sort_thread.elide = true;
pstack__push(fstack, &browser->hists->thread_filter);
}
hists__filter_by_thread(self);