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perf newt: Make <- zoom out filters

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After we use the filters to zoom into DSOs or threads, we can use <-
(left arrow) to zoom out from the last filter applied.

It is still possible to zoom out of order by using the popup menu.

With this we now have the zoom out operation on the browsing fast path,
by allowing fast navigation using just the four arrors and the enter key
to expand collapse callchains.

Suggested-by: Ingo Molnar <mingo@elte.hu>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-05-14 20:05:21 -03:00
parent c82ee828aa
commit 3e1bbdc3a7
4 changed files with 120 additions and 3 deletions
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12
tools/perf/util/pstack.h Normal file
View file

@ -0,0 +1,12 @@
#ifndef _PERF_PSTACK_
#define _PERF_PSTACK_
struct pstack;
struct pstack *pstack__new(unsigned short max_nr_entries);
void pstack__delete(struct pstack *self);
bool pstack__empty(const struct pstack *self);
void pstack__remove(struct pstack *self, void *key);
void pstack__push(struct pstack *self, void *key);
void *pstack__pop(struct pstack *self);
#endif /* _PERF_PSTACK_ */