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perf annotate: Fix annotate context lines regression

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The live annotation done in 'perf top' needs to limit the context before
lines that aren't filtered out by the min percent filter, if we don't do
that, the screen in a tty often is not enough for showing what is
interesting: lines with hits and a few source code lines before it.

Reported-by: Mike Galbraith <efault@gmx.de>
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>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-02-08 15:29:25 -02:00
parent ce6f4fab40
commit d5e3d74700
3 changed files with 43 additions and 9 deletions
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3
tools/perf/util/annotate.h
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@ -78,7 +78,8 @@ void symbol__annotate_zero_histograms(struct symbol *sym);
int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
int symbol__annotate_init(struct map *map __used, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
bool full_paths, int min_pcnt, int max_lines);
bool full_paths, int min_pcnt, int max_lines,
int context);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
void objdump_line_list__purge(struct list_head *head);