diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-02-09 11:38:43 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-02-16 14:47:55 -0200 |
| commit | 5c35d69fb60b1dc49595f5b9a2c7158283e9eaf3 (patch) | |
| tree | b41206e03fa84bcbb752a320513feb8f7b7603ad /tools/perf/util/ui/setup.c | |
| parent | perf: Optimize hrtimer events (diff) | |
| download | linux-dev-5c35d69fb60b1dc49595f5b9a2c7158283e9eaf3.tar.xz linux-dev-5c35d69fb60b1dc49595f5b9a2c7158283e9eaf3.zip | |
perf ui: Serialize screen updates
The ui operations so far were used by just one thread, but 'perf top
--tui' now has two threads updating the screen, so we need to use a
mutex to avoid garbling the screen.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/ui/setup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/ui/setup.c b/tools/perf/util/ui/setup.c index fbf1a145492f..ee46d671db59 100644 --- a/tools/perf/util/ui/setup.c +++ b/tools/perf/util/ui/setup.c @@ -6,6 +6,9 @@ #include "../debug.h" #include "browser.h" #include "helpline.h" +#include "ui.h" + +pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; static void newt_suspend(void *d __used) { |