Commit 1d90f2e7 authored Jun 09, 2010 by Arnaldo Carvalho de Melo

perf record: Don't call newt functions when not initialized



When processing events we want to give visual feedback to the user when
using the newt browser, so there are ui_progress calls in
__perf_session__process_events, but those should check if newt is being
used.

Reported-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Tested-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <20100609123530.GB9471@ghostprotocols.net>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent d1100770

tools/perf/util/newt.c

+13 −2

Original line number	Diff line number	Diff line
		@@ -43,6 +43,9 @@ struct ui_progress ui_progress__new(const char title, u64 total)

		if (self != NULL) {
		int cols;

		if (use_browser <= 0)
		return self;
		newtGetScreenSize(&cols, NULL);
		cols -= 4;
		newtCenteredWindow(cols, 1, title);
		@@ -67,14 +70,22 @@ struct ui_progress ui_progress__new(const char title, u64 total)

		void ui_progress__update(struct ui_progress *self, u64 curr)
		{
		/*
		* FIXME: We should have a per UI backend way of showing progress,
		* stdio will just show a percentage as NN%, etc.
		*/
		if (use_browser <= 0)
		return;
		newtScaleSet(self->scale, curr);
		newtRefresh();
		}

		void ui_progress__delete(struct ui_progress *self)
		{
		if (use_browser > 0) {
		newtFormDestroy(self->form);
		newtPopWindow();
		}
		free(self);
		}