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perf hists: Allow limiting the number of rows and columns in fprintf

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So that we can reuse hists__fprintf for in the new perf top tool.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-huazw48x05h8r9niz5cf63za@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-09-26 12:46:11 -03:00
parent 42b28ac071
commit ef9dfe6ec3
4 changed files with 33 additions and 11 deletions
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7
tools/perf/util/hist.h
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@ -57,9 +57,9 @@ struct hist_entry *__hists__add_entry(struct hists *self,
struct symbol *parent, u64 period);
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
int hist_entry__fprintf(struct hist_entry *self, struct hists *hists,
int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
struct hists *pair_hists, bool show_displacement,
long displacement, FILE *fp, u64 total);
long displacement, FILE *fp, u64 session_total);
int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size,
struct hists *hists, struct hists *pair_hists,
bool show_displacement, long displacement,
@ -73,7 +73,8 @@ void hists__inc_nr_events(struct hists *self, u32 type);
size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
size_t hists__fprintf(struct hists *self, struct hists *pair,
bool show_displacement, FILE *fp);
bool show_displacement, bool show_header,
int max_rows, int max_cols, FILE *fp);
int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr);
int hist_entry__annotate(struct hist_entry *self, size_t privsize);