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

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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-06-09 07:13:16 -03:00
parent d11007703c
commit 1d90f2e707
1 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
tools/perf/util/newt.c
View file

@ -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)
{
newtFormDestroy(self->form);
newtPopWindow();
if (use_browser > 0) {
newtFormDestroy(self->form);
newtPopWindow();
}
free(self);
}