From ed279da2fc9774b4c0dc9fd513fa89a11cae3f56 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Fri, 5 Oct 2012 16:44:45 +0200 Subject: 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 Cc: Andi Kleen Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1349448287-18919-7-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/hist.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'tools/perf/ui/hist.c') 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 -- cgit v1.1