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perf diff: Add -F option to display formula for computation

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Adding -F option to display the formula for specified computation.

This is mainly to facilitate debugging, but can be useful anyway.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1349448287-18919-7-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2012-10-05 16:44:45 +02:00 • committed by Arnaldo Carvalho de Melo
parent 61949b212e
commit ed279da2fc
5 changed files with 96 additions and 3 deletions
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2
tools/perf/ui/stdio/hist.c
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@ -342,7 +342,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
const char *sep = symbol_conf.field_sep;
const char *col_width = symbol_conf.col_width_list_str;
int idx, nr_rows = 0;
char bf[64];
char bf[96];
struct perf_hpp dummy_hpp = {
.buf = bf,
.size = sizeof(bf),