diff options
| author | Jiri Olsa <jolsa@redhat.com> | 2012-10-05 14:44:45 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-05 17:13:36 (GMT) |
| commit | ed279da2fc9774b4c0dc9fd513fa89a11cae3f56 (patch) | |
| tree | cf7f38620d7e7ede1976b999ae613c35db959fc8 /tools/perf/ui/hist.c | |
| parent | 61949b212e7f6f8f31891236ba24033f9b7af8c3 (diff) | |
| download | linux-ed279da2fc9774b4c0dc9fd513fa89a11cae3f56.tar.xz | |
perf diff: Add -F option to display formula for computation
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>
Diffstat (limited to 'tools/perf/ui/hist.c')
| -rw-r--r-- | tools/perf/ui/hist.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index 2fadaff..305eb79 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -359,6 +359,27 @@ static int hpp__entry_displ(struct perf_hpp *hpp, return scnprintf(hpp->buf, hpp->size, fmt, buf); } +static int hpp__header_formula(struct perf_hpp *hpp) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%70s"; + + return scnprintf(hpp->buf, hpp->size, fmt, "Formula"); +} + +static int hpp__width_formula(struct perf_hpp *hpp __maybe_unused) +{ + return 70; +} + +static int hpp__entry_formula(struct perf_hpp *hpp, struct hist_entry *he) +{ + const char *fmt = symbol_conf.field_sep ? "%s" : "%-70s"; + char buf[96] = " "; + + perf_diff__formula(buf, sizeof(buf), he); + return scnprintf(hpp->buf, hpp->size, fmt, buf); +} + #define HPP__COLOR_PRINT_FNS(_name) \ .header = hpp__header_ ## _name, \ .width = hpp__width_ ## _name, \ @@ -383,7 +404,8 @@ struct perf_hpp_fmt perf_hpp__format[] = { { .cond = false, HPP__PRINT_FNS(delta) }, { .cond = false, HPP__PRINT_FNS(ratio) }, { .cond = false, HPP__PRINT_FNS(wdiff) }, - { .cond = false, HPP__PRINT_FNS(displ) } + { .cond = false, HPP__PRINT_FNS(displ) }, + { .cond = false, HPP__PRINT_FNS(formula) } }; #undef HPP__COLOR_PRINT_FNS |