diff options
Diffstat (limited to 'Documentation/perf_counter/builtin-top.c')
| -rw-r--r-- | Documentation/perf_counter/builtin-top.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c index 548a8da4b15b..20e5b1200959 100644 --- a/Documentation/perf_counter/builtin-top.c +++ b/Documentation/perf_counter/builtin-top.c @@ -21,6 +21,7 @@ #include "perf.h" #include "util/symbol.h" +#include "util/color.h" #include "util/util.h" #include "util/rbtree.h" #include "util/parse-options.h" @@ -253,7 +254,8 @@ static void print_sym_table(void) for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node); struct symbol *sym = (struct symbol *)(syme + 1); - float pcnt; + char *color = PERF_COLOR_NORMAL; + double pcnt; if (++printed > print_entries || syme->snap_count < count_filter) continue; @@ -261,13 +263,22 @@ static void print_sym_table(void) pcnt = 100.0 - (100.0 * ((sum_kevents - syme->snap_count) / sum_kevents)); + /* + * We color high-overhead entries in red, low-overhead + * entries in green - and keep the middle ground normal: + */ + if (pcnt >= 5.0) + color = PERF_COLOR_RED; + if (pcnt < 0.5) + color = PERF_COLOR_GREEN; + if (nr_counters == 1) - printf("%19.2f - %4.1f%% - %016llx : %s\n", - syme->weight, pcnt, sym->start, sym->name); + printf("%19.2f - ", syme->weight); else - printf("%8.1f %10ld - %4.1f%% - %016llx : %s\n", - syme->weight, syme->snap_count, - pcnt, sym->start, sym->name); + printf("%8.1f %10ld - ", syme->weight, syme->snap_count); + + color_fprintf(stdout, color, "%4.1f%%", pcnt); + printf(" - %016llx : %s\n", sym->start, sym->name); } { |